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Merge "scsi: ufs: Record last intr status and its timestamp"

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qctecmdr 2020-06-24 22:34:02 -07:00 • committed by Gerrit - the friendly Code Review server
commit 524546f263
1 changed files with 9 additions and 0 deletions
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9
drivers/scsi/ufs/ufshcd.c
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@ -521,6 +521,11 @@ static void ufshcd_print_host_state(struct ufs_hba *hba)
dev_err(hba->dev, "UFS Host state=%d\n", hba->ufshcd_state);
dev_err(hba->dev, "lrb in use=0x%lx, outstanding reqs=0x%lx tasks=0x%lx\n",
hba->lrb_in_use, hba->outstanding_reqs, hba->outstanding_tasks);
#if defined(CONFIG_SCSI_UFSHCD_QTI)
dev_err(hba->dev, "last intr ts=%lld, last intr status=0x%x\n",
ktime_to_us(hba->ufs_stats.last_intr_ts),
hba->ufs_stats.last_intr_status);
#endif
dev_err(hba->dev, "saved_err=0x%x, saved_uic_err=0x%x\n",
hba->saved_err, hba->saved_uic_err);
dev_err(hba->dev, "Device power mode=%d, UIC link state=%d\n",
@ -6100,6 +6105,10 @@ static irqreturn_t ufshcd_intr(int irq, void *__hba)
spin_lock(hba->host->host_lock);
intr_status = ufshcd_readl(hba, REG_INTERRUPT_STATUS);
#if defined(CONFIG_SCSI_UFSHCD_QTI)
hba->ufs_stats.last_intr_status = intr_status;
hba->ufs_stats.last_intr_ts = ktime_get();
#endif
/*
* There could be max of hba->nutrs reqs in flight and in worst case