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scsi: ufs-mediatek: Customize WriteBooster flush policy

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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 <asutoshd@codeaurora.org>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Stanley Chu 2020-05-09 17:37:16 +08:00 committed by Martin K. Petersen
parent d14734ae3a
commit f48b285ae6
1 changed files with 1 additions and 0 deletions
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drivers/scsi/ufs/ufs-mediatek.c
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@ -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