lkml.org 
[lkml]   [2008]   [Apr]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 07/12] proc: switch /proc/excite/unit_id to seq_file interface
Date
Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru>
---

arch/mips/basler/excite/excite_procfs.c | 28 ++++++++++++++++++++--------
1 file changed, 20 insertions(+), 8 deletions(-)

--- a/arch/mips/basler/excite/excite_procfs.c
+++ b/arch/mips/basler/excite/excite_procfs.c
@@ -18,8 +18,9 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-
+#include <linux/module.h>
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#include <linux/stat.h>
#include <asm/page.h>
#include <asm/io.h>
@@ -28,14 +29,25 @@

#include <excite.h>

-static int excite_get_unit_id(char *buf, char **addr, off_t offs, int size)
+static int excite_unit_id_proc_show(struct seq_file *m, void *v)
{
- const int len = snprintf(buf, PAGE_SIZE, "%06x", unit_id);
- const int w = len - offs;
- *addr = buf + offs;
- return w < size ? w : size;
+ seq_printf(m, "%06x", unit_id);
+ return 0;
}

+static int excite_unit_id_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, excite_unit_id_proc_show, NULL);
+}
+
+static const struct file_operations excite_unit_id_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = excite_unit_id_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
static int
excite_bootrom_read(char *page, char **start, off_t off, int count,
int *eof, void *data)
@@ -69,8 +81,8 @@ void excite_procfs_init(void)
if (pdir) {
struct proc_dir_entry * e;

- e = create_proc_info_entry("unit_id", S_IRUGO, pdir,
- excite_get_unit_id);
+ e = proc_create("unit_id", S_IRUGO, pdir,
+ &excite_unit_id_proc_fops);
if (e) e->size = 6;

e = create_proc_read_entry("bootrom", S_IRUGO, pdir,
--
1.5.4.3


\
 
 \ /
  Last update: 2008-04-08 17:01    [W:0.034 / U:0.248 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site