diff options
author | Stanley Chu <stanley.chu@mediatek.com> | 2020-05-08 16:01:12 +0800 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-05-11 22:48:44 -0400 |
commit | 1f34eedf9bc15d238aece3308aba0a21a1ef5fe2 (patch) | |
tree | 174316d475e46e448599fc7d82dc31919c7083e5 /drivers | |
parent | 62c2f503b54cd17bc4ad7b929354923012375f73 (diff) | |
download | linux-1f34eedf9bc15d238aece3308aba0a21a1ef5fe2.tar.bz2 |
scsi: ufs: Add "index" in parameter list of ufshcd_query_flag()
For preparation of LU Dedicated buffer mode support on WriteBooster
feature, "index" parameter shall be added and allowed to be specified by
callers.
Link: https://lore.kernel.org/r/20200508080115.24233-6-stanley.chu@mediatek.com
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Can Guo <cang@codeaurora.org>
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/scsi/ufs/ufs-sysfs.c | 2 | ||||
-rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 28 | ||||
-rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 2 |
3 files changed, 17 insertions, 15 deletions
diff --git a/drivers/scsi/ufs/ufs-sysfs.c b/drivers/scsi/ufs/ufs-sysfs.c index 93484408bc40..b86b6a40d7e6 100644 --- a/drivers/scsi/ufs/ufs-sysfs.c +++ b/drivers/scsi/ufs/ufs-sysfs.c @@ -631,7 +631,7 @@ static ssize_t _name##_show(struct device *dev, \ struct ufs_hba *hba = dev_get_drvdata(dev); \ pm_runtime_get_sync(hba->dev); \ ret = ufshcd_query_flag(hba, UPIU_QUERY_OPCODE_READ_FLAG, \ - QUERY_FLAG_IDN##_uname, &flag); \ + QUERY_FLAG_IDN##_uname, 0, &flag); \ pm_runtime_put_sync(hba->dev); \ if (ret) \ return -EINVAL; \ diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index c0b2cec5dcd8..4053d24eaafc 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -2782,13 +2782,13 @@ static inline void ufshcd_init_query(struct ufs_hba *hba, } static int ufshcd_query_flag_retry(struct ufs_hba *hba, - enum query_opcode opcode, enum flag_idn idn, bool *flag_res) + enum query_opcode opcode, enum flag_idn idn, u8 index, bool *flag_res) { int ret; int retries; for (retries = 0; retries < QUERY_REQ_RETRIES; retries++) { - ret = ufshcd_query_flag(hba, opcode, idn, flag_res); + ret = ufshcd_query_flag(hba, opcode, idn, index, flag_res); if (ret) dev_dbg(hba->dev, "%s: failed with error %d, retries %d\n", @@ -2809,16 +2809,17 @@ static int ufshcd_query_flag_retry(struct ufs_hba *hba, * @hba: per-adapter instance * @opcode: flag query to perform * @idn: flag idn to access + * @index: flag index to access * @flag_res: the flag value after the query request completes * * Returns 0 for success, non-zero in case of failure */ int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode, - enum flag_idn idn, bool *flag_res) + enum flag_idn idn, u8 index, bool *flag_res) { struct ufs_query_req *request = NULL; struct ufs_query_res *response = NULL; - int err, index = 0, selector = 0; + int err, selector = 0; int timeout = QUERY_REQ_TIMEOUT; BUG_ON(!hba); @@ -4175,7 +4176,7 @@ static int ufshcd_complete_dev_init(struct ufs_hba *hba) bool flag_res = true; err = ufshcd_query_flag_retry(hba, UPIU_QUERY_OPCODE_SET_FLAG, - QUERY_FLAG_IDN_FDEVICEINIT, NULL); + QUERY_FLAG_IDN_FDEVICEINIT, 0, NULL); if (err) { dev_err(hba->dev, "%s setting fDeviceInit flag failed with error %d\n", @@ -4186,7 +4187,7 @@ static int