F: drivers/net/hyperv/
F: drivers/staging/hv/
+I2C OVER PARALLEL PORT
+M: Jean Delvare <khali@linux-fr.org>
+L: linux-i2c@vger.kernel.org
+S: Maintained
+F: Documentation/i2c/busses/i2c-parport
+F: Documentation/i2c/busses/i2c-parport-light
+F: drivers/i2c/busses/i2c-parport.c
+F: drivers/i2c/busses/i2c-parport-light.c
+
+I2C/SMBUS CONTROLLER DRIVERS FOR PC
+M: Jean Delvare <khali@linux-fr.org>
+L: linux-i2c@vger.kernel.org
+S: Maintained
+F: Documentation/i2c/busses/i2c-ali1535
+F: Documentation/i2c/busses/i2c-ali1563
+F: Documentation/i2c/busses/i2c-ali15x3
+F: Documentation/i2c/busses/i2c-amd756
+F: Documentation/i2c/busses/i2c-amd8111
+F: Documentation/i2c/busses/i2c-i801
+F: Documentation/i2c/busses/i2c-nforce2
+F: Documentation/i2c/busses/i2c-piix4
+F: Documentation/i2c/busses/i2c-sis5595
+F: Documentation/i2c/busses/i2c-sis630
+F: Documentation/i2c/busses/i2c-sis96x
+F: Documentation/i2c/busses/i2c-via
+F: Documentation/i2c/busses/i2c-viapro
+F: drivers/i2c/busses/i2c-ali1535.c
+F: drivers/i2c/busses/i2c-ali1563.c
+F: drivers/i2c/busses/i2c-ali15x3.c
+F: drivers/i2c/busses/i2c-amd756.c
+F: drivers/i2c/busses/i2c-amd756-s4882.c
+F: drivers/i2c/busses/i2c-amd8111.c
+F: drivers/i2c/busses/i2c-i801.c
+F: drivers/i2c/busses/i2c-isch.c
+F: drivers/i2c/busses/i2c-nforce2.c
+F: drivers/i2c/busses/i2c-nforce2-s4985.c
+F: drivers/i2c/busses/i2c-piix4.c
+F: drivers/i2c/busses/i2c-sis5595.c
+F: drivers/i2c/busses/i2c-sis630.c
+F: drivers/i2c/busses/i2c-sis96x.c
+F: drivers/i2c/busses/i2c-via.c
+F: drivers/i2c/busses/i2c-viapro.c
+
I2C/SMBUS STUB DRIVER
M: "Mark M. Hoffman" <mhoffman@lightlink.com>
L: linux-i2c@vger.kernel.org
F: drivers/i2c/busses/i2c-stub.c
I2C SUBSYSTEM
-M: "Jean Delvare (PC drivers, core)" <khali@linux-fr.org>
+M: Wolfram Sang <w.sang@pengutronix.de>
M: "Ben Dooks (embedded platforms)" <ben-linux@fluff.org>
-M: "Wolfram Sang (embedded platforms)" <w.sang@pengutronix.de>
L: linux-i2c@vger.kernel.org
W: http://i2c.wiki.kernel.org/
T: quilt kernel.org/pub/linux/kernel/people/jdelvare/linux-2.6/jdelvare-i2c/
F: include/linux/i2c.h
F: include/linux/i2c-*.h
+I2C-TAOS-EVM DRIVER
+M: Jean Delvare <khali@linux-fr.org>
+L: linux-i2c@vger.kernel.org
+S: Maintained
+F: Documentation/i2c/busses/i2c-taos-evm
+F: drivers/i2c/busses/i2c-taos-evm.c
+
I2C-TINY-USB DRIVER
M: Till Harbaum <till@harbaum.org>
L: linux-i2c@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/via/via-rhine.c
-VIAPRO SMBUS DRIVER
-M: Jean Delvare <khali@linux-fr.org>
-L: linux-i2c@vger.kernel.org
-S: Maintained
-F: Documentation/i2c/busses/i2c-viapro
-F: drivers/i2c/busses/i2c-viapro.c
-
VIA SD/MMC CARD CONTROLLER DRIVER
M: Bruce Chang <brucechang@via.com.tw>
M: Harald Welte <HaraldWelte@viatech.com>
* measurement, and debugging facilities.
*/
+#include <linux/irqflags.h>
#include <asm/octeon/cvmx.h>
#include <asm/octeon/cvmx-l2c.h>
#include <asm/octeon/cvmx-spinlock.h>
#endif
#include <linux/compiler.h>
-#include <linux/irqflags.h>
#include <linux/types.h>
#include <asm/barrier.h>
#include <asm/byteorder.h> /* sigh ... */
#define smp_mb__before_clear_bit() smp_mb__before_llsc()
#define smp_mb__after_clear_bit() smp_llsc_mb()
+
+/*
+ * These are the "slower" versions of the functions and are in bitops.c.
+ * These functions call raw_local_irq_{save,restore}().
+ */
+void __mips_set_bit(unsigned long nr, volatile unsigned long *addr);
+void __mips_clear_bit(unsigned long nr, volatile unsigned long *addr);
+void __mips_change_bit(unsigned long nr, volatile unsigned long *addr);
+int __mips_test_and_set_bit(unsigned long nr,
+ volatile unsigned long *addr);
+int __mips_test_and_set_bit_lock(unsigned long nr,
+ volatile unsigned long *addr);
+int __mips_test_and_clear_bit(unsigned long nr,
+ volatile unsigned long *addr);
+int __mips_test_and_change_bit(unsigned long nr,
+ volatile unsigned long *addr);
+
+
/*
* set_bit - Atomically set a bit in memory
* @nr: the bit to set
static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG);
- unsigned short bit = nr & SZLONG_MASK;
+ int bit = nr & SZLONG_MASK;
unsigned long temp;
if (kernel_uses_llsc && R10000_LLSC_WAR) {
: "=&r" (temp), "+m" (*m)
: "ir" (1UL << bit));
} while (unlikely(!temp));
- } else {
- volatile unsigned long *a = addr;
- unsigned long mask;
- unsigned long flags;
-
- a += nr >> SZLONG_LOG;
- mask = 1UL << bit;
- raw_local_irq_save(flags);
- *a |= mask;
- raw_local_irq_restore(flags);
- }
+ } else
+ __mips_set_bit(nr, addr);
}
/*
static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG);
- unsigned short bit = nr & SZLONG_MASK;
+ int bit = nr & SZLONG_MASK;
unsigned long temp;
if (kernel_uses_llsc && R10000_LLSC_WAR) {
: "=&r" (temp), "+m" (*m)
: "ir" (~(1UL << bit)));
} while (unlikely(!temp));
- } else {
- volatile unsigned long *a = addr;
- unsigned long mask;
- unsigned long flags;
-
- a += nr >> SZLONG_LOG;
- mask = 1UL << bit;
- raw_local_irq_save(flags);
- *a &= ~mask;
- raw_local_irq_restore(flags);
- }
+ } else
+ __mips_clear_bit(nr, addr);
}
/*
*/
static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
{
- unsigned short bit = nr & SZLONG_MASK;
+ int bit = nr & SZLONG_MASK;
if (kernel_uses_llsc && R10000_LLSC_WAR) {
unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG);
: "=&r" (temp), "+m" (*m)
: "ir" (1UL << bit));
} while (unlikely(!temp));
- } else {
- volatile unsigned long *a = addr;
- unsigned long mask;
- unsigned long flags;
-
- a += nr >> SZLONG_LOG;
- mask = 1UL << bit;
- raw_local_irq_save(flags);
- *a ^= mask;
- raw_local_irq_restore(flags);
- }
+ } else
+ __mips_change_bit(nr, addr);
}
/*
static inline int test_and_set_bit(unsigned long nr,
volatile unsigned long *addr)
{
- unsigned short bit = nr & SZLONG_MASK;
+ int bit = nr & SZLONG_MASK;
unsigned long res;
smp_mb__before_llsc();
} while (unlikely(!res));
res = temp & (1UL << bit);
- } else {
- volatile unsigned long *a = addr;
- unsigned long mask;
- unsigned long flags;
-
- a += nr >> SZLONG_LOG;
- mask = 1UL << bit;
- raw_local_irq_save(flags);
- res = (mask & *a);
- *a |= mask;
- raw_local_irq_restore(flags);
- }
+ } else
+ res = __mips_test_and_set_bit(nr, addr);
smp_llsc_mb();
static inline int test_and_set_bit_lock(unsigned long nr,
volatile unsigned long *addr)
{
- unsigned short bit = nr & SZLONG_MASK;
+ int bit = nr & SZLONG_MASK;
unsigned long res;
if (kernel_uses_llsc && R10000_LLSC_WAR) {
} while (unlikely(!res));
res = temp & (1UL << bit);
- } else {
- volatile unsigned long *a = addr;
- unsigned long mask;
- unsigned long flags;
-
- a += nr >> SZLONG_LOG;
- mask = 1UL << bit;
- raw_local_irq_save(flags);
- res = (mask & *a);
- *a |= mask;
- raw_local_irq_restore(flags);
- }
+ } else
+ res = __mips_test_and_set_bit_lock(nr, addr);
smp_llsc_mb();
static inline int test_and_clear_bit(unsigned long nr,
volatile unsigned long *addr)
{
- unsigned short bit = nr & SZLONG_MASK;
+ int bit = nr & SZLONG_MASK;
unsigned long res;
smp_mb__before_llsc();
} while (unlikely(!res));
res = temp & (1UL << bit);
- } else {
- volatile unsigned long *a = addr;
- unsigned long mask;
- unsigned long flags;
-
- a += nr >> SZLONG_LOG;
- mask = 1UL << bit;
- raw_local_irq_save(flags);
- res = (mask & *a);
- *a &= ~mask;
- raw_local_irq_restore(flags);
- }
+ } else
+ res = __mips_test_and_clear_bit(nr, addr);
smp_llsc_mb();
static inline int test_and_change_bit(unsigned long nr,
volatile unsigned long *addr)
{
- unsigned short bit = nr & SZLONG_MASK;
+ int bit = nr & SZLONG_MASK;
unsigned long res;
smp_mb__before_llsc();
} while (unlikely(!res));
res = temp & (1UL << bit);
- } else {
- volatile unsigned long *a = addr;
- unsigned long mask;
- unsigned long flags;
-
- a += nr >> SZLONG_LOG;
- mask = 1UL << bit;
- raw_local_irq_save(flags);
- res = (mask & *a);
- *a ^= mask;
- raw_local_irq_restore(flags);
- }
+ } else
+ res = __mips_test_and_change_bit(nr, addr);
smp_llsc_mb();
static inline int is_compat_task(void)
{
- return test_thread_flag(TIF_32BIT);
+ return test_thread_flag(TIF_32BIT_ADDR);
}
#endif /* _ASM_COMPAT_H */
#include <linux/compiler.h>
#include <linux/kernel.h>
#include <linux/types.h>
+#include <linux/irqflags.h>
#include <asm/addrspace.h>
#include <asm/bug.h>
#include <linux/compiler.h>
#include <asm/hazards.h>
-__asm__(
- " .macro arch_local_irq_enable \n"
- " .set push \n"
- " .set reorder \n"
- " .set noat \n"
-#ifdef CONFIG_MIPS_MT_SMTC
- " mfc0 $1, $2, 1 # SMTC - clear TCStatus.IXMT \n"
- " ori $1, 0x400 \n"
- " xori $1, 0x400 \n"
- " mtc0 $1, $2, 1 \n"
-#elif defined(CONFIG_CPU_MIPSR2)
- " ei \n"
-#else
- " mfc0 $1,$12 \n"
- " ori $1,0x1f \n"
- " xori $1,0x1e \n"
- " mtc0 $1,$12 \n"
-#endif
- " irq_enable_hazard \n"
- " .set pop \n"
- " .endm");
+#if defined(CONFIG_CPU_MIPSR2) && !defined(CONFIG_MIPS_MT_SMTC)
-extern void smtc_ipi_replay(void);
-
-static inline void arch_local_irq_enable(void)
-{
-#ifdef CONFIG_MIPS_MT_SMTC
- /*
- * SMTC kernel needs to do a software replay of queued
- * IPIs, at the cost of call overhead on each local_irq_enable()
- */
- smtc_ipi_replay();
-#endif
- __asm__ __volatile__(
- "arch_local_irq_enable"
- : /* no outputs */
- : /* no inputs */
- : "memory");
-}
-
-
-/*
- * For cli() we have to insert nops to make sure that the new value
- * has actually arrived in the status register before the end of this
- * macro.
- * R4000/R4400 need three nops, the R4600 two nops and the R10000 needs
- * no nops at all.
- */
-/*
- * For TX49, operating only IE bit is not enough.
- *
- * If mfc0 $12 follows store and the mfc0 is last instruction of a
- * page and fetching the next instruction causes TLB miss, the result
- * of the mfc0 might wrongly contain EXL bit.
- *
- * ERT-TX49H2-027, ERT-TX49H3-012, ERT-TX49HL3-006, ERT-TX49H4-008
- *
- * Workaround: mask EXL bit of the result or place a nop before mfc0.
