Hi ,
On Fri, Jun 19, 2015 at 5:30 PM, Suman Tripathi <stripathi@xxxxxxx> wrote:
> This patch disables the 1.8V signaling for arasan 4.9a version
> of SDHCI controller with the help SDHCI_QUIRK2_NO_1_8_V quirk.
>
> Signed-off-by: Suman Tripathi <stripathi@xxxxxxx>
> ---
> ---
> drivers/mmc/host/sdhci-of-arasan.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
> index 21c0c08..4c99ea4 100644
> --- a/drivers/mmc/host/sdhci-of-arasan.c
> +++ b/drivers/mmc/host/sdhci-of-arasan.c
> @@ -171,7 +171,8 @@ static int sdhci_arasan_probe(struct platform_device *pdev)
>
> if (of_device_is_compatible(pdev->dev.of_node, "arasan,sdhci-4.9a")) {
> host->quirks |= SDHCI_QUIRK_NO_HISPD_BIT;
> - host->quirks2 |= SDHCI_QUIRK2_HOST_NO_CMD23;
> + host->quirks2 |= SDHCI_QUIRK2_HOST_NO_CMD23 |
> + SDHCI_QUIRK2_NO_1_8_V;
> }
I think I am wrong here. No-1.8v is something related to board
regulator circuitry not related to IP version. So it should be dts
driven.
>
> sdhci_get_of_property(pdev);
> --
> 1.8.2.1
>
--
Thanks,
with regards,
Suman Tripathi
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