linux-kernel - Re: [PATCH v2] mfd: ntxec: Support for EC in Tolino Shine 2 HD

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 22 Mar 2021 14:59:25 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Mark Brown <broonie@...nel.org>
Cc:     Andreas Kemnade <andreas@...nade.info>, j.neuschaefer@....net,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] mfd: ntxec: Support for EC in Tolino Shine 2 HD

On Thu, 11 Mar 2021, Mark Brown wrote:

> On Wed, Mar 10, 2021 at 09:48:21AM +0000, Lee Jones wrote:
> 
> > Could you take a look at this for me please:
> 
> > > +static int regmap_ignore_write(void *context,
> > > +			       unsigned int reg, unsigned int val)
> > > +
> > > +{
> > > +	struct regmap *regmap = context;
> > > +
> > > +	regmap_write(regmap, reg, val);
> > > +
> > > +	return 0;
> > > +}
> 
> If there were more users it'd be better to have this in the core so that
> problems we can detect like cache stuff if that's used but if it's just
> one broken device it's probably not worth it, this seems like something
> you'd have to try to end up with and which is going to cause timeout
> problems with a lot of I2C controllers which would tank performance
> enough that people would notice.

So Yoda, is this to go into the core, or stay where it is?

-- 
Lee Jones [李琼斯]
Senior Technical Lead - Developer Services
Linaro.org │ Open source software for Arm SoCs
Follow Linaro: Facebook | Twitter | Blog