linux-kernel - Re: [PATCH v2 4/7] gpiolib: remove gpio_set

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:   Wed, 1 Feb 2023 20:32:06 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     Arnd Bergmann <arnd@...nel.org>, linux-gpio@...r.kernel.org,
        Arnd Bergmann <arnd@...db.de>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/7] gpiolib: remove gpio_set_debounce

On Tue, Jan 31, 2023 at 09:44:31PM -0800, Dmitry Torokhov wrote:
> On Fri, Jan 27, 2023 at 11:11:46AM +0100, Arnd Bergmann wrote:

...

> > -	return !gpio_get_value(ts->gpio_pendown);
> > +	return !gpiod_get_value(ts->gpio_pendown);
> 
> No, we can not blindly do that without checking annotations on GPIOs.

But this is easy to fix, i.e. use raw API, no?

> > +		ts->gpio_pendown = gpiod_get(&spi->dev, "pendown-gpio", GPIOD_IN);
> 
> Wrong name, you will be looking for "pendown-gpio-gpios".
> 
> Sorry, but I have to NAK this in the current form.

Oh, indeed. On top of that the conversion missing the label to be set.

-- 
With Best Regards,
Andy Shevchenko