From: Stanley Chu <stanley.chu@mediatek.com>
To: <linux-scsi@vger.kernel.org>, <martin.petersen@oracle.com>,
<avri.altman@wdc.com>, <alim.akhtar@samsung.com>,
<jejb@linux.ibm.com>, <asutoshd@codeaurora.org>
Cc: bvanassche@acm.org, andy.teng@mediatek.com,
chun-hung.wu@mediatek.com, kuohong.wang@mediatek.com,
linux-kernel@vger.kernel.org, cang@codeaurora.org,
linux-mediatek@lists.infradead.org, peter.wang@mediatek.com,
matthias.bgg@gmail.com, Stanley Chu <stanley.chu@mediatek.com>,
linux-arm-kernel@lists.infradead.org, beanhuo@micron.com
Subject: [PATCH v1 5/5] scsi: ufs-mediatek: customize WriteBooster flush policy
Date: Sat, 9 May 2020 01:15:13 +0800 [thread overview]
Message-ID: <20200508171513.14665-6-stanley.chu@mediatek.com> (raw)
In-Reply-To: <20200508171513.14665-1-stanley.chu@mediatek.com>
Change the WriteBooster policy to keep VCC on during
runtime suspend if available WriteBooster buffer is less
than 80%.
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
---
drivers/scsi/ufs/ufs-mediatek.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index 56620f7d88ce..94e97701f456 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
--
2.18.0
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prev parent reply other threads:[~2020-05-08 17:16 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-08 17:15 [PATCH v1 0/5] scsi: ufs: allow customizable WriteBooster flush policy Stanley Chu
2020-05-08 17:15 ` [PATCH v1 1/5] scsi: ufs: introduce ufs_hba_variant_params to collect customizable parameters Stanley Chu
2020-05-08 17:15 ` [PATCH v1 2/5] scsi: ufs-mediatek: change the way to use " Stanley Chu
2020-05-08 17:15 ` [PATCH v1 3/5] scsi: ufs: customize flush threshold for WriteBooster Stanley Chu
2020-05-08 18:12 ` Asutosh Das (asd)
2020-05-09 9:15 ` Stanley Chu
2020-05-08 17:15 ` [PATCH v1 4/5] scsi: ufs: use flexible definition for UFS_WB_BUF_REMAIN_PERCENT Stanley Chu
2020-05-08 17:15 ` Stanley Chu [this message]
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