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Commit 8fa52ab6 authored by Asutosh Das's avatar Asutosh Das
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scsi: ufshcd: Turn-off Vdd-hba during suspend 



Turn-off Vdd-hba of ufs when link is not off.
This will not prevent CxPC.

Change-Id: I70dc95a2b4f2001ce052877f698930adb6b4b72b
Signed-off-by: default avatarAsutosh Das <asutoshd@codeaurora.org>
parent a546e4ea

drivers/scsi/ufs/ufshcd.c

+18 −0
Original line number Diff line number Diff line
@@ -8026,6 +8026,23 @@ static int ufshcd_vreg_set_hpm(struct ufs_hba *hba) 
	return ret;

}



#if defined(CONFIG_SCSI_UFSHCD_QTI)

static void ufshcd_hba_vreg_set_lpm(struct ufs_hba *hba)

{

	if (ufshcd_is_link_off(hba) ||

	    (ufshcd_is_link_hibern8(hba)

	     && ufshcd_is_power_collapse_during_hibern8_allowed(hba)))

		ufshcd_setup_hba_vreg(hba, false);

}



static void ufshcd_hba_vreg_set_hpm(struct ufs_hba *hba)

{

	if (ufshcd_is_link_off(hba) ||

	    (ufshcd_is_link_hibern8(hba)

	     && ufshcd_is_power_collapse_during_hibern8_allowed(hba)))

		ufshcd_setup_hba_vreg(hba, true);

}

#else

static void ufshcd_hba_vreg_set_lpm(struct ufs_hba *hba)

{

	if (ufshcd_is_link_off(hba))
@@ -8037,6 +8054,7 @@ static void ufshcd_hba_vreg_set_hpm(struct ufs_hba *hba) 
	if (ufshcd_is_link_off(hba))

		ufshcd_setup_hba_vreg(hba, true);

}

#endif



/**

 * ufshcd_suspend - helper function for suspend operations