media: camss: vfe-170: fix "VFE halt timeout" error
authorJonathan Marek <jonathan@marek.ca>
Wed, 22 Dec 2021 00:37:45 +0000 (01:37 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 8 Apr 2022 12:23:12 +0000 (14:23 +0200)
[ Upstream commit 1ce8c48b06f249a9739e36c5d56883f6f49ce047 ]

This function waits for halt_complete but doesn't do anything to cause
it to complete, and always hits the "VFE halt timeout" error. Just delete
this code for now.

Fixes: 7319cdf189bb ("media: camss: Add support for VFE hardware version Titan 170")
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Tested-by: Julian Grahsl <jgrahsl@snap.com>
Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/media/platform/qcom/camss/camss-vfe-170.c

index 8594d275b41d19374cbed0e452a4bb95d25e5fee..02cb8005504a26333146de9576b50acd9cfa2f9f 100644 (file)
@@ -399,17 +399,7 @@ static irqreturn_t vfe_isr(int irq, void *dev)
  */
 static int vfe_halt(struct vfe_device *vfe)
 {
-       unsigned long time;
-
-       reinit_completion(&vfe->halt_complete);
-
-       time = wait_for_completion_timeout(&vfe->halt_complete,
-                                          msecs_to_jiffies(VFE_HALT_TIMEOUT_MS));
-       if (!time) {
-               dev_err(vfe->camss->dev, "VFE halt timeout\n");
-               return -EIO;
-       }
-
+       /* rely on vfe_disable_output() to stop the VFE */
        return 0;
 }