alpha: Remove set but unused variables.

This is a new warning in gcc 4.6.  Several of these variables are
used within #if 0 code, which probably ought to be removed.  Most
of the changes are legitimate cleanups.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/alpha/kernel/core_mcpcia.c b/arch/alpha/kernel/core_mcpcia.c
index 381fec0..da7bcc3 100644 (file)
--- a/arch/alpha/kernel/core_mcpcia.c
+++ b/arch/alpha/kernel/core_mcpcia.c
@@ -88,7 +88,7 @@ conf_read(unsigned long addr, unsigned char type1,
 {
        unsigned long flags;
        unsigned long mid = MCPCIA_HOSE2MID(hose->index);
-       unsigned int stat0, value, temp, cpu;
+       unsigned int stat0, value, cpu;
 
        cpu = smp_processor_id();
 
@@ -101,7 +101,7 @@ conf_read(unsigned long addr, unsigned char type1,
        stat0 = *(vuip)MCPCIA_CAP_ERR(mid);
        *(vuip)MCPCIA_CAP_ERR(mid) = stat0;
        mb();
-       temp = *(vuip)MCPCIA_CAP_ERR(mid);
+       *(vuip)MCPCIA_CAP_ERR(mid);
        DBG_CFG(("conf_read: MCPCIA_CAP_ERR(%d) was 0x%x\n", mid, stat0));
 
        mb();
@@ -136,7 +136,7 @@ conf_write(unsigned long addr, unsigned int value, unsigned char type1,
 {
        unsigned long flags;
        unsigned long mid = MCPCIA_HOSE2MID(hose->index);
-       unsigned int stat0, temp, cpu;
+       unsigned int stat0, cpu;
 
        cpu = smp_processor_id();
 
@@ -145,7 +145,7 @@ conf_write(unsigned long addr, unsigned int value, unsigned char type1,
        /* Reset status register to avoid losing errors.  */
        stat0 = *(vuip)MCPCIA_CAP_ERR(mid);
        *(vuip)MCPCIA_CAP_ERR(mid) = stat0; mb();
-       temp = *(vuip)MCPCIA_CAP_ERR(mid);
+       *(vuip)MCPCIA_CAP_ERR(mid);
        DBG_CFG(("conf_write: MCPCIA CAP_ERR(%d) was 0x%x\n", mid, stat0));
 
        draina();
@@ -157,7 +157,7 @@ conf_write(unsigned long addr, unsigned int value, unsigned char type1,
        *((vuip)addr) = value;
        mb();
        mb();  /* magic */
-       temp = *(vuip)MCPCIA_CAP_ERR(mid); /* read to force the write */
+       *(vuip)MCPCIA_CAP_ERR(mid); /* read to force the write */
        mcheck_expected(cpu) = 0;
        mb();
 
@@ -572,12 +572,10 @@ mcpcia_print_system_area(unsigned long la_ptr)
 void
 mcpcia_machine_check(unsigned long vector, unsigned long la_ptr)
 {
-       struct el_common *mchk_header;
        struct el_MCPCIA_uncorrected_frame_mcheck *mchk_logout;
        unsigned int cpu = smp_processor_id();
        int expected;
 
-       mchk_header = (struct el_common *)la_ptr;
        mchk_logout = (struct el_MCPCIA_uncorrected_frame_mcheck *)la_ptr;
        expected = mcheck_expected(cpu);
 

diff --git a/arch/alpha/kernel/err_titan.c b/arch/alpha/kernel/err_titan.c
index c3b3781..14b26c4 100644 (file)
--- a/arch/alpha/kernel/err_titan.c
+++ b/arch/alpha/kernel/err_titan.c
@@ -533,8 +533,6 @@ static struct el_subpacket_annotation el_titan_annotations[] = {
 static struct el_subpacket *
 el_process_regatta_subpacket(struct el_subpacket *header)
 {
-       int status;
-
        if (header->class != EL_CLASS__REGATTA_FAMILY) {
                printk("%s  ** Unexpected header CLASS %d TYPE %d, aborting\n",
                       err_print_prefix,
@@ -551,7 +549,7 @@ el_process_regatta_subpacket(struct el_subpacket *header)
                printk("%s  ** Occurred on CPU %d:\n", 
                       err_print_prefix,
                       (int)header->by_type.regatta_frame.cpuid);
-               status = privateer_process_logout_frame((struct el_common *)
+               privateer_process_logout_frame((struct el_common *)
                        header->by_type.regatta_frame.data_start, 1);
                break;
        default:

diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
index d2634e4..edbddcb 100644 (file)
--- a/arch/alpha/kernel/setup.c
+++ b/arch/alpha/kernel/setup.c
@@ -1404,8 +1404,6 @@ determine_cpu_caches (unsigned int cpu_type)
        case PCA56_CPU:
        case PCA57_CPU:
          {
-               unsigned long cbox_config, size;
-
                if (cpu_type == PCA56_CPU) {
                        L1I = CSHAPE(16*1024, 6, 1);
                        L1D = CSHAPE(8*1024, 5, 1);
@@ -1415,10 +1413,12 @@ determine_cpu_caches (unsigned int cpu_type)
                }
                L3 = -1;
 
+#if 0
+               unsigned long cbox_config, size;
+
                cbox_config = *(vulp) phys_to_virt (0xfffff00008UL);
                size = 512*1024 * (1 << ((cbox_config >> 12) & 3));
 
-#if 0
                L2 = ((cbox_config >> 31) & 1 ? CSHAPE (size, 6, 1) : -1);
 #else
                L2 = external_cache_probe(512*1024, 6);

diff --git a/arch/alpha/kernel/smc37c93x.c b/arch/alpha/kernel/smc37c93x.c
index 3e6a289..6886b83 100644 (file)
--- a/arch/alpha/kernel/smc37c93x.c
+++ b/arch/alpha/kernel/smc37c93x.c
@@ -79,7 +79,6 @@
 static unsigned long __init SMCConfigState(unsigned long baseAddr)
 {
        unsigned char devId;
-       unsigned char devRev;
 
        unsigned long configPort;
        unsigned long indexPort;
@@ -100,7 +99,7 @@ static unsigned long __init SMCConfigState(unsigned long baseAddr)
                devId = inb(dataPort);
                if (devId == VALID_DEVICE_ID) {
                        outb(DEVICE_REV, indexPort);
-                       devRev = inb(dataPort);
+                       /* unsigned char devRev = */ inb(dataPort);
                        break;
                }
                else

diff --git a/arch/alpha/kernel/sys_wildfire.c b/arch/alpha/kernel/sys_wildfire.c
index d3cb28b..d92cdc7 100644 (file)
--- a/arch/alpha/kernel/sys_wildfire.c
+++ b/arch/alpha/kernel/sys_wildfire.c
@@ -156,7 +156,6 @@ static void __init
 wildfire_init_irq_per_pca(int qbbno, int pcano)
 {
        int i, irq_bias;
-       unsigned long io_bias;
        static struct irqaction isa_enable = {
                .handler        = no_action,
                .name           = "isa_enable",
@@ -165,10 +164,12 @@ wildfire_init_irq_per_pca(int qbbno, int pcano)
        irq_bias = qbbno * (WILDFIRE_PCA_PER_QBB * WILDFIRE_IRQ_PER_PCA)
                 + pcano * WILDFIRE_IRQ_PER_PCA;
 
+#if 0
+       unsigned long io_bias;
+
        /* Only need the following for first PCI bus per PCA. */
        io_bias = WILDFIRE_IO(qbbno, pcano<<1) - WILDFIRE_IO_BIAS;
 
-#if 0
        outb(0, DMA1_RESET_REG + io_bias);
        outb(0, DMA2_RESET_REG + io_bias);
        outb(DMA_MODE_CASCADE, DMA2_MODE_REG + io_bias);