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Author SHA1 Message Date
Enrico Weigelt, metux IT consult 62fe072a24 drivers: gpio: loongon1: use devm_platform_ioremap_resource()
Use the new helper that wraps the calls to platform_get_resource()
and devm_ioremap_resource() together.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2019-04-05 00:04:26 +07:00
Linus Walleij fe29416b5c gpio: loongson1: fix bgpio usage
When no flags are given, the native endianness is used to access
the MMIO registers, and the pin2mask() call can simply be
converted to a BIT() call, as per the default pin2mask()
implementation in gpio-mmio.c.

Cc: Kelvin Cheung <keguang.zhang@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-10-25 11:25:38 +02:00
Wei Yongjun 6e643d8ddf gpio: loongson1: remove redundant return value check
Remove unneeded error handling on the result of a call
to platform_get_resource() when the value is passed to
devm_ioremap_resource().

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-23 15:10:00 +02:00
Paul Gortmaker 5f604506f1 gpio: loongson1: fix implicit assumption module.h is present
The Kconfig for this file is:

drivers/gpio/Kconfig:config GPIO_LOONGSON1
drivers/gpio/Kconfig:   tristate "Loongson1 GPIO support"

...but however it does not include module.h -- it in turn gets it from
another header (gpio/driver.h) and we'd like to replace that with a
forward delcaration of "struct module;" but if we do, this file will
fail to compile.

So we fix this first to avoid putting build failures into the bisect
commit history.

Cc: Keguang Zhang <keguang.zhang@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-gpio@vger.kernel.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-09-15 14:02:37 +02:00
Kelvin Cheung bd37c999c7 gpio: Loongson1: add Loongson1 GPIO driver
This patch adds GPIO driver for Loongson1B.

Signed-off-by: Kelvin Cheung <keguang.zhang@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2016-04-09 20:14:35 +02:00