evie/android_kernel_oneplus_msm8998
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scsi: ufs-msm: fix issue with setting the ref_clk enable flag

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Fix missing update of ref_clk enable reference count when the
clocks are enabled and also enable shutting down the phy and
device during system suspend.

Change-Id: I7772cd87e0d0528ab5dbe6ea9f09e6d02c86f96c
Signed-off-by: Sujit Reddy Thumma <sthumma@codeaurora.org>
This commit is contained in:
Sujit Reddy Thumma 2013-10-03 21:58:12 -07:00 • committed by David Keitel
parent f8ef801c9e
commit bf14b36ec0
1 changed files with 6 additions and 3 deletions
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9
drivers/scsi/ufs/ufs-msm.c
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@ -1045,6 +1045,8 @@ static int msm_ufs_enable_phy_ref_clk(struct msm_ufs_phy *phy)
__func__, ret);
goto out_disable_parent;
}
phy->is_ref_clk_enabled = true;
goto out;
out_disable_parent:
@ -1501,11 +1503,12 @@ static int msm_ufs_init(struct ufs_hba *hba)
msm_ufs_advertise_quirks(hba);
if (hba->quirks & UFSHCD_QUIRK_BROKEN_SUSPEND) {
/*
* During runtime suspend and system suspend keep the device
* and the link active but shut-off the system clocks.
* During runtime suspend keep the device and the link active
* but shut-off the system clocks. During system suspend power
* off both link and device.
*/
hba->rpm_lvl = UFS_PM_LVL_0;
hba->spm_lvl = UFS_PM_LVL_0;
hba->spm_lvl = UFS_PM_LVL_4;
} else if (hba->quirks & UFSHCD_QUIRK_BROKEN_HIBERN8) {
/*