Commit f48b285a authored by Stanley Chu's avatar Stanley Chu Committed by Martin K. Petersen
Browse files

scsi: ufs-mediatek: Customize WriteBooster flush policy 

Change the WriteBooster policy to keep VCC on during runtime suspend if
available WriteBooster buffer is less than 80%.

Link: https://lore.kernel.org/r/20200509093716.21010-5-stanley.chu@mediatek.com


Reviewed-by: default avatarAsutosh Das <asutoshd@codeaurora.org>
Signed-off-by: default avatarStanley Chu <stanley.chu@mediatek.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent d14734ae

drivers/scsi/ufs/ufs-mediatek.c

+1 −0
Original line number Diff line number Diff line
@@ -271,6 +271,7 @@ static int ufs_mtk_init(struct ufs_hba *hba) 


	/* Enable WriteBooster */

	hba->caps |= UFSHCD_CAP_WB_EN;

	hba->vps->wb_flush_threshold = UFS_WB_BUF_REMAIN_PERCENT(80);



	/*

	 * ufshcd_vops_init() is invoked after