Return-path: Received: from mail-ob0-f174.google.com ([209.85.214.174]:61011 "EHLO mail-ob0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756548Ab2HHORQ (ORCPT ); Wed, 8 Aug 2012 10:17:16 -0400 Received: by obbuo13 with SMTP id uo13so1178049obb.19 for ; Wed, 08 Aug 2012 07:17:15 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <1344344772-49459-4-git-send-email-nbd@openwrt.org> References: <1344344772-49459-1-git-send-email-nbd@openwrt.org> <1344344772-49459-2-git-send-email-nbd@openwrt.org> <1344344772-49459-3-git-send-email-nbd@openwrt.org> <1344344772-49459-4-git-send-email-nbd@openwrt.org> Date: Wed, 8 Aug 2012 19:47:15 +0530 Message-ID: (sfid-20120808_161722_074514_A0D0AFB5) Subject: Re: [PATCH 3.6 4/4] ath9k_hw: enable PA linearization From: Mohammed Shafi To: Felix Fietkau Cc: linux-wireless@vger.kernel.org, linville@tuxdriver.com, mcgrof@qca.qualcomm.com Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi Felix! On Tue, Aug 7, 2012 at 6:36 PM, Felix Fietkau wrote: > This feature had been disabled in ath9k because the code to support > it was incomplete, but now the code is in sync with the internal QCA > codebase, so it's time to enable it. is it enabled for all AR9300 based chipsets ? > > On many newer devices, the calibration is assumed to be done with PA > linearization enabled. > > Tests with a particular AR933x device showed that the signal emitted > at full power was highly distorted and unreliable with PA linearization > disabled. With this patch, the signal becomes clear and stability > is improved. > > Signed-off-by: Felix Fietkau > --- > drivers/net/wireless/ath/ath9k/hw.c | 3 --- > 1 file changed, 3 deletions(-) > > diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c > index d95474e..bea864f 100644 > --- a/drivers/net/wireless/ath/ath9k/hw.c > +++ b/drivers/net/wireless/ath/ath9k/hw.c > @@ -463,9 +463,6 @@ static void ath9k_hw_init_config(struct ath_hw *ah) > ah->config.spurchans[i][1] = AR_NO_SPUR; > } > > - /* PAPRD needs some more work to be enabled */ > - ah->config.paprd_disable = 1; > - > ah->config.rx_intr_mitigation = true; > ah->config.pcieSerDesWrite = true; > > -- > 1.7.9.6 (Apple Git-31.1) > > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- thanks, shafi