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Commit 1f950ab0 authored by Asutosh Das's avatar Asutosh Das Committed by Can Guo
Browse files

scsi: ufs: full reinit upon resume if link was off 



During suspend, if the link is put to off, it would require
a full initialization during resume.
This patch resets and restores both the hba and the card
during initialization.

Change-Id: I37b36c51ca1b475d8f8dfd2d9b1f098c917c86e4
Signed-off-by: default avatarAsutosh Das <asutoshd@codeaurora.org>
parent 8957d187

drivers/scsi/ufs/ufshcd.c

+6 −2
Original line number Diff line number Diff line
@@ -9384,9 +9384,13 @@ static int ufshcd_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op) 
			goto vendor_suspend;

		}

	} else if (ufshcd_is_link_off(hba)) {

		ret = ufshcd_host_reset_and_restore(hba);

		/*

		 * ufshcd_host_reset_and_restore() should have already

		 * A full initialization of the host and the device is required

		 * since the link was put to off during suspend.

		 */

		ret = ufshcd_reset_and_restore(hba);

		/*

		 * ufshcd_reset_and_restore() should have already

		 * set the link state as active

		 */

		if (ret || !ufshcd_is_link_active(hba))