On 1/30/20 6:34 AM, Masahiro Yamada wrote:
> Hi Marek,
Hi,

> On Thu, Jan 30, 2020 at 7:03 AM Marek Vasut <ma...@denx.de> wrote:
>>
>> On 1/29/20 6:08 PM, Simon Goldschmidt wrote:
>>> Am 29.01.2020 um 16:55 schrieb Masahiro Yamada:
>>>> UCLASS_MTD is a better fit for NAND drivers.
>>>>
>>>> Make NAND_DENALI_DT depend on DM_MTD, which is needed to compile
>>>> drivers/mtd/mtd-uclass.c
>>>>
>>>> Also, make ARCH_SOCFPGA and ARCH_UNIPHIER select DM_MTD because
>>>> they use this driver.
>>>>
>>>> Signed-off-by: Masahiro Yamada <yamada.masah...@socionext.com>
>>>> ---
>>>>
>>>> Changes in v2:
>>>>   - new patch
>>>>
>>>>   arch/arm/Kconfig                 | 2 ++
>>>>   drivers/mtd/nand/raw/Kconfig     | 2 +-
>>>>   drivers/mtd/nand/raw/denali_dt.c | 4 ++--
>>>>   3 files changed, 5 insertions(+), 3 deletions(-)
>>>>
>>>> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
>>>> index 1236315168..d1c58667c7 100644
>>>> --- a/arch/arm/Kconfig
>>>> +++ b/arch/arm/Kconfig
>>>> @@ -935,6 +935,7 @@ config ARCH_SOCFPGA
>>>>       select ARM64 if TARGET_SOCFPGA_STRATIX10 || TARGET_SOCFPGA_AGILEX
>>>>       select CPU_V7A if TARGET_SOCFPGA_GEN5 || TARGET_SOCFPGA_ARRIA10
>>>>       select DM
>>>> +    select DM_MTD
>>>
>>> Does any socfpga actually enable the denali driver? Do we need to
>>> default to this instead of enabling it in a defconfig?
>>>
>>> If we need it, could you please change that to 'imply'? Not all configs
>>> will need this.
>>
>> No SoCFPGA enables the Denali NAND, because support for that was
>> completely broken and I was waiting until the Denali NAND patches make
>> it in before sending that platform which will use it.
>>
>> Indeed, DM_MTD should be enabled in platform config, not in general.
> 
> 
> Right. None of ARCH_SOCFPGA boards enables the Denali,
> It is up to you whichever defconfig you add the CONFIG option to.
> 
> I still prefer "select DM_MTD" for ARCH_UNIPHIER
> because all uniphier_*_defconfig enables the Denali driver.
> 
> 
> 
> I will drop "select DM_MTD" from ARCH_SOCFPGA.
> 
> Is this OK for you ?

Yes, thanks.

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