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authorLinus Torvalds <torvalds@linux-foundation.org>2013-05-01 17:51:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-05-01 17:51:54 -0700
commit20b4fb485227404329e41ad15588afad3df23050 (patch)
treef3e099f0ab3da8a93b447203e294d2bb22f6dc05 /arch/h8300
parentb9394d8a657cd3c064fa432aa0905c1b58b38fe9 (diff)
parentac3e3c5b1164397656df81b9e9ab4991184d3236 (diff)
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull VFS updates from Al Viro, Misc cleanups all over the place, mainly wrt /proc interfaces (switch create_proc_entry to proc_create(), get rid of the deprecated create_proc_read_entry() in favor of using proc_create_data() and seq_file etc). 7kloc removed. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (204 commits) don't bother with deferred freeing of fdtables proc: Move non-public stuff from linux/proc_fs.h to fs/proc/internal.h proc: Make the PROC_I() and PDE() macros internal to procfs proc: Supply a function to remove a proc entry by PDE take cgroup_open() and cpuset_open() to fs/proc/base.c ppc: Clean up scanlog ppc: Clean up rtas_flash driver somewhat hostap: proc: Use remove_proc_subtree() drm: proc: Use remove_proc_subtree() drm: proc: Use minor->index to label things, not PDE->name drm: Constify drm_proc_list[] zoran: Don't print proc_dir_entry data in debug reiserfs: Don't access the proc_dir_entry in r_open(), r_start() r_show() proc: Supply an accessor for getting the data from a PDE's parent airo: Use remove_proc_subtree() rtl8192u: Don't need to save device proc dir PDE rtl8187se: Use a dir under /proc/net/r8180/ proc: Add proc_mkdir_data() proc: Move some bits from linux/proc_fs.h to linux/{of.h,signal.h,tty.h} proc: Move PDE_NET() to fs/proc/proc_net.c ...
Diffstat (limited to 'arch/h8300')
-rw-r--r--arch/h8300/kernel/gpio.c35
1 files changed, 20 insertions, 15 deletions
diff --git a/arch/h8300/kernel/gpio.c b/arch/h8300/kernel/gpio.c
index 6a25dd5530e7..b02c752cd326 100644
--- a/arch/h8300/kernel/gpio.c
+++ b/arch/h8300/kernel/gpio.c
@@ -11,6 +11,7 @@
#include <linux/stddef.h>
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/fs.h>
@@ -138,30 +139,34 @@ static char *port_status(int portno)
return result;
}
-static int gpio_proc_read(char *buf, char **start, off_t offset,
- int len, int *unused_i, void *unused_v)
+static int gpio_proc_show(struct seq_file *m, void *v)
{
- int c,outlen;
static const char port_name[]="123456789ABCDEFGH";
- outlen = 0;
+ int c;
+
for (c = 0; c < MAX_PORT; c++) {
if (ddrs[c] == NULL)
- continue ;
- len = sprintf(buf,"P%c: %s\n",port_name[c],port_status(c));
- buf += len;
- outlen += len;
+ continue;
+ seq_printf(m, "P%c: %s\n", port_name[c], port_status(c));
}
- return outlen;
+ return 0;
}
-static __init int register_proc(void)
+static int gpio_proc_open(struct inode *inode, struct file *file)
{
- struct proc_dir_entry *proc_gpio;
+ return single_open(file, gpio_proc_show, PDE_DATA(inode));
+}
- proc_gpio = create_proc_entry("gpio", S_IRUGO, NULL);
- if (proc_gpio)
- proc_gpio->read_proc = gpio_proc_read;
- return proc_gpio != NULL;
+static const struct file_operations gpio_proc_fops = {
+ .open = gpio_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+
+static __init int register_proc(void)
+{
+ return proc_create("gpio", S_IRUGO, NULL, &gpio_proc_fops) != NULL;
}
__initcall(register_proc);