lkml.org 
[lkml]   [2020]   [Mar]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v6 2/7] scsi: ufs: use an enum for host capabilities
Date
Use an enum to specify the host capabilities instead of #defines inside the
structure definition.

Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Can Guo <cang@codeaurora.org>
---
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 5c10777154fc..52425371082a 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
@@ -664,34 +701,6 @@ 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
\
 
 \ /
  Last update: 2020-03-16 09:54    [W:0.069 / U:3.492 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site