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From c22a0c1ce0ec4c468dcbdaff05d18f366522af9b 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 | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/gpu/drm/v3d/v3d_drv.c
+++ b/drivers/gpu/drm/v3d/v3d_drv.c
@@ -302,10 +302,10 @@ 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");
- goto dev_free;
+ 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));
+ return PTR_ERR(v3d->clk);
}
v3d->clk_up_rate = clk_get_rate(v3d->clk);
/* For downclocking, drop it to the minimum frequency we can get from
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