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Commit 1d8227c7 authored by Yaniv Gardi's avatar Yaniv Gardi
Browse files

scsi: ufs: Allowing power mode change 



Due to M-PHY issues, moving from HS to any other mode or gear or
even Hibern8 causes some un-predicted behavior of the device.
This patch fixes this issues.

Change-Id: I4540e30703aa1212099b2316e158b09e311c7420
Signed-off-by: default avatarYaniv Gardi <ygardi@codeaurora.org>
parent 66619aa7

drivers/scsi/ufs/ufshcd.c

+5 −1
Original line number Diff line number Diff line
@@ -2066,9 +2066,13 @@ static int ufshcd_link_startup(struct ufs_hba *hba) 
			goto out;

	} while (ret && retries--);



	if (ret)

	if (ret) {

		/* failed to get the link up... retire */

		goto out;

	} else {

		ufshcd_dme_set(hba, UIC_ARG_MIB(TX_LCC_ENABLE), 0);

		ufshcd_dme_set(hba, UIC_ARG_MIB(TX_LCC_ENABLE), 1);

	}



	/* Include any host controller configuration via UIC commands */

	if (hba->vops && hba->vops->link_startup_notify) {

drivers/scsi/ufs/unipro.h

+5 −0
Original line number Diff line number Diff line
@@ -12,6 +12,11 @@ 
#ifndef _UNIPRO_H_

#define _UNIPRO_H_



/*

 * M-TX Configuration Attributes

 */

#define TX_LCC_ENABLE		0x2C



/*

 * PHY Adpater attributes

 */