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| author | Chen Ni <nichen@iscas.ac.cn> | 2024-04-03 07:33:49 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-05-17 12:42:39 +0300 |
| commit | 47325095299e50d274da30525f7b41d638c22a8e (patch) | |
| tree | 4fe6aec7912c3c018676ebe6fc19205170291296 | |
| parent | 510e7b18fdad4b55849d7a73b8ff2c3e8ad2f7af (diff) | |
| download | linux-47325095299e50d274da30525f7b41d638c22a8e.tar.xz | |
ata: sata_gemini: Check clk_enable() result
[ Upstream commit e85006ae7430aef780cc4f0849692e266a102ec0 ]
The call to clk_enable() in gemini_sata_start_bridge() can fail.
Add a check to detect such failure.
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/ata/sata_gemini.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/ata/sata_gemini.c b/drivers/ata/sata_gemini.c index 64b43943f650..f7b4ed572ce0 100644 --- a/drivers/ata/sata_gemini.c +++ b/drivers/ata/sata_gemini.c @@ -200,7 +200,10 @@ int gemini_sata_start_bridge(struct sata_gemini *sg, unsigned int bridge) pclk = sg->sata0_pclk; else pclk = sg->sata1_pclk; - clk_enable(pclk); + ret = clk_enable(pclk); + if (ret) + return ret; + msleep(10); /* Do not keep clocking a bridge that is not online */ |