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authorAlexey Dobriyan <adobriyan@gmail.com>2009-03-31 18:19:23 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-01 11:59:10 -0400
commitbf54215ef86a1bd83affd8ecdf833c053aefb49d (patch)
treec0e69715b1c439d0f54f06daedfe455386b01b2b /arch/ia64/hp/sim/simserial.c
parentd594027d62808f6649b273544ab8c19ed5b98fd1 (diff)
proc tty: switch ia64 simserial to ->proc_fops
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/ia64/hp/sim/simserial.c')
-rw-r--r--arch/ia64/hp/sim/simserial.c49
1 files changed, 24 insertions, 25 deletions
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index 24b1ad5334cb..2bef5261d96d 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -24,6 +24,7 @@
24#include <linux/major.h> 24#include <linux/major.h>
25#include <linux/fcntl.h> 25#include <linux/fcntl.h>
26#include <linux/mm.h> 26#include <linux/mm.h>
27#include <linux/seq_file.h>
27#include <linux/slab.h> 28#include <linux/slab.h>
28#include <linux/capability.h> 29#include <linux/capability.h>
29#include <linux/console.h> 30#include <linux/console.h>
@@ -848,38 +849,36 @@ static int rs_open(struct tty_struct *tty, struct file * filp)
848 * /proc fs routines.... 849 * /proc fs routines....
849 */ 850 */
850 851
851static inline int line_info(char *buf, struct serial_state *state) 852static inline void line_info(struct seq_file *m, struct serial_state *state)
852{ 853{
853 return sprintf(buf, "%d: uart:%s port:%lX irq:%d\n", 854 seq_printf(m, "%d: uart:%s port:%lX irq:%d\n",
854 state->line, uart_config[state->type].name, 855 state->line, uart_config[state->type].name,
855 state->port, state->irq); 856 state->port, state->irq);
856} 857}
857 858
858static int rs_read_proc(char *page, char **start, off_t off, int count, 859static int rs_proc_show(struct seq_file *m, void *v)
859 int *eof, void *data)
860{ 860{
861 int i, len = 0, l; 861 int i;
862 off_t begin = 0; 862
863 863 seq_printf(m, "simserinfo:1.0 driver:%s\n", serial_version);
864 len += sprintf(page, "simserinfo:1.0 driver:%s\n", serial_version); 864 for (i = 0; i < NR_PORTS; i++)
865 for (i = 0; i < NR_PORTS && len < 4000; i++) { 865 line_info(m, &rs_table[i]);
866 l = line_info(page + len, &rs_table[i]); 866 return 0;
867 len += l;
868 if (len+begin > off+count)
869 goto done;
870 if (len+begin < off) {
871 begin += len;
872 len = 0;
873 }
874 }
875 *eof = 1;
876done:
877 if (off >= len+begin)
878 return 0;
879 *start = page + (begin-off);
880 return ((count < begin+len-off) ? count : begin+len-off);
881} 867}
882 868
869static int rs_proc_open(struct inode *inode, struct file *file)
870{
871 return single_open(file, rs_proc_show, NULL);
872}
873
874static const struct file_operations rs_proc_fops = {
875 .owner = THIS_MODULE,
876 .open = rs_proc_open,
877 .read = seq_read,
878 .llseek = seq_lseek,
879 .release = single_release,
880};
881
883/* 882/*
884 * --------------------------------------------------------------------- 883 * ---------------------------------------------------------------------
885 * rs_init() and friends 884 * rs_init() and friends
@@ -917,7 +916,7 @@ static const struct tty_operations hp_ops = {
917 .start = rs_start, 916 .start = rs_start,
918 .hangup = rs_hangup, 917 .hangup = rs_hangup,
919 .wait_until_sent = rs_wait_until_sent, 918 .wait_until_sent = rs_wait_until_sent,
920 .read_proc = rs_read_proc, 919 .proc_fops = &rs_proc_fops,
921}; 920};
922 921
923/* 922/*