On Tue, Jul 21, 2015 at 6:43 PM, Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote:
> On 19 June 2015 at 14:28, Suman Tripathi <stripathi@xxxxxxx> wrote:
>> 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.
>
> Agree!
>
> So I guess that will change patch1 and this one can be completely dropped?
yes.
>
> Kind regards
> Uffe
--
Thanks,
with regards,
Suman Tripathi
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