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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-06-04 17:38:44 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-06-04 17:38:44 -0700 |
commit | 9489a0625854cd7482bb0e8b37de4406cdcd49e0 (patch) | |
tree | c82ee4612784001fa2e8b550378973fd00456d23 /arch | |
parent | edeb280e49d38a5330db25463ef45f5466b0058a (diff) | |
parent | 399dc43bc29fe1ac19340c56c0df84aa0ea53c85 (diff) | |
download | linux-9489a0625854cd7482bb0e8b37de4406cdcd49e0.tar.gz linux-9489a0625854cd7482bb0e8b37de4406cdcd49e0.tar.bz2 linux-9489a0625854cd7482bb0e8b37de4406cdcd49e0.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc: switch /proc/led to seq_file
sparc64: IO accessors fix
Diffstat (limited to 'arch')
-rw-r--r-- | arch/sparc/kernel/led.c | 34 |
1 files changed, 21 insertions, 13 deletions
diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c index 59e9344e7a0d..adaaed4ea2fb 100644 --- a/arch/sparc/kernel/led.c +++ b/arch/sparc/kernel/led.c @@ -2,6 +2,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <linux/string.h> #include <linux/jiffies.h> #include <linux/timer.h> @@ -45,21 +46,22 @@ static void led_blink(unsigned long timeout) add_timer(&led_blink_timer); } -static int led_read_proc(char *buf, char **start, off_t offset, int count, - int *eof, void *data) +static int led_proc_show(struct seq_file *m, void *v) { - int len = 0; - if (get_auxio() & AUXIO_LED) - len = sprintf(buf, "on\n"); + seq_puts(m, "on\n"); else - len = sprintf(buf, "off\n"); + seq_puts(m, "off\n"); + return 0; +} - return len; +static int led_proc_open(struct inode *inode, struct file *file) +{ + return single_open(file, led_proc_show, NULL); } -static int led_write_proc(struct file *file, const char __user *buffer, - unsigned long count, void *data) +static ssize_t led_proc_write(struct file *file, const char __user *buffer, + size_t count, loff_t *ppos) { char *buf = NULL; @@ -103,6 +105,15 @@ static int led_write_proc(struct file *file, const char __user *buffer, return count; } +static const struct file_operations led_proc_fops = { + .owner = THIS_MODULE, + .open = led_proc_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, + .write = led_proc_write, +}; + static struct proc_dir_entry *led; #define LED_VERSION "0.1" @@ -112,12 +123,9 @@ static int __init led_init(void) init_timer(&led_blink_timer); led_blink_timer.function = led_blink; - led = create_proc_entry("led", 0, NULL); + led = proc_create("led", 0, NULL, &led_proc_fops); if (!led) return -ENOMEM; - - led->read_proc = led_read_proc; /* reader function */ - led->write_proc = led_write_proc; /* writer function */ led->owner = THIS_MODULE; printk(KERN_INFO |