system/linux
system/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux synced 2024-09-21 03:28:37 +00:00
Code Issues Packages Projects Releases Wiki Activity

scsi: ufs: add device reset history for vendor implementations

Browse source 
Device reset history shall be also added for vendor's device reset variant
operation implementation.

Cc: Alim Akhtar <alim.akhtar@samsung.com>
Cc: Asutosh Das <asutoshd@codeaurora.org>
Cc: Avri Altman <avri.altman@wdc.com>
Cc: Bart Van Assche <bvanassche@acm.org>
Cc: Bean Huo <beanhuo@micron.com>
Cc: Can Guo <cang@codeaurora.org>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/1578147968-30938-3-git-send-email-stanley.chu@mediatek.com
Reviewed-by: Bean Huo <beanhuo@micron.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>
This commit is contained in:
Stanley Chu 2020-01-04 22:26:07 +08:00 committed by Martin K. Petersen
parent 645728a644
commit a5fe372d92
2 changed files with 8 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
drivers/scsi/ufs/ufshcd.c
View file

@ -4346,13 +4346,14 @@ static inline int ufshcd_disable_device_tx_lcc(struct ufs_hba *hba)
return ufshcd_disable_tx_lcc(hba, true);
}
static void ufshcd_update_reg_hist(struct ufs_err_reg_hist *reg_hist,
u32 reg)
void ufshcd_update_reg_hist(struct ufs_err_reg_hist *reg_hist,
u32 reg)
{
reg_hist->reg[reg_hist->pos] = reg;
reg_hist->tstamp[reg_hist->pos] = ktime_get();
reg_hist->pos = (reg_hist->pos + 1) % UFS_ERR_REG_HIST_LENGTH;
}
EXPORT_SYMBOL_GPL(ufshcd_update_reg_hist);
/**
* ufshcd_link_startup - Initialize unipro link startup

6
drivers/scsi/ufs/ufshcd.h
View file

@ -805,6 +805,8 @@ int ufshcd_wait_for_register(struct ufs_hba *hba, u32 reg, u32 mask,
u32 val, unsigned long interval_us,
unsigned long timeout_ms, bool can_sleep);
void ufshcd_parse_dev_ref_clk_freq(struct ufs_hba *hba, struct clk *refclk);
void ufshcd_update_reg_hist(struct ufs_err_reg_hist *reg_hist,
u32 reg);
static inline void check_upiu_size(void)
{
@ -1083,8 +1085,10 @@ static inline void ufshcd_vops_dbg_register_dump(struct ufs_hba *hba)
static inline void ufshcd_vops_device_reset(struct ufs_hba *hba)
{
if (hba->vops && hba->vops->device_reset)
if (hba->vops && hba->vops->device_reset) {
hba->vops->device_reset(hba);
ufshcd_update_reg_hist(&hba->ufs_stats.dev_reset, 0);
}
}
extern struct ufs_pm_lvl_states ufs_pm_lvl_states[];