Merge tag 'iommu-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
[linux/fpc-iii.git] / include / asm-generic / flat.h
blob1928a359693861c3e8880f491591888e6b5cff92
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_GENERIC_FLAT_H
3 #define _ASM_GENERIC_FLAT_H
5 #include <linux/uaccess.h>
7 static inline int flat_get_addr_from_rp(u32 __user *rp, u32 relval, u32 flags,
8 u32 *addr)
10 #ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
11 return copy_from_user(addr, rp, 4) ? -EFAULT : 0;
12 #else
13 return get_user(*addr, rp);
14 #endif
17 static inline int flat_put_addr_at_rp(u32 __user *rp, u32 addr, u32 rel)
19 #ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
20 return copy_to_user(rp, &addr, 4) ? -EFAULT : 0;
21 #else
22 return put_user(addr, rp);
23 #endif
26 #endif /* _ASM_GENERIC_FLAT_H */