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-rw-r--r--drivers/mmc/s5p_mmc.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/mmc/s5p_mmc.c b/drivers/mmc/s5p_mmc.c
index f136813..7786ecf 100644
--- a/drivers/mmc/s5p_mmc.c
+++ b/drivers/mmc/s5p_mmc.c
@@ -232,9 +232,15 @@ static int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
__func__, mask);
return -1;
} else if (mask & (1 << 3)) {
- /* DMA Interrupt */
+ /*
+ * DMA Interrupt, restart the transfer where
+ * it was interrupted.
+ */
+ unsigned int address = readl(&host->reg->sysad);
+
debug("DMA end\n");
- break;
+ writel((1 << 3), &host->reg->norintsts);
+ writel(address, &host->reg->sysad);
} else if (mask & (1 << 1)) {
/* Transfer Complete */
debug("r/w is done\n");
@@ -425,12 +431,13 @@ static int mmc_core_init(struct mmc *mmc)
* NORMAL Interrupt Status Enable Register init
* [5] ENSTABUFRDRDY : Buffer Read Ready Status Enable
* [4] ENSTABUFWTRDY : Buffer write Ready Status Enable
+ * [3] ENSTADMAINT : DMA Interrupt Status Enable
* [1] ENSTASTANSCMPLT : Transfre Complete Status Enable
* [0] ENSTACMDCMPLT : Command Complete Status Enable
- */
+ */
mask = readl(&host->reg->norintstsen);
mask &= ~(0xffff);
- mask |= (1 << 5) | (1 << 4) | (1 << 1) | (1 << 0);
+ mask |= (1 << 5) | (1 << 4) | (1 << 3) | (1 << 1) | (1 << 0);
writel(mask, &host->reg->norintstsen);
/*