diff options
author | Stanley Chu <stanley.chu@mediatek.com> | 2020-05-22 16:32:11 +0800 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-05-26 21:14:07 -0400 |
commit | e31011ab370989022abf216c606f947a3b02a53a (patch) | |
tree | add414f5b64c5811dd57038e43c949f1dc166c4f /drivers/scsi/ufs | |
parent | c7cee3e746a5b5a79d415112f7b7af90e8259fa1 (diff) | |
download | linux-stable-e31011ab370989022abf216c606f947a3b02a53a.tar.gz linux-stable-e31011ab370989022abf216c606f947a3b02a53a.tar.bz2 linux-stable-e31011ab370989022abf216c606f947a3b02a53a.zip |
scsi: ufs: Fix index of attributes query for WriteBooster feature
For WriteBooster feature related attributes, the index used by query shall
be LUN ID if LU Dedicated buffer mode is enabled.
Link: https://lore.kernel.org/r/20200522083212.4008-4-stanley.chu@mediatek.com
Reviewed-by: Avri Altman <avri.altman@wdc.com>
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/scsi/ufs')
-rw-r--r-- | drivers/scsi/ufs/ufs-sysfs.c | 13 | ||||
-rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 16 | ||||
-rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 2 |
3 files changed, 22 insertions, 9 deletions
diff --git a/drivers/scsi/ufs/ufs-sysfs.c b/drivers/scsi/ufs/ufs-sysfs.c index a0b3763e1dc2..2d71d232a69d 100644 --- a/drivers/scsi/ufs/ufs-sysfs.c +++ b/drivers/scsi/ufs/ufs-sysfs.c @@ -637,7 +637,7 @@ static ssize_t _name##_show(struct device *dev, \ int ret; \ struct ufs_hba *hba = dev_get_drvdata(dev); \ if (ufshcd_is_wb_flags(QUERY_FLAG_IDN##_uname)) \ - index = ufshcd_wb_get_flag_index(hba); \ + index = ufshcd_wb_get_query_index(hba); \ pm_runtime_get_sync(hba->dev); \ ret = ufshcd_query_flag(hba, UPIU_QUERY_OPCODE_READ_FLAG, \ QUERY_FLAG_IDN##_uname, index, &flag); \ @@ -680,6 +680,12 @@ static const struct attribute_group ufs_sysfs_flags_group = { .attrs = ufs_sysfs_device_flags, }; +static inline bool ufshcd_is_wb_attrs(enum attr_idn idn) +{ + return ((idn >= QUERY_ATTR_IDN_WB_FLUSH_STATUS) && + (idn <= QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE)); +} + #define UFS_ATTRIBUTE(_name, _uname) \ static ssize_t _name##_show(struct device *dev, \ struct device_attribute *attr, char *buf) \ @@ -687,9 +693,12 @@ static ssize_t _name##_show(struct device *dev, \ struct ufs_hba *hba = dev_get_drvdata(dev); \ u32 value; \ int ret; \ + u8 index = 0; \ + if (ufshcd_is_wb_attrs(QUERY_ATTR_IDN##_uname)) \ + index = ufshcd_wb_get_query_index(hba); \ pm_runtime_get_sync(hba->dev); \ ret = ufshcd_query_attr(hba, UPIU_QUERY_OPCODE_READ_ATTR, \ - QUERY_ATTR_IDN##_uname, 0, 0, &value); \ + QUERY_ATTR_IDN##_uname, index, 0, &value); \ 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 0dbd8a7a6642..3262ac0e39d4 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -5199,7 +5199,7 @@ static int ufshcd_wb_ctrl(struct ufs_hba *hba, bool enable) else opcode = UPIU_QUERY_OPCODE_CLEAR_FLAG; - index = ufshcd_wb_get_flag_index(hba); + index = ufshcd_wb_get_query_index(hba); ret = ufshcd_query_flag_retry(hba, opcode, QUERY_FLAG_IDN_WB_EN, index, NULL); if (ret) { @@ -5225,7 +5225,7 @@ static int ufshcd_wb_toggle_flush_during_h8(struct ufs_hba *hba, bool set) else val = UPIU_QUERY_OPCODE_CLEAR_FLAG; - index = ufshcd_wb_get_flag_index(hba); + index = ufshcd_wb_get_query_index(hba); return ufshcd_query_flag_retry(hba, val, QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8, index, NULL); @@ -5248,7 +5248,7 @@ static int ufshcd_wb_buf_flush_enable(struct ufs_hba *hba) if (!ufshcd_is_wb_allowed(hba) || hba->wb_buf_flush_enabled) return 0; - index = ufshcd_wb_get_flag_index(hba); + 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); @@ -5270,7 +5270,7 @@ static int ufshcd_wb_buf_flush_disable(struct ufs_hba *hba) if (!ufshcd_is_wb_allowed(hba) || !hba->wb_buf_flush_enabled) return 0; - index = ufshcd_wb_get_flag_index(hba); + 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); @@ -5290,10 +5290,12 @@ static bool ufshcd_wb_presrv_usrspc_keep_vcc_on(struct ufs_hba *hba, { u32 cur_buf; int ret; + u8 index; + index = ufshcd_wb_get_query_index(hba); ret = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_READ_ATTR, QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE, - 0, 0, &cur_buf); + index, 0, &cur_buf); if (ret) { dev_err(hba->dev, "%s dCurWriteBoosterBufferSize read failed %d\n", __func__, ret); @@ -5316,6 +5318,7 @@ static bool ufshcd_wb_keep_vcc_on(struct ufs_hba *hba) { int ret; u32 avail_buf; + u8 index; if (!ufshcd_is_wb_allowed(hba)) return false; @@ -5330,9 +5333,10 @@ static bool ufshcd_wb_keep_vcc_on(struct ufs_hba *hba) * buffer (dCurrentWriteBoosterBufferSize). There's no point in * keeping vcc on when current buffer is empty. */ + index = ufshcd_wb_get_query_index(hba); ret = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_READ_ATTR, QUERY_ATTR_IDN_AVAIL_WB_BUFF_SIZE, - 0, 0, &avail_buf); + index, 0, &avail_buf); if (ret) { dev_warn(hba->dev, "%s dAvailableWriteBoosterBufferSize read failed %d\n", __func__, ret); diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 88d420242782..9acaeaf94d29 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -868,7 +868,7 @@ static inline bool ufshcd_keep_autobkops_enabled_except_suspend( return hba->caps & UFSHCD_CAP_KEEP_AUTO_BKOPS_ENABLED_EXCEPT_SUSPEND; } -static inline u8 ufshcd_wb_get_flag_index(struct ufs_hba *hba) +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) return hba->dev_info.wb_dedicated_lu; |