From: Stanley Chu Date: Sat, 9 May 2020 09:37:16 +0000 (+0800) Subject: scsi: ufs-mediatek: Customize WriteBooster flush policy X-Git-Tag: v5.8-rc1~126^2~43 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f48b285ae658b50f4ba2d3a267522f572720de6d;p=thirdparty%2Flinux.git 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: Asutosh Das Signed-off-by: Stanley Chu Signed-off-by: Martin K. Petersen --- diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c index 74baba93f51ef..d56ce8d97d4e8 100644 --- a/drivers/scsi/ufs/ufs-mediatek.c +++ b/drivers/scsi/ufs/ufs-mediatek.c @@ -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