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diff -urN -x CVS linux-2.6.32/drivers/mmc/host/at91_mci.c linux-2.6/drivers/mmc/host/at91_mci.c
--- linux-2.6.32/drivers/mmc/host/at91_mci.c 2010-01-28 20:30:25.000000000 +0200
+++ linux-2.6/drivers/mmc/host/at91_mci.c 2009-12-14 21:55:58.000000000 +0200
@@ -201,7 +201,7 @@
len = data->sg_len;
/* AT91SAM926[0/3] Data Write Operation and number of bytes erratum */
- if (cpu_is_at91sam9260() || cpu_is_at91sam9263())
+ if (cpu_is_at91sam9260() || cpu_is_at91sam9263() || cpu_is_at91sam9g20())
if (host->total_length == 12)
memset(dmabuf, 0, 12);
@@ -461,7 +461,7 @@
at91_mci_write(host, AT91_MCI_DTOR, AT91_MCI_DTOMUL_1M | AT91_MCI_DTOCYC);
mr = AT91_MCI_PDCMODE | 0x34a;
- if (cpu_is_at91sam9260() || cpu_is_at91sam9263())
+ if (cpu_is_at91sam9260() || cpu_is_at91sam9263() || cpu_is_at91sam9g20())
mr |= AT91_MCI_RDPROOF | AT91_MCI_WRPROOF;
at91_mci_write(host, AT91_MCI_MR, mr);
@@ -617,7 +617,7 @@
* AT91SAM926[0/3] Data Write Operation and
* number of bytes erratum
*/
- if (cpu_is_at91sam9260 () || cpu_is_at91sam9263())
+ if (cpu_is_at91sam9260 () || cpu_is_at91sam9263() || cpu_is_at91sam9g20())
if (host->total_length < 12)
host->total_length = 12;
@@ -1017,7 +1017,7 @@
host->bus_mode = 0;
host->board = pdev->dev.platform_data;
if (host->board->wire4) {
- if (cpu_is_at91sam9260() || cpu_is_at91sam9263())
+ if (cpu_is_at91sam9260() || cpu_is_at91sam9263() || cpu_is_at91sam9g20())
mmc->caps |= MMC_CAP_4_BIT_DATA;
else
dev_warn(&pdev->dev, "4 wire bus mode not supported"
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