- */
__asm__(
" .macro arch_local_irq_disable\n"
" .set push \n"
" .set noat \n"
-#ifdef CONFIG_MIPS_MT_SMTC
- " mfc0 $1, $2, 1 \n"
- " ori $1, 0x400 \n"
- " .set noreorder \n"
- " mtc0 $1, $2, 1 \n"
-#elif defined(CONFIG_CPU_MIPSR2)
" di \n"
-#else
- " mfc0 $1,$12 \n"
- " ori $1,0x1f \n"
- " xori $1,0x1f \n"
- " .set noreorder \n"
- " mtc0 $1,$12 \n"
-#endif
" irq_disable_hazard \n"
" .set pop \n"
" .endm \n");
: "memory");
}
-__asm__(
- " .macro arch_local_save_flags flags \n"
- " .set push \n"
- " .set reorder \n"
-#ifdef CONFIG_MIPS_MT_SMTC
- " mfc0 \\flags, $2, 1 \n"
-#else
- " mfc0 \\flags, $12 \n"
-#endif
- " .set pop \n"
- " .endm \n");
-
-static inline unsigned long arch_local_save_flags(void)
-{
- unsigned long flags;
- asm volatile("arch_local_save_flags %0" : "=r" (flags));
- return flags;
-}
__asm__(
" .macro arch_local_irq_save result \n"
" .set push \n"
" .set reorder \n"
" .set noat \n"
-#ifdef CONFIG_MIPS_MT_SMTC
- " mfc0 \\result, $2, 1 \n"
- " ori $1, \\result, 0x400 \n"
- " .set noreorder \n"
- " mtc0 $1, $2, 1 \n"
- " andi \\result, \\result, 0x400 \n"
-#elif defined(CONFIG_CPU_MIPSR2)
" di \\result \n"
" andi \\result, 1 \n"
-#else
- " mfc0 \\result, $12 \n"
- " ori $1, \\result, 0x1f \n"
- " xori $1, 0x1f \n"
- " .set noreorder \n"
- " mtc0 $1, $12 \n"
-#endif
" irq_disable_hazard \n"
" .set pop \n"
" .endm \n");
return flags;
}
+
__asm__(
" .macro arch_local_irq_restore flags \n"
" .set push \n"
" .set noreorder \n"
" .set noat \n"
-#ifdef CONFIG_MIPS_MT_SMTC
- "mfc0 $1, $2, 1 \n"
- "andi \\flags, 0x400 \n"
- "ori $1, 0x400 \n"
- "xori $1, 0x400 \n"
- "or \\flags, $1 \n"
- "mtc0 \\flags, $2, 1 \n"
-#elif defined(CONFIG_CPU_MIPSR2) && defined(CONFIG_IRQ_CPU)
+#if defined(CONFIG_IRQ_CPU)
/*
* Slow, but doesn't suffer from a relatively unlikely race
* condition we're having since days 1.
*/
" beqz \\flags, 1f \n"
- " di \n"
+ " di \n"
" ei \n"
"1: \n"
-#elif defined(CONFIG_CPU_MIPSR2)
+#else
/*
* Fast, dangerous. Life is fun, life is good.
*/
" mfc0 $1, $12 \n"
" ins $1, \\flags, 0, 1 \n"
" mtc0 $1, $12 \n"
-#else
- " mfc0 $1, $12 \n"
- " andi \\flags, 1 \n"
- " ori $1, 0x1f \n"
- " xori $1, 0x1f \n"
- " or \\flags, $1 \n"
- " mtc0 \\flags, $12 \n"
#endif
" irq_disable_hazard \n"
" .set pop \n"
" .endm \n");
-
static inline void arch_local_irq_restore(unsigned long flags)
{
unsigned long __tmp1;
-#ifdef CONFIG_MIPS_MT_SMTC
- /*
- * SMTC kernel needs to do a software replay of queued
- * IPIs, at the cost of branch and call overhead on each
- * local_irq_restore()
- */
- if (unlikely(!(flags & 0x0400)))
- smtc_ipi_replay();
-#endif
-
__asm__ __volatile__(
"arch_local_irq_restore\t%0"
: "=r" (__tmp1)
: "0" (flags)
: "memory");
}
+#else
+/* Functions that require preempt_{dis,en}able() are in mips-atomic.c */
+void arch_local_irq_disable(void);
+unsigned long arch_local_irq_save(void);
+void arch_local_irq_restore(unsigned long flags);
+void __arch_local_irq_restore(unsigned long flags);
+#endif /* if defined(CONFIG_CPU_MIPSR2) && !defined(CONFIG_MIPS_MT_SMTC) */
+
+
+__asm__(
+ " .macro arch_local_irq_enable \n"
+ " .set push \n"
+ " .set reorder \n"
+ " .set noat \n"
+#ifdef CONFIG_MIPS_MT_SMTC
+ " mfc0 $1, $2, 1 # SMTC - clear TCStatus.IXMT \n"
+ " ori $1, 0x400 \n"
+ " xori $1, 0x400 \n"
+ " mtc0 $1, $2, 1 \n"
+#elif defined(CONFIG_CPU_MIPSR2)
+ " ei \n"
+#else
+ " mfc0 $1,$12 \n"
+ " ori $1,0x1f \n"
+ " xori $1,0x1e \n"
+ " mtc0 $1,$12 \n"
+#endif
+ " irq_enable_hazard \n"
+ " .set pop \n"
+ " .endm");
+
+extern void smtc_ipi_replay(void);
+
+static inline void arch_local_irq_enable(void)
+{
+#ifdef CONFIG_MIPS_MT_SMTC
+ /*
+ * SMTC kernel needs to do a software replay of queued
+ * IPIs, at the cost of call overhead on each local_irq_enable()
+ */
+ smtc_ipi_replay();
+#endif
+ __asm__ __volatile__(
+ "arch_local_irq_enable"
+ : /* no outputs */
+ : /* no inputs */
+ : "memory");
+}
+
+
+__asm__(
+ " .macro arch_local_save_flags flags \n"
+ " .set push \n"
+ " .set reorder \n"
+#ifdef CONFIG_MIPS_MT_SMTC
+ " mfc0 \\flags, $2, 1 \n"
+#else
+ " mfc0 \\flags, $12 \n"
+#endif
+ " .set pop \n"
+ " .endm \n");
+
+static inline unsigned long arch_local_save_flags(void)
+{
+ unsigned long flags;
+ asm volatile("arch_local_save_flags %0" : "=r" (flags));
+ return flags;
+}
+
static inline int arch_irqs_disabled_flags(unsigned long flags)
{
#endif
}
-#endif
+#endif /* #ifndef __ASSEMBLY__ */
/*
* Do the CPU's IRQ-state tracing from assembly code.
#define TIF_LOAD_WATCH 25 /* If set, load watch registers */
#define TIF_SYSCALL_TRACE 31 /* syscall trace active */
-#ifdef CONFIG_MIPS32_O32
-#define TIF_32BIT TIF_32BIT_REGS
-#elif defined(CONFIG_MIPS32_N32)
-#define TIF_32BIT _TIF_32BIT_ADDR
-#endif /* CONFIG_MIPS32_O32 */
-
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
# Makefile for MIPS-specific library files..
#
-lib-y += csum_partial.o delay.o memcpy.o memset.o \
- strlen_user.o strncpy_user.o strnlen_user.o uncached.o
+lib-y += bitops.o csum_partial.o delay.o memcpy.o memset.o \
+ mips-atomic.o strlen_user.o strncpy_user.o \
+ strnlen_user.o uncached.o
obj-y += iomap.o
obj-$(CONFIG_PCI) += iomap-pci.o
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 1994-1997, 99, 2000, 06, 07 Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (c) 1999, 2000 Silicon Graphics, Inc.
+ */
+#include <linux/bitops.h>
+#include <linux/irqflags.h>
+#include <linux/export.h>
+
+
+/**
+ * __mips_set_bit - Atomically set a bit in memory. This is called by
+ * set_bit() if it cannot find a faster solution.
+ * @nr: the bit to set
+ * @addr: the address to start counting from
+ */
+void __mips_set_bit(unsigned long nr, volatile unsigned long *addr)
+{
+ volatile unsigned long *a = addr;
+ unsigned bit = nr & SZLONG_MASK;
+ unsigned long mask;
+ unsigned long flags;
+
+ a += nr >> SZLONG_LOG;
+ mask = 1UL << bit;
+ raw_local_irq_save(flags);
+ *a |= mask;
+ raw_local_irq_restore(flags);
+}
+EXPORT_SYMBOL(__mips_set_bit);
+
+
+/**
+ * __mips_clear_bit - Clears a bit in memory. This is called by clear_bit() if
+ * it cannot find a faster solution.
+ * @nr: Bit to clear
+ * @addr: Address to start counting from
+ */
+void __mips_clear_bit(unsigned long nr, volatile unsigned long *addr)
+{
+ volatile unsigned long *a = addr;
+ unsigned bit = nr & SZLONG_MASK;
+ unsigned long mask;
+ unsigned long flags;
+
+ a += nr >> SZLONG_LOG;
+ mask = 1UL << bit;
+ raw_local_irq_save(flags);
+ *a &= ~mask;
+ raw_local_irq_restore(flags);
+}
+EXPORT_SYMBOL(__mips_clear_bit);
+
+
+/**
+ * __mips_change_bit - Toggle a bit in memory. This is called by change_bit()
+ * if it cannot find a faster solution.
+ * @nr: Bit to change
+ * @addr: Address to start counting from
+ */
+void __mips_change_bit(unsigned long nr, volatile unsigned long *addr)
+{
+ volatile unsigned long *a = addr;
+ unsigned bit = nr & SZLONG_MASK;
+ unsigned long mask;
+ unsigned long flags;
+
+ a += nr >> SZLONG_LOG;
+ mask = 1UL << bit;
+ raw_local_irq_save(flags);
+ *a ^= mask;
+ raw_local_irq_restore(flags);
+}
+EXPORT_SYMBOL(__mips_change_bit);
+
+
+/**
+ * __mips_test_and_set_bit - Set a bit and return its old value. This is
+ * called by test_and_set_bit() if it cannot find a faster solution.
+ * @nr: Bit to set
+ * @addr: Address to count from
+ */
+int __mips_test_and_set_bit(unsigned long nr,
+ volatile unsigned long *addr)
+{
+ volatile unsigned long *a = addr;
+ unsigned bit = nr & SZLONG_MASK;
+ unsigned long mask;
+ unsigned long flags;
+ unsigned long res;
+
+ a += nr >> SZLONG_LOG;
+ mask = 1UL << bit;
+ raw_local_irq_save(flags);
+ res = (mask & *a);
+ *a |= mask;
+ raw_local_irq_restore(flags);
+ return res;
+}
+EXPORT_SYMBOL(__mips_test_and_set_bit);
+
+
+/**
+ * __mips_test_and_set_bit_lock - Set a bit and return its old value. This is
+ * called by test_and_set_bit_lock() if it cannot find a faster solution.
+ * @nr: Bit to set
+ * @addr: Address to count from
+ */
+int __mips_test_and_set_bit_lock(unsigned long nr,
+ volatile unsigned long *addr)
+{
+ volatile unsigned long *a = addr;
+ unsigned bit = nr & SZLONG_MASK;
+ unsigned long mask;
+ unsigned long flags;
+ unsigned long res;
+
+ a += nr >> SZLONG_LOG;
+ mask = 1UL << bit;
+ raw_local_irq_save(flags);
+ res = (mask & *a);
+ *a |= mask;
+ raw_local_irq_restore(flags);
+ return res;
+}
+EXPORT_SYMBOL(__mips_test_and_set_bit_lock);
+
+
+/**
+ * __mips_test_and_clear_bit - Clear a bit and return its old value. This is
+ * called by test_and_clear_bit() if it cannot find a faster solution.
+ * @nr: Bit to clear
+ * @addr: Address to count from
+ */
+int __mips_test_and_clear_bit(unsigned long nr, volatile unsigned long *addr)
+{
+ volatile unsigned long *a = addr;
+ unsigned bit = nr & SZLONG_MASK;
+ unsigned long mask;
+ unsigned long flags;
+ unsigned long res;
+
+ a += nr >> SZLONG_LOG;
+ mask = 1UL << bit;
+ raw_local_irq_save(flags);
+ res = (mask & *a);
+ *a &= ~mask;
+ raw_local_irq_restore(flags);
+ return res;
+}
+EXPORT_SYMBOL(__mips_test_and_clear_bit);
+
+
+/**
+ * __mips_test_and_change_bit - Change a bit and return its old value. This is
+ * called by test_and_change_bit() if it cannot find a faster solution.
+ * @nr: Bit to change
+ * @addr: Address to count from
+ */
+int __mips_test_and_change_bit(unsigned long nr, volatile unsigned long *addr)
+{
+ volatile unsigned long *a = addr;
+ unsigned bit = nr & SZLONG_MASK;
+ unsigned long mask;
+ unsigned long flags;
+ unsigned long res;
+
+ a += nr >> SZLONG_LOG;
+ mask = 1UL << bit;
+ raw_local_irq_save(flags);
+ res = (mask & *a);
+ *a ^= mask;
+ raw_local_irq_restore(flags);
+ return res;
+}
+EXPORT_SYMBOL(__mips_test_and_change_bit);
--- /dev/null
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1994, 95, 96, 97, 98, 99, 2003 by Ralf Baechle
+ * Copyright (C) 1996 by Paul M. Antoine
+ * Copyright (C) 1999 Silicon Graphics
+ * Copyright (C) 2000 MIPS Technologies, Inc.
