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Fix the following clang warning:
drivers/gpio/gpio-it87.c:128:20: warning: unused function 'superio_outw'
[-Wunused-function].
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Acked-by: Simon Guinot <simon.guinot@sequanux.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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Kerneldoc expects struct properties to be documented using the syntax
'@.*: ', but no ':' has been provided in 'struct it87_gpio's
header. Add them to stop confusing kerneldoc.
Fixes the following W=1 warnings:
drivers/gpio/gpio-it87.c:69: warning: Function parameter or member 'chip' not described in 'it87_gpio'
drivers/gpio/gpio-it87.c:69: warning: Function parameter or member 'lock' not described in 'it87_gpio'
drivers/gpio/gpio-it87.c:69: warning: Function parameter or member 'io_base' not described in 'it87_gpio'
drivers/gpio/gpio-it87.c:69: warning: Function parameter or member 'io_size' not described in 'it87_gpio'
drivers/gpio/gpio-it87.c:69: warning: Function parameter or member 'output_base' not described in 'it87_gpio'
drivers/gpio/gpio-it87.c:69: warning: Function parameter or member 'simple_base' not described in 'it87_gpio'
drivers/gpio/gpio-it87.c:69: warning: Function parameter or member 'simple_size' not described in 'it87_gpio'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Cc: "Diego Elio Pettenò" <flameeyes@flameeyes.eu>
Link: https://lore.kernel.org/r/20200630133345.2232932-8-lee.jones@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license 2 as published
by the free software foundation this program is distributed in the
hope that it will be useful but without any warranty without even
the implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details you
should have received a copy of the gnu general public license along
with this program see the file copying if not write to the free
software foundation 675 mass ave cambridge ma 02139 usa
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 3 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141902.366626771@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This was tested on actual hardware and found to work fine, but currently
the official specifications of this chip could not be obtained to
confirm the numbers.
Signed-off-by: Leonid Bloch <lbloch@janustech.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The DIO connector on the WAFER-945GSE is interfaced to GPIO ports
on the ITE IT8718F Super I/O chipset. From the datasheet of ITE IT8718F,
the GPIO interface is identical to IT8728, so just add it
to the same case as the other chip.
Signed-off-by: Ivan Podovalov <ipodovalov@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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From the datasheet, the GPIO interface is identical to IT8728 (same
description), so just add it to the same case as the other chip.
Signed-off-by: Vincent Prince <vincent.prince.fr@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This driver is a pure GPIO driver and should only include
<linux/gpio/driver.h>.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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It had twice-encoded Unicode.
Signed-off-by: Adam Borowski <kilobyte@angband.pl>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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From the datasheet, the GPIO interface is identical to IT8728 (same
description), so just add it to the same case as the other chip.
Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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These structures are only used to copy into other structures, so declare
them as const.
The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct gpio_chip i@p = { ... };
@ok@
identifier r.i;
expression e;
position p;
@@
e = i@p;
@bad@
position p != {r.p,ok.p};
identifier r.i;
struct gpio_chip e;
@@
e@i@p
@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
struct gpio_chip i = { ... };
// </smpl>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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These chips seem to have a 9th GPIO block (thus supporting 72 GPIOs)
which is configured through SuperIO register 0xd2 (output enable) and
0xd3 (simple I/O). This is also the reason why io_size is larger than
on IT8728 / IT8732. Unfortunately I don't have hardware to test this 9th
GPIO block.
I am also not sure about not configuring the Simple I/O registers as the
hardware I have only uses GPIO block 8. Reading back the values of
0xc0-0xc7 (as configured by the BIOS/EFI on my board) shows that all
have 0xff set.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This makes the driver use the data pointer added to the gpio_chip
to store a pointer to the state container instead of relying on
container_of().
Cc: Diego Elio Pettenò <flameeyes@flameeyes.eu>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This patch adds support for the GPIOs found on the ITE super-I/O chips
IT87xx.
Signed-off-by: Diego Elio Pettenò <flameeyes@flameeyes.eu>
Signed-off-by: Christophe Vu-Brugier <cvubrugier@fastmail.fm>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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