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From: Kalle Valo <kvalo@qca.qualcomm.com>
To: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Cc: linux-wireless@vger.kernel.org, ath10k@lists.infradead.org
Subject: Re: [PATCH] ath10k: fix invalid NSS for 4x4 devices
Date: Wed, 4 Nov 2015 19:46:11 +0200	[thread overview]
Message-ID: <87pozpbqu4.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <1446531693-23453-1-git-send-email-rmanohar@qti.qualcomm.com> (Rajkumar Manoharan's message of "Tue, 3 Nov 2015 11:51:33 +0530")

Rajkumar Manoharan <rmanohar@qti.qualcomm.com> writes:

> The number of spatial streams that are derived from chain mask
> for 4x4 devices is using wrong bitmask and conditional check.
> This is affecting downlink throughput for QCA99x0 devices. Earlier
> cfg_tx_chainmask is not filled by default until user configured it
> and so get_nss_from_chainmask never be called. This issue is exposed
> by recent commit 166de3f1895d ("ath10k: remove supported chain mask").
> By default maximum supported chain mask is filled in cfg_tx_chainmask.
>
> Cc: stable@vger.kernel.org
> Fixes: 5572a95b4b ("ath10k: apply chainmask settings to vdev on
> creation")
> Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>

I'm planning to send this to 4.3-rc releases.

-- 
Kalle Valo

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WARNING: multiple messages have this Message-ID (diff)
From: Kalle Valo <kvalo@qca.qualcomm.com>
To: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Cc: <ath10k@lists.infradead.org>, <linux-wireless@vger.kernel.org>
Subject: Re: [PATCH] ath10k: fix invalid NSS for 4x4 devices
Date: Wed, 4 Nov 2015 19:46:11 +0200	[thread overview]
Message-ID: <87pozpbqu4.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <1446531693-23453-1-git-send-email-rmanohar@qti.qualcomm.com> (Rajkumar Manoharan's message of "Tue, 3 Nov 2015 11:51:33 +0530")

Rajkumar Manoharan <rmanohar@qti.qualcomm.com> writes:

> The number of spatial streams that are derived from chain mask
> for 4x4 devices is using wrong bitmask and conditional check.
> This is affecting downlink throughput for QCA99x0 devices. Earlier
> cfg_tx_chainmask is not filled by default until user configured it
> and so get_nss_from_chainmask never be called. This issue is exposed
> by recent commit 166de3f1895d ("ath10k: remove supported chain mask").
> By default maximum supported chain mask is filled in cfg_tx_chainmask.
>
> Cc: stable@vger.kernel.org
> Fixes: 5572a95b4b ("ath10k: apply chainmask settings to vdev on
> creation")
> Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>

I'm planning to send this to 4.3-rc releases.

-- 
Kalle Valo

  parent reply	other threads:[~2015-11-04 17:46 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-03  6:21 [PATCH] ath10k: fix invalid NSS for 4x4 devices Rajkumar Manoharan
2015-11-03  6:21 ` Rajkumar Manoharan
2015-11-03  6:32 ` Ben Greear
2015-11-03  6:32   ` Ben Greear
2015-11-04 17:46 ` Kalle Valo [this message]
2015-11-04 17:46   ` Kalle Valo
2015-11-10  9:52 ` Kalle Valo
2015-11-10  9:52   ` Kalle Valo

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