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From: "Thibaut VARÈNE" <hacks+kernel@slashdirt.org>
To: Felix Fietkau <nbd@nbd.name>
Cc: "Toke Høiland-Jørgensen" <toke@toke.dk>,
	"Kalle Valo" <kvalo@kernel.org>,
	linux-wireless@vger.kernel.org, "Petr Štetiar" <ynezz@true.cz>,
	"Clemens Hopfer" <openwrt@wireloss.net>
Subject: Re: [PATCH] ath9k: fix QCA9561 PA bias
Date: Sun, 17 Apr 2022 16:46:43 +0200	[thread overview]
Message-ID: <EC4F8380-4725-441D-B3FF-8CD7048F2236@slashdirt.org> (raw)
In-Reply-To: <91c58969-c60e-2f41-00ac-737786d435ae@nbd.name>

> Le 16 avr. 2022 à 20:39, Felix Fietkau <nbd@nbd.name> a écrit :

> The patch looks wrong to me. I'm pretty sure that AR_CH0_TOP2 is the correct register, the definition has an explicit check for 9561 as well.
> I believe this patch works by accident because it avoids writing a wrong value to that register.
> The value written to that register is wrong, because while the mask definition AR_CH0_TOP2_XPABIASLVL uses a different value for 9561, the shift definition AR_CH0_TOP2_XPABIASLVL_S is hardcoded to 12, which is wrong for 9561.
> Please try adjusting it to this:
> #define AR_CH0_TOP2_XPABIASLVL_S (AR_SREV_9561(ah) ? 9 : 12)

This works, thanks. I’ll submit a v2 now.

Thibaut

  reply	other threads:[~2022-04-17 14:46 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-15 10:44 [PATCH] ath9k: fix QCA9561 PA bias Thibaut VARÈNE
2022-04-16 18:39 ` Felix Fietkau
2022-04-17 14:46   ` Thibaut VARÈNE [this message]
2022-04-17 14:51     ` [PATCH v2] ath9k: fix QCA9561 PA bias level Thibaut VARÈNE
2022-04-17 17:02       ` Felix Fietkau
2022-04-17 19:00       ` Toke Høiland-Jørgensen
2022-04-23  9:32       ` Kalle Valo

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