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| author | Arnd Bergmann <arnd@arndb.de> | 2010-06-01 22:53:01 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-08-10 13:47:43 -0700 |
| commit | ec79d6056de58511d8e46d9ae59d3878f958dc3e (patch) | |
| tree | 8e73cf399c4cb3c31dbf3caced385cfc018a706a /drivers/serial/crisv10.c | |
| parent | 3f582b8c11014e4ce310d9839fb335164195333f (diff) | |
| download | linux-ec79d6056de58511d8e46d9ae59d3878f958dc3e.tar.gz linux-ec79d6056de58511d8e46d9ae59d3878f958dc3e.tar.bz2 linux-ec79d6056de58511d8e46d9ae59d3878f958dc3e.zip | |
tty: replace BKL with a new tty_lock
As a preparation for replacing the big kernel lock
in the TTY layer, wrap all the callers in new
macros tty_lock, tty_lock_nested and tty_unlock.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/serial/crisv10.c')
| -rw-r--r-- | drivers/serial/crisv10.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c index 30626440a062..f848e188deae 100644 --- a/drivers/serial/crisv10.c +++ b/drivers/serial/crisv10.c @@ -3935,7 +3935,7 @@ static void rs_wait_until_sent(struct tty_struct *tty, int timeout) * Check R_DMA_CHx_STATUS bit 0-6=number of available bytes in FIFO * R_DMA_CHx_HWSW bit 31-16=nbr of bytes left in DMA buffer (0=64k) */ - lock_kernel(); + tty_lock_nested(); /* locked already when coming from close */ orig_jiffies = jiffies; while (info->xmit.head != info->xmit.tail || /* More in send queue */ (*info->ostatusadr & 0x007f) || /* more in FIFO */ @@ -3952,7 +3952,7 @@ static void rs_wait_until_sent(struct tty_struct *tty, int timeout) curr_time_usec - info->last_tx_active_usec; } set_current_state(TASK_RUNNING); - unlock_kernel(); + tty_unlock(); } /* |