From: Chen Ni <nichen@xxxxxxxxxxx> [ 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@xxxxxxxxxxx> Signed-off-by: Damien Le Moal <dlemoal@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/ata/sata_gemini.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/ata/sata_gemini.c b/drivers/ata/sata_gemini.c index 400b22ee99c33..4c270999ba3cc 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 */ -- 2.43.0
