*
* This is a Linux kernel compatibility layer for USB Gadget
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __LIN_COMPAT_H__
#define __LIN_COMPAT_H__
+#include <linux/compat.h>
+
/* common */
#define spin_lock_init(...)
#define spin_lock(...)
#define mutex_lock(...)
#define mutex_unlock(...)
-#define WARN_ON(x) if (x) {printf("WARNING in %s line %d\n" \
- , __FILE__, __LINE__); }
-
-#define KERN_WARNING
-#define KERN_ERR
-#define KERN_NOTICE
-#define KERN_DEBUG
-
#define GFP_KERNEL 0
#define IRQ_HANDLED 1
#define ENOTSUPP 524 /* Operation is not supported */
-#define kmalloc(size, type) memalign(CONFIG_SYS_CACHELINE_SIZE, size)
-#define kfree(addr) free(addr)
+#define BITS_PER_BYTE 8
+#define BITS_TO_LONGS(nr) \
+ DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
+#define DECLARE_BITMAP(name, bits) \
+ unsigned long name[BITS_TO_LONGS(bits)]
+
+#define small_const_nbits(nbits) \
+ (__builtin_constant_p(nbits) && (nbits) <= BITS_PER_LONG)
+
+static inline void bitmap_zero(unsigned long *dst, int nbits)
+{
+ if (small_const_nbits(nbits))
+ *dst = 0UL;
+ else {
+ int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);
+ memset(dst, 0, len);
+ }
+}
-#define __iomem
-#define min_t min
#define dma_cache_maint(addr, size, mode) cache_flush()
void cache_flush(void);