linux-kernel - Re: [PATCH v1 1/1] spi: Assume GPIO CS active high in ACPI case

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] [day] [month] [year] [list]

Message-ID: <YJp+pV1mmIxY3LLX@smile.fi.intel.com>
Date:   Tue, 11 May 2021 15:55:01 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>,
        Liguang Zhang <zhangliguang@...ux.alibaba.com>,
        Jay Fang <f.fangjian@...wei.com>,
        Sven Van Asbroeck <thesven73@...il.com>,
        Xin Hao <xhao@...ux.alibaba.com>
Subject: Re: [PATCH v1 1/1] spi: Assume GPIO CS active high in ACPI case

On Tue, May 11, 2021 at 12:13:30PM +0100, Mark Brown wrote:
> On Mon, May 10, 2021 at 05:10:22PM +0300, Andy Shevchenko wrote:
> 
> > +			bool value = has_acpi_companion(&spi->dev) ? !enable : activate;
> 
> Please write normal conditional statements to improve legibility.

OK!

> >  			if (spi->cs_gpiod)
> > -				/* polarity handled by gpiolib */
> > -				gpiod_set_value_cansleep(spi->cs_gpiod, activate);
> > +				/* Polarity handled by GPIO library */
> > +				gpiod_set_value_cansleep(spi->cs_gpiod, value);
> >  			else
> >  				/*
> > -				 * invert the enable line, as active low is
> > +				 * Invert the enable line, as active low is
> >  				 * default for SPI.
> 
> The change would be clearer with the documentation formatting changes
> split out from the rest of it.

Will remove these changes from a fix in v2.

P.S> something is odd about the series I have submitted, i.e. half of the
patches simply didn't make it. I would wait with any new submission until it
will be clarified, otherwise it's a chance to miss more patches without any
reason why.

-- 
With Best Regards,
Andy Shevchenko