From: Kalle Valo <kvalo@qca.qualcomm.com>
To: Benjamin Berg <benjamin@sipsolutions.net>
Cc: Simon Wunderlich <sw@simonwunderlich.de>,
Vasanthakumar Thiagarajan <vthiagar@qti.qualcomm.com>,
Sebastian Gottschall <s.gottschall@dd-wrt.com>,
ath10k@lists.infradead.org,
Michal Kazior <michal.kazior@tieto.com>,
Mathias Kretschmer <mathias.kretschmer@fit.fraunhofer.de>
Subject: Re: [PATCHv3,5/5] ath10k: Allow setting coverage class
Date: Tue, 4 Oct 2016 17:04:17 +0200 [thread overview]
Message-ID: <677867cb33294558b78135cfb11d5c4a@euamsexm01a.eu.qualcomm.com> (raw)
In-Reply-To: <20160829144557.11678-6-benjamin@sipsolutions.net>
Benjamin Berg <benjamin@sipsolutions.net> wrote:
> Unfortunately ath10k does not generally allow modifying the coverage class
> with the stock firmware and Qualcomm has so far refused to implement this
> feature so that it can be properly supported in ath10k. If we however know
> the registers that need to be modified for proper operation with a higher
> coverage class, then we can do these modifications from the driver.
>
> This patch implements this hack for first generation cards which are based
> on a core that is similar to ath9k. The registers are modified in place and
> need to be re-written every time the firmware sets them. To achieve this
> the register status is verified after certain WMI events from the firmware.
>
> The coverage class may not be modified temporarily right after the card
> re-initializes the registers. This is for example the case during scanning.
>
> Thanks to Sebastian Gottschall <s.gottschall@dd-wrt.com> for initially
> working on a userspace support for this. This patch wouldn't have been
> possible without this documentation.
>
> Signed-off-by: Benjamin Berg <benjamin@sipsolutions.net>
> Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
> Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fit.fraunhofer.de>
Patch applied to ath-next branch of ath.git, thanks.
ebee76f7fa46 ath10k: allow setting coverage class
--
https://patchwork.kernel.org/patch/9304067/
Documentation about submitting wireless patches and checking status
from patchwork:
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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next prev parent reply other threads:[~2016-10-04 15:04 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-29 14:45 [PATCHv3 0/5] ath10k: Allow setting coverage class and rx cleanups Benjamin Berg
2016-08-29 14:45 ` [PATCHv3 1/5] ath10k: Move ath10k_hw_params definition to hw.h Benjamin Berg
2016-09-13 12:32 ` [PATCHv3,1/5] " Kalle Valo
2016-08-29 14:45 ` [PATCHv3 2/5] ath10k: Add provision for Rx descriptor abstraction Benjamin Berg
2016-08-29 14:45 ` [PATCHv3 3/5] ath10k: Properly remove padding from the start of rx payload Benjamin Berg
2016-08-29 14:45 ` [PATCHv3 4/5] ath10k: Remove 4-addr padding related hw_param configuration Benjamin Berg
2016-08-29 14:45 ` [PATCHv3 5/5] ath10k: Allow setting coverage class Benjamin Berg
2016-09-13 12:14 ` Valo, Kalle
2016-09-14 16:32 ` [PATCH] ath10k: Fix spinlock use in coverage class hack Benjamin Berg
2016-09-30 12:58 ` Valo, Kalle
2016-10-04 15:04 ` Kalle Valo [this message]
2016-09-09 14:59 ` [PATCHv3 0/5] ath10k: Allow setting coverage class and rx cleanups Valo, Kalle
2016-09-12 14:11 ` [PATCH] ath10k: Add missing CONFIG_ATH10K_DEBUGFS check Benjamin Berg
2016-09-14 12:29 ` Valo, Kalle
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