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| author | Stanley Chu <stanley.chu@mediatek.com> | 2020-01-04 22:26:07 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-01-15 21:59:44 -0500 |
| commit | a5fe372d92396bbcae2e2688e542d8d77e34662b (patch) | |
| tree | 078783fba2fe2252cc5a83825da9983afbf23c83 /drivers | |
| parent | 645728a6448fece4817acdb7efba7c19e5c3e311 (diff) | |
| download | linux-a5fe372d92396bbcae2e2688e542d8d77e34662b.tar.gz linux-a5fe372d92396bbcae2e2688e542d8d77e34662b.tar.bz2 linux-a5fe372d92396bbcae2e2688e542d8d77e34662b.zip | |
scsi: ufs: add device reset history for vendor implementations
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 5 | ||||
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 6 |
2 files changed, 8 insertions, 3 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index bae43da00bb6..29e3d50aabfb 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -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 diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index e05cafddc87b..de1be6a862b0 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -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[]; |