From: Jarkko Nikula <jarkko.nikula@linux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Linus Walleij <linus.walleij@linaro.org>,
Alexandre Courbot <gnurou@gmail.com>,
linux-gpio@vger.kernel.org,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Hans de Goede <hdegoede@redhat.com>,
linux-kernel@vger.kernel.org,
Mika Westerberg <mika.westerberg@linux.intel.com>,
linux-acpi@vger.kernel.org
Subject: Re: [PATCH v1 0/8] gpio: acpi: Make it working
Date: Fri, 24 Mar 2017 15:48:29 +0200 [thread overview]
Message-ID: <5aa07c34-cb35-d54d-cf94-32d92ed895ff@linux.intel.com> (raw)
In-Reply-To: <20170323194618.26548-1-andriy.shevchenko@linux.intel.com>
On 03/23/17 21:46, Andy Shevchenko wrote:
> After this series it's possible to use GPIO pins for input (interrupt)
> which were configured as output by BIOS by some reason. It's a crucial
> functionality for IoT open connected boards where user may choose any of
> available pin for almost any of available function, including GPIO input
> (interrupt).
>
> Current bad behaviour was first reported by Jarkko Nikula few months ago.
>
It was actually due HW reset default is input buffer disabled and BIOS
didn't touch that pin at all if I recall correctly.
For the set:
Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
next prev parent reply other threads:[~2017-03-24 13:51 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-23 19:46 Andy Shevchenko
2017-03-23 19:46 ` [PATCH v1 1/8] gpiolib: Export gpiod_configure_flags() to internal users Andy Shevchenko
2017-03-23 19:46 ` [PATCH v1 2/8] gpio: acpi: Align acpi_find_gpio() with DT version Andy Shevchenko
2017-03-23 20:13 ` Dmitry Torokhov
2017-03-23 19:46 ` [PATCH v1 3/8] gpio: acpi: Do sanity check for GpioInt in acpi_find_gpio() Andy Shevchenko
2017-03-23 20:19 ` Dmitry Torokhov
2017-03-23 19:46 ` [PATCH v1 4/8] gpio: acpi: Even more tighten up ACPI GPIO lookups Andy Shevchenko
2017-03-23 20:12 ` Dmitry Torokhov
2017-03-24 10:46 ` Bastien Nocera
2017-03-28 16:31 ` Andy Shevchenko
2017-03-29 7:04 ` Dmitry Torokhov
2017-03-23 19:46 ` [PATCH v1 5/8] gpio: acpi: Synchronize acpi_find_gpio() and acpi_gpio_count() Andy Shevchenko
2017-03-24 15:55 ` Mika Westerberg
2017-03-23 19:46 ` [PATCH v1 6/8] gpio: acpi: Explain how to get GPIO descriptors in ACPI case Andy Shevchenko
2017-03-23 20:28 ` Dmitry Torokhov
2017-03-28 16:39 ` Andy Shevchenko
2017-03-29 7:12 ` Dmitry Torokhov
2017-03-29 15:04 ` Andy Shevchenko
2017-04-04 16:11 ` Andy Shevchenko
2017-04-04 17:31 ` Dmitry Torokhov
2017-04-04 17:59 ` Andy Shevchenko
2017-04-04 18:21 ` Dmitry Torokhov
2017-03-23 19:46 ` [PATCH v1 7/8] gpio: acpi: Factor out acpi_gpio_to_gpiod_flags() helper Andy Shevchenko
2017-03-23 19:46 ` [PATCH v1 8/8] gpio: acpi: Override GPIO initialization flags Andy Shevchenko
2017-03-24 13:48 ` Jarkko Nikula [this message]
2017-03-24 16:01 ` [PATCH v1 0/8] gpio: acpi: Make it working Mika Westerberg
2017-03-28 13:24 ` Linus Walleij
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