+ */
+#include <asm/irqflags.h>
+#include <asm/hazards.h>
+#include <linux/compiler.h>
+#include <linux/preempt.h>
+#include <linux/export.h>
+
+#if !defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_MIPS_MT_SMTC)
+
+/*
+ * For cli() we have to insert nops to make sure that the new value
+ * has actually arrived in the status register before the end of this
+ * macro.
+ * R4000/R4400 need three nops, the R4600 two nops and the R10000 needs
+ * no nops at all.
+ */
+/*
+ * For TX49, operating only IE bit is not enough.
+ *
+ * If mfc0 $12 follows store and the mfc0 is last instruction of a
+ * page and fetching the next instruction causes TLB miss, the result
+ * of the mfc0 might wrongly contain EXL bit.
+ *
+ * ERT-TX49H2-027, ERT-TX49H3-012, ERT-TX49HL3-006, ERT-TX49H4-008
+ *
+ * Workaround: mask EXL bit of the result or place a nop before mfc0.
+ */
+__asm__(
+ " .macro arch_local_irq_disable\n"
+ " .set push \n"
+ " .set noat \n"
+#ifdef CONFIG_MIPS_MT_SMTC
+ " mfc0 $1, $2, 1 \n"
+ " ori $1, 0x400 \n"
+ " .set noreorder \n"
+ " mtc0 $1, $2, 1 \n"
+#elif defined(CONFIG_CPU_MIPSR2)
+ /* see irqflags.h for inline function */
+#else
+ " mfc0 $1,$12 \n"
+ " ori $1,0x1f \n"
+ " xori $1,0x1f \n"
+ " .set noreorder \n"
+ " mtc0 $1,$12 \n"
+#endif
+ " irq_disable_hazard \n"
+ " .set pop \n"
+ " .endm \n");
+
+void arch_local_irq_disable(void)
+{
+ preempt_disable();
+ __asm__ __volatile__(
+ "arch_local_irq_disable"
+ : /* no outputs */
+ : /* no inputs */
+ : "memory");
+ preempt_enable();
+}
+EXPORT_SYMBOL(arch_local_irq_disable);
+
+
+__asm__(
+ " .macro arch_local_irq_save result \n"
+ " .set push \n"
+ " .set reorder \n"
+ " .set noat \n"
+#ifdef CONFIG_MIPS_MT_SMTC
+ " mfc0 \\result, $2, 1 \n"
+ " ori $1, \\result, 0x400 \n"
+ " .set noreorder \n"
+ " mtc0 $1, $2, 1 \n"
+ " andi \\result, \\result, 0x400 \n"
+#elif defined(CONFIG_CPU_MIPSR2)
+ /* see irqflags.h for inline function */
+#else
+ " mfc0 \\result, $12 \n"
+ " ori $1, \\result, 0x1f \n"
+ " xori $1, 0x1f \n"
+ " .set noreorder \n"
+ " mtc0 $1, $12 \n"
+#endif
+ " irq_disable_hazard \n"
+ " .set pop \n"
+ " .endm \n");
+
+unsigned long arch_local_irq_save(void)
+{
+ unsigned long flags;
+ preempt_disable();
+ asm volatile("arch_local_irq_save\t%0"
+ : "=r" (flags)
+ : /* no inputs */
+ : "memory");
+ preempt_enable();
+ return flags;
+}
+EXPORT_SYMBOL(arch_local_irq_save);
+
+
+__asm__(
+ " .macro arch_local_irq_restore flags \n"
+ " .set push \n"
+ " .set noreorder \n"
+ " .set noat \n"
+#ifdef CONFIG_MIPS_MT_SMTC
+ "mfc0 $1, $2, 1 \n"
+ "andi \\flags, 0x400 \n"
+ "ori $1, 0x400 \n"
+ "xori $1, 0x400 \n"
+ "or \\flags, $1 \n"
+ "mtc0 \\flags, $2, 1 \n"
+#elif defined(CONFIG_CPU_MIPSR2) && defined(CONFIG_IRQ_CPU)
+ /* see irqflags.h for inline function */
+#elif defined(CONFIG_CPU_MIPSR2)
+ /* see irqflags.h for inline function */
+#else
+ " mfc0 $1, $12 \n"
+ " andi \\flags, 1 \n"
+ " ori $1, 0x1f \n"
+ " xori $1, 0x1f \n"
+ " or \\flags, $1 \n"
+ " mtc0 \\flags, $12 \n"
+#endif
+ " irq_disable_hazard \n"
+ " .set pop \n"
+ " .endm \n");
+
+void arch_local_irq_restore(unsigned long flags)
+{
+ unsigned long __tmp1;
+
+#ifdef CONFIG_MIPS_MT_SMTC
+ /*
+ * SMTC kernel needs to do a software replay of queued
+ * IPIs, at the cost of branch and call overhead on each
+ * local_irq_restore()
+ */
+ if (unlikely(!(flags & 0x0400)))
+ smtc_ipi_replay();
+#endif
+ preempt_disable();
+ __asm__ __volatile__(
+ "arch_local_irq_restore\t%0"
+ : "=r" (__tmp1)
+ : "0" (flags)
+ : "memory");
+ preempt_enable();
+}
+EXPORT_SYMBOL(arch_local_irq_restore);
+
+
+void __arch_local_irq_restore(unsigned long flags)
+{
+ unsigned long __tmp1;
+
+ preempt_disable();
+ __asm__ __volatile__(
+ "arch_local_irq_restore\t%0"
+ : "=r" (__tmp1)
+ : "0" (flags)
+ : "memory");
+ preempt_enable();
+}
+EXPORT_SYMBOL(__arch_local_irq_restore);
+
+#endif /* !defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_MIPS_MT_SMTC) */
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/platform_device.h>
+#include <asm/mips-boards/maltaint.h>
#include <mtd/mtd-abi.h>
#define SMC_PORT(base, int) \
SMC_PORT(0x2F8, 3),
{
.mapbase = 0x1f000900, /* The CBUS UART */
- .irq = MIPS_CPU_IRQ_BASE + 2,
+ .irq = MIPS_CPU_IRQ_BASE + MIPSCPU_INT_MB2,
.uartclk = 3686400, /* Twice the usual clk! */
.iotype = UPIO_MEM32,
.flags = CBUS_UART_FLAGS,
select ARCH_WANT_FRAME_POINTERS
select GENERIC_IOMAP
select MODULES_USE_ELF_REL
+ select GENERIC_KERNEL_THREAD
+ select GENERIC_KERNEL_EXECVE
help
UniCore-32 is 32-bit Instruction Set Architecture,
including a series of low-power-consumption RISC chip
config ARCH_MAY_HAVE_PC_FDC
bool
+config ZONE_DMA
+ def_bool y
+
config NEED_DMA_MAP_STATE
def_bool y
bool
depends on !ARCH_FPGA
select GENERIC_GPIO
- select GPIO_SYSFS if EXPERIMENTAL
+ select GPIO_SYSFS
default y
if PUV3_NB0916
-include include/asm-generic/Kbuild.asm
generic-y += atomic.h
generic-y += auxvec.h
extern void uc32_notify_die(const char *str, struct pt_regs *regs,
struct siginfo *info, unsigned long err, unsigned long trap);
-extern asmlinkage void __backtrace(void);
-extern asmlinkage void c_backtrace(unsigned long fp, int pmode);
-
-extern void __show_regs(struct pt_regs *);
-
#endif /* __UNICORE_BUG_H__ */
: "memory", "cc");
break;
default:
- ret = __xchg_bad_pointer();
+ __xchg_bad_pointer();
}
return ret;
+++ /dev/null
-#include <asm-generic/kvm_para.h>
#define cpu_relax() barrier()
-/*
- * Create a new kernel thread
- */
-extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
-
#define task_pt_regs(p) \
((struct pt_regs *)(THREAD_START_SP + task_stack_page(p)) - 1)
#ifndef __UNICORE_PTRACE_H__
#define __UNICORE_PTRACE_H__
-#define PTRACE_GET_THREAD_AREA 22
-
-/*
- * PSR bits
- */
-#define USER_MODE 0x00000010
-#define REAL_MODE 0x00000011
-#define INTR_MODE 0x00000012
-#define PRIV_MODE 0x00000013
-#define ABRT_MODE 0x00000017
-#define EXTN_MODE 0x0000001b
-#define SUSR_MODE 0x0000001f
-#define MODE_MASK 0x0000001f
-#define PSR_R_BIT 0x00000040
-#define PSR_I_BIT 0x00000080
-#define PSR_V_BIT 0x10000000
-#define PSR_C_BIT 0x20000000
-#define PSR_Z_BIT 0x40000000
-#define PSR_S_BIT 0x80000000
-
-/*
- * Groups of PSR bits
- */
-#define PSR_f 0xff000000 /* Flags */
-#define PSR_c 0x000000ff /* Control */
+#include <uapi/asm/ptrace.h>
#ifndef __ASSEMBLY__
-/*
- * This struct defines the way the registers are stored on the
- * stack during a system call. Note that sizeof(struct pt_regs)
- * has to be a multiple of 8.
- */
-struct pt_regs {
- unsigned long uregs[34];
-};
-
-#define UCreg_asr uregs[32]
-#define UCreg_pc uregs[31]
-#define UCreg_lr uregs[30]
-#define UCreg_sp uregs[29]
-#define UCreg_ip uregs[28]
-#define UCreg_fp uregs[27]
-#define UCreg_26 uregs[26]
-#define UCreg_25 uregs[25]
-#define UCreg_24 uregs[24]
-#define UCreg_23 uregs[23]
-#define UCreg_22 uregs[22]
-#define UCreg_21 uregs[21]
-#define UCreg_20 uregs[20]
-#define UCreg_19 uregs[19]
-#define UCreg_18 uregs[18]
-#define UCreg_17 uregs[17]
-#define UCreg_16 uregs[16]
-#define UCreg_15 uregs[15]
-#define UCreg_14 uregs[14]
-#define UCreg_13 uregs[13]
-#define UCreg_12 uregs[12]
-#define UCreg_11 uregs[11]
-#define UCreg_10 uregs[10]
-#define UCreg_09 uregs[9]
-#define UCreg_08 uregs[8]
-#define UCreg_07 uregs[7]
-#define UCreg_06 uregs[6]
-#define UCreg_05 uregs[5]
-#define UCreg_04 uregs[4]
-#define UCreg_03 uregs[3]
-#define UCreg_02 uregs[2]
-#define UCreg_01 uregs[1]
-#define UCreg_00 uregs[0]
-#define UCreg_ORIG_00 uregs[33]
-
-#ifdef __KERNEL__
-
#define user_mode(regs) \
(processor_mode(regs) == USER_MODE)
#define instruction_pointer(regs) ((regs)->UCreg_pc)
-#endif /* __KERNEL__ */
-
#endif /* __ASSEMBLY__ */
-
#endif
-
# UAPI Header export list
include include/uapi/asm-generic/Kbuild.asm
+header-y += byteorder.h
+header-y += kvm_para.h
+header-y += ptrace.h
+header-y += sigcontext.h
+header-y += unistd.h
+
+generic-y += kvm_para.h
--- /dev/null
+/*
+ * linux/arch/unicore32/include/asm/ptrace.h
+ *
+ * Code specific to PKUnity SoC and UniCore ISA
+ *
+ * Copyright (C) 2001-2010 GUAN Xue-tao
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef _UAPI__UNICORE_PTRACE_H__
+#define _UAPI__UNICORE_PTRACE_H__
+
+#define PTRACE_GET_THREAD_AREA 22
+
+/*
+ * PSR bits
+ */
+#define USER_MODE 0x00000010
+#define REAL_MODE 0x00000011
+#define INTR_MODE 0x00000012
+#define PRIV_MODE 0x00000013
+#define ABRT_MODE 0x00000017
+#define EXTN_MODE 0x0000001b
+#define SUSR_MODE 0x0000001f
+#define MODE_MASK 0x0000001f
+#define PSR_R_BIT 0x00000040
+#define PSR_I_BIT 0x00000080
+#define PSR_V_BIT 0x10000000
+#define PSR_C_BIT 0x20000000
+#define PSR_Z_BIT 0x40000000
+#define PSR_S_BIT 0x80000000
+
+/*
+ * Groups of PSR bits
+ */
+#define PSR_f 0xff000000 /* Flags */
+#define PSR_c 0x000000ff /* Control */
+
+#ifndef __ASSEMBLY__
+
+/*
+ * This struct defines the way the registers are stored on the
+ * stack during a system call. Note that sizeof(struct pt_regs)
+ * has to be a multiple of 8.
