If pending interrupt for IDMAC exists when probe, it will call interrupt
handler unnecessarily.

Signed-off-by: Joonyoung Shim <jy0922.s...@samsung.com>
---
 drivers/mmc/host/dw_mmc.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 323c502..b0057a2 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2192,6 +2192,7 @@ int dw_mci_probe(struct dw_mci *host)
 
        /* Clear the interrupts for the host controller */
        mci_writel(host, RINTSTS, 0xFFFFFFFF);
+       mci_writel(host, IDSTS, 0xFFFFFFFF);
        mci_writel(host, INTMASK, 0); /* disable all mmc interrupt first */
 
        /* Put in max timeout */
@@ -2243,6 +2244,7 @@ int dw_mci_probe(struct dw_mci *host)
         * receive ready and error such as transmit, receive timeout, crc error
         */
        mci_writel(host, RINTSTS, 0xFFFFFFFF);
+       mci_writel(host, IDSTS, 0xFFFFFFFF);
        mci_writel(host, INTMASK, SDMMC_INT_CMD_DONE | SDMMC_INT_DATA_OVER |
                   SDMMC_INT_TXDR | SDMMC_INT_RXDR |
                   DW_MCI_ERROR_FLAGS | SDMMC_INT_CD);
@@ -2393,6 +2395,7 @@ int dw_mci_resume(struct dw_mci *host)
        mci_writel(host, FIFOTH, host->fifoth_val);
 
        mci_writel(host, RINTSTS, 0xFFFFFFFF);
+       mci_writel(host, IDSTS, 0xFFFFFFFF);
        mci_writel(host, INTMASK, SDMMC_INT_CMD_DONE | SDMMC_INT_DATA_OVER |
                   SDMMC_INT_TXDR | SDMMC_INT_RXDR |
                   DW_MCI_ERROR_FLAGS | SDMMC_INT_CD);
-- 
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to