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[23/30,SRU,Jammy] UBUNTU: SAUCE: ljca: switch wait event to uninterruptible

Message ID 20220117151928.954829-24-vicamo.yang@canonical.com
State New
Headers show
Series Support Intel IPU6 MIPI camera on Alder Lake platforms | expand

Commit Message

You-Sheng Yang Jan. 17, 2022, 3:19 p.m. UTC 
From: Ye Xiang <xiang.ye@intel.com>

BugLink: https://bugs.launchpad.net/bugs/1955383

Change ack wait queue to uninterruptible to avoid
unexpected signal interrupt normal hardware transaction.

Signed-off-by: Ye Xiang <xiang.ye@intel.com>
(cherry picked from commit 1ec53c517383e7537e66e80049788578c2c1ccba github.com/intel/ivsc-driver)
Signed-off-by: You-Sheng Yang <vicamo.yang@canonical.com>
---
 drivers/mfd/ljca.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/mfd/ljca.c b/drivers/mfd/ljca.c
index 95baf04a4457..64d4b48565e4 100644
--- a/drivers/mfd/ljca.c
+++ b/drivers/mfd/ljca.c
@@ -352,7 +352,7 @@  static int ljca_stub_write(struct ljca_stub *stub, u8 cmd, const void *obuf,
 	usb_autopm_put_interface(ljca->intf);
 
 	if (wait_ack) {
-		ret = wait_event_interruptible_timeout(
+		ret = wait_event_timeout(
 			ljca->ack_wq, stub->acked,
 			msecs_to_jiffies(USB_WRITE_ACK_TIMEOUT));
 		if (!ret || !stub->acked) {