diff options
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/Kconfig | 2 | ||||
| -rw-r--r-- | arch/blackfin/include/asm/uaccess.h | 32 | ||||
| -rw-r--r-- | arch/blackfin/kernel/vmlinux.lds.S | 1 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf561/coreb.c | 13 |
4 files changed, 23 insertions, 25 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 28c63fea786d..3c1bd640042a 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -26,7 +26,7 @@ config BLACKFIN select HAVE_OPROFILE select HAVE_PERF_EVENTS select ARCH_HAVE_CUSTOM_GPIO_H - select ARCH_REQUIRE_GPIOLIB + select GPIOLIB select HAVE_UID16 select HAVE_UNDERSCORE_SYMBOL_PREFIX select VIRT_TO_BUS diff --git a/arch/blackfin/include/asm/uaccess.h b/arch/blackfin/include/asm/uaccess.h index 0a2a70096d8b..0eff88aa6d6a 100644 --- a/arch/blackfin/include/asm/uaccess.h +++ b/arch/blackfin/include/asm/uaccess.h @@ -163,18 +163,29 @@ static inline int bad_user_access_length(void) : "a" (__ptr(ptr))); \ }) -#define __copy_from_user(to, from, n) copy_from_user(to, from, n) -#define __copy_to_user(to, from, n) copy_to_user(to, from, n) #define __copy_to_user_inatomic __copy_to_user #define __copy_from_user_inatomic __copy_from_user static inline unsigned long __must_check +__copy_from_user(void *to, const void __user *from, unsigned long n) +{ + memcpy(to, (const void __force *)from, n); + return 0; +} + +static inline unsigned long __must_check +__copy_to_user(void __user *to, const void *from, unsigned long n) +{ + memcpy((void __force *)to, from, n); + SSYNC(); + return 0; +} + +static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n) { - if (likely(access_ok(VERIFY_READ, from, n))) { - memcpy(to, (const void __force *)from, n); - return 0; - } + if (likely(access_ok(VERIFY_READ, from, n))) + return __copy_from_user(to, from, n); memset(to, 0, n); return n; } @@ -182,12 +193,9 @@ copy_from_user(void *to, const void __user *from, unsigned long n) static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n) { - if (access_ok(VERIFY_WRITE, to, n)) - memcpy((void __force *)to, from, n); - else - return n; - SSYNC(); - return 0; + if (likely(access_ok(VERIFY_WRITE, to, n))) + return __copy_to_user(to, from, n); + return n; } /* diff --git a/arch/blackfin/kernel/vmlinux.lds.S b/arch/blackfin/kernel/vmlinux.lds.S index d920b959ff3a..68069a120055 100644 --- a/arch/blackfin/kernel/vmlinux.lds.S +++ b/arch/blackfin/kernel/vmlinux.lds.S @@ -33,6 +33,7 @@ SECTIONS #ifndef CONFIG_SCHEDULE_L1 SCHED_TEXT #endif + CPUIDLE_TEXT LOCK_TEXT IRQENTRY_TEXT SOFTIRQENTRY_TEXT diff --git a/arch/blackfin/mach-bf561/coreb.c b/arch/blackfin/mach-bf561/coreb.c index 78ecb50bafc8..8a2543c654b3 100644 --- a/arch/blackfin/mach-bf561/coreb.c +++ b/arch/blackfin/mach-bf561/coreb.c @@ -59,18 +59,7 @@ static struct miscdevice coreb_dev = { .name = "coreb", .fops = &coreb_fops, }; - -static int __init bf561_coreb_init(void) -{ - return misc_register(&coreb_dev); -} -module_init(bf561_coreb_init); - -static void __exit bf561_coreb_exit(void) -{ - misc_deregister(&coreb_dev); -} -module_exit(bf561_coreb_exit); +module_misc_device(coreb_dev); MODULE_AUTHOR("Bas Vermeulen <bvermeul@blackstar.xs4all.nl>"); MODULE_DESCRIPTION("BF561 Core B Support"); |
