Re: [PATCH] mmc: host: arasan: sdhci-of-arasan: Remove no-hispd and no-cmd23 quirks for sdhci-arasan4.9a

[Rameshwar Sahu <rsahu@apm.com>]

Hi Jaehoon,

On Thu, Jan 7, 2016 at 7:03 AM, Jaehoon Chung <jh80.chung@samsung.com> wrote:
> Hi,
>
> On 01/05/2016 07:25 PM, Rameshwar Sahu wrote:
>> Hi Ulf,
>>
>> On Wed, Dec 23, 2015 at 6:59 PM, Rameshswar Prasad Sahu <rsahu@apm.com> wrote:
>>> From: Rameshwar Prasad Sahu <rsahu@apm.com>
>>>
>>> The Arason SD host controller supports set block count command (cmd23)
>>> and high speed mode. This patch re-enable both of these features that
>>> was disabled. For device that doesn't support high speed, it should
>>> configure its capability register accordingly instead disables it
>>> explicitly.
>>>
>>> Signed-off-by: Rameshwar Prasad Sahu <rsahu@apm.com>
>>> ---
>>>  drivers/mmc/host/sdhci-of-arasan.c |    5 -----
>>>  1 files changed, 0 insertions(+), 5 deletions(-)
>>>
>>> diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
>>> index 75379cb..5d9fdb3 100644
>>> --- a/drivers/mmc/host/sdhci-of-arasan.c
>>> +++ b/drivers/mmc/host/sdhci-of-arasan.c
>>> @@ -172,11 +172,6 @@ static int sdhci_arasan_probe(struct platform_device *pdev)
>>>                 goto clk_disable_all;
>>>         }
>>>
>>> -       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;
>
> I'm not sure what's correct since i didn't have any information for arasan.
> But in case of exynos, SDHCI_QUIRK_NO_HISPD_BIT is used because that bit is used as other purpose.
> If your SoC is not used anymore, i think this patch looks good.

Our SoC doesn't need that bit, that's why we are going to remove it.

>
> Best Regards,
> Jaehoon Chung
>
>>> -       }
>>> -
>>>         sdhci_get_of_property(pdev);
>>>         pltfm_host = sdhci_priv(host);
>>>         pltfm_host->priv = sdhci_arasan;
>>> --
>>> 1.7.1
>>>
>>
>> Any comment on this patch ??
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>>
>