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Message-ID: <20200305040704.10645-3-stanley.chu@mediatek.com>
Date:   Thu, 5 Mar 2020 12:07:02 +0800
From:   Stanley Chu <stanley.chu@...iatek.com>
To:     <linux-scsi@...r.kernel.org>, <martin.petersen@...cle.com>,
        <avri.altman@....com>, <alim.akhtar@...sung.com>,
        <jejb@...ux.ibm.com>
CC:     <beanhuo@...ron.com>, <asutoshd@...eaurora.org>,
        <cang@...eaurora.org>, <matthias.bgg@...il.com>,
        <bvanassche@....org>, <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <kuohong.wang@...iatek.com>,
        <peter.wang@...iatek.com>, <chun-hung.wu@...iatek.com>,
        <andy.teng@...iatek.com>, Stanley Chu <stanley.chu@...iatek.com>
Subject: [PATCH v1 2/4] scsi: ufs: use an enum for host capabilities

Use an enum to specify the host capabilities instead of #defines inside the
structure definition.

Signed-off-by: Stanley Chu <stanley.chu@...iatek.com>
---
 drivers/scsi/ufs/ufshcd.h | 65 ++++++++++++++++++++++-----------------
 1 file changed, 37 insertions(+), 28 deletions(-)

diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index 4e235cef99bc..49ade1bfd085 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -510,6 +510,43 @@ enum ufshcd_quirks {
 	UFSHCD_QUIRK_BROKEN_UFS_HCI_VERSION		= 1 << 5,
 };
 
+enum ufshcd_caps {
+	/* Allow dynamic clk gating */
+	UFSHCD_CAP_CLK_GATING				= 1 << 0,
+
+	/* Allow hiberb8 with clk gating */
+	UFSHCD_CAP_HIBERN8_WITH_CLK_GATING		= 1 << 1,
+
+	/* Allow dynamic clk scaling */
+	UFSHCD_CAP_CLK_SCALING				= 1 << 2,
+
+	/* Allow auto bkops to enabled during runtime suspend */
+	UFSHCD_CAP_AUTO_BKOPS_SUSPEND			= 1 << 3,
+
+	/*
+	 * This capability allows host controller driver to use the UFS HCI's
+	 * interrupt aggregation capability.
+	 * CAUTION: Enabling this might reduce overall UFS throughput.
+	 */
+	UFSHCD_CAP_INTR_AGGR				= 1 << 4,
+
+	/*
+	 * This capability allows the device auto-bkops to be always enabled
+	 * except during suspend (both runtime and suspend).
+	 * Enabling this capability means that device will always be allowed
+	 * to do background operation when it's active but it might degrade
+	 * the performance of ongoing read/write operations.
+	 */
+	UFSHCD_CAP_KEEP_AUTO_BKOPS_ENABLED_EXCEPT_SUSPEND = 1 << 5,
+
+	/*
+	 * This capability allows host controller driver to automatically
+	 * enable runtime power management by itself instead of waiting
+	 * for userspace to control the power management.
+	 */
+	UFSHCD_CAP_RPM_AUTOSUSPEND			= 1 << 6,
+};
+
 /**
  * struct ufs_hba - per adapter private structure
  * @mmio_base: UFSHCI base register address
@@ -662,34 +699,6 @@ struct ufs_hba {
 	struct ufs_clk_gating clk_gating;
 	/* Control to enable/disable host capabilities */
 	u32 caps;
-	/* Allow dynamic clk gating */
-#define UFSHCD_CAP_CLK_GATING	(1 << 0)
-	/* Allow hiberb8 with clk gating */
-#define UFSHCD_CAP_HIBERN8_WITH_CLK_GATING (1 << 1)
-	/* Allow dynamic clk scaling */
-#define UFSHCD_CAP_CLK_SCALING	(1 << 2)
-	/* Allow auto bkops to enabled during runtime suspend */
-#define UFSHCD_CAP_AUTO_BKOPS_SUSPEND (1 << 3)
-	/*
-	 * This capability allows host controller driver to use the UFS HCI's
-	 * interrupt aggregation capability.
-	 * CAUTION: Enabling this might reduce overall UFS throughput.
-	 */
-#define UFSHCD_CAP_INTR_AGGR (1 << 4)
-	/*
-	 * This capability allows the device auto-bkops to be always enabled
-	 * except during suspend (both runtime and suspend).
-	 * Enabling this capability means that device will always be allowed
-	 * to do background operation when it's active but it might degrade
-	 * the performance of ongoing read/write operations.
-	 */
-#define UFSHCD_CAP_KEEP_AUTO_BKOPS_ENABLED_EXCEPT_SUSPEND (1 << 5)
-	/*
-	 * This capability allows host controller driver to automatically
-	 * enable runtime power management by itself instead of waiting
-	 * for userspace to control the power management.
-	 */
-#define UFSHCD_CAP_RPM_AUTOSUSPEND (1 << 6)
 
 	struct devfreq *devfreq;
 	struct ufs_clk_scaling clk_scaling;
-- 
2.18.0

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