- 23 Mar, 2017 7 commits
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Andy Shevchenko authored
The mentioned flags are dedicated solely for consumer API. Replace them by explicit values. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> [Made a !bang clamp to (0,1) instead of infix ? operator] Signed-off-by:
Linus Walleij <linus.walleij@linaro.org>
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Andy Shevchenko authored
Switch to use managed variant of acpi_dev_add_driver_gpios() to simplify error path and fix potentially wrong assignment if ->probe() fails. While here, add a debug message in case assignment fails to allow user see the cause of a potential issue. Signed-off-by:
Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by:
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Andy Shevchenko authored
GPIO ACPI library is going to be stricter about resources, thus, expand comment regarding "reset" GPIO resource in this driver to clarify its usage in ACPI case. Signed-off-by:
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Andy Shevchenko authored
For sake of better maintenance sort the headers by alphabetical order. Signed-off-by:
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Andy Shevchenko authored
Introduce ->get_direction() callback for the driver. Signed-off-by:
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Ralph Sennhauser authored
Use the BIT macