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SubjectRe: [PATCH net-next 4/6] net: ipa: add support to code for IPA v4.5
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On 12/1/20 12:11 PM, Jon Hunter wrote:
>
> On 25/11/2020 20:45, Alex Elder wrote:
>> Update the IPA code to make use of the updated IPA v4.5 register
>> definitions. Generally what this patch does is, if IPA v4.5
>> hardware is in use:
>> - Ensure new registers or fields in IPA v4.5 are updated where
>> required
>> - Ensure registers or fields not supported in IPA v4.5 are not
>> examined when read, or are set to 0 when written
>> It does this while preserving the existing functionality for IPA
>> versions lower than v4.5.
>>
>> The values to program for QSB_MAX_READS and QSB_MAX_WRITES and the
>> source and destination resource counts are updated to be correct for
>> all versions through v4.5 as well.
>>
>> Note that IPA_RESOURCE_GROUP_SRC_MAX and IPA_RESOURCE_GROUP_DST_MAX
>> already reflect that 5 is an acceptable number of resources (which
>> IPA v4.5 implements).
>>
>> Signed-off-by: Alex Elder <elder@linaro.org>
>
>
> This change is generating the following build error on ARM64 ...

Sorry about that. Thank you for reporting this, I will investigate.

-Alex

> In file included from drivers/net/ipa/ipa_main.c:9:0:
> In function ‘u32_encode_bits’,
> inlined from ‘ipa_hardware_config_qsb.isra.7’ at drivers/net/ipa/ipa_main.c:286:6,
> inlined from ‘ipa_hardware_config’ at drivers/net/ipa/ipa_main.c:363:2,
> inlined from ‘ipa_config.isra.12’ at drivers/net/ipa/ipa_main.c:555:2,
> inlined from ‘ipa_probe’ at drivers/net/ipa/ipa_main.c:835:6:
> ./include/linux/bitfield.h:131:3: error: call to ‘__field_overflow’ declared with attribute error: value doesn't fit into mask
> __field_overflow(); \
> ^~~~~~~~~~~~~~~~~~
> ./include/linux/bitfield.h:151:2: note: in expansion of macro ‘____MAKE_OP’
> ____MAKE_OP(u##size,u##size,,)
> ^~~~~~~~~~~
> ./include/linux/bitfield.h:154:1: note: in expansion of macro ‘__MAKE_OP’
> __MAKE_OP(32)
> ^~~~~~~~~
>
> Cheers
> Jon
>

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