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-rw-r--r--drivers/mmc/host/mmci.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 90d168ad03b6..643818a5ac45 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -184,6 +184,17 @@ mmci_data_irq(struct mmci_host *host, struct mmc_data *data,
{
if (status & MCI_DATABLOCKEND) {
host->data_xfered += data->blksz;
+#ifdef CONFIG_ARCH_U300
+ /*
+ * On the U300 some signal or other is
+ * badly routed so that a data write does
+ * not properly terminate with a MCI_DATAEND
+ * status flag. This quirk will make writes
+ * work again.
+ */
+ if (data->flags & MMC_DATA_WRITE)
+ status |= MCI_DATAEND;
+#endif
}
if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_TXUNDERRUN|MCI_RXOVERRUN)) {
if (status & MCI_DATACRCFAIL)