X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fchar%2Fnvram.c;h=a39f19c35a6a8bd6fa2673f916069039f6142b6a;hb=refs%2Fheads%2Fvserver;hp=b5f32d65e5453d37513b962699949bb307890400;hpb=9213980e6a70d8473e0ffd4b39ab5b6caaba9ff5;p=linux-2.6.git diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c index b5f32d65e..a39f19c35 100644 --- a/drivers/char/nvram.c +++ b/drivers/char/nvram.c @@ -37,7 +37,6 @@ #define NVRAM_VERSION "1.2" #include -#include #include #include #include @@ -133,7 +132,7 @@ #include #include -static spinlock_t nvram_state_lock = SPIN_LOCK_UNLOCKED; +static DEFINE_SPINLOCK(nvram_state_lock); static int nvram_open_cnt; /* #times opened */ static int nvram_open_mode; /* special open modes */ #define NVRAM_WRITE 1 /* opened for writing (exclusive) */ @@ -211,12 +210,13 @@ nvram_check_checksum(void) return rv; } -void +static void __nvram_set_checksum(void) { mach_set_checksum(); } +#if 0 void nvram_set_checksum(void) { @@ -226,6 +226,7 @@ nvram_set_checksum(void) __nvram_set_checksum(); spin_unlock_irqrestore(&rtc_lock, flags); } +#endif /* 0 */ /* * The are the file operation function for user access to /dev/nvram @@ -436,7 +437,7 @@ nvram_read_proc(char *buffer, char **start, off_t offset, #endif /* CONFIG_PROC_FS */ -static struct file_operations nvram_fops = { +static const struct file_operations nvram_fops = { .owner = THIS_MODULE, .llseek = nvram_llseek, .read = nvram_read, @@ -467,7 +468,7 @@ nvram_init(void) NVRAM_MINOR); goto out; } - if (!create_proc_read_entry("driver/nvram", 0, 0, nvram_read_proc, + if (!create_proc_read_entry("driver/nvram", 0, NULL, nvram_read_proc, NULL)) { printk(KERN_ERR "nvram: can't create /proc/driver/nvram\n"); ret = -ENOMEM; @@ -485,7 +486,7 @@ nvram_init(void) static void __exit nvram_cleanup_module(void) { - remove_proc_entry("driver/nvram", 0); + remove_proc_entry("driver/nvram", NULL); misc_deregister(&nvram_dev); } @@ -555,13 +556,13 @@ pc_proc_infos(unsigned char *nvram, char *buffer, int *len, (nvram[6] & 1) ? (nvram[6] >> 6) + 1 : 0); PRINT_PROC("Floppy 0 type : "); type = nvram[2] >> 4; - if (type < sizeof (floppy_types) / sizeof (*floppy_types)) + if (type < ARRAY_SIZE(floppy_types)) PRINT_PROC("%s\n", floppy_types[type]); else PRINT_PROC("%d (unknown)\n", type); PRINT_PROC("Floppy 1 type : "); type = nvram[2] & 0x0f; - if (type < sizeof (floppy_types) / sizeof (*floppy_types)) + if (type < ARRAY_SIZE(floppy_types)) PRINT_PROC("%s\n", floppy_types[type]); else PRINT_PROC("%d (unknown)\n", type); @@ -841,8 +842,6 @@ static char *colors[] = { "2", "4", "16", "256", "65536", "??", "??", "??" }; -#define fieldsize(a) (sizeof(a)/sizeof(*a)) - static int atari_proc_infos(unsigned char *nvram, char *buffer, int *len, off_t *begin, off_t offset, int size) @@ -854,7 +853,7 @@ atari_proc_infos(unsigned char *nvram, char *buffer, int *len, PRINT_PROC("Checksum status : %svalid\n", checksum ? "" : "not "); PRINT_PROC("Boot preference : "); - for (i = fieldsize(boot_prefs) - 1; i >= 0; --i) { + for (i = ARRAY_SIZE(boot_prefs) - 1; i >= 0; --i) { if (nvram[1] == boot_prefs[i].val) { PRINT_PROC("%s\n", boot_prefs[i].name); break; @@ -876,12 +875,12 @@ atari_proc_infos(unsigned char *nvram, char *buffer, int *len, return 1; PRINT_PROC("OS language : "); - if (nvram[6] < fieldsize(languages)) + if (nvram[6] < ARRAY_SIZE(languages)) PRINT_PROC("%s\n", languages[nvram[6]]); else PRINT_PROC("%u (undefined)\n", nvram[6]); PRINT_PROC("Keyboard language: "); - if (nvram[7] < fieldsize(languages)) + if (nvram[7] < ARRAY_SIZE(languages)) PRINT_PROC("%s\n", languages[nvram[7]]); else PRINT_PROC("%u (undefined)\n", nvram[7]); @@ -921,6 +920,4 @@ EXPORT_SYMBOL(__nvram_write_byte); EXPORT_SYMBOL(nvram_write_byte); EXPORT_SYMBOL(__nvram_check_checksum); EXPORT_SYMBOL(nvram_check_checksum); -EXPORT_SYMBOL(__nvram_set_checksum); -EXPORT_SYMBOL(nvram_set_checksum); MODULE_ALIAS_MISCDEV(NVRAM_MINOR);