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path: root/drivers/media/video/cx18/cx18-mailbox.c
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Diffstat (limited to 'drivers/media/video/cx18/cx18-mailbox.c')
-rw-r--r--drivers/media/video/cx18/cx18-mailbox.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/media/video/cx18/cx18-mailbox.c b/drivers/media/video/cx18/cx18-mailbox.c
index 0c7796e76ac0..ed8118390b02 100644
--- a/drivers/media/video/cx18/cx18-mailbox.c
+++ b/drivers/media/video/cx18/cx18-mailbox.c
@@ -595,9 +595,8 @@ void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu)
static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[])
{
const struct cx18_api_info *info = find_api_info(cmd);
- u32 state, irq, req, ack, err;
+ u32 irq, req, ack, err;
struct cx18_mailbox __iomem *mb;
- u32 __iomem *xpu_state;
wait_queue_head_t *waitq;
struct mutex *mb_lock;
unsigned long int t0, timeout, ret;
@@ -628,14 +627,12 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[])
mb_lock = &cx->epu2apu_mb_lock;
irq = IRQ_EPU_TO_APU;
mb = &cx->scb->epu2apu_mb;
- xpu_state = &cx->scb->apu_state;
break;
case CPU:
waitq = &cx->mb_cpu_waitq;
mb_lock = &cx->epu2cpu_mb_lock;
irq = IRQ_EPU_TO_CPU;
mb = &cx->scb->epu2cpu_mb;
- xpu_state = &cx->scb->cpu_state;
break;
default:
CX18_WARN("Unknown RPU (%d) for API call\n", info->rpu);
@@ -653,7 +650,6 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[])
* by a signal, we may get here and find a busy mailbox. After waiting,
* mark it "not busy" from our end, if the XPU hasn't ack'ed it still.
*/
- state = cx18_readl(cx, xpu_state);
req = cx18_readl(cx, &mb->request);
timeout = msecs_to_jiffies(10);
ret = wait_event_timeout(*waitq,