AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

proc tty: switch sdio_uart to ->proc_fops

Browse Source 
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>
This commit is contained in:
Alexey Dobriyan 2009-03-31 15:19:20 -07:00 committed by Linus Torvalds
parent e6c8dd8a5c
commit 201a50ba66
1 changed files with 31 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

64
drivers/mmc/card/sdio_uart.c
View File

@ -30,6 +30,7 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/mutex.h>
#include <linux/seq_file.h>
#include <linux/serial_reg.h>
#include <linux/circ_buf.h>
#include <linux/gfp.h>
@ -933,67 +934,64 @@ static int sdio_uart_tiocmset(struct tty_struct *tty, struct file *file,
return result;
}
static int sdio_uart_read_proc(char *page, char **start, off_t off,
int count, int *eof, void *data)
static int sdio_uart_proc_show(struct seq_file *m, void *v)
{
int i, len = 0;
off_t begin = 0;
int i;
len += sprintf(page, "serinfo:1.0 driver%s%s revision:%s\n",
seq_printf(m, "serinfo:1.0 driver%s%s revision:%s\n",
"", "", "");
for (i = 0; i < UART_NR && len < PAGE_SIZE - 96; i++) {
for (i = 0; i < UART_NR; i++) {
struct sdio_uart_port *port = sdio_uart_port_get(i);
if (port) {
len += sprintf(page+len, "%d: uart:SDIO", i);
seq_printf(m, "%d: uart:SDIO", i);
if(capable(CAP_SYS_ADMIN)) {
len += sprintf(page + len, " tx:%d rx:%d",
seq_printf(m, " tx:%d rx:%d",
port->icount.tx, port->icount.rx);
if (port->icount.frame)
len += sprintf(page + len, " fe:%d",
seq_printf(m, " fe:%d",
port->icount.frame);
if (port->icount.parity)
len += sprintf(page + len, " pe:%d",
seq_printf(m, " pe:%d",
port->icount.parity);
if (port->icount.brk)
len += sprintf(page + len, " brk:%d",
seq_printf(m, " brk:%d",
port->icount.brk);
if (port->icount.overrun)
len += sprintf(page + len, " oe:%d",
seq_printf(m, " oe:%d",
port->icount.overrun);
if (port->icount.cts)
len += sprintf(page + len, " cts:%d",
seq_printf(m, " cts:%d",
port->icount.cts);
if (port->icount.dsr)
len += sprintf(page + len, " dsr:%d",
seq_printf(m, " dsr:%d",
port->icount.dsr);
if (port->icount.rng)
len += sprintf(page + len, " rng:%d",
seq_printf(m, " rng:%d",
port->icount.rng);
if (port->icount.dcd)
len += sprintf(page + len, " dcd:%d",
seq_printf(m, " dcd:%d",
port->icount.dcd);
}
strcat(page, "\n");
len++;
sdio_uart_port_put(port);
}
if (len + begin > off + count)
goto done;
if (len + begin < off) {
begin += len;
len = 0;
seq_putc(m, '\n');
}
}
*eof = 1;
done:
if (off >= len + begin)
return 0;
*start = page + (off - begin);
return (count < begin + len - off) ? count : (begin + len - off);
return 0;
}
static int sdio_uart_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, sdio_uart_proc_show, NULL);
}
static const struct file_operations sdio_uart_proc_fops = {
.owner = THIS_MODULE,
.open = sdio_uart_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static const struct tty_operations sdio_uart_ops = {
.open = sdio_uart_open,
.close = sdio_uart_close,
@ -1007,7 +1005,7 @@ static const struct tty_operations sdio_uart_ops = {
.break_ctl = sdio_uart_break_ctl,
.tiocmget = sdio_uart_tiocmget,
.tiocmset = sdio_uart_tiocmset,
.read_proc = sdio_uart_read_proc,
.proc_fops = &sdio_uart_proc_fops,
};
static struct tty_driver *sdio_uart_tty_driver;