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Re: [ath9k-devel] [RFC] ath9k: use correct init values for ar9100 devices

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Sujith írta:
> Gabor Juhos wrote:
>>>> +#define AR_SREV_5416(_ah) \
>>>> +       (((_ah)->hw_version.macVersion == AR_SREV_VERSION_5416_PCIE) || \
>>>> +       ((_ah)->hw_version.macVersion == AR_SREV_VERSION_5416_PCI))
>>>> +#define AR_SREV_5416_V20_OR_LATER(_ah) \
>>>> +       (((_ah)->hw_version.macVersion > AR_SREV_VERSION_5416_PCIE) || \
>>>> +       ((AR_SREV_5416(_ah)) && \
>>>> +       ((_ah)->hw_version.macRev >= AR_SREV_REVISION_5416_20)))
>>>> +#define AR_SREV_5416_V22_OR_LATER(_ah) \
>>>> +       (((_ah)->hw_version.macVersion > AR_SREV_VERSION_5416_PCIE) || \
>>>> +       ((AR_SREV_5416(_ah)) && \
>>>> +       ((_ah)->hw_version.macRev >= AR_SREV_REVISION_5416_22)))
>>>> +
>>> Hm, the 5416_V1, 5416_V2 macros have to check 3 different HW (5416, 9100, 9160).
>> I don't see any 5416_V1 macro here. The AR_SREV_5416 should check the silicon
>> revision of the AR5416 cards only. But if we would be consistent, we should have
>> a _V10_OR_LATER although i don't see where it would be useful. The _V20_OR_LATER
>> and the _V22_OR_LATER macro I proposed above will cover the 9100 and 9160 chips.
>>
> 
> I meant the AR_SREV_5416_V20_OR_LATER and AR_SREV_5416_V22_OR_LATER macros.
> Yes, the naming implies that they are meant for AR5416 chipsets only, but they
> do handle AR9100 and AR9160 chipsets.
> 
> The proposed macros don't have the AR9100 and AR9160 macVersion checks, no ?

You are right, they don't have such version checks explicitly, but

AR_SREV_VERSION_9100 > AR_SREV_VERSION_5416_PCIE and
AR_SREV_VERSION_9160 > AR_SREV_VERSION_5416_PCIE

Maybe this looks cleaner:

#define AR_SREV_5416_V20_OR_LATER(_ah) \
	(((_ah)->hw_version.macVersion >= AR_SREV_VERSION_9100) || \
	 ((AR_SREV_5416(_ah)) && \
	 ((_ah)->hw_version.macRev >= AR_SREV_REVISION_5416_20)))

#define AR_SREV_5416_V22_OR_LATER(_ah) \
	(((_ah)->hw_version.macVersion >= AR_SREV_VERSION_9100) || \
	 ((AR_SREV_5416(_ah)) && \
	 ((_ah)->hw_version.macRev >= AR_SREV_REVISION_5416_22)))

or in this form:

#define AR_SREV_5416_V20_OR_LATER(_ah) \
	(((AR_SREV_5416(_ah)) && \
	 ((_ah)->hw_version.macRev >= AR_SREV_REVISION_5416_20)) || \
	 ((_ah)->hw_version.macVersion >= AR_SREV_VERSION_9100))

#define AR_SREV_5416_V22_OR_LATER(_ah) \
	(((AR_SREV_5416(_ah)) && \
	 ((_ah)->hw_version.macRev >= AR_SREV_REVISION_5416_22)) || \
	 ((_ah)->hw_version.macVersion >= AR_SREV_VERSION_9100))


Regards,
Gabor

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