diff options
Diffstat (limited to 'arch/cris/arch-v32/drivers/sync_serial.c')
| -rw-r--r-- | arch/cris/arch-v32/drivers/sync_serial.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/cris/arch-v32/drivers/sync_serial.c b/arch/cris/arch-v32/drivers/sync_serial.c index 219f704e322..bbb806b6883 100644 --- a/arch/cris/arch-v32/drivers/sync_serial.c +++ b/arch/cris/arch-v32/drivers/sync_serial.c @@ -19,6 +19,7 @@ #include <linux/init.h> #include <linux/timer.h> #include <linux/spinlock.h> +#include <linux/wait.h> #include <asm/io.h> #include <dma.h> @@ -1144,7 +1145,8 @@ static ssize_t sync_serial_read(struct file * file, char * buf, if (file->f_flags & O_NONBLOCK) return -EAGAIN; - interruptible_sleep_on(&port->in_wait_q); + wait_event_interruptible(port->in_wait_q, + !(start == end && !port->full)); if (signal_pending(current)) return -EINTR; |