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scsi: ufs: Remove redundant null checking of devfreq instance 

hba->devfreq is zero-initialized thus it is not required to check its
existence in ufshcd_add_lus() function which is invoked during
initialization only.

Link: https://lore.kernel.org/r/20210120150142.5049-3-stanley.chu@mediatek.com
Reviewed-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Stanley Chu 2021-01-20 23:01:41 +08:00 committed by Martin K. Petersen
parent f9a7fa345a
commit b058fa8682
1 changed files with 7 additions and 8 deletions
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15
drivers/scsi/ufs/ufshcd.c
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@ -7768,15 +7768,14 @@ static int ufshcd_add_lus(struct ufs_hba *hba)
&hba->pwr_info,
sizeof(struct ufs_pa_layer_attr));
hba->clk_scaling.saved_pwr_info.is_valid = true;
if (!hba->devfreq) {
hba->clk_scaling.is_allowed = true;
ret = ufshcd_devfreq_init(hba);
if (ret)
goto out;
hba->clk_scaling.is_allowed = true;
hba->clk_scaling.is_enabled = true;
ufshcd_init_clk_scaling_sysfs(hba);
}
ret = ufshcd_devfreq_init(hba);
if (ret)
goto out;
hba->clk_scaling.is_enabled = true;
ufshcd_init_clk_scaling_sysfs(hba);
}
ufs_bsg_probe(hba);