mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

scsi: ufs: qcom: Align programing of unipro clk attributes 

Currently CORE_CLK_1US_CYCLES, PA_VS_CORE_CLK_40NS_CYCLES are configured
in clk scaling post change ops. This is not aligning to HPG.

Move this to clk scaling pre change ops to align completely with hardware
specification.

Co-developed-by: Naveen Kumar Goud Arepalli <quic_narepall@quicinc.com>
Signed-off-by: Naveen Kumar Goud Arepalli <quic_narepall@quicinc.com>
Signed-off-by: Nitin Rawat <quic_nitirawa@quicinc.com>
Link: https://lore.kernel.org/r/20230905052400.13935-5-quic_nitirawa@quicinc.com
Reviewed-by: Can Guo <quic_cang@quicinc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Nitin Rawat 2023-09-05 10:53:59 +05:30 committed by Martin K. Petersen
parent a53dfc0083
commit 3091181bee
1 changed files with 5 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/ufs/host/ufs-qcom.c
View File

@ -1416,12 +1416,6 @@ static int ufs_qcom_set_core_clk_ctrl(struct ufs_hba *hba, bool is_scale_up)
}
static int ufs_qcom_clk_scale_up_pre_change(struct ufs_hba *hba)
{
/* nothing to do as of now */
return 0;
}
static int ufs_qcom_clk_scale_up_post_change(struct ufs_hba *hba)
{
struct ufs_qcom_host *host = ufshcd_get_variant(hba);
@ -1432,6 +1426,11 @@ static int ufs_qcom_clk_scale_up_post_change(struct ufs_hba *hba)
return ufs_qcom_set_core_clk_ctrl(hba, true);
}
static int ufs_qcom_clk_scale_up_post_change(struct ufs_hba *hba)
{
return 0;
}
static int ufs_qcom_clk_scale_down_pre_change(struct ufs_hba *hba)
{
struct ufs_qcom_host *host = ufshcd_get_variant(hba);