sdhci: make sure to clear the error interrupt
authorPierre Ossman <drzeus@drzeus.cx>
Fri, 20 Jul 2007 16:20:36 +0000 (18:20 +0200)
committerPierre Ossman <drzeus@drzeus.cx>
Fri, 20 Jul 2007 16:51:44 +0000 (18:51 +0200)
The controller has a bit indicating that one of the higher bits (the
error bits) are set. A previous bug caused this bit to be masked, but
since that bug has been fixed we have to clear it explicictly.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
drivers/mmc/host/sdhci.c
drivers/mmc/host/sdhci.h

index 10d15c39d003a58e372f306c53c3f5d3aba76787..4a24db028d87f1902ce2b27628a3f90dff29852f 100644 (file)
@@ -1024,6 +1024,8 @@ static irqreturn_t sdhci_irq(int irq, void *dev_id)
 
        intmask &= ~(SDHCI_INT_CMD_MASK | SDHCI_INT_DATA_MASK);
 
+       intmask &= ~SDHCI_INT_ERROR;
+
        if (intmask & SDHCI_INT_BUS_POWER) {
                printk(KERN_ERR "%s: Card is consuming too much power!\n",
                        mmc_hostname(host->mmc));
index 7400f4bc114f7c18a1c921e71de2fd199757bc41..a6c870480b8a02700cde756566e05926f5284fd5 100644 (file)
 #define  SDHCI_INT_CARD_INSERT 0x00000040
 #define  SDHCI_INT_CARD_REMOVE 0x00000080
 #define  SDHCI_INT_CARD_INT    0x00000100
+#define  SDHCI_INT_ERROR       0x00008000
 #define  SDHCI_INT_TIMEOUT     0x00010000
 #define  SDHCI_INT_CRC         0x00020000
 #define  SDHCI_INT_END_BIT     0x00040000