linux-kernel - Re: [PATCH 07/11] extcon: intel-int3496: Add support for controlling the USB-role mux

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]

Message-ID: <CAHp75VfcPZM6cTKsJ5sG9vJgtZeOO9aKwd0cPddTQOwz58cEyA@mail.gmail.com>
Date:   Sat, 2 Sep 2017 13:39:39 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     MyungJoo Ham <myungjoo.ham@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Guenter Roeck <linux@...ck-us.net>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        Peter Rosin <peda@...ntia.se>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        devel@...verdev.osuosl.org,
        Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        Sathyanarayanan Kuppuswamy Natarajan <sathyaosid@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        USB <linux-usb@...r.kernel.org>
Subject: Re: [PATCH 07/11] extcon: intel-int3496: Add support for controlling
 the USB-role mux

On Sat, Sep 2, 2017 at 12:48 AM, Hans de Goede <hdegoede@...hat.com> wrote:
> Cherry Trail SoCs have a built-in USB-role mux for switching between
> the host and device controllers, rather then using an external mux
> controller by a GPIO.
>
> There is a driver using the mux-subsys to control this mux, this
> commit adds support to the intel-int3496 driver to get a mux_controller
> handle for the mux and set the mux through the mux-subsys rather then
> through a GPIO.

>         tristate "Intel INT3496 ACPI device extcon driver"
>         depends on GPIOLIB && ACPI && (X86 || COMPILE_TEST)
> +       select MULTIPLEXER

> +#include <asm/cpu_device_id.h>
> +#include <asm/intel-family.h>

I think it is going to fail when !X86 && COMPILE_TEST.


>  static void int3496_do_usb_id(struct work_struct *work)
>  {
>         struct int3496_data *data =
>                 container_of(work, struct int3496_data, work.work);
> -       int id = gpiod_get_value_cansleep(data->gpio_usb_id);
> +       int ret, id = gpiod_get_value_cansleep(data->gpio_usb_id);

Better to keep them on separate lines.

-- 
With Best Regards,
Andy Shevchenko