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Message-Id: <200804081857.48631.adobriyan@sw.ru>
Date: Tue, 8 Apr 2008 18:57:48 +0400
From: Alexey Dobriyan <adobriyan@...ru>
To: akpm@...l.org
Cc: devel@...nvz.org, linux-kernel@...r.kernel.org
Subject: [PATCH 07/12] proc: switch /proc/excite/unit_id to seq_file interface
Signed-off-by: Alexey Dobriyan <adobriyan@...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
--
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