linux-kernel - Re: [PATCH v5 0/6] firmware

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Message-ID: <20180504195835.GU27853@wotan.suse.de>
Date:   Fri, 4 May 2018 19:58:35 +0000
From:   "Luis R. Rodriguez" <mcgrof@...nel.org>
To:     Krzysztof Halasa <khc@...waw.pl>
Cc:     "Luis R. Rodriguez" <mcgrof@...nel.org>,
        gregkh@...uxfoundation.org, akpm@...ux-foundation.org,
        keescook@...omium.org, josh@...htriplett.org, teg@...m.no,
        wagi@...om.org, hdegoede@...hat.com, andresx7@...il.com,
        zohar@...ux.vnet.ibm.com, kubakici@...pl, shuah@...nel.org,
        mfuzzey@...keon.com, dhowells@...hat.com, pali.rohar@...il.com,
        tiwai@...e.de, kvalo@...eaurora.org, arend.vanspriel@...adcom.com,
        zajec5@...il.com, nbroeking@...com, markivx@...eaurora.org,
        broonie@...nel.org, dmitry.torokhov@...il.com, dwmw2@...radead.org,
        torvalds@...ux-foundation.org, Abhay_Salunke@...l.com,
        bjorn.andersson@...aro.org, jewalt@...innovations.com,
        oneukum@...e.com, cantabile.desu@...il.com, ast@...com,
        hare@...e.com, jejb@...ux.vnet.ibm.com, martin.petersen@...cle.com,
        davem@...emloft.net, maco@...roid.com, arve@...roid.com,
        tkjos@...roid.com, linux-kernel@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-scsi@...r.kernel.org,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH v5 0/6] firmware_loader: cleanups for v4.18

On Fri, May 04, 2018 at 09:17:08PM +0200, Krzysztof Halasa wrote:
> "Luis R. Rodriguez" <mcgrof@...nel.org> writes:
> 
> >   * CONFIG_WANXL --> CONFIG_WANXL_BUILD_FIRMWARE
> >   * CONFIG_SCSI_AIC79XX --> CONFIG_AIC79XX_BUILD_FIRMWARE
> >
> > To this day both of these drivers are building driver *firmwares* when
> > the option CONFIG_PREVENT_FIRMWARE_BUILD is disabled, and they don't
> > even make use of the firmware API at all.
> 
> Don't know for sure about Adaptec, but wanXL firmware fits every
> definition of "stable". BTW it's a 1997 or so early PCI card, built
> around the PLX PCI9060 bus mastering PCI bridge and Motorola 68360
> (the original QUICC) processor. Maximum bit rate of 2 Mb/s on each sync
> serial port.

So we can nuke CONFIG_WANXL_BUILD_FIRMWARE now?

> It's more about delivering the .S source for the firmware, I guess.
> Nobody is expected to build it. The fw is about 2.5 KB and is directly
> linked with the driver.

:P Future work I guess would be to just use the firmware API and stuff
it into linux-firmware?

  Luis