[PATCH 04/14] ASoC: mediatek: mt8195: Fix timing system clock error handling
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COLD22d
SUPERSEDED
From: <hidden>
Date: 2026-09-25 04:50:16
Also in:
linux-mediatek, linux-sound, lkml
Subsystem:
sound, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers:
Jaroslav Kysela, Takashi Iwai, Liam Girdwood, Mark Brown, Linus Torvalds
Status: Superseded by v3 (posted 2026-10-14). [go to v3]
Revision v1 (3 revisions archived).
Revisions (3)
- v1 current
- v2 [diff against previous]
- v3 [diff against previous]
From: bui duc phuc <redacted>
Check the return value of mt8195_afe_enable_clk() when enabling the
timing system clocks.
If enabling a clock fails, disable the clocks that were already
enabled and propagate the error to the caller. In
mt8195_afe_enable_main_clock(), return the error instead of continuing
with AFE clock enable.
Fixes: 6746cc858259 ("ASoC: mediatek: mt8195: add platform driver")
Signed-off-by: bui duc phuc <redacted>
---
sound/soc/mediatek/mt8195/mt8195-afe-clk.c | 21 +++++++++++++++++----
1 file changed, 17 insertions(+), 4 deletions(-)
diff --git a/sound/soc/mediatek/mt8195/mt8195-afe-clk.c b/sound/soc/mediatek/mt8195/mt8195-afe-clk.c
index 34c828fdea29..ef7a62fba6ec 100644
--- a/sound/soc/mediatek/mt8195/mt8195-afe-clk.c
+++ b/sound/soc/mediatek/mt8195/mt8195-afe-clk.c@@ -662,7 +662,7 @@ static int mt8195_afe_disable_afe_on(struct mtk_base_afe *afe) static int mt8195_afe_enable_timing_sys(struct mtk_base_afe *afe) { struct mt8195_afe_private *afe_priv = afe->platform_priv; - int i; + int i, ret; static const unsigned int clk_array[] = { MT8195_CLK_AUD_A1SYS, MT8195_CLK_AUD_A2SYS,
@@ -673,13 +673,22 @@ static int mt8195_afe_enable_timing_sys(struct mtk_base_afe *afe) MT8195_TOP_CG_26M_TIMING, }; - for (i = 0; i < ARRAY_SIZE(clk_array); i++) - mt8195_afe_enable_clk(afe, afe_priv->clk[clk_array[i]]); + for (i = 0; i < ARRAY_SIZE(clk_array); i++) { + ret = mt8195_afe_enable_clk(afe, afe_priv->clk[clk_array[i]]); + if (ret) + goto err_disable_clk; + } for (i = 0; i < ARRAY_SIZE(cg_array); i++) mt8195_afe_enable_top_cg(afe, cg_array[i]); return 0; + +err_disable_clk: + while (--i >= 0) + mt8195_afe_disable_clk(afe, afe_priv->clk[clk_array[i]]); + + return ret; } static int mt8195_afe_disable_timing_sys(struct mtk_base_afe *afe)
@@ -707,7 +716,11 @@ static int mt8195_afe_disable_timing_sys(struct mtk_base_afe *afe) int mt8195_afe_enable_main_clock(struct mtk_base_afe *afe) { - mt8195_afe_enable_timing_sys(afe); + int ret; + + ret = mt8195_afe_enable_timing_sys(afe); + if (ret) + return ret; mt8195_afe_enable_afe_on(afe);
--
2.43.0