Re: [PATCH v5 5/7] scsi: ufs: Group UFS WB related flags to struct ufs_dev_info
From: Can Guo
Date: Tue Dec 22 2020 - 01:15:36 EST
On 2020-12-16 07:05, Bean Huo wrote:
From: Bean Huo <beanhuo@xxxxxxxxxx>
UFS device-related flags should be grouped in ufs_dev_info. Take
wb_enabled and wb_buf_flush_enabled out from the struct ufs_hba,
group them to struct ufs_dev_info, and align the names of the structure
members vertically.
Reviewed-by: Can Guo <cang@xxxxxxxxxxxxxx>
Signed-off-by: Bean Huo <beanhuo@xxxxxxxxxx>
---
drivers/scsi/ufs/ufs-sysfs.c | 2 +-
drivers/scsi/ufs/ufs.h | 27 ++++++++++++++++-----------
drivers/scsi/ufs/ufshcd.c | 21 ++++++++++-----------
drivers/scsi/ufs/ufshcd.h | 4 +---
4 files changed, 28 insertions(+), 26 deletions(-)
diff --git a/drivers/scsi/ufs/ufs-sysfs.c
b/drivers/scsi/ufs/ufs-sysfs.c
index f3ca3d6b82c4..9a9acc722a37 100644
--- a/drivers/scsi/ufs/ufs-sysfs.c
+++ b/drivers/scsi/ufs/ufs-sysfs.c
@@ -194,7 +194,7 @@ static ssize_t wb_on_show(struct device *dev,
struct device_attribute *attr,
{
struct ufs_hba *hba = dev_get_drvdata(dev);
- return sysfs_emit(buf, "%d\n", hba->wb_enabled);
+ return sysfs_emit(buf, "%d\n", hba->dev_info.wb_enabled);
}
static ssize_t wb_on_store(struct device *dev, struct device_attribute
*attr,
diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h
index a789e074ae3f..ec74cf360b1f 100644
--- a/drivers/scsi/ufs/ufs.h
+++ b/drivers/scsi/ufs/ufs.h
@@ -527,20 +527,25 @@ struct ufs_vreg_info {
};
struct ufs_dev_info {
- bool f_power_on_wp_en;
+ bool f_power_on_wp_en;
/* Keeps information if any of the LU is power on write protected */
- bool is_lu_power_on_wp;
+ bool is_lu_power_on_wp;
/* Maximum number of general LU supported by the UFS device */
- u8 max_lu_supported;
- u8 wb_dedicated_lu;
- u16 wmanufacturerid;
+ u8 max_lu_supported;
+ u16 wmanufacturerid;
/*UFS device Product Name */
- u8 *model;
- u16 wspecversion;
- u32 clk_gating_wait_us;
- u8 b_wb_buffer_type;
- bool b_rpm_dev_flush_capable;
- u8 b_presrv_uspc_en;
+ u8 *model;
+ u16 wspecversion;
+ u32 clk_gating_wait_us;
+
+ /* UFS WB related flags */
+ bool wb_enabled;
+ bool wb_buf_flush_enabled;
+ u8 wb_dedicated_lu;
+ u8 wb_buffer_type;
+
+ bool b_rpm_dev_flush_capable;
+ u8 b_presrv_uspc_en;
};
/**
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 5f08f4a59a17..466a85051d54 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -589,8 +589,8 @@ static void ufshcd_device_reset(struct ufs_hba
*hba)
if (!err) {
ufshcd_set_ufs_dev_active(hba);
if (ufshcd_is_wb_allowed(hba)) {
- hba->wb_enabled = false;
- hba->wb_buf_flush_enabled = false;
+ hba->dev_info.wb_enabled = false;
+ hba->dev_info.wb_buf_flush_enabled = false;
}
}
if (err != -EOPNOTSUPP)
@@ -5359,7 +5359,7 @@ int ufshcd_wb_ctrl(struct ufs_hba *hba, bool
enable)
if (!ufshcd_is_wb_allowed(hba))
return 0;
