netdev - Re: BCM4313 & brcmsmac & 3.12: only semi-working?

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Message-ID: <CACna6rw3XgdJz0uKkAuas8RTzozTdFp2mgF5g1uo7LHJVSMt4g@mail.gmail.com>
Date:	Thu, 9 Oct 2014 10:21:12 +0200
From:	Rafał Miłecki <zajec5@...il.com>
To:	Arend van Spriel <arend@...adcom.com>
Cc:	Maximilian Engelhardt <maxi@...monizer.de>,
	Michael Tokarev <mjt@....msk.ru>,
	Seth Forshee <seth.forshee@...onical.com>,
	brcm80211 development <brcm80211-dev-list@...adcom.com>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	Network Development <netdev@...r.kernel.org>
Subject: Re: BCM4313 & brcmsmac & 3.12: only semi-working?

On 9 October 2014 09:52, Arend van Spriel <arend@...adcom.com> wrote:
> I have been staring at differences brcmsmac and our internal driver (which
> wl is derived from as well). Would you be able to make an mmiotrace loading
> wl and brcmsmac.

Arend,

As you noticed earlier, this is a WiFi card with BT. I've checked
siutils.c from SDK 7.14.43.7 (got it from Netgear R8000) and it has
three BCM4313 workarounds:


1) si_doattach
SI_MSG(("Applying 4313 WARs\n"));
si_pmu_chipcontrol(sih, 0, CCTRL_4313_12MA_LED_DRIVE,
CCTRL_4313_12MA_LED_DRIVE);

It's already implemented in bcma, see driver_chipcommon_pmu.c


2) si_epa_4313war
/* EPA Fix */
W_REG(sii->osh, &cc->gpiocontrol,
R_REG(sii->osh, &cc->gpiocontrol) | GPIO_CTRL_EPA_EN_MASK);

This is what you already implement in ai_epa_4313war


3) si_pmu_synth_pwrsw_4313_war
I don't think it's implemented.


4) si_btcombo_p250_4313_war
I also don't think it's implemented


The last one (si_btcombo_p250_4313_war) looks promising, the comment
above the function says:
/** WL/BT control for 4313 btcombo boards >= P250 */
I guess you need to re-implement this function and call it somewhere
in brcmsmac.
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