ARM: 7214/1: mmc: mmci: Fixup handling of MCI_STARTBITERR
Ulf Hansson [Tue, 13 Dec 2011 15:51:04 +0000 (16:51 +0100)]
commit b63038d6f4ca5d1849ce01d9fc5bb9cb426dec73 upstream.

The interrupt was previously enabled and then correctly cleared.
Now we also handle it correctly.

Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/mmc/host/mmci.c

index 56e9a41..94607cd 100644 (file)
@@ -673,7 +673,8 @@ mmci_data_irq(struct mmci_host *host, struct mmc_data *data,
              unsigned int status)
 {
        /* First check for errors */
-       if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_TXUNDERRUN|MCI_RXOVERRUN)) {
+       if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_STARTBITERR|
+                     MCI_TXUNDERRUN|MCI_RXOVERRUN)) {
                u32 remain, success;
 
                /* Terminate the DMA transfer */
@@ -953,8 +954,9 @@ static irqreturn_t mmci_irq(int irq, void *dev_id)
                dev_dbg(mmc_dev(host->mmc), "irq0 (data+cmd) %08x\n", status);
 
                data = host->data;
-               if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_TXUNDERRUN|
-                             MCI_RXOVERRUN|MCI_DATAEND|MCI_DATABLOCKEND) && data)
+               if (status & (MCI_DATACRCFAIL|MCI_DATATIMEOUT|MCI_STARTBITERR|
+                             MCI_TXUNDERRUN|MCI_RXOVERRUN|MCI_DATAEND|
+                             MCI_DATABLOCKEND) && data)
                        mmci_data_irq(host, data, status);
 
                cmd = host->cmd;