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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of GPIO changes for the v5.8 kernel cycle.
Core changes:
- A new GPIO aggregator driver has been merged: this can join a few
select GPIO lines into a new aggregated GPIO chip. This can be used
for security: a process can be granted access to only these lines,
for example for industrial control. Another way to use this is to
reexpose certain select lines to a virtual machine or container.
- Warn if the gpio-line-names is too long in he DT parser core.
- GPIO lines can now be looked up by line name in addition to being
looked up by offset.
New drivers:
- A new generic regmap GPIO driver has been merged. Too many regmap
drivers are starting to look like each other so we need to create
some common ground and try to move drivers over to using that.
- The F7188X driver now supports F81865.
Driver improvements:
- Large improvements to the PCA953x expander, get multiple lines and
several cleanups.
- Large improvements to the DesignWare DWAPB driver, and Sergey Semin
has volunteered to maintain it.
- PL061 can now be built as a module, this is part of a bigger effort
to make the ARM platforms more modular"
* tag 'gpio-v5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (77 commits)
gpio: pca953x: Drop unneeded ACPI_PTR()
MAINTAINERS: Add gpio regmap section
gpio: add a reusable generic gpio_chip using regmap
gpiolib: Introduce gpiochip_irqchip_add_domain()
gpio: gpiolib: Allow GPIO IRQs to lazy disable
gpiolib: Separate GPIO_GET_LINEINFO_WATCH_IOCTL conditional
gpio: rcar: Fix runtime PM imbalance on error
gpio: pca935x: Allow IRQ support for driver built as a module
gpio: pxa: Add COMPILE_TEST support
dt-bindings: gpio: Add renesas,em-gio bindings
MAINTAINERS: Fix file name for DesignWare GPIO DT schema
gpio: dwapb: Remove unneeded has_irq member in struct dwapb_port_property
gpio: dwapb: Don't use IRQ 0 as valid Linux interrupt
gpio: dwapb: avoid error message for optional IRQ
gpio: dwapb: Call acpi_gpiochip_free_interrupts() on GPIO chip de-registration
gpio: max730x: bring gpiochip_add_data after port config
MAINTAINERS: Add GPIO Aggregator section
docs: gpio: Add GPIO Aggregator documentation
gpio: Add GPIO Aggregator
gpiolib: Add support for GPIO lookup by line name
...
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In case of error, the function devm_ioremap() returns NULL pointer not
ERR_PTR(). The IS_ERR() test in the return value check should be
replaced with NULL test.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20200427110829.154785-1-weiyongjun1@huawei.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Remove including <linux/version.h> that don't need it.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20200408070832.137037-1-yuehaibing@huawei.com
Acked-by: Asmaa Mnebhi <Asmaa@mellanox.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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mutex_lock() can sleep, don't call mutex_lock() while holding spin_lock.
Fixes: bc0ae0e737f5 ("gpio: add driver for Mellanox BlueField 2 GPIO controller")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: asmaa@mellanox.com
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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This patch adds support for the GPIO controller used by
Mellanox BlueField 2 SOCs.
Signed-off-by: Asmaa Mnebhi <Asmaa@mellanox.com>
Link: https://lore.kernel.org/r/1680de9eb6d2b8855228dde9a2dd065f0dcbe1fb.1583182325.git.Asmaa@mellanox.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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