ufshcd_complete_dev_init(struct ufs_hba *hba) /* poll for max. 1000 iterations for fDeviceInit flag to clear */ for (i = 0; i < 1000 && !err && flag_res; i++) err = ufshcd_query_flag_retry(hba, UPIU_QUERY_OPCODE_READ_FLAG, - QUERY_FLAG_IDN_FDEVICEINIT, &flag_res); + QUERY_FLAG_IDN_FDEVICEINIT, 0, &flag_res); if (err) dev_err(hba->dev, @@ -5001,7 +5002,7 @@ static int ufshcd_enable_auto_bkops(struct ufs_hba *hba) goto out; err = ufshcd_query_flag_retry(hba, UPIU_QUERY_OPCODE_SET_FLAG, - QUERY_FLAG_IDN_BKOPS_EN, NULL); + QUERY_FLAG_IDN_BKOPS_EN, 0, NULL); if (err) { dev_err(hba->dev, "%s: failed to enable bkops %d\n", __func__, err); @@ -5051,7 +5052,7 @@ static int ufshcd_disable_auto_bkops(struct ufs_hba *hba) } err = ufshcd_query_flag_retry(hba, UPIU_QUERY_OPCODE_CLEAR_FLAG, - QUERY_FLAG_IDN_BKOPS_EN, NULL); + QUERY_FLAG_IDN_BKOPS_EN, 0, NULL); if (err) { dev_err(hba->dev, "%s: failed to disable bkops %d\n", __func__, err); @@ -5217,7 +5218,7 @@ static int ufshcd_wb_ctrl(struct ufs_hba *hba, bool enable) opcode = UPIU_QUERY_OPCODE_CLEAR_FLAG; ret = ufshcd_query_flag_retry(hba, opcode, - QUERY_FLAG_IDN_WB_EN, NULL); + QUERY_FLAG_IDN_WB_EN, 0, NULL); if (ret) { dev_err(hba->dev, "%s write booster %s failed %d\n", __func__, enable ? "enable" : "disable", ret); @@ -5241,7 +5242,7 @@ static int ufshcd_wb_toggle_flush_during_h8(struct ufs_hba *hba, bool set) val = UPIU_QUERY_OPCODE_CLEAR_FLAG; return ufshcd_query_flag_retry(hba, val, - QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8, + QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8, 0, NULL); } @@ -5262,7 +5263,8 @@ static int ufshcd_wb_buf_flush_enable(struct ufs_hba *hba) return 0; ret = ufshcd_query_flag_retry(hba, UPIU_QUERY_OPCODE_SET_FLAG, - QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN, NULL); + QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN, + 0, NULL); if (ret) dev_err(hba->dev, "%s WB - buf flush enable failed %d\n", __func__, ret); @@ -5281,7 +5283,7 @@ static int ufshcd_wb_buf_flush_disable(struct ufs_hba *hba) return 0; ret = ufshcd_query_flag_retry(hba, UPIU_QUERY_OPCODE_CLEAR_FLAG, - QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN, NULL); + QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN, 0, NULL); if (ret) { dev_warn(hba->dev, "%s: WB - buf flush disable failed %d\n", __func__, ret); @@ -7277,7 +7279,7 @@ static int ufshcd_device_params_init(struct ufs_hba *hba) ufshcd_get_ref_clk_gating_wait(hba); if (!ufshcd_query_flag_retry(hba, UPIU_QUERY_OPCODE_READ_FLAG, - QUERY_FLAG_IDN_PWR_ON_WPE, &flag)) + QUERY_FLAG_IDN_PWR_ON_WPE, 0, &flag)) hba->dev_info.f_power_on_wp_en = flag; /* Probe maximum power mode co-supported by both UFS host and device */ diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 4d296acadd6f..8262a48eb9eb 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -948,7 +948,7 @@ int ufshcd_read_desc_param(struct ufs_hba *hba, int ufshcd_query_attr(struct ufs_hba *hba, enum query_opcode opcode, enum attr_idn idn, u8 index, u8 selector, u32 *attr_val); int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode, - enum flag_idn idn, bool *flag_res); + enum flag_idn idn, u8 index, bool *flag_res); void ufshcd_auto_hibern8_enable(struct ufs_hba *hba); void ufshcd_auto_hibern8_update(struct ufs_hba *hba, u32 ahit); |