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: <beanhuo@micron.com>, <cang@codeaurora.org>,
<matthias.bgg@gmail.com>, <bvanassche@acm.org>,
<linux-mediatek@lists.infradead.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <kuohong.wang@mediatek.com>,
<peter.wang@mediatek.com>, <chun-hung.wu@mediatek.com>,
<andy.teng@mediatek.com>, Stanley Chu <stanley.chu@mediatek.com>
Subject: [PATCH v2 4/4] scsi: ufs-mediatek: customize WriteBooster flush policy
Date: Sat, 9 May 2020 17:37:16 +0800 [thread overview]
Message-ID: <20200509093716.21010-5-stanley.chu@mediatek.com> (raw)
In-Reply-To: <20200509093716.21010-1-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
next prev parent reply other threads:[~2020-05-09 9:37 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-09 9:37 [PATCH v2 0/4] scsi: ufs: allow customizable WriteBooster flush policy Stanley Chu
2020-05-09 9:37 ` [PATCH v2 1/4] scsi: ufs: introduce ufs_hba_variant_params to collect customizable parameters Stanley Chu
2020-05-09 9:37 ` [PATCH v2 2/4] scsi: ufs-mediatek: change the way to use " Stanley Chu
2020-05-09 9:37 ` [PATCH v2 3/4] scsi: ufs: customize flush threshold for WriteBooster Stanley Chu
2020-05-09 9:37 ` Stanley Chu [this message]
2020-05-12 2:19 ` [PATCH v2 4/4] scsi: ufs-mediatek: customize WriteBooster flush policy Asutosh Das (asd)
2020-05-12 16:21 ` Martin K. Petersen
2020-05-12 18:10 ` Asutosh Das (asd)
2020-05-15 1:10 ` [PATCH v2 0/4] scsi: ufs: allow customizable " Martin K. Petersen
2020-05-15 1:15 ` Stanley Chu
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