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ata: sata_gemini: Check clk_enable() result
[ Upstream commit e85006ae74
]
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>
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1 changed files with 4 additions and 1 deletions
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@ -201,7 +201,10 @@ int gemini_sata_start_bridge(struct sata_gemini *sg, unsigned int bridge)
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pclk = sg->sata0_pclk;
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else
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pclk = sg->sata1_pclk;
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clk_enable(pclk);
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ret = clk_enable(pclk);
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if (ret)
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return ret;
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msleep(10);
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/* Do not keep clocking a bridge that is not online */
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