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-rw-r--r--drivers/mmc/host/at91_mci.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c
index 3cd00c6..8327dae 100644
--- a/drivers/mmc/host/at91_mci.c
+++ b/drivers/mmc/host/at91_mci.c
@@ -929,7 +929,7 @@ static int __init at91_mci_probe(struct platform_device *pdev)
mmc->f_min = 375000;
mmc->f_max = 25000000;
mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
- mmc->caps = MMC_CAP_SDIO_IRQ;
+ mmc->caps = 0;
mmc->max_blk_size = MCI_MAXBLKSIZE;
mmc->max_blk_count = MCI_BLKATONCE;
@@ -958,6 +958,13 @@ static int __init at91_mci_probe(struct platform_device *pdev)
goto fail5;
}
+ /* Add SDIO capability when available */
+ if (cpu_is_at91sam9260() || cpu_is_at91sam9263()) {
+ /* AT91SAM9260/9263 erratum */
+ if (host->board->wire4 || !host->board->slot_b)
+ mmc->caps |= MMC_CAP_SDIO_IRQ;
+ }
+
/*
* Reserve GPIOs ... board init code makes sure these pins are set
* up as GPIOs with the right direction (input, except for vcc)