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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>,
	<pedrom.sousa@synopsys.com>, <sthumma@codeaurora.org>,
	<jejb@linux.ibm.com>, <bvanassche@acm.org>
Cc: <linux-mediatek@lists.infradead.org>,
	<linux-arm-kernel@lists.infradead.org>, <matthias.bgg@gmail.com>,
	<evgreen@chromium.org>, <beanhuo@micron.com>,
	<marc.w.gonzalez@free.fr>, <subhashj@codeaurora.org>,
	<vivek.gautam@codeaurora.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 3/3] scsi: ufs-mediatek: enable auto suspend capability
Date: Thu, 12 Sep 2019 14:35:35 +0800
Message-ID: <1568270135-32442-4-git-send-email-stanley.chu@mediatek.com> (raw)
In-Reply-To: <1568270135-32442-1-git-send-email-stanley.chu@mediatek.com>

Enable auto suspend capability in MediaTek UFS driver.

Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
---
 drivers/scsi/ufs/ufs-mediatek.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index 0f6ff33ce52e..b7b177c6194c 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -117,6 +117,11 @@ static int ufs_mtk_setup_clocks(struct ufs_hba *hba, bool on,
 	return ret;
 }
 
+static void ufs_mtk_set_caps(struct ufs_hba *hba)
+{
+	hba->caps |= UFSHCD_CAP_RPM_AUTOSUSPEND;
+}
+
 /**
  * ufs_mtk_init - find other essential mmio bases
  * @hba: host controller instance
@@ -147,6 +152,8 @@ static int ufs_mtk_init(struct ufs_hba *hba)
 	if (err)
 		goto out_variant_clear;
 
+	ufs_mtk_set_caps(hba);
+
 	/*
 	 * ufshcd_vops_init() is invoked after
 	 * ufshcd_setup_clock(true) in ufshcd_hba_init() thus
-- 
2.18.0


  parent reply index

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-12  6:35 [PATCH v2] scsi: allow auto suspend override by low-level driver Stanley Chu
2019-09-12  6:35 ` [PATCH v2 1/3] scsi: core: " Stanley Chu
2019-09-12 13:43   ` Bart Van Assche
2019-09-16  6:38     ` Stanley Chu
2019-09-12  6:35 ` [PATCH v2 2/3] scsi: ufs: override auto suspend tunables for ufs Stanley Chu
2019-09-12  6:35 ` Stanley Chu [this message]
2019-09-12 13:46   ` [PATCH v2 3/3] scsi: ufs-mediatek: enable auto suspend capability Bart Van Assche
2019-09-16  6:29     ` Stanley Chu

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