Openwrt/target/linux/bcm27xx/patches-5.4/950-1024-media-bcm2835-unicam-Correctly-handle-error-propagat.patch
Álvaro Fernández Rojas f07e572f64 bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G
bcm2710: boot tested on RPi 3B v1.2
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2021-02-18 23:42:32 +01:00

28 lines
1021 B
Diff

From 85dae0158c3ba741e2cb815879b4d5d55b3254d7 Mon Sep 17 00:00:00 2001
From: Naushir Patuck <naush@raspberrypi.com>
Date: Wed, 2 Dec 2020 15:22:23 +0000
Subject: [PATCH] media: bcm2835-unicam: Correctly handle error
propagation for stream on
On a failure in start_streaming(), the error code would not propagate to
the calling function on all conditions. This would cause the userland
caller to not know of the failure.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
---
drivers/media/platform/bcm2835/bcm2835-unicam.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/drivers/media/platform/bcm2835/bcm2835-unicam.c
+++ b/drivers/media/platform/bcm2835/bcm2835-unicam.c
@@ -1730,8 +1730,7 @@ err_disable_unicam:
unicam_disable(dev);
clk_disable_unprepare(dev->clock);
err_vpu_clock:
- ret = clk_set_min_rate(dev->vpu_clock, 0);
- if (ret)
+ if (clk_set_min_rate(dev->vpu_clock, 0))
unicam_err(dev, "failed to reset the VPU clock\n");
clk_disable_unprepare(dev->vpu_clock);
err_pm_put: