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authorMaciej W. Rozycki <macro@linux-mips.org>2005-06-16 20:49:03 +0000
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 19:31:27 +0100
commit2e2849670a740128307a770dd8b5213c31081cf2 (patch)
treea56db6adab90db88037186a9e2f47ef2e9c70f51 /drivers/tc
parent260c96738cf30f489108cd0fb3f10dcd11cbb5ca (diff)
downloadlinux-linaro-stable-2e2849670a740128307a770dd8b5213c31081cf2.tar.gz
Remove left-over unused bits.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'drivers/tc')
-rw-r--r--drivers/tc/zs.c12
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/tc/zs.c b/drivers/tc/zs.c
index a5dab1ac568c..0e302ae5924c 100644
--- a/drivers/tc/zs.c
+++ b/drivers/tc/zs.c
@@ -192,18 +192,6 @@ static void probe_sccs(void);
static void change_speed(struct dec_serial *info);
static void rs_wait_until_sent(struct tty_struct *tty, int timeout);
-/*
- * tmp_buf is used as a temporary buffer by serial_write. We need to
- * lock it in case the copy_from_user blocks while swapping in a page,
- * and some other program tries to do a serial write at the same time.
- * Since the lock will only come under contention when the system is
- * swapping and available memory is low, it makes sense to share one
- * buffer across all the serial ports, since it significantly saves
- * memory if large numbers of serial ports are open.
- */
-static unsigned char tmp_buf[4096]; /* This is cheating */
-static DECLARE_MUTEX(tmp_buf_sem);
-
static inline int serial_paranoia_check(struct dec_serial *info,
char *name, const char *routine)
{