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| author | Samuel Iglesias Gonsalvez <siglesias@igalia.com> | 2012-06-25 17:15:47 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-06-25 10:50:01 -0700 |
| commit | 59d6a29e554d891a513476c13a6657825f8be270 (patch) | |
| tree | 8b74279bc671c54689117cfb877e74ba5cbf00a6 | |
| parent | bae8bd165ae3fee0573eb7eb377a479cf26e4277 (diff) | |
| download | linux-59d6a29e554d891a513476c13a6657825f8be270.tar.bz2 | |
Staging: ipack/devices/ipoctal: remove unneeded lock in IRQ handler
In the rest of the code, the data is protected with spin_lock_irqsave().
Signed-off-by: Samuel Iglesias Gonsalvez <siglesias@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/staging/ipack/devices/ipoctal.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/staging/ipack/devices/ipoctal.c b/drivers/staging/ipack/devices/ipoctal.c index b11126dfc006..ec7b2f9c89ad 100644 --- a/drivers/staging/ipack/devices/ipoctal.c +++ b/drivers/staging/ipack/devices/ipoctal.c @@ -299,7 +299,7 @@ static int ipoctal_irq_handler(void *arg) ipoctal->nb_bytes[channel] = 0; continue; } - spin_lock(&ipoctal->lock[channel]); + value = ipoctal->tty_port[channel].xmit_buf[*pointer_write]; ipoctal_write_io_reg(ipoctal, &ipoctal->chan_regs[channel].u.w.thr, @@ -309,7 +309,6 @@ static int ipoctal_irq_handler(void *arg) (*pointer_write)++; *pointer_write = *pointer_write % PAGE_SIZE; ipoctal->nb_bytes[channel]--; - spin_unlock(&ipoctal->lock[channel]); if ((ipoctal->nb_bytes[channel] == 0) && (waitqueue_active(&ipoctal->queue[channel]))) { |