+ */
+struct pt_regs {
+ unsigned long uregs[34];
+};
+
+#define UCreg_asr uregs[32]
+#define UCreg_pc uregs[31]
+#define UCreg_lr uregs[30]
+#define UCreg_sp uregs[29]
+#define UCreg_ip uregs[28]
+#define UCreg_fp uregs[27]
+#define UCreg_26 uregs[26]
+#define UCreg_25 uregs[25]
+#define UCreg_24 uregs[24]
+#define UCreg_23 uregs[23]
+#define UCreg_22 uregs[22]
+#define UCreg_21 uregs[21]
+#define UCreg_20 uregs[20]
+#define UCreg_19 uregs[19]
+#define UCreg_18 uregs[18]
+#define UCreg_17 uregs[17]
+#define UCreg_16 uregs[16]
+#define UCreg_15 uregs[15]
+#define UCreg_14 uregs[14]
+#define UCreg_13 uregs[13]
+#define UCreg_12 uregs[12]
+#define UCreg_11 uregs[11]
+#define UCreg_10 uregs[10]
+#define UCreg_09 uregs[9]
+#define UCreg_08 uregs[8]
+#define UCreg_07 uregs[7]
+#define UCreg_06 uregs[6]
+#define UCreg_05 uregs[5]
+#define UCreg_04 uregs[4]
+#define UCreg_03 uregs[3]
+#define UCreg_02 uregs[2]
+#define UCreg_01 uregs[1]
+#define UCreg_00 uregs[0]
+#define UCreg_ORIG_00 uregs[33]
+
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _UAPI__UNICORE_PTRACE_H__ */
/* Use the standard ABI for syscalls. */
#include <asm-generic/unistd.h>
+#define __ARCH_WANT_SYS_EXECVE
*/
ENTRY(ret_from_fork)
b.l schedule_tail
- get_thread_info tsk
- ldw r1, [tsk+], #TI_FLAGS @ check for syscall tracing
- mov why, #1
- cand.a r1, #_TIF_SYSCALL_TRACE @ are we tracing syscalls?
- beq ret_slow_syscall
- mov r1, sp
- mov r0, #1 @ trace exit [IP = 1]
- b.l syscall_trace
b ret_slow_syscall
ENDPROC(ret_from_fork)
+ENTRY(ret_from_kernel_thread)
+ b.l schedule_tail
+ mov r0, r5
+ adr lr, ret_slow_syscall
+ mov pc, r4
+ENDPROC(ret_from_kernel_thread)
+
/*=============================================================================
* SWI handler
*-----------------------------------------------------------------------------
#endif
.ltorg
-ENTRY(sys_execve)
- add r3, sp, #S_OFF
- b __sys_execve
-ENDPROC(sys_execve)
-
ENTRY(sys_clone)
add ip, sp, #S_OFF
stw ip, [sp+], #4
}
asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
+asmlinkage void ret_from_kernel_thread(void) __asm__("ret_from_kernel_thread");
int
copy_thread(unsigned long clone_flags, unsigned long stack_start,
struct thread_info *thread = task_thread_info(p);
struct pt_regs *childregs = task_pt_regs(p);
- *childregs = *regs;
- childregs->UCreg_00 = 0;
- childregs->UCreg_sp = stack_start;
-
memset(&thread->cpu_context, 0, sizeof(struct cpu_context_save));
thread->cpu_context.sp = (unsigned long)childregs;
- thread->cpu_context.pc = (unsigned long)ret_from_fork;
-
- if (clone_flags & CLONE_SETTLS)
- childregs->UCreg_16 = regs->UCreg_03;
+ if (unlikely(!regs)) {
+ thread->cpu_context.pc = (unsigned long)ret_from_kernel_thread;
+ thread->cpu_context.r4 = stack_start;
+ thread->cpu_context.r5 = stk_sz;
+ memset(childregs, 0, sizeof(struct pt_regs));
+ } else {
+ thread->cpu_context.pc = (unsigned long)ret_from_fork;
+ *childregs = *regs;
+ childregs->UCreg_00 = 0;
+ childregs->UCreg_sp = stack_start;
+ if (clone_flags & CLONE_SETTLS)
+ childregs->UCreg_16 = regs->UCreg_03;
+ }
return 0;
}
}
EXPORT_SYMBOL(dump_fpu);
-/*
- * Shuffle the argument into the correct register before calling the
- * thread function. r1 is the thread argument, r2 is the pointer to
- * the thread function, and r3 points to the exit function.
- */
-asm(".pushsection .text\n"
-" .align\n"
-" .type kernel_thread_helper, #function\n"
-"kernel_thread_helper:\n"
-" mov.a asr, r7\n"
-" mov r0, r4\n"
-" mov lr, r6\n"
-" mov pc, r5\n"
-" .size kernel_thread_helper, . - kernel_thread_helper\n"
-" .popsection");
-
-/*
- * Create a kernel thread.
- */
-pid_t kernel_thread(int (*fn)(void *), void *arg, unsigned long flags)
-{
- struct pt_regs regs;
-
- memset(®s, 0, sizeof(regs));
-
- regs.UCreg_04 = (unsigned long)arg;
- regs.UCreg_05 = (unsigned long)fn;
- regs.UCreg_06 = (unsigned long)do_exit;
- regs.UCreg_07 = PRIV_MODE;
- regs.UCreg_pc = (unsigned long)kernel_thread_helper;
- regs.UCreg_asr = regs.UCreg_07 | PSR_I_BIT;
-
- return do_fork(flags|CLONE_VM|CLONE_UNTRACED, 0, ®s, 0, NULL, NULL);
-}
-EXPORT_SYMBOL(kernel_thread);
-
unsigned long get_wchan(struct task_struct *p)
{
struct stackframe frame;
extern void kernel_thread_helper(void);
extern void __init early_signal_init(void);
+
+extern asmlinkage void __backtrace(void);
+extern asmlinkage void c_backtrace(unsigned long fp, int pmode);
+
+extern void __show_regs(struct pt_regs *);
+
#endif
parent_tid, child_tid);
}
-/* sys_execve() executes a new program.
- * This is called indirectly via a small wrapper
- */
-asmlinkage long __sys_execve(const char __user *filename,
- const char __user *const __user *argv,
- const char __user *const __user *envp,
- struct pt_regs *regs)
-{
- int error;
- struct filename *fn;
-
- fn = getname(filename);
- error = PTR_ERR(fn);
- if (IS_ERR(fn))
- goto out;
- error = do_execve(fn->name, argv, envp, regs);
- putname(fn);
-out:
- return error;
-}
-
-int kernel_execve(const char *filename,
- const char *const argv[],
- const char *const envp[])
-{
- struct pt_regs regs;
- int ret;
-
- memset(®s, 0, sizeof(struct pt_regs));
- ret = do_execve(filename,
- (const char __user *const __user *)argv,
- (const char __user *const __user *)envp, ®s);
- if (ret < 0)
- goto out;
-
- /*
- * Save argc to the register structure for userspace.
- */
- regs.UCreg_00 = ret;
-
- /*
- * We were successful. We won't be returning to our caller, but
- * instead to user space by manipulating the kernel stack.
- */
- asm("add r0, %0, %1\n\t"
- "mov r1, %2\n\t"
- "mov r2, %3\n\t"
- "mov r22, #0\n\t" /* not a syscall */
- "mov r23, %0\n\t" /* thread structure */
- "b.l memmove\n\t" /* copy regs to top of stack */
- "mov sp, r0\n\t" /* reposition stack pointer */
- "b ret_to_user"
- :
- : "r" (current_thread_info()),
- "Ir" (THREAD_START_SP - sizeof(regs)),
- "r" (®s),
- "Ir" (sizeof(regs))
- : "r0", "r1", "r2", "r3", "ip", "lr", "memory");
-
- out:
- return ret;
-}
-
/* Note: used by the compat code even in 64-bit Linux. */
SYSCALL_DEFINE6(mmap2, unsigned long, addr, unsigned long, len,
unsigned long, prot, unsigned long, flags,
}
static int __do_pf(struct mm_struct *mm, unsigned long addr, unsigned int fsr,
- struct task_struct *tsk)
+ unsigned int flags, struct task_struct *tsk)
{
struct vm_area_struct *vma;
int fault;
* If for any reason at all we couldn't handle the fault, make
* sure we exit gracefully rather than endlessly redo the fault.
*/
- fault = handle_mm_fault(mm, vma, addr & PAGE_MASK,
- (!(fsr ^ 0x12)) ? FAULT_FLAG_WRITE : 0);
- if (unlikely(fault & VM_FAULT_ERROR))
- return fault;
- if (fault & VM_FAULT_MAJOR)
- tsk->maj_flt++;
- else
- tsk->min_flt++;
+ fault = handle_mm_fault(mm, vma, addr & PAGE_MASK, flags);
return fault;
check_stack:
struct task_struct *tsk;
struct mm_struct *mm;
int fault, sig, code;
+ unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE |
+ ((!(fsr ^ 0x12)) ? FAULT_FLAG_WRITE : 0);
tsk = current;
mm = tsk->mm;
if (!user_mode(regs)
&& !search_exception_tables(regs->UCreg_pc))
goto no_context;
+retry:
down_read(&mm->mmap_sem);
} else {
/*
#endif
}
- fault = __do_pf(mm, addr, fsr, tsk);
+ fault = __do_pf(mm, addr, fsr, flags, tsk);
+
+ /* If we need to retry but a fatal signal is pending, handle the
+ * signal first. We do not need to release the mmap_sem because
+ * it would already be released in __lock_page_or_retry in
+ * mm/filemap.c. */
+ if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current))
+ return 0;
+
+ if (!(fault & VM_FAULT_ERROR) && (flags & FAULT_FLAG_ALLOW_RETRY)) {
+ if (fault & VM_FAULT_MAJOR)
+ tsk->maj_flt++;
+ else
+ tsk->min_flt++;
+ if (fault & VM_FAULT_RETRY) {
+ /* Clear FAULT_FLAG_ALLOW_RETRY to avoid any risk
+ * of starvation. */
+ flags &= ~FAULT_FLAG_ALLOW_RETRY;
+ goto retry;
+ }
+ }
+
up_read(&mm->mmap_sem);
/*
{
struct kvm_cpuid_entry2 *best;
+ if (!static_cpu_has(X86_FEATURE_XSAVE))
+ return 0;
+
best = kvm_find_cpuid_entry(vcpu, 1, 0);
return best && (best->ecx & bit(X86_FEATURE_XSAVE));
}
int pending_vec, max_bits, idx;
struct desc_ptr dt;
+ if (!guest_cpuid_has_xsave(vcpu) && (sregs->cr4 & X86_CR4_OSXSAVE))
+ return -EINVAL;
+
dt.size = sregs->idt.limit;
dt.address = sregs->idt.base;
kvm_x86_ops->set_idt(vcpu, &dt);
CLK_IS_ROOT|CLK_IGNORE_UNUSED,
32768);
clk_register_clkdev(clk, "clk32k", NULL);
- clk_register_clkdev(clk, NULL, "rtc-pl031");
+ clk_register_clkdev(clk, "apb_pclk", "rtc-pl031");
/* PRCMU clocks */
fw_version = prcmu_get_fw_version();
clk = clk_reg_prcc_pclk("p1_pclk2", "per1clk", U8500_CLKRST1_BASE,
BIT(2), 0);
+ clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.1");
+
clk = clk_reg_prcc_pclk("p1_pclk3", "per1clk", U8500_CLKRST1_BASE,
BIT(3), 0);
+ clk_register_clkdev(clk, "apb_pclk", "msp0");
+ clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.0");
+
clk = clk_reg_prcc_pclk("p1_pclk4", "per1clk", U8500_CLKRST1_BASE,
BIT(4), 0);
+ clk_register_clkdev(clk, "apb_pclk", "msp1");
+ clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.1");
clk = clk_reg_prcc_pclk("p1_pclk5", "per1clk", U8500_CLKRST1_BASE,
BIT(5), 0);
clk = clk_reg_prcc_pclk("p1_pclk6", "per1clk", U8500_CLKRST1_BASE,
BIT(6), 0);
+ clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.2");
clk = clk_reg_prcc_pclk("p1_pclk7", "per1clk", U8500_CLKRST1_BASE,
BIT(7), 0);
clk = clk_reg_prcc_pclk("p1_pclk8", "per1clk", U8500_CLKRST1_BASE,
BIT(8), 0);
+ clk_register_clkdev(clk, "apb_pclk", "slimbus0");
clk = clk_reg_prcc_pclk("p1_pclk9", "per1clk", U8500_CLKRST1_BASE,
BIT(9), 0);
clk = clk_reg_prcc_pclk("p1_pclk10", "per1clk", U8500_CLKRST1_BASE,
BIT(10), 0);
+ clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.4");
+
clk = clk_reg_prcc_pclk("p1_pclk11", "per1clk", U8500_CLKRST1_BASE,
BIT(11), 0);
+ clk_register_clkdev(clk, "apb_pclk", "msp3");
+ clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.3");
clk = clk_reg_prcc_pclk("p2_pclk0", "per2clk", U8500_CLKRST2_BASE,
BIT(0), 0);
+ clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.3");
clk = clk_reg_prcc_pclk("p2_pclk1", "per2clk", U8500_CLKRST2_BASE,
BIT(1), 0);
clk = clk_reg_prcc_pclk("p2_pclk5", "per2clk", U8500_CLKRST2_BASE,
BIT(5), 0);
+ clk_register_clkdev(clk, "apb_pclk", "msp2");
+ clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.2");
clk = clk_reg_prcc_pclk("p2_pclk6", "per2clk", U8500_CLKRST2_BASE,
BIT(6), 0);
clk_register_clkdev(clk, "apb_pclk", "sdi1");
-
clk = clk_reg_prcc_pclk("p2_pclk7", "per2clk", U8500_CLKRST2_BASE,
BIT(7), 0);
clk_register_clkdev(clk, "apb_pclk", "sdi3");
clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", U8500_CLKRST3_BASE,
BIT(1), 0);
+ clk_register_clkdev(clk, "apb_pclk", "ssp0");
+
clk = clk_reg_prcc_pclk("p3_pclk2", "per3clk", U8500_CLKRST3_BASE,
BIT(2), 0);
+ clk_register_clkdev(clk, "apb_pclk", "ssp1");
+
clk = clk_reg_prcc_pclk("p3_pclk3", "per3clk", U8500_CLKRST3_BASE,
BIT(3), 0);
+ clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.0");
clk = clk_reg_prcc_pclk("p3_pclk4", "per3clk", U8500_CLKRST3_BASE,
BIT(4), 0);
clk = clk_reg_prcc_kclk("p1_i2c1_kclk", "i2cclk",
U8500_CLKRST1_BASE, BIT(2), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "nmk-i2c.1");
+
clk = clk_reg_prcc_kclk("p1_msp0_kclk", "msp02clk",
U8500_CLKRST1_BASE, BIT(3), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "msp0");
+ clk_register_clkdev(clk, NULL, "ux500-msp-i2s.0");
+
clk = clk_reg_prcc_kclk("p1_msp1_kclk", "msp1clk",
U8500_CLKRST1_BASE, BIT(4), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "msp1");
+ clk_register_clkdev(clk, NULL, "ux500-msp-i2s.1");
clk = clk_reg_prcc_kclk("p1_sdi0_kclk", "sdmmcclk",
U8500_CLKRST1_BASE, BIT(5), CLK_SET_RATE_GATE);
clk = clk_reg_prcc_kclk("p1_i2c2_kclk", "i2cclk",
U8500_CLKRST1_BASE, BIT(6), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "nmk-i2c.2");
+
clk = clk_reg_prcc_kclk("p1_slimbus0_kclk", "slimclk",
- U8500_CLKRST1_BASE, BIT(3), CLK_SET_RATE_GATE);
- /* FIXME: Redefinition of BIT(3). */
+ U8500_CLKRST1_BASE, BIT(8), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "slimbus0");
+
clk = clk_reg_prcc_kclk("p1_i2c4_kclk", "i2cclk",
U8500_CLKRST1_BASE, BIT(9), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "nmk-i2c.4");
+
clk = clk_reg_prcc_kclk("p1_msp3_kclk", "msp1clk",
U8500_CLKRST1_BASE, BIT(10), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "msp3");
+ clk_register_clkdev(clk, NULL, "ux500-msp-i2s.3");
/* Periph2 */
clk = clk_reg_prcc_kclk("p2_i2c3_kclk", "i2cclk",
U8500_CLKRST2_BASE, BIT(0), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "nmk-i2c.3");
clk = clk_reg_prcc_kclk("p2_sdi4_kclk", "sdmmcclk",
U8500_CLKRST2_BASE, BIT(2), CLK_SET_RATE_GATE);
clk = clk_reg_prcc_kclk("p2_msp2_kclk", "msp02clk",
U8500_CLKRST2_BASE, BIT(3), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "msp2");
+ clk_register_clkdev(clk, NULL, "ux500-msp-i2s.2");
clk = clk_reg_prcc_kclk("p2_sdi1_kclk", "sdmmcclk",
U8500_CLKRST2_BASE, BIT(4), CLK_SET_RATE_GATE);
/* Periph3 */
clk = clk_reg_prcc_kclk("p3_ssp0_kclk", "sspclk",
U8500_CLKRST3_BASE, BIT(1), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "ssp0");
+
clk = clk_reg_prcc_kclk("p3_ssp1_kclk", "sspclk",
U8500_CLKRST3_BASE, BIT(2), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "ssp1");
+
clk = clk_reg_prcc_kclk("p3_i2c0_kclk", "i2cclk",
U8500_CLKRST3_BASE, BIT(3), CLK_SET_RATE_GATE);
+ clk_register_clkdev(clk, NULL, "nmk-i2c.0");
clk = clk_reg_prcc_kclk("p3_sdi2_kclk", "sdmmcclk",
U8500_CLKRST3_BASE, BIT(4), CLK_SET_RATE_GATE);
mux->busses = devm_kzalloc(&pdev->dev,
sizeof(mux->busses) * mux->pdata->bus_count,
GFP_KERNEL);
- if (!mux->states) {
+ if (!mux->busses) {
dev_err(&pdev->dev, "Cannot allocate busses\n");
ret = -ENOMEM;
goto err;
struct led_trigger_cpu {
char name[MAX_NAME_LEN];
struct led_trigger *_trig;
- struct mutex lock;
- int lock_is_inited;
};
static DEFINE_PER_CPU(struct led_trigger_cpu, cpu_trig);
{
struct led_trigger_cpu *trig = &__get_cpu_var(cpu_trig);
- /* mutex lock should be initialized before calling mutex_call() */
- if (!trig->lock_is_inited)
- return;
-
- mutex_lock(&trig->lock);
-
/* Locate the correct CPU LED */
switch (ledevt) {
case CPU_LED_IDLE_END:
/* Will leave the LED as it is */
break;
}
-
- mutex_unlock(&trig->lock);
}
EXPORT_SYMBOL(ledtrig_cpu);
for_each_possible_cpu(cpu) {
struct led_trigger_cpu *trig = &per_cpu(cpu_trig, cpu);
- mutex_init(&trig->lock);
-
snprintf(trig->name, MAX_NAME_LEN, "cpu%d", cpu);
- mutex_lock(&trig->lock);
led_trigger_register_simple(trig->name, &trig->_trig);
- trig->lock_is_inited = 1;
- mutex_unlock(&trig->lock);
}
register_syscore_ops(&ledtrig_cpu_syscore_ops);
for_each_possible_cpu(cpu) {
struct led_trigger_cpu *trig = &per_cpu(cpu_trig, cpu);
- mutex_lock(&trig->lock);
-
led_trigger_unregister_simple(trig->_trig);
trig->_trig = NULL;
memset(trig->name, 0, MAX_NAME_LEN);
- trig->lock_is_inited = 0;
-
- mutex_unlock(&trig->lock);
- mutex_destroy(&trig->lock);
}
unregister_syscore_ops(&ledtrig_cpu_syscore_ops);
}
EXPORT_SYMBOL_GPL(regulator_get_exclusive);
-/**
- * regulator_put - "free" the regulator source
- * @regulator: regulator source
- *
- * Note: drivers must ensure that all regulator_enable calls made on this
- * regulator source are balanced by regulator_disable calls prior to calling
- * this function.
- */
-void regulator_put(struct regulator *regulator)
+/* Locks held by regulator_put() */
+static void _regulator_put(struct regulator *regulator)
{
struct regulator_dev *rdev;
if (regulator == NULL || IS_ERR(regulator))
return;
- mutex_lock(®ulator_list_mutex);
rdev = regulator->rdev;
debugfs_remove_recursive(regulator->debugfs);
rdev->exclusive = 0;
module_put(rdev->owner);
+}
+
+/**
+ * regulator_put - "free" the regulator source
+ * @regulator: regulator source
+ *
+ * Note: drivers must ensure that all regulator_enable calls made on this
+ * regulator source are balanced by regulator_disable calls prior to calling
+ * this function.
+ */
+void regulator_put(struct regulator *regulator)
+{
+ mutex_lock(®ulator_list_mutex);
+ _regulator_put(regulator);
mutex_unlock(®ulator_list_mutex);
}
EXPORT_SYMBOL_GPL(regulator_put);
if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)) {
ret = regulator_get_voltage(regulator);
if (ret >= 0)
- return (min_uV >= ret && ret <= max_uV);
+ return (min_uV <= ret && ret <= max_uV);
else
return ret;
}
if (ret != 0) {
rdev_err(rdev, "Failed to request enable GPIO%d: %d\n",
config->ena_gpio, ret);
- goto clean;
+ goto wash;
}
rdev->ena_gpio = config->ena_gpio;
scrub:
if (rdev->supply)
- regulator_put(rdev->supply);
+ _regulator_put(rdev->supply);
if (rdev->ena_gpio)
gpio_free(rdev->ena_gpio);
kfree(rdev->constraints);
+wash:
device_unregister(&rdev->dev);
/* device core frees rdev */
rdev = ERR_PTR(ret);
while (s < e) {
unsigned long flags;
+ u64 id;
if (c > psinfo->bufsize)
c = psinfo->bufsize;
spin_lock_irqsave(&psinfo->buf_lock, flags);
}
memcpy(psinfo->buf, s, c);
- psinfo->write(PSTORE_TYPE_CONSOLE, 0, NULL, 0, c, psinfo);
+ psinfo->write(PSTORE_TYPE_CONSOLE, 0, &id, 0, c, psinfo);
spin_unlock_irqrestore(&psinfo->buf_lock, flags);
s += c;
c = e - s;
if (!lprops) {
lprops = ubifs_fast_find_freeable(c);
if (!lprops) {
- ubifs_assert(c->freeable_cnt == 0);
- if (c->lst.empty_lebs - c->lst.taken_empty_lebs > 0) {
+ /*
+ * The first condition means the following: go scan the
+ * LPT if there are uncategorized lprops, which means
+ * there may be freeable LEBs there (UBIFS does not
+ * store the information about freeable LEBs in the
+ * master node).
+ */
+ if (c->in_a_category_cnt != c->main_lebs ||
+ c->lst.empty_lebs - c->lst.taken_empty_lebs > 0) {
+ ubifs_assert(c->freeable_cnt == 0);
lprops = scan_for_leb_for_idx(c);
if (IS_ERR(lprops)) {
err = PTR_ERR(lprops);
default:
ubifs_assert(0);
}
+
lprops->flags &= ~LPROPS_CAT_MASK;
lprops->flags |= cat;
+ c->in_a_category_cnt += 1;
+ ubifs_assert(c->in_a_category_cnt <= c->main_lebs);
}
/**
default:
ubifs_assert(0);
}
+
+ c->in_a_category_cnt -= 1;
+ ubifs_assert(c->in_a_category_cnt >= 0);
}
/**
* @freeable_list: list of freeable non-index LEBs (free + dirty == @leb_size)
* @frdi_idx_list: list of freeable index LEBs (free + dirty == @leb_size)
* @freeable_cnt: number of freeable LEBs in @freeable_list
+ * @in_a_category_cnt: count of lprops which are in a certain category, which
+ * basically meants that they were loaded from the flash
*
* @ltab_lnum: LEB number of LPT's own lprops table
* @ltab_offs: offset of LPT's own lprops table
struct list_head freeable_list;
struct list_head frdi_idx_list;
int freeable_cnt;
+ int in_a_category_cnt;
int ltab_lnum;
int ltab_offs;
struct futex_pi_state **ps,
struct task_struct *task, int set_waiters)
{
- int lock_taken, ret, ownerdied = 0;
+ int lock_taken, ret, force_take = 0;
u32 uval, newval, curval, vpid = task_pid_vnr(task);
retry:
newval = curval | FUTEX_WAITERS;
/*
- * There are two cases, where a futex might have no owner (the
- * owner TID is 0): OWNER_DIED. We take over the futex in this
- * case. We also do an unconditional take over, when the owner
- * of the futex died.
- *
- * This is safe as we are protected by the hash bucket lock !
+ * Should we force take the futex? See below.
*/
- if (unlikely(ownerdied || !(curval & FUTEX_TID_MASK))) {
- /* Keep the OWNER_DIED bit */
+ if (unlikely(force_take)) {
+ /*
+ * Keep the OWNER_DIED and the WAITERS bit and set the
+ * new TID value.
+ */
newval = (curval & ~FUTEX_TID_MASK) | vpid;
- ownerdied = 0;
+ force_take = 0;
lock_taken = 1;
}
goto retry;
/*
- * We took the lock due to owner died take over.
+ * We took the lock due to forced take over.
*/
if (unlikely(lock_taken))
return 1;
switch (ret) {
case -ESRCH:
/*
- * No owner found for this futex. Check if the
- * OWNER_DIED bit is set to figure out whether
- * this is a robust futex or not.
+ * We failed to find an owner for this
+ * futex. So we have no pi_state to block
+ * on. This can happen in two cases:
+ *
+ * 1) The owner died
+ * 2) A stale FUTEX_WAITERS bit
+ *
+ * Re-read the futex value.
*/
if (get_futex_value_locked(&curval, uaddr))
return -EFAULT;
/*
- * We simply start over in case of a robust
- * futex. The code above will take the futex
- * and return happy.