- if (!(enable ^ hba->wb_enabled))
+ if (!(enable ^ hba->dev_info.wb_enabled))
return 0;
if (enable)
opcode = UPIU_QUERY_OPCODE_SET_FLAG;
@@ -5375,7 +5375,7 @@ int ufshcd_wb_ctrl(struct ufs_hba *hba, bool
enable)
return ret;
}
- hba->wb_enabled = enable;
+ hba->dev_info.wb_enabled = enable;
dev_dbg(hba->dev, "%s write booster %s %d\n",
__func__, enable ? "enable" : "disable", ret);
@@ -5415,7 +5415,7 @@ static int ufshcd_wb_buf_flush_enable(struct
ufs_hba *hba)
int ret;
u8 index;
- if (!ufshcd_is_wb_allowed(hba) || hba->wb_buf_flush_enabled)
+ if (!ufshcd_is_wb_allowed(hba) || hba->dev_info.wb_buf_flush_enabled)
return 0;
index = ufshcd_wb_get_query_index(hba);
@@ -5426,7 +5426,7 @@ static int ufshcd_wb_buf_flush_enable(struct
ufs_hba *hba)
dev_err(hba->dev, "%s WB - buf flush enable failed %d\n",
__func__, ret);
else
- hba->wb_buf_flush_enabled = true;
+ hba->dev_info.wb_buf_flush_enabled = true;
dev_dbg(hba->dev, "WB - Flush enabled: %d\n", ret);
return ret;
@@ -5437,7 +5437,7 @@ static int ufshcd_wb_buf_flush_disable(struct
ufs_hba *hba)
int ret;
u8 index;
- if (!ufshcd_is_wb_allowed(hba) || !hba->wb_buf_flush_enabled)
+ if (!ufshcd_is_wb_allowed(hba) ||
!hba->dev_info.wb_buf_flush_enabled)
return 0;
index = ufshcd_wb_get_query_index(hba);
@@ -5448,7 +5448,7 @@ static int ufshcd_wb_buf_flush_disable(struct
ufs_hba *hba)
dev_warn(hba->dev, "%s: WB - buf flush disable failed %d\n",
__func__, ret);
} else {
- hba->wb_buf_flush_enabled = false;
+ hba->dev_info.wb_buf_flush_enabled = false;
dev_dbg(hba->dev, "WB - Flush disabled: %d\n", ret);
}
@@ -7236,13 +7236,12 @@ static void ufshcd_wb_probe(struct ufs_hba
*hba, u8 *desc_buf)
* says, in dedicated wb buffer mode, a max of 1 lun would have wb
* buffer configured.
*/
- dev_info->b_wb_buffer_type =
- desc_buf[DEVICE_DESC_PARAM_WB_TYPE];
+ dev_info->wb_buffer_type = desc_buf[DEVICE_DESC_PARAM_WB_TYPE];
dev_info->b_presrv_uspc_en =
desc_buf[DEVICE_DESC_PARAM_WB_PRESRV_USRSPC_EN];
- if (dev_info->b_wb_buffer_type == WB_BUF_MODE_SHARED) {
+ if (dev_info->wb_buffer_type == WB_BUF_MODE_SHARED) {
if (!get_unaligned_be32(desc_buf +
DEVICE_DESC_PARAM_WB_SHARED_ALLOC_UNITS))
goto wb_disabled;
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index 2a97006a2c93..ee97068158e2 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -805,8 +805,6 @@ struct ufs_hba {
struct device bsg_dev;
struct request_queue *bsg_queue;
- bool wb_buf_flush_enabled;
- bool wb_enabled;
struct delayed_work rpm_dev_flush_recheck_work;
#ifdef CONFIG_SCSI_UFS_CRYPTO
@@ -946,7 +944,7 @@ static inline bool
ufshcd_keep_autobkops_enabled_except_suspend(
static inline u8 ufshcd_wb_get_query_index(struct ufs_hba *hba)
{
- if (hba->dev_info.b_wb_buffer_type == WB_BUF_MODE_LU_DEDICATED)
+ if (hba->dev_info.wb_buffer_type == WB_BUF_MODE_LU_DEDICATED)
return hba->dev_info.wb_dedicated_lu;
return 0;
}