openwrt/target/linux/bcm27xx/patches-5.4/950-0361-v3d_drv-Handle-missing-clock-more-gracefully.patch
Álvaro Fernández Rojas a1383655cf bcm27xx: add linux 5.4 support
Tested on bcm2710 (Raspberry Pi 3B).

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2020-02-29 12:50:51 +01:00

26 lines
845 B
Diff

From 43406ddc1adaebe9b03d010fd024a96cee139cc2 Mon Sep 17 00:00:00 2001
From: popcornmix <popcornmix@gmail.com>
Date: Fri, 23 Aug 2019 16:34:38 +0100
Subject: [PATCH] v3d_drv: Handle missing clock more gracefully
Signed-off-by: popcornmix <popcornmix@gmail.com>
---
drivers/gpu/drm/v3d/v3d_drv.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/gpu/drm/v3d/v3d_drv.c
+++ b/drivers/gpu/drm/v3d/v3d_drv.c
@@ -286,9 +286,9 @@ static int v3d_platform_drm_probe(struct
}
v3d->clk = devm_clk_get(dev, NULL);
- if (IS_ERR(v3d->clk)) {
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "Failed to get clock\n");
+ if (IS_ERR_OR_NULL(v3d->clk)) {
+ if (PTR_ERR(v3d->clk) != -EPROBE_DEFER)
+ dev_err(dev, "Failed to get clock (%ld)\n", PTR_ERR(v3d->clk));
goto dev_free;
}
v3d->clk_up_rate = clk_get_rate(v3d->clk);