+ * If the owner died or we have a stale
+ * WAITERS bit the owner TID in the user space
+ * futex is 0.
*/
- if (curval & FUTEX_OWNER_DIED) {
- ownerdied = 1;
+ if (!(curval & FUTEX_TID_MASK)) {
+ force_take = 1;
goto retry;
}
default:
#include <assert.h>
#include <stdio.h>
-#include <sys/queue.h>
+#include "list.h"
#ifndef __cplusplus
#include <stdbool.h>
#endif
#define MENU_ROOT 0x0002
struct jump_key {
- CIRCLEQ_ENTRY(jump_key) entries;
+ struct list_head entries;
size_t offset;
struct menu *target;
int index;
};
-CIRCLEQ_HEAD(jk_head, jump_key);
#define JUMP_NB 9
--- /dev/null
+#ifndef LIST_H
+#define LIST_H
+
+/*
+ * Copied from include/linux/...
+ */
+
+#undef offsetof
+#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+
+/**
+ * container_of - cast a member of a structure out to the containing structure
+ * @ptr: the pointer to the member.
+ * @type: the type of the container struct this is embedded in.
+ * @member: the name of the member within the struct.
+ *
+ */
+#define container_of(ptr, type, member) ({ \
+ const typeof( ((type *)0)->member ) *__mptr = (ptr); \
+ (type *)( (char *)__mptr - offsetof(type,member) );})
+
+
+struct list_head {
+ struct list_head *next, *prev;
+};
+
+
+#define LIST_HEAD_INIT(name) { &(name), &(name) }
+
+#define LIST_HEAD(name) \
+ struct list_head name = LIST_HEAD_INIT(name)
+
+/**
+ * list_entry - get the struct for this entry
+ * @ptr: the &struct list_head pointer.
+ * @type: the type of the struct this is embedded in.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_entry(ptr, type, member) \
+ container_of(ptr, type, member)
+
+/**
+ * list_for_each_entry - iterate over list of given type
+ * @pos: the type * to use as a loop cursor.
+ * @head: the head for your list.
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_for_each_entry(pos, head, member) \
+ for (pos = list_entry((head)->next, typeof(*pos), member); \
+ &pos->member != (head); \
+ pos = list_entry(pos->member.next, typeof(*pos), member))
+
+/**
+ * list_empty - tests whether a list is empty
+ * @head: the list to test.
+ */
+static inline int list_empty(const struct list_head *head)
+{
+ return head->next == head;
+}
+
+/*
+ * Insert a new entry between two known consecutive entries.
+ *
+ * This is only for internal list manipulation where we know
+ * the prev/next entries already!
+ */
+static inline void __list_add(struct list_head *_new,
+ struct list_head *prev,
+ struct list_head *next)
+{
+ next->prev = _new;
+ _new->next = next;
+ _new->prev = prev;
+ prev->next = _new;
+}
+
+/**
+ * list_add_tail - add a new entry
+ * @new: new entry to be added
+ * @head: list head to add it before
+ *
+ * Insert a new entry before the specified head.
+ * This is useful for implementing queues.
+ */
+static inline void list_add_tail(struct list_head *_new, struct list_head *head)
+{
+ __list_add(_new, head->prev, head);
+}
+
+#endif
P(menu_get_parent_menu,struct menu *,(struct menu *menu));
P(menu_has_help,bool,(struct menu *menu));
P(menu_get_help,const char *,(struct menu *menu));
-P(get_symbol_str, void, (struct gstr *r, struct symbol *sym, struct jk_head
+P(get_symbol_str, void, (struct gstr *r, struct symbol *sym, struct list_head
*head));
-P(get_relations_str, struct gstr, (struct symbol **sym_arr, struct jk_head
+P(get_relations_str, struct gstr, (struct symbol **sym_arr, struct list_head
*head));
P(menu_get_ext_help,void,(struct menu *menu, struct gstr *help));
struct search_data {
- struct jk_head *head;
+ struct list_head *head;
struct menu **targets;
int *keys;
};
struct jump_key *pos;
int k = 0;
- CIRCLEQ_FOREACH(pos, data->head, entries) {
+ list_for_each_entry(pos, data->head, entries) {
if (pos->offset >= start && pos->offset < end) {
char header[4];
sym_arr = sym_re_search(dialog_input);
do {
- struct jk_head head = CIRCLEQ_HEAD_INITIALIZER(head);
+ LIST_HEAD(head);
struct menu *targets[JUMP_NB];
int keys[JUMP_NB + 1], i;
struct search_data data = {
}
static void get_prompt_str(struct gstr *r, struct property *prop,
- struct jk_head *head)
+ struct list_head *head)
{
int i, j;
struct menu *submenu[8], *menu, *location = NULL;
} else
jump->target = location;
- if (CIRCLEQ_EMPTY(head))
+ if (list_empty(head))
jump->index = 0;
else
- jump->index = CIRCLEQ_LAST(head)->index + 1;
+ jump->index = list_entry(head->prev, struct jump_key,
+ entries)->index + 1;
- CIRCLEQ_INSERT_TAIL(head, jump, entries);
+ list_add_tail(&jump->entries, head);
}
if (i > 0) {
/*
* head is optional and may be NULL
*/
-void get_symbol_str(struct gstr *r, struct symbol *sym, struct jk_head *head)
+void get_symbol_str(struct gstr *r, struct symbol *sym,
+ struct list_head *head)
{
bool hit;
struct property *prop;
str_append(r, "\n\n");
}
-struct gstr get_relations_str(struct symbol **sym_arr, struct jk_head *head)
+struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head)
{
struct symbol *sym;
struct gstr res = str_new();
struct dev_exception_item *ex, *tmp;
list_for_each_entry_safe(ex, tmp, &dev_cgroup->exceptions, list) {
- list_del(&ex->list);
- kfree(ex);
+ list_del_rcu(&ex->list);
+ kfree_rcu(ex, rcu);
}
}
struct dev_exception_item *ex;
bool match = false;
- list_for_each_entry(ex, &dev_cgroup->exceptions, list) {
+ list_for_each_entry_rcu(ex, &dev_cgroup->exceptions, list) {
if ((refex->type & DEV_BLOCK) && !(ex->type & DEV_BLOCK))
continue;
if ((refex->type & DEV_CHAR) && !(ex->type & DEV_CHAR))
*/
static inline int may_allow_all(struct dev_cgroup *parent)
{
+ if (!parent)
+ return 1;
return parent->behavior == DEVCG_DEFAULT_ALLOW;
}
int count, rc;
struct dev_exception_item ex;
struct cgroup *p = devcgroup->css.cgroup;
- struct dev_cgroup *parent = cgroup_to_devcgroup(p->parent);
+ struct dev_cgroup *parent = NULL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
+ if (p->parent)
+ parent = cgroup_to_devcgroup(p->parent);
+
memset(&ex, 0, sizeof(ex));
b = buffer;
if (!may_allow_all(parent))
return -EPERM;
dev_exception_clean(devcgroup);
+ devcgroup->behavior = DEVCG_DEFAULT_ALLOW;
+ if (!parent)
+ break;
+
rc = dev_exceptions_copy(&devcgroup->exceptions,
&parent->exceptions);
if (rc)
return rc;
- devcgroup->behavior = DEVCG_DEFAULT_ALLOW;
break;
case DEVCG_DENY:
dev_exception_clean(devcgroup);
struct es1968 *chip = tea->private_data;
unsigned long io = chip->io_port + GPIO_DATA;
u16 val = inw(io);
-
- return (val & STR_DATA) ? TEA575X_DATA : 0 |
- (val & STR_MOST) ? TEA575X_MOST : 0;
+ u8 ret;
+
+ ret = 0;
+ if (val & STR_DATA)
+ ret |= TEA575X_DATA;
+ if (val & STR_MOST)
+ ret |= TEA575X_MOST;
+ return ret;
}
static void snd_es1968_tea575x_set_direction(struct snd_tea575x *tea, bool output)
struct fm801 *chip = tea->private_data;
unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL));
struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip);
-
- return (reg & FM801_GPIO_GP(gpio.data)) ? TEA575X_DATA : 0 |
- (reg & FM801_GPIO_GP(gpio.most)) ? TEA575X_MOST : 0;
+ u8 ret;
+
+ ret = 0;
+ if (reg & FM801_GPIO_GP(gpio.data))
+ ret |= TEA575X_DATA;
+ if (reg & FM801_GPIO_GP(gpio.most))
+ ret |= TEA575X_MOST;
+ return ret;
}
static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output)
SND_PCI_QUIRK(0x106b, 0x4000, "MacbookPro 5,1", ALC889_FIXUP_IMAC91_VREF),
SND_PCI_QUIRK(0x106b, 0x4100, "Macmini 3,1", ALC889_FIXUP_IMAC91_VREF),
SND_PCI_QUIRK(0x106b, 0x4200, "Mac Pro 5,1", ALC885_FIXUP_MACPRO_GPIO),
+ SND_PCI_QUIRK(0x106b, 0x4300, "iMac 9,1", ALC889_FIXUP_IMAC91_VREF),
SND_PCI_QUIRK(0x106b, 0x4600, "MacbookPro 5,2", ALC889_FIXUP_IMAC91_VREF),
SND_PCI_QUIRK(0x106b, 0x4900, "iMac 9,1 Aluminum", ALC889_FIXUP_IMAC91_VREF),
SND_PCI_QUIRK(0x106b, 0x4a00, "Macbook 5,2", ALC889_FIXUP_IMAC91_VREF),
{
struct snd_soc_codec *codec = codec_dai->codec;
struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec);
- int ret = 0;
u8 iface = 0;
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_NB_IF:
break;
default:
- ret = -EINVAL;
+ return -EINVAL;
}
cs42l52->config.format = iface;
snd_soc_write(codec, CS42L52_IFACE_CTL1, cs42l52->config.format);
static DECLARE_TLV_DB_SCALE(digital_tlv, -6400, 50, 0);
static DECLARE_TLV_DB_SCALE(noise_tlv, 0, 600, 0);
+static const struct reg_default wm5102_sysclk_reva_patch[] = {
+ { 0x3000, 0x2225 },
+ { 0x3001, 0x3a03 },
+ { 0x3002, 0x0225 },
+ { 0x3003, 0x0801 },
+ { 0x3004, 0x6249 },
+ { 0x3005, 0x0c04 },
+ { 0x3006, 0x0225 },
+ { 0x3007, 0x5901 },
+ { 0x3008, 0xe249 },
+ { 0x3009, 0x030d },
+ { 0x300a, 0x0249 },
+ { 0x300b, 0x2c01 },
+ { 0x300c, 0xe249 },
+ { 0x300d, 0x4342 },
+ { 0x300e, 0xe249 },
+ { 0x300f, 0x73c0 },
+ { 0x3010, 0x4249 },
+ { 0x3011, 0x0c00 },
+ { 0x3012, 0x0225 },
+ { 0x3013, 0x1f01 },
+ { 0x3014, 0x0225 },
+ { 0x3015, 0x1e01 },
+ { 0x3016, 0x0225 },
+ { 0x3017, 0xfa00 },
+ { 0x3018, 0x0000 },
+ { 0x3019, 0xf000 },
+ { 0x301a, 0x0000 },
+ { 0x301b, 0xf000 },
+ { 0x301c, 0x0000 },
+ { 0x301d, 0xf000 },
+ { 0x301e, 0x0000 },
+ { 0x301f, 0xf000 },
+ { 0x3020, 0x0000 },
+ { 0x3021, 0xf000 },
+ { 0x3022, 0x0000 },
+ { 0x3023, 0xf000 },
+ { 0x3024, 0x0000 },
+ { 0x3025, 0xf000 },
+ { 0x3026, 0x0000 },
+ { 0x3027, 0xf000 },
+ { 0x3028, 0x0000 },
+ { 0x3029, 0xf000 },
+ { 0x302a, 0x0000 },
+ { 0x302b, 0xf000 },
+ { 0x302c, 0x0000 },
+ { 0x302d, 0xf000 },
+ { 0x302e, 0x0000 },
+ { 0x302f, 0xf000 },
+ { 0x3030, 0x0225 },
+ { 0x3031, 0x1a01 },
+ { 0x3032, 0x0225 },
+ { 0x3033, 0x1e00 },
+ { 0x3034, 0x0225 },
+ { 0x3035, 0x1f00 },
+ { 0x3036, 0x6225 },
+ { 0x3037, 0xf800 },
+ { 0x3038, 0x0000 },
+ { 0x3039, 0xf000 },
+ { 0x303a, 0x0000 },
+ { 0x303b, 0xf000 },
+ { 0x303c, 0x0000 },
+ { 0x303d, 0xf000 },
+ { 0x303e, 0x0000 },
+ { 0x303f, 0xf000 },
+ { 0x3040, 0x2226 },
+ { 0x3041, 0x3a03 },
+ { 0x3042, 0x0226 },
+ { 0x3043, 0x0801 },
+ { 0x3044, 0x6249 },
+ { 0x3045, 0x0c06 },
+ { 0x3046, 0x0226 },
+ { 0x3047, 0x5901 },
+ { 0x3048, 0xe249 },
+ { 0x3049, 0x030d },
+ { 0x304a, 0x0249 },
+ { 0x304b, 0x2c01 },
+ { 0x304c, 0xe249 },
+ { 0x304d, 0x4342 },
+ { 0x304e, 0xe249 },
+ { 0x304f, 0x73c0 },
+ { 0x3050, 0x4249 },
+ { 0x3051, 0x0c00 },
+ { 0x3052, 0x0226 },
+ { 0x3053, 0x1f01 },
+ { 0x3054, 0x0226 },
+ { 0x3055, 0x1e01 },
+ { 0x3056, 0x0226 },
+ { 0x3057, 0xfa00 },
+ { 0x3058, 0x0000 },
+ { 0x3059, 0xf000 },
+ { 0x305a, 0x0000 },
+ { 0x305b, 0xf000 },
+ { 0x305c, 0x0000 },
+ { 0x305d, 0xf000 },
+ { 0x305e, 0x0000 },
+ { 0x305f, 0xf000 },
+ { 0x3060, 0x0000 },
+ { 0x3061, 0xf000 },
+ { 0x3062, 0x0000 },
+ { 0x3063, 0xf000 },
+ { 0x3064, 0x0000 },
+ { 0x3065, 0xf000 },
+ { 0x3066, 0x0000 },
+ { 0x3067, 0xf000 },
+ { 0x3068, 0x0000 },
+ { 0x3069, 0xf000 },
+ { 0x306a, 0x0000 },
+ { 0x306b, 0xf000 },
+ { 0x306c, 0x0000 },
+ { 0x306d, 0xf000 },
+ { 0x306e, 0x0000 },
+ { 0x306f, 0xf000 },
+ { 0x3070, 0x0226 },
+ { 0x3071, 0x1a01 },
+ { 0x3072, 0x0226 },
+ { 0x3073, 0x1e00 },
+ { 0x3074, 0x0226 },
+ { 0x3075, 0x1f00 },
+ { 0x3076, 0x6226 },
+ { 0x3077, 0xf800 },
+ { 0x3078, 0x0000 },
+ { 0x3079, 0xf000 },
+ { 0x307a, 0x0000 },
+ { 0x307b, 0xf000 },
+ { 0x307c, 0x0000 },
+ { 0x307d, 0xf000 },
+ { 0x307e, 0x0000 },
+ { 0x307f, 0xf000 },
+ { 0x3080, 0x2227 },
+ { 0x3081, 0x3a03 },
+ { 0x3082, 0x0227 },
+ { 0x3083, 0x0801 },
+ { 0x3084, 0x6255 },
+ { 0x3085, 0x0c04 },
+ { 0x3086, 0x0227 },
+ { 0x3087, 0x5901 },
+ { 0x3088, 0xe255 },
+ { 0x3089, 0x030d },
+ { 0x308a, 0x0255 },
+ { 0x308b, 0x2c01 },
+ { 0x308c, 0xe255 },
+ { 0x308d, 0x4342 },
+ { 0x308e, 0xe255 },
+ { 0x308f, 0x73c0 },
+ { 0x3090, 0x4255 },
+ { 0x3091, 0x0c00 },
+ { 0x3092, 0x0227 },
+ { 0x3093, 0x1f01 },
+ { 0x3094, 0x0227 },
+ { 0x3095, 0x1e01 },
+ { 0x3096, 0x0227 },
+ { 0x3097, 0xfa00 },
+ { 0x3098, 0x0000 },
+ { 0x3099, 0xf000 },
+ { 0x309a, 0x0000 },
+ { 0x309b, 0xf000 },
+ { 0x309c, 0x0000 },
+ { 0x309d, 0xf000 },
+ { 0x309e, 0x0000 },
+ { 0x309f, 0xf000 },
+ { 0x30a0, 0x0000 },
+ { 0x30a1, 0xf000 },
+ { 0x30a2, 0x0000 },
+ { 0x30a3, 0xf000 },
+ { 0x30a4, 0x0000 },
+ { 0x30a5, 0xf000 },
+ { 0x30a6, 0x0000 },
+ { 0x30a7, 0xf000 },
+ { 0x30a8, 0x0000 },
+ { 0x30a9, 0xf000 },
+ { 0x30aa, 0x0000 },
+ { 0x30ab, 0xf000 },
+ { 0x30ac, 0x0000 },
+ { 0x30ad, 0xf000 },
+ { 0x30ae, 0x0000 },
+ { 0x30af, 0xf000 },
+ { 0x30b0, 0x0227 },
+ { 0x30b1, 0x1a01 },
+ { 0x30b2, 0x0227 },
+ { 0x30b3, 0x1e00 },
+ { 0x30b4, 0x0227 },
+ { 0x30b5, 0x1f00 },
+ { 0x30b6, 0x6227 },
+ { 0x30b7, 0xf800 },
+ { 0x30b8, 0x0000 },
+ { 0x30b9, 0xf000 },
+ { 0x30ba, 0x0000 },
+ { 0x30bb, 0xf000 },
+ { 0x30bc, 0x0000 },
+ { 0x30bd, 0xf000 },
+ { 0x30be, 0x0000 },
+ { 0x30bf, 0xf000 },
+ { 0x30c0, 0x2228 },
+ { 0x30c1, 0x3a03 },
+ { 0x30c2, 0x0228 },
+ { 0x30c3, 0x0801 },
+ { 0x30c4, 0x6255 },
+ { 0x30c5, 0x0c06 },
+ { 0x30c6, 0x0228 },
+ { 0x30c7, 0x5901 },
+ { 0x30c8, 0xe255 },
+ { 0x30c9, 0x030d },
+ { 0x30ca, 0x0255 },
+ { 0x30cb, 0x2c01 },
+ { 0x30cc, 0xe255 },
+ { 0x30cd, 0x4342 },
+ { 0x30ce, 0xe255 },
+ { 0x30cf, 0x73c0 },
+ { 0x30d0, 0x4255 },
+ { 0x30d1, 0x0c00 },
+ { 0x30d2, 0x0228 },
+ { 0x30d3, 0x1f01 },
+ { 0x30d4, 0x0228 },
+ { 0x30d5, 0x1e01 },
+ { 0x30d6, 0x0228 },
+ { 0x30d7, 0xfa00 },
+ { 0x30d8, 0x0000 },
+ { 0x30d9, 0xf000 },
+ { 0x30da, 0x0000 },
+ { 0x30db, 0xf000 },
+ { 0x30dc, 0x0000 },
+ { 0x30dd, 0xf000 },
+ { 0x30de, 0x0000 },
+ { 0x30df, 0xf000 },
+ { 0x30e0, 0x0000 },
+ { 0x30e1, 0xf000 },
+ { 0x30e2, 0x0000 },
+ { 0x30e3, 0xf000 },
+ { 0x30e4, 0x0000 },
+ { 0x30e5, 0xf000 },
+ { 0x30e6, 0x0000 },
+ { 0x30e7, 0xf000 },
+ { 0x30e8, 0x0000 },
+ { 0x30e9, 0xf000 },
+ { 0x30ea, 0x0000 },
+ { 0x30eb, 0xf000 },
+ { 0x30ec, 0x0000 },
+ { 0x30ed, 0xf000 },
+ { 0x30ee, 0x0000 },
+ { 0x30ef, 0xf000 },
+ { 0x30f0, 0x0228 },
+ { 0x30f1, 0x1a01 },
+ { 0x30f2, 0x0228 },
+ { 0x30f3, 0x1e00 },
+ { 0x30f4, 0x0228 },
+ { 0x30f5, 0x1f00 },
+ { 0x30f6, 0x6228 },
+ { 0x30f7, 0xf800 },
+ { 0x30f8, 0x0000 },
+ { 0x30f9, 0xf000 },
+ { 0x30fa, 0x0000 },
+ { 0x30fb, 0xf000 },
+ { 0x30fc, 0x0000 },
+ { 0x30fd, 0xf000 },
+ { 0x30fe, 0x0000 },
+ { 0x30ff, 0xf000 },
+ { 0x3100, 0x222b },
+ { 0x3101, 0x3a03 },
+ { 0x3102, 0x222b },
+ { 0x3103, 0x5803 },
+ { 0x3104, 0xe26f },
+ { 0x3105, 0x030d },
+ { 0x3106, 0x626f },
+ { 0x3107, 0x2c01 },
+ { 0x3108, 0xe26f },
+ { 0x3109, 0x4342 },
+ { 0x310a, 0xe26f },
+ { 0x310b, 0x73c0 },
+ { 0x310c, 0x026f },
+ { 0x310d, 0x0c00 },
+ { 0x310e, 0x022b },
+ { 0x310f, 0x1f01 },
+ { 0x3110, 0x022b },
+ { 0x3111, 0x1e01 },
+ { 0x3112, 0x022b },
+ { 0x3113, 0xfa00 },
+ { 0x3114, 0x0000 },
+ { 0x3115, 0xf000 },
+ { 0x3116, 0x0000 },
+ { 0x3117, 0xf000 },
+ { 0x3118, 0x0000 },
+ { 0x3119, 0xf000 },
+ { 0x311a, 0x0000 },
+ { 0x311b, 0xf000 },
+ { 0x311c, 0x0000 },
+ { 0x311d, 0xf000 },
+ { 0x311e, 0x0000 },
+ { 0x311f, 0xf000 },
+ { 0x3120, 0x022b },
+ { 0x3121, 0x0a01 },
+ { 0x3122, 0x022b },
+ { 0x3123, 0x1e00 },
+ { 0x3124, 0x022b },
+ { 0x3125, 0x1f00 },
+ { 0x3126, 0x622b },
+ { 0x3127, 0xf800 },
+ { 0x3128, 0x0000 },
+ { 0x3129, 0xf000 },
+ { 0x312a, 0x0000 },
+ { 0x312b, 0xf000 },
+ { 0x312c, 0x0000 },
+ { 0x312d, 0xf000 },
+ { 0x312e, 0x0000 },
+ { 0x312f, 0xf000 },
+ { 0x3130, 0x0000 },
+ { 0x3131, 0xf000 },
+ { 0x3132, 0x0000 },
+ { 0x3133, 0xf000 },
+ { 0x3134, 0x0000 },
+ { 0x3135, 0xf000 },
+ { 0x3136, 0x0000 },
+ { 0x3137, 0xf000 },
+ { 0x3138, 0x0000 },
+ { 0x3139, 0xf000 },
+ { 0x313a, 0x0000 },
+ { 0x313b, 0xf000 },
+ { 0x313c, 0x0000 },
+ { 0x313d, 0xf000 },
+ { 0x313e, 0x0000 },
+ { 0x313f, 0xf000 },
+ { 0x3140, 0x0000 },
+ { 0x3141, 0xf000 },
+ { 0x3142, 0x0000 },
+ { 0x3143, 0xf000 },
+ { 0x3144, 0x0000 },
+ { 0x3145, 0xf000 },
+ { 0x3146, 0x0000 },
+ { 0x3147, 0xf000 },
+ { 0x3148, 0x0000 },
+ { 0x3149, 0xf000 },
+ { 0x314a, 0x0000 },
+ { 0x314b, 0xf000 },
+ { 0x314c, 0x0000 },
+ { 0x314d, 0xf000 },
+ { 0x314e, 0x0000 },
+ { 0x314f, 0xf000 },
+ { 0x3150, 0x0000 },
+ { 0x3151, 0xf000 },
+ { 0x3152, 0x0000 },
+ { 0x3153, 0xf000 },
+ { 0x3154, 0x0000 },
+ { 0x3155, 0xf000 },
+ { 0x3156, 0x0000 },
+ { 0x3157, 0xf000 },
+ { 0x3158, 0x0000 },
+ { 0x3159, 0xf000 },
+ { 0x315a, 0x0000 },
+ { 0x315b, 0xf000 },
+ { 0x315c, 0x0000 },
+ { 0x315d, 0xf000 },
+ { 0x315e, 0x0000 },
+ { 0x315f, 0xf000 },
+ { 0x3160, 0x0000 },
+ { 0x3161, 0xf000 },
+ { 0x3162, 0x0000 },
+ { 0x3163, 0xf000 },
+ { 0x3164, 0x0000 },
+ { 0x3165, 0xf000 },
+ { 0x3166, 0x0000 },
+ { 0x3167, 0xf000 },
+ { 0x3168, 0x0000 },
+ { 0x3169, 0xf000 },
+ { 0x316a, 0x0000 },
+ { 0x316b, 0xf000 },
+ { 0x316c, 0x0000 },
+ { 0x316d, 0xf000 },
+ { 0x316e, 0x0000 },
+ { 0x316f, 0xf000 },
+ { 0x3170, 0x0000 },
+ { 0x3171, 0xf000 },
+ { 0x3172, 0x0000 },
+ { 0x3173, 0xf000 },
+ { 0x3174, 0x0000 },
+ { 0x3175, 0xf000 },
+ { 0x3176, 0x0000 },
+ { 0x3177, 0xf000 },
+ { 0x3178, 0x0000 },
+ { 0x3179, 0xf000 },
+ { 0x317a, 0x0000 },
+ { 0x317b, 0xf000 },
+ { 0x317c, 0x0000 },
+ { 0x317d, 0xf000 },
+ { 0x317e, 0x0000 },
+ { 0x317f, 0xf000 },
+ { 0x3180, 0x2001 },
+ { 0x3181, 0xf101 },
+ { 0x3182, 0x0000 },
+ { 0x3183, 0xf000 },
+ { 0x3184, 0x0000 },
+ { 0x3185, 0xf000 },
