[U-Boot] [PATCH v2 0/3] cadence-quadspi: Fix issues with non 32bit aligned accesses

[Simon Goldschmidt]

On 23.01.2018 10:16, Vignesh R wrote:
>
> On Tuesday 23 January 2018 02:37 PM, Jagan Teki wrote:
>> On Tue, Jan 23, 2018 at 2:32 PM, Vignesh R <vigneshr at ti.com> wrote:
>>>
>>> On Tuesday 23 January 2018 02:15 PM, Jagan Teki wrote:
>>>> On Tue, Jan 23, 2018 at 1:42 PM, Simon Goldschmidt
>>>> <sgoldschmidt at de.pepperl-fuchs.com> wrote:
>>>>> Jagan,
>>>>>
>>>>>
>>>>> the merge window is now less than 1 week for 2018.03 if I'm not mistaken.
>>>>> Can you apply this, please?
>>>> Can you resend these on-top of u-boot-spi/master, have few changes on
>>>> wait_for_bit good to test those as well.
>>> u-boot-spi/master throws few warnings when I build for my platform:
>>> ~/workspace/u-boot:0f520af57c60:~ make distclean;make k2g_evm_defconfig;make -j4 -s;
>>>
>>> In file included from drivers/spi/cadence_qspi_apb.c:31:0:
>>> include/wait_bit.h: In function 'wait_for_bit_be16':
>>> include/wait_bit.h:76:31: warning: implicit declaration of function 'readw_be' [-Wimplicit-function-declaration]
>>>   BUILD_WAIT_FOR_BIT(be16, u16, readw_be)
>>>                                 ^
>>> include/wait_bit.h:48:9: note: in definition of macro 'BUILD_WAIT_FOR_BIT'
>>>     val = read(reg);     \
>>>           ^~~~
>>> include/wait_bit.h: In function 'wait_for_bit_be32':
>>> include/wait_bit.h:78:31: warning: implicit declaration of function 'readl_be' [-Wimplicit-function-declaration]
>>>   BUILD_WAIT_FOR_BIT(be32, u32, readl_be)
>>>                                 ^
>>> include/wait_bit.h:48:9: note: in definition of macro 'BUILD_WAIT_FOR_BIT'
>>>     val = read(reg);     \
>>>           ^~~~
>> Did you change wait_for_bit function with _le32? [1]
>>
>> [1] http://git.denx.de/?p=u-boot-spi.git;a=commitdiff;h=9a5ff2669ef185d3a4bf73415c531e8d013993d8
>>
> Yes, I am building plain u-boot-spi/master(HEAD: 0f520af57c60f3baba8
> ("spi: kirkwood_spi: implement workaround for FE-9144572")). So, above
> commit is part of the tree.
>
> Problem is above commit adds
> BUILD_WAIT_FOR_BIT(be32, u32, read*_be) variants.
> But, readl_be and readw_be seems to be undefined for ARM?
>
>

Vignesh, I think there's an ongoing discussion about this on the u-boot 
list to fix this?

Regards,
Simon