Just the modem bits this time
Signed-off-by: Alan Cox <[EMAIL PROTECTED]>
diff -u --new-file --recursive --exclude-from /usr/src/exclude
linux.vanilla-2.6.25-rc2-mm1/drivers/serial/crisv10.c
linux-2.6.25-rc2-mm1/drivers/serial/crisv10.c
--- linux.vanilla-2.6.25-rc2-mm1/drivers/serial/crisv10.c 2008-02-19
11:03:01.000000000 +0000
+++ linux-2.6.25-rc2-mm1/drivers/serial/crisv10.c 2008-02-20
11:52:24.000000000 +0000
@@ -3581,6 +3581,8 @@
unsigned int set, unsigned int clear)
{
struct e100_serial *info = (struct e100_serial *)tty->driver_data;
+
+ lock_kernel();
if (clear & TIOCM_RTS)
e100_rts(info, 0);
@@ -3601,6 +3603,8 @@
e100_ri_out(info, 1);
if (set & TIOCM_CD)
e100_cd_out(info, 1);
+
+ unlock_kernel();
return 0;
}
@@ -3610,6 +3614,7 @@
struct e100_serial *info = (struct e100_serial *)tty->driver_data;
unsigned int result;
+ lock_kernel();
result =
(!E100_RTS_GET(info) ? TIOCM_RTS : 0)
| (!E100_DTR_GET(info) ? TIOCM_DTR : 0)
@@ -3617,6 +3622,8 @@
| (!E100_DSR_GET(info) ? TIOCM_DSR : 0)
| (!E100_CD_GET(info) ? TIOCM_CAR : 0)
| (!E100_CTS_GET(info) ? TIOCM_CTS : 0);
+
+ unlock_kernel();
#ifdef SERIAL_DEBUG_IO
printk(KERN_DEBUG "ser%i: modem state: %i 0x%08X\n",
--
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