+ { 0x3186, 0x0000 },
+ { 0x3187, 0xf000 },
+ { 0x3188, 0x0000 },
+ { 0x3189, 0xf000 },
+ { 0x318a, 0x0000 },
+ { 0x318b, 0xf000 },
+ { 0x318c, 0x0000 },
+ { 0x318d, 0xf000 },
+ { 0x318e, 0x0000 },
+ { 0x318f, 0xf000 },
+ { 0x3190, 0x0000 },
+ { 0x3191, 0xf000 },
+ { 0x3192, 0x0000 },
+ { 0x3193, 0xf000 },
+ { 0x3194, 0x0000 },
+ { 0x3195, 0xf000 },
+ { 0x3196, 0x0000 },
+ { 0x3197, 0xf000 },
+ { 0x3198, 0x0000 },
+ { 0x3199, 0xf000 },
+ { 0x319a, 0x0000 },
+ { 0x319b, 0xf000 },
+ { 0x319c, 0x0000 },
+ { 0x319d, 0xf000 },
+ { 0x319e, 0x0000 },
+ { 0x319f, 0xf000 },
+ { 0x31a0, 0x0000 },
+ { 0x31a1, 0xf000 },
+ { 0x31a2, 0x0000 },
+ { 0x31a3, 0xf000 },
+ { 0x31a4, 0x0000 },
+ { 0x31a5, 0xf000 },
+ { 0x31a6, 0x0000 },
+ { 0x31a7, 0xf000 },
+ { 0x31a8, 0x0000 },
+ { 0x31a9, 0xf000 },
+ { 0x31aa, 0x0000 },
+ { 0x31ab, 0xf000 },
+ { 0x31ac, 0x0000 },
+ { 0x31ad, 0xf000 },
+ { 0x31ae, 0x0000 },
+ { 0x31af, 0xf000 },
+ { 0x31b0, 0x0000 },
+ { 0x31b1, 0xf000 },
+ { 0x31b2, 0x0000 },
+ { 0x31b3, 0xf000 },
+ { 0x31b4, 0x0000 },
+ { 0x31b5, 0xf000 },
+ { 0x31b6, 0x0000 },
+ { 0x31b7, 0xf000 },
+ { 0x31b8, 0x0000 },
+ { 0x31b9, 0xf000 },
+ { 0x31ba, 0x0000 },
+ { 0x31bb, 0xf000 },
+ { 0x31bc, 0x0000 },
+ { 0x31bd, 0xf000 },
+ { 0x31be, 0x0000 },
+ { 0x31bf, 0xf000 },
+ { 0x31c0, 0x0000 },
+ { 0x31c1, 0xf000 },
+ { 0x31c2, 0x0000 },
+ { 0x31c3, 0xf000 },
+ { 0x31c4, 0x0000 },
+ { 0x31c5, 0xf000 },
+ { 0x31c6, 0x0000 },
+ { 0x31c7, 0xf000 },
+ { 0x31c8, 0x0000 },
+ { 0x31c9, 0xf000 },
+ { 0x31ca, 0x0000 },
+ { 0x31cb, 0xf000 },
+ { 0x31cc, 0x0000 },
+ { 0x31cd, 0xf000 },
+ { 0x31ce, 0x0000 },
+ { 0x31cf, 0xf000 },
+ { 0x31d0, 0x0000 },
+ { 0x31d1, 0xf000 },
+ { 0x31d2, 0x0000 },
+ { 0x31d3, 0xf000 },
+ { 0x31d4, 0x0000 },
+ { 0x31d5, 0xf000 },
+ { 0x31d6, 0x0000 },
+ { 0x31d7, 0xf000 },
+ { 0x31d8, 0x0000 },
+ { 0x31d9, 0xf000 },
+ { 0x31da, 0x0000 },
+ { 0x31db, 0xf000 },
+ { 0x31dc, 0x0000 },
+ { 0x31dd, 0xf000 },
+ { 0x31de, 0x0000 },
+ { 0x31df, 0xf000 },
+ { 0x31e0, 0x0000 },
+ { 0x31e1, 0xf000 },
+ { 0x31e2, 0x0000 },
+ { 0x31e3, 0xf000 },
+ { 0x31e4, 0x0000 },
+ { 0x31e5, 0xf000 },
+ { 0x31e6, 0x0000 },
+ { 0x31e7, 0xf000 },
+ { 0x31e8, 0x0000 },
+ { 0x31e9, 0xf000 },
+ { 0x31ea, 0x0000 },
+ { 0x31eb, 0xf000 },
+ { 0x31ec, 0x0000 },
+ { 0x31ed, 0xf000 },
+ { 0x31ee, 0x0000 },
+ { 0x31ef, 0xf000 },
+ { 0x31f0, 0x0000 },
+ { 0x31f1, 0xf000 },
+ { 0x31f2, 0x0000 },
+ { 0x31f3, 0xf000 },
+ { 0x31f4, 0x0000 },
+ { 0x31f5, 0xf000 },
+ { 0x31f6, 0x0000 },
+ { 0x31f7, 0xf000 },
+ { 0x31f8, 0x0000 },
+ { 0x31f9, 0xf000 },
+ { 0x31fa, 0x0000 },
+ { 0x31fb, 0xf000 },
+ { 0x31fc, 0x0000 },
+ { 0x31fd, 0xf000 },
+ { 0x31fe, 0x0000 },
+ { 0x31ff, 0xf000 },
+ { 0x024d, 0xff50 },
+ { 0x0252, 0xff50 },
+ { 0x0259, 0x0112 },
+ { 0x025e, 0x0112 },
+};
+
+static int wm5102_sysclk_ev(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = w->codec;
+ struct arizona *arizona = dev_get_drvdata(codec->dev);
+ struct regmap *regmap = codec->control_data;
+ const struct reg_default *patch = NULL;
+ int i, patch_size;
+
+ switch (arizona->rev) {
+ case 0:
+ patch = wm5102_sysclk_reva_patch;
+ patch_size = ARRAY_SIZE(wm5102_sysclk_reva_patch);
+ break;
+ }
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ if (patch)
+ for (i = 0; i < patch_size; i++)
+ regmap_write(regmap, patch[i].reg,
+ patch[i].def);
+ break;
+
+ default:
+ break;
+ }
+
+ return 0;
+}
+
static const struct snd_kcontrol_new wm5102_snd_controls[] = {
SOC_SINGLE("IN1 High Performance Switch", ARIZONA_IN1L_CONTROL,
ARIZONA_IN1_OSR_SHIFT, 1, 0),
static const struct snd_soc_dapm_widget wm5102_dapm_widgets[] = {
SND_SOC_DAPM_SUPPLY("SYSCLK", ARIZONA_SYSTEM_CLOCK_1, ARIZONA_SYSCLK_ENA_SHIFT,
- 0, NULL, 0),
+ 0, wm5102_sysclk_ev, SND_SOC_DAPM_POST_PMU),
SND_SOC_DAPM_SUPPLY("ASYNCCLK", ARIZONA_ASYNC_CLOCK_1,
ARIZONA_ASYNC_CLK_ENA_SHIFT, 0, NULL, 0),
SND_SOC_DAPM_SUPPLY("OPCLK", ARIZONA_OUTPUT_SYSTEM_CLOCK,
wm8978->mclk_idx = -1;
f_sel = wm8978->f_mclk;
} else {
- if (!wm8978->f_pllout) {
+ if (!wm8978->f_opclk) {
/* We only enter here, if OPCLK is not used */
int ret = wm8978_configure_pll(codec);
if (ret < 0)
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
/*
- * write a data to saif data register to trigger
- * the transfer
+ * write data to saif data register to trigger
+ * the transfer.
+ * For 24-bit format the 32-bit FIFO register stores
+ * only one channel, so we need to write twice.
+ * This is also safe for the other non 24-bit formats.
*/
__raw_writel(0, saif->base + SAIF_DATA);
+ __raw_writel(0, saif->base + SAIF_DATA);
} else {
/*
- * read a data from saif data register to trigger
- * the receive
+ * read data from saif data register to trigger
+ * the receive.
+ * For 24-bit format the 32-bit FIFO register stores
+ * only one channel, so we need to read twice.
+ * This is also safe for the other non 24-bit formats.
*/
__raw_readl(saif->base + SAIF_DATA);
+ __raw_readl(saif->base + SAIF_DATA);
}
master_saif->ongoing = 1;
MODULE_AUTHOR("Freescale Semiconductor, Inc.");
MODULE_DESCRIPTION("MXS ASoC SAIF driver");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:mxs-saif");
select SND_SOC_WM5102
select SND_SOC_WM5110
select SND_SOC_WM9081
+ select SND_SOC_WM0010
+ select SND_SOC_WM1250_EV1
config SND_SOC_LOWLAND
tristate "Audio support for Wolfson Lowland"
{
.name = "Sub",
.stream_name = "Sub",
- .cpu_dai_name = "wm5110-aif3",
+ .cpu_dai_name = "wm5102-aif3",
.codec_dai_name = "wm9081-hifi",
.codec_name = "wm9081.1-006c",
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
val = (ucontrol->value.integer.value[0] + min) & mask;
val = val << shift;
- if (snd_soc_update_bits_locked(codec, reg, val_mask, val))
- return err;
+ err = snd_soc_update_bits_locked(codec, reg, val_mask, val);
+ if (err < 0)
+ return err;
if (snd_soc_volsw_is_stereo(mc)) {
val_mask = mask << rshift;
{
struct snd_soc_codec *codec;
- list_for_each_entry(codec, &card->codec_dev_list, list) {
+ list_for_each_entry(codec, &card->codec_dev_list, card_list) {
soc_dapm_shutdown_codec(&codec->dapm);
if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY)
snd_soc_dapm_set_bias_level(&codec->dapm,
return;
card = chip->card;
- mutex_lock(®ister_mutex);
down_write(&chip->shutdown_rwsem);
chip->shutdown = 1;
+ up_write(&chip->shutdown_rwsem);
+
+ mutex_lock(®ister_mutex);
chip->num_interfaces--;
if (chip->num_interfaces <= 0) {
snd_card_disconnect(card);
snd_usb_mixer_disconnect(p);
}
usb_chip[chip->index] = NULL;
- up_write(&chip->shutdown_rwsem);
mutex_unlock(®ister_mutex);
snd_card_free_when_closed(card);
} else {
- up_write(&chip->shutdown_rwsem);
mutex_unlock(®ister_mutex);
}
}
retval = pread(fd, msr, sizeof *msr, offset);
close(fd);
- if (retval != sizeof *msr)
+ if (retval != sizeof *msr) {
+ fprintf(stderr, "%s offset 0x%zx read failed\n", pathname, offset);
return -1;
+ }
return 0;
}
restart:
retval = for_all_cpus(get_counters, EVEN_COUNTERS);
- if (retval) {
+ if (retval < -1) {
+ exit(retval);
+ } else if (retval == -1) {
re_initialize();
goto restart;
}
}
sleep(interval_sec);
retval = for_all_cpus(get_counters, ODD_COUNTERS);
- if (retval) {
+ if (retval < -1) {
+ exit(retval);
+ } else if (retval == -1) {
re_initialize();
goto restart;
}
flush_stdout();
sleep(interval_sec);
retval = for_all_cpus(get_counters, EVEN_COUNTERS);
- if (retval) {
+ if (retval < -1) {
+ exit(retval);
+ } else if (retval == -1) {
re_initialize();
goto restart;
}
int fork_it(char **argv)
{
pid_t child_pid;
+ int status;
- for_all_cpus(get_counters, EVEN_COUNTERS);
+ status = for_all_cpus(get_counters, EVEN_COUNTERS);
+ if (status)
+ exit(status);
/* clear affinity side-effect of get_counters() */
sched_setaffinity(0, cpu_present_setsize, cpu_present_set);
gettimeofday(&tv_even, (struct timezone *)NULL);
/* child */
execvp(argv[0], argv);
} else {
- int status;
/* parent */
if (child_pid == -1) {
signal(SIGQUIT, SIG_IGN);
if (waitpid(child_pid, &status, 0) == -1) {
perror("wait");
- exit(1);
+ exit(status);
}
}
/*
fprintf(stderr, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0);
- return 0;
+ return status;
}
void cmdline(int argc, char **argv)
progname = argv[0];
- while ((opt = getopt(argc, argv, "+pPSvisc:sC:m:M:")) != -1) {
+ while ((opt = getopt(argc, argv, "+pPSvi:sc:sC:m:M:")) != -1) {
switch (opt) {
case 'p':
show_core_only++;
projects / profile / ivi / kernel-adaptation-intel-automotive.git / commitdiff