Subject of this patch needs to modify from "INSTS" to "IDSTS". add CC'd Seungwon Acked-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx> On 04/18/2013 02:21 PM, Joonyoung Shim wrote: > If pending interrupt for IDMAC exists when probe, it will call interrupt > handler unnecessarily. > > Signed-off-by: Joonyoung Shim <jy0922.shim@xxxxxxxxxxx> > --- > 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); > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
