[PATCH v6 5/6] scsi: ufs: Group UFS WB related flags to struct ufs_dev_info
From: Bean Huo <hidden>
Date: 2021-01-18 20:12:35
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Subsystem:
scsi subsystem, the rest · Maintainers:
"James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds
From: Bean Huo <redacted> 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. Acked-by: Stanley Chu <redacted> Reviewed-by: Can Guo <redacted> Signed-off-by: Bean Huo <redacted> --- 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 76db8593ca09..acc54f530f2d 100644
--- a/drivers/scsi/ufs/ufs-sysfs.c
+++ b/drivers/scsi/ufs/ufs-sysfs.c@@ -214,7 +214,7 @@ 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 a8000ed0017e..bf1897a72532 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 827d9f360287..9f857af3766a 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c@@ -606,8 +606,8 @@ 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)
@@ -5421,7 +5421,7 @@ 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;
@@ -5437,7 +5437,7 @@ 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);
@@ -5477,7 +5477,7 @@ 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);
@@ -5488,7 +5488,7 @@ 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;
@@ -5499,7 +5499,7 @@ 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);
@@ -5510,7 +5510,7 @@ 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); }
@@ -7298,13 +7298,12 @@ 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 ac0f03f69e42..a599d6bb5c8c 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h@@ -818,8 +818,6 @@ 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
@@ -967,7 +965,7 @@ 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; }
--
2.17.1