Commit 2e2849670a740128307a770dd8b5213c31081cf2
Committed by
Ralf Baechle
Ralf Baechle
1 parent
260c96738c
Exists in
master
and in
4 other branches
Remove left-over unused bits.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Showing 1 changed file with 0 additions and 12 deletions Side-by-side Diff
drivers/tc/zs.c
| ... | ... | @@ -192,18 +192,6 @@ |
| 192 | 192 | static void change_speed(struct dec_serial *info); |
| 193 | 193 | static void rs_wait_until_sent(struct tty_struct *tty, int timeout); |
| 194 | 194 | |
| 195 | -/* | |
| 196 | - * tmp_buf is used as a temporary buffer by serial_write. We need to | |
| 197 | - * lock it in case the copy_from_user blocks while swapping in a page, | |
| 198 | - * and some other program tries to do a serial write at the same time. | |
| 199 | - * Since the lock will only come under contention when the system is | |
| 200 | - * swapping and available memory is low, it makes sense to share one | |
| 201 | - * buffer across all the serial ports, since it significantly saves | |
| 202 | - * memory if large numbers of serial ports are open. | |
| 203 | - */ | |
| 204 | -static unsigned char tmp_buf[4096]; /* This is cheating */ | |
| 205 | -static DECLARE_MUTEX(tmp_buf_sem); | |
| 206 | - | |
| 207 | 195 | static inline int serial_paranoia_check(struct dec_serial *info, |
| 208 | 196 | char *name, const char *routine) |
| 209 | 197 | { |