Since commit 65f037e8e908 ("drm/etnaviv: add support for slave interface
clock") the reg clock is enabled before the bus clock and we need to undo
its enablement on error.
Fixes: 65f037e8e908 ("drm/etnaviv: add support for slave interface clock")
Signed-off-by: Lubomir Rintel <lkund...@v3.sk>
---
drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index a31eeff2b297..c6dacfe3d321 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -1496,7 +1496,7 @@ static int etnaviv_gpu_clk_enable(struct etnaviv_gpu *gpu)
if (gpu->clk_bus) {
ret = clk_prepare_enable(gpu->clk_bus);
if (ret)
- return ret;
+ goto disable_clk_reg;
}
if (gpu->clk_core) {
@@ -1519,6 +1519,9 @@ static int etnaviv_gpu_clk_enable(struct etnaviv_gpu *gpu)
disable_clk_bus:
if (gpu->clk_bus)
clk_disable_unprepare(gpu->clk_bus);
+disable_clk_reg:
+ if (gpu->clk_reg)
+ clk_disable_unprepare(gpu->clk_reg);
return ret;
}
--
2.26.2
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