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Subject[PATCH V1 5/8] scsi: ufs: fix interrupt status clears
Date
There is no need to check the version to clear
the interrupt status. And the order is changed
prior to actual handling.

Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Tested-by: Maya Erez <merez@codeaurora.org>
Acked-by: Santosh Y <santoshsy@gmail.com>

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index c342a38..f4293d1 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -1478,11 +1478,8 @@ static irqreturn_t ufshcd_intr(int irq, void *__hba)
intr_status = ufshcd_readl(hba, REG_INTERRUPT_STATUS);

if (intr_status) {
+ ufshcd_writel(hba, intr_status, REG_INTERRUPT_STATUS);
ufshcd_sl_intr(hba, intr_status);
-
- /* If UFSHCI 1.0 then clear interrupt status register */
- if (hba->ufs_version == UFSHCI_VERSION_10)
- ufshcd_writel(hba, intr_status, REG_INTERRUPT_STATUS);
retval = IRQ_HANDLED;
}
spin_unlock(hba->host->host_lock);
--
1.7.6
--
QUALCOMM ISRAEL, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation


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