| Message ID | 3731BF72-B94E-43AA-82FF-46DF9B5E243C@marvell.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/mmc/host/sdhci-pxa.c b/drivers/mmc/host/sdhci-pxa.c index 4713238..c6baf6c 100644 --- a/drivers/mmc/host/sdhci-pxa.c +++ b/drivers/mmc/host/sdhci-pxa.c @@ -132,6 +132,9 @@ static int __devinit sdhci_pxa_probe(struct platform_device *pdev) if (pdata->quirks) host->quirks |= pdata->quirks; + /* enable mmc bus width testing */ + host->mmc->caps |= MMC_CAP_BUS_WIDTH_TEST; + /* If slot design supports 8 bit data, indicate this to MMC. */ if (pdata->flags & PXA_FLAG_SD_8_BIT_CAPABLE_SLOT) host->mmc->caps |= MMC_CAP_8_BIT_DATA;
The PXA family of controllers (PXA168/PXA910/MMP2) support CMD14/CMD19 transactions that are used to test the MMC/eMMC bus width for 1, 4, or 8 bits. Indicate to the mmc layer that it is safe to do bus width testing. Signed-off-by: Philip Rakity <prakity@marvell.com> --- drivers/mmc/host/sdhci-pxa.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)