From: Bean Huo <huobean@gmail.com>
To: alim.akhtar@samsung.com, avri.altman@wdc.com,
asutoshd@codeaurora.org, jejb@linux.ibm.com,
martin.petersen@oracle.com, stanley.chu@mediatek.com,
beanhuo@micron.com, bvanassche@acm.org, tomas.winkler@intel.com,
cang@codeaurora.org
Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH v7 6/6] scsi: ufs: Cleanup WB buffer flush toggle implementation
Date: Tue, 19 Jan 2021 17:38:47 +0100 [thread overview]
Message-ID: <20210119163847.20165-7-huobean@gmail.com> (raw)
In-Reply-To: <20210119163847.20165-1-huobean@gmail.com>
From: Bean Huo <beanhuo@micron.com>
Delete ufshcd_wb_buf_flush_enable() and ufshcd_wb_buf_flush_disable(),
move the implementation into ufshcd_wb_toggle_flush().
Signed-off-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Reviewed-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Bean Huo <beanhuo@micron.com>
---
drivers/scsi/ufs/ufshcd.c | 66 +++++++++++++--------------------------
1 file changed, 21 insertions(+), 45 deletions(-)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 4f40891ea429..2d2a1bbfad92 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -247,10 +247,8 @@ static int ufshcd_setup_vreg(struct ufs_hba *hba, bool on);
static inline int ufshcd_config_vreg_hpm(struct ufs_hba *hba,
struct ufs_vreg *vreg);
static int ufshcd_try_to_abort_task(struct ufs_hba *hba, int tag);
-static int ufshcd_wb_buf_flush_enable(struct ufs_hba *hba);
-static int ufshcd_wb_buf_flush_disable(struct ufs_hba *hba);
static int ufshcd_wb_toggle_flush_during_h8(struct ufs_hba *hba, bool set);
-static inline void ufshcd_wb_toggle_flush(struct ufs_hba *hba, bool enable);
+static inline int ufshcd_wb_toggle_flush(struct ufs_hba *hba, bool enable);
static void ufshcd_hba_vreg_set_lpm(struct ufs_hba *hba);
static void ufshcd_hba_vreg_set_hpm(struct ufs_hba *hba);
@@ -5460,60 +5458,38 @@ static int ufshcd_wb_toggle_flush_during_h8(struct ufs_hba *hba, bool set)
index, NULL);
}
-static inline void ufshcd_wb_toggle_flush(struct ufs_hba *hba, bool enable)
-{
- if (hba->quirks & UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL)
- return;
-
- if (enable)
- ufshcd_wb_buf_flush_enable(hba);
- else
- ufshcd_wb_buf_flush_disable(hba);
-
-}
-
-static int ufshcd_wb_buf_flush_enable(struct ufs_hba *hba)
+static inline int ufshcd_wb_toggle_flush(struct ufs_hba *hba, bool enable)
{
int ret;
u8 index;
+ enum query_opcode opcode;
- if (!ufshcd_is_wb_allowed(hba) || hba->dev_info.wb_buf_flush_enabled)
+ if (hba->quirks & UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL)
return 0;
- index = ufshcd_wb_get_query_index(hba);
- ret = ufshcd_query_flag_retry(hba, UPIU_QUERY_OPCODE_SET_FLAG,
- QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN,
- index, NULL);
- if (ret)
- dev_err(hba->dev, "%s WB - buf flush enable failed %d\n",
- __func__, ret);
- else
- hba->dev_info.wb_buf_flush_enabled = true;
-
- dev_dbg(hba->dev, "WB - Flush enabled: %d\n", ret);
- return ret;
-}
-
-static int ufshcd_wb_buf_flush_disable(struct ufs_hba *hba)
-{
- int ret;
- u8 index;
-
- if (!ufshcd_is_wb_allowed(hba) || !hba->dev_info.wb_buf_flush_enabled)
+ if (!ufshcd_is_wb_allowed(hba) ||
+ hba->dev_info.wb_buf_flush_enabled == enable)
return 0;
+ if (enable)
+ opcode = UPIU_QUERY_OPCODE_SET_FLAG;
+ else
+ opcode = UPIU_QUERY_OPCODE_CLEAR_FLAG;
+
index = ufshcd_wb_get_query_index(hba);
- ret = ufshcd_query_flag_retry(hba, UPIU_QUERY_OPCODE_CLEAR_FLAG,
- QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN,
- index, NULL);
+ ret = ufshcd_query_flag_retry(hba, opcode,
+ QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN, index,
+ NULL);
if (ret) {
- dev_warn(hba->dev, "%s: WB - buf flush disable failed %d\n",
- __func__, ret);
- } else {
- hba->dev_info.wb_buf_flush_enabled = false;
- dev_dbg(hba->dev, "WB - Flush disabled: %d\n", ret);
+ dev_err(hba->dev, "%s WB-Buf Flush %s failed %d\n", __func__,
+ enable ? "enable" : "disable", ret);
+ goto out;
}
+ hba->dev_info.wb_buf_flush_enabled = enable;
+
+ dev_dbg(hba->dev, "WB-Buf Flush %s\n", enable ? "enabled" : "disabled");
+out:
return ret;
}
--
2.17.1
next prev parent reply other threads:[~2021-01-19 18:28 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-19 16:38 [PATCH v7 0/6] Several changes for UFS WriteBooster Bean Huo
2021-01-19 16:38 ` [PATCH v7 1/6] scsi: ufs: Add "wb_on" sysfs node to control WB on/off Bean Huo
2021-01-19 16:38 ` [PATCH v7 2/6] docs: ABI: Add wb_on documentation for new entry wb_on Bean Huo
2021-01-19 16:38 ` [PATCH v7 3/6] scsi: ufs: Changes comment in the function ufshcd_wb_probe() Bean Huo
2021-01-19 16:38 ` [PATCH v7 4/6] scsi: ufs: Remove two WB related fields from struct ufs_dev_info Bean Huo
2021-01-19 16:38 ` [PATCH v7 5/6] scsi: ufs: Group UFS WB related flags to " Bean Huo
2021-01-19 16:38 ` Bean Huo [this message]
2021-01-21 3:15 ` [PATCH v7 0/6] Several changes for UFS WriteBooster Martin K. Petersen
2021-01-21 16:15 ` Bean Huo
2021-01-23 4:22 ` Martin K. Petersen
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