[PATCH 0/3] Remove CONFIG_MMC_BROKEN_CD

Jaehoon Chung jh80.chung at samsung.com
Mon Feb 24 03:41:19 CET 2020


On 2/22/20 2:05 AM, Tom Rini wrote:
> On Fri, Feb 21, 2020 at 04:21:52PM +0900, Jaehoon Chung wrote:
>> On 2/21/20 10:07 AM, Jaehoon Chung wrote:
>>> Hi Tom,
>>>
>>> On 2/21/20 4:57 AM, Tom Rini wrote:
>>>> On Thu, Feb 20, 2020 at 01:45:31PM +0900, Jaehoon Chung wrote:
>>>>
>>>>> CONFIG_MMC_BROKEN_CD needs not to define to Kconfig.
>>>>> broken-cd is already provide to dt-property.
>>>>> If want to poll card-detect, set to broken-cd instead of enabling CONFIG_MMC_BROKEN_CD.
>>>>>
>>>>> When checked the boards that is eabled CONFIG_MMC_BROKEN_CD,
>>>>> it also used the value of dt as broken-cd.
>>>>>
>>>>> Jaehoon Chung (3):
>>>>>   mmc: jz_mmc; add MMC_CAP_NEEDS_POLL by default
>>>>>   mmc: check the flags of host_caps about broken-cd
>>>>>   mmc: Kconfig: remove MMC_BROKEN_CD configuration
>>>>>
>>>>>  configs/brppt2_defconfig    |  1 -
>>>>>  configs/ci20_mmc_defconfig  |  1 -
>>>>>  configs/meerkat96_defconfig |  1 -
>>>>>  drivers/mmc/Kconfig         |  5 -----
>>>>>  drivers/mmc/jz_mmc.c        |  6 ++++--
>>>>>  drivers/mmc/mmc.c           | 10 +++++-----
>>>>>  6 files changed, 9 insertions(+), 15 deletions(-)
>>>>
>>>> Did you size-test this change?  ci20 is extremely tight on space.
>>>
>>> I didn't check size-test about this. Is there any check-tool?
>>> If there is check-tool, let me know, plz. Then i will check it. (In future, I will check before sending patch.)
>>> I just checked this patch with CI.
>>
>> u-boot.img  : 327573 -> 327625
>> u-boot-spl.bin : 10336 -> 10464
>>
>> What is ci20's limitation size?
> 
> 
> The ci20 limit is  ((14 * 1024) - 0xa00) for SPL.  So we grow by 100
> bytes.  And with that small of an SPL we're not using DT, so, is the
> driver still acting correctly?  Can we restructure the change such that
> growth is absolutely minimal?  Thanks!

I will re-check this side.  I didn't know that ci20 limit is too smaller.
As you mentioned, ci20 SPL  doesn't use dt. So it needs to set to NEEDS_POLL capability.
After checking more, i will resend patches.
Thanks for reviewing. 

Best Regards,
Jaehoon Chung

> 



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