| Message ID | 20200312110908.14895-3-stanley.chu@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | scsi: ufs: some cleanups and make the delay for host enabling customizable | expand |
On 3/12/2020 4:09 AM, Stanley Chu wrote: > Struct init_prefetch_data currently is used privately in > ufshcd_init_icc_levels(), thus it can be removed from struct ufs_hba. > > Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> > --- Reviewed-by: Asutosh Das <asutoshd@codeaurora.org> > drivers/scsi/ufs/ufshcd.c | 15 ++++++--------- > drivers/scsi/ufs/ufshcd.h | 11 ----------- > 2 files changed, 6 insertions(+), 20 deletions(-) > > diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c > index 314e808b0d4e..b4988b9ee36c 100644 > --- a/drivers/scsi/ufs/ufshcd.c > +++ b/drivers/scsi/ufs/ufshcd.c > @@ -6501,6 +6501,7 @@ static void ufshcd_init_icc_levels(struct ufs_hba *hba) > { > int ret; > int buff_len = hba->desc_size.pwr_desc; > + u32 icc_level; > u8 *desc_buf; > > desc_buf = kmalloc(buff_len, GFP_KERNEL); > @@ -6516,21 +6517,17 @@ static void ufshcd_init_icc_levels(struct ufs_hba *hba) > goto out; > } > > - hba->init_prefetch_data.icc_level = > - ufshcd_find_max_sup_active_icc_level(hba, > - desc_buf, buff_len); > - dev_dbg(hba->dev, "%s: setting icc_level 0x%x", > - __func__, hba->init_prefetch_data.icc_level); > + icc_level = > + ufshcd_find_max_sup_active_icc_level(hba, desc_buf, buff_len); > + dev_dbg(hba->dev, "%s: setting icc_level 0x%x", __func__, icc_level); > > ret = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_WRITE_ATTR, > - QUERY_ATTR_IDN_ACTIVE_ICC_LVL, 0, 0, > - &hba->init_prefetch_data.icc_level); > + QUERY_ATTR_IDN_ACTIVE_ICC_LVL, 0, 0, &icc_level); > > if (ret) > dev_err(hba->dev, > "%s: Failed configuring bActiveICCLevel = %d ret = %d", > - __func__, hba->init_prefetch_data.icc_level , ret); > - > + __func__, icc_level, ret); > out: > kfree(desc_buf); > } > diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h > index 5c10777154fc..5cf79d2319a6 100644 > --- a/drivers/scsi/ufs/ufshcd.h > +++ b/drivers/scsi/ufs/ufshcd.h > @@ -402,15 +402,6 @@ struct ufs_clk_scaling { > bool is_suspended; > }; > > -/** > - * struct ufs_init_prefetch - contains data that is pre-fetched once during > - * initialization > - * @icc_level: icc level which was read during initialization > - */ > -struct ufs_init_prefetch { > - u32 icc_level; > -}; > - > #define UFS_ERR_REG_HIST_LENGTH 8 > /** > * struct ufs_err_reg_hist - keeps history of errors > @@ -541,7 +532,6 @@ enum ufshcd_quirks { > * @intr_mask: Interrupt Mask Bits > * @ee_ctrl_mask: Exception event control mask > * @is_powered: flag to check if HBA is powered > - * @init_prefetch_data: data pre-fetched during initialization > * @eh_work: Worker to handle UFS errors that require s/w attention > * @eeh_work: Worker to handle exception events > * @errors: HBA errors > @@ -627,7 +617,6 @@ struct ufs_hba { > u32 intr_mask; > u16 ee_ctrl_mask; > bool is_powered; > - struct ufs_init_prefetch init_prefetch_data; > > /* Work Queues */ > struct work_struct eh_work; >
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 314e808b0d4e..b4988b9ee36c 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -6501,6 +6501,7 @@ static void ufshcd_init_icc_levels(struct ufs_hba *hba) { int ret; int buff_len = hba->desc_size.pwr_desc; + u32 icc_level; u8 *desc_buf; desc_buf = kmalloc(buff_len, GFP_KERNEL); @@ -6516,21 +6517,17 @@ static void ufshcd_init_icc_levels(struct ufs_hba *hba) goto out; } - hba->init_prefetch_data.icc_level = - ufshcd_find_max_sup_active_icc_level(hba, - desc_buf, buff_len); - dev_dbg(hba->dev, "%s: setting icc_level 0x%x", - __func__, hba->init_prefetch_data.icc_level); + icc_level = + ufshcd_find_max_sup_active_icc_level(hba, desc_buf, buff_len); + dev_dbg(hba->dev, "%s: setting icc_level 0x%x", __func__, icc_level); ret = ufshcd_query_attr_retry(hba, UPIU_QUERY_OPCODE_WRITE_ATTR, - QUERY_ATTR_IDN_ACTIVE_ICC_LVL, 0, 0, - &hba->init_prefetch_data.icc_level); + QUERY_ATTR_IDN_ACTIVE_ICC_LVL, 0, 0, &icc_level); if (ret) dev_err(hba->dev, "%s: Failed configuring bActiveICCLevel = %d ret = %d", - __func__, hba->init_prefetch_data.icc_level , ret); - + __func__, icc_level, ret); out: kfree(desc_buf); } diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 5c10777154fc..5cf79d2319a6 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -402,15 +402,6 @@ struct ufs_clk_scaling { bool is_suspended; }; -/** - * struct ufs_init_prefetch - contains data that is pre-fetched once during - * initialization - * @icc_level: icc level which was read during initialization - */ -struct ufs_init_prefetch { - u32 icc_level; -}; - #define UFS_ERR_REG_HIST_LENGTH 8 /** * struct ufs_err_reg_hist - keeps history of errors @@ -541,7 +532,6 @@ enum ufshcd_quirks { * @intr_mask: Interrupt Mask Bits * @ee_ctrl_mask: Exception event control mask * @is_powered: flag to check if HBA is powered - * @init_prefetch_data: data pre-fetched during initialization * @eh_work: Worker to handle UFS errors that require s/w attention * @eeh_work: Worker to handle exception events * @errors: HBA errors @@ -627,7 +617,6 @@ struct ufs_hba { u32 intr_mask; u16 ee_ctrl_mask; bool is_powered; - struct ufs_init_prefetch init_prefetch_data; /* Work Queues */ struct work_struct eh_work;
Struct init_prefetch_data currently is used privately in ufshcd_init_icc_levels(), thus it can be removed from struct ufs_hba. Signed-off-by: Stanley Chu <stanley.chu@mediatek.com> --- drivers/scsi/ufs/ufshcd.c | 15 ++++++--------- drivers/scsi/ufs/ufshcd.h | 11 ----------- 2 files changed, 6 insertions(+), 20 deletions(-)