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authorCan Guo <cang@codeaurora.org>2021-01-28 03:49:27 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2021-01-29 19:44:30 +0100
commit80d892f4b26f7f4ab7e8910252c371bdec44cca7 (patch)
tree8e551e77fb95c3c949348325831f9a5cbbf64ed2 /drivers/scsi
parentscsi: lpfc: Fix 'physical' typos (diff)
downloadlinux-80d892f4b26f7f4ab7e8910252c371bdec44cca7.tar.xz
linux-80d892f4b26f7f4ab7e8910252c371bdec44cca7.zip
scsi: ufs: Give clk scaling min gear a value
The initialization of clk_scaling.min_gear was removed by mistake. This change adds it back, otherwise clock scaling down would fail. Link: https://lore.kernel.org/r/1611802172-37802-1-git-send-email-cang@codeaurora.org Fixes: 4543d9d78227 ("scsi: ufs: Refactor ufshcd_init/exit_clk_scaling/gating()") Reported-by: Bjorn Andersson <bjorn.andersson@linaro.org> Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org> Tested-by: Bean Huo <beanhuo@micron.com> Reviewed-by: Stanley Chu <stanley.chu@mediatek.com> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Bean Huo <beanhuo@micron.com> Signed-off-by: Can Guo <cang@codeaurora.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/ufs/ufshcd.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index f0700a36379d..45624c757cd1 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -1602,6 +1602,9 @@ static void ufshcd_init_clk_scaling(struct ufs_hba *hba)
if (!ufshcd_is_clkscaling_supported(hba))
return;
+ if (!hba->clk_scaling.min_gear)
+ hba->clk_scaling.min_gear = UFS_HS_G1;
+
INIT_WORK(&hba->clk_scaling.suspend_work,
ufshcd_clk_scaling_suspend_work);
INIT_WORK(&hba->clk_scaling.resume_work,