On Thu, May 26, 2011 at 10:30 AM, Adrian Chadd <adrian@xxxxxxxxxxx> wrote:
> Hi,
>
> The AR9287 initial calibration in ar9002_hw_init_cal() isn't ever
> called because the Kite check (AR_SREV_9285_12_OR_LATER()) matches on
> MACs versioned Kite and later.
yes, instead the calibration initialization for AR9285_12_OR_LATER is called.
>
> The Atheros newma code checks it is Kite as well as being Kite >= 1.2.
yes thats true.
>
> I don't currently have Linux ath9k on something with an AR9287 so I'd
> appreciate it if this were verified by someone who has.
did a quick preliminary tx throughput test not much difference.
>
> The patch is quite simple:
>
> diff --git a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
> b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
> index 015d974..2d4c091 100644
> --- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c
> +++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c
> @@ -829,7 +829,7 @@ static bool ar9002_hw_init_cal(struct ath_hw *ah,
> struct ath9k_channel *chan)
> if (AR_SREV_9271(ah)) {
> if (!ar9285_hw_cl_cal(ah, chan))
> return false;
> - } else if (AR_SREV_9285_12_OR_LATER(ah)) {
> + } else if (AR_SREV_9285(ah) && AR_SREV_9285_12_OR_LATER(ah)) {
> if (!ar9285_hw_clc(ah, chan))
> return false;
> } else {
>
> Thanks,
>
>
> Adrian
> _______________________________________________
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> ath9k-devel@xxxxxxxxxxxxxxx
> https://lists.ath9k.org/mailman/listinfo/ath9k-devel
>
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