Re: [PATCH v9 07/16] mmc: sdhci-msm: Add get_min_clock() and get_max_clock() callback

[Ritesh Harjani <riteshh@codeaurora.org>]

On 4/27/2017 5:14 PM, Greg Kroah-Hartman wrote:
> On Thu, Apr 27, 2017 at 01:29:22PM +0300, Georgi Djakov wrote:
>> On 04/27/2017 12:52 PM, Greg Kroah-Hartman wrote:
>>> On Thu, Apr 27, 2017 at 11:03:08AM +0200, Ulf Hansson wrote:
>>>> +Greg
>>>> -trimmed cc
>>>>
>>>> On 26 April 2017 at 23:44, Andy Gross <andy.gross@linaro.org> wrote:
>>>>> On Mon, Nov 21, 2016 at 12:07:17PM +0530, Ritesh Harjani wrote:
>>>>>> This add get_min_clock() and get_max_clock() callback
>>>>>> for sdhci-msm. sdhci-msm min/max clocks may be different
>>>>>> hence implement these callbacks.
>>>>>>
>>>>>> Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
>>>>>> Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org>
>>>>>> Acked-by: Adrian Hunter <adrian.hunter@intel.com>
>>>>>
>>>>> This patch needs to be picked up for stable as 4.9 is currently broken w.r.t.
>>>>> MMC on Qualcomm platforms.
>>>>>
>>>>> Fixes: d84be51d1c1d ("mmc: sdhci-msm: Enable few quirks")
>>>>>
>>>>> Regards,
>>>>>
>>>>> Andy Gross
>>>>
>>>> I did a quick investigation around this.
>>>>
>>>> So for some reason Greg decided to pick up the original commit,
>>>> a0e3142869d2 ("mmc: sdhci-msm: Enable few quirks"), for 4.9 stable
>>>> [1], even if that patch wasn't sent or tagged for stable.
>>>> It was a mistake, as simple as that - and I should also have spotted
>>>> it when Greg posted his stable-review series, sorry.
>>>>
>>>> For clarification, the original commit a0e3142869d2 ("mmc: sdhci-msm:
>>>> Enable few quirks"), is present in 4.10 together with $subject patch.
>>>> So the regression is present only in 4.9 stable.
>>>>
>>>> Greg, can you pick up @subject patch for stable according to Andy's
>>>> suggestion or you want some of us to re-post it to stable?
>>>
>>> Sorry about this.  What git commit should I take for this from Linus's
>>> tree for the 4.9-stable tree?  Or if there isn't one, I'll be glad to
>>> just revert this.
>>>
>>
>> Thanks Greg and Ulf,
>>
>> A revert of d84be51d1c1d ("mmc: sdhci-msm: Enable few quirks") would be
>> the best solution.
>>
>> The other option is to pick 80031bdeb764 ("mmc: sdhci-msm: Add
>> get_min_clock() and get_max_clock() callback").
> 
> I've reverted it now, thanks.
Thanks Ulf, Greg and all.

Regards
Ritesh


> 
> greg k-h
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