diff options
Diffstat (limited to 'drivers/scsi/ufs/ufshcd.c')
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 3fe3029617a8..04d3686511c8 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -3908,7 +3908,7 @@ static void ufshcd_auto_hibern8_enable(struct ufs_hba *hba) { unsigned long flags; - if (!(hba->capabilities & MASK_AUTO_HIBERN8_SUPPORT) || !hba->ahit) + if (!ufshcd_is_auto_hibern8_supported(hba) || !hba->ahit) return; spin_lock_irqsave(hba->host->host_lock, flags); @@ -5255,6 +5255,7 @@ static void ufshcd_err_handler(struct work_struct *work) goto skip_err_handling; } if ((hba->saved_err & INT_FATAL_ERRORS) || + (hba->saved_err & UFSHCD_UIC_HIBERN8_MASK) || ((hba->saved_err & UIC_ERROR) && (hba->saved_uic_err & (UFSHCD_UIC_DL_PA_INIT_ERROR | UFSHCD_UIC_DL_NAC_RECEIVED_ERROR | @@ -5414,6 +5415,23 @@ static void ufshcd_update_uic_error(struct ufs_hba *hba) __func__, hba->uic_error); } +static bool ufshcd_is_auto_hibern8_error(struct ufs_hba *hba, + u32 intr_mask) +{ + if (!ufshcd_is_auto_hibern8_supported(hba)) + return false; + + if (!(intr_mask & UFSHCD_UIC_HIBERN8_MASK)) + return false; + + if (hba->active_uic_cmd && + (hba->active_uic_cmd->command == UIC_CMD_DME_HIBER_ENTER || + hba->active_uic_cmd->command == UIC_CMD_DME_HIBER_EXIT)) + return false; + + return true; +} + /** * ufshcd_check_errors - Check for errors that need s/w attention * @hba: per-adapter instance @@ -5432,6 +5450,15 @@ static void ufshcd_check_errors(struct ufs_hba *hba) queue_eh_work = true; } + if (hba->errors & UFSHCD_UIC_HIBERN8_MASK) { + dev_err(hba->dev, + "%s: Auto Hibern8 %s failed - status: 0x%08x, upmcrs: 0x%08x\n", + __func__, (hba->errors & UIC_HIBERNATE_ENTER) ? + "Enter" : "Exit", + hba->errors, ufshcd_get_upmcrs(hba)); + queue_eh_work = true; + } + if (queue_eh_work) { /* * update the transfer error masks to sticky bits, let's do this @@ -5494,6 +5521,10 @@ static void ufshcd_tmc_handler(struct ufs_hba *hba) static void ufshcd_sl_intr(struct ufs_hba *hba, u32 intr_status) { hba->errors = UFSHCD_ERROR_MASK & intr_status; + + if (ufshcd_is_auto_hibern8_error(hba, intr_status)) + hba->errors |= (UFSHCD_UIC_HIBERN8_MASK & intr_status); + if (hba->errors) ufshcd_check_errors(hba); @@ -8313,7 +8344,7 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) UIC_LINK_HIBERN8_STATE); /* Set the default auto-hiberate idle timer value to 150 ms */ - if (hba->capabilities & MASK_AUTO_HIBERN8_SUPPORT) { + if (ufshcd_is_auto_hibern8_supported(hba) && !hba->ahit) { hba->ahit = FIELD_PREP(UFSHCI_AHIBERN8_TIMER_MASK, 150) | FIELD_PREP(UFSHCI_AHIBERN8_SCALE_MASK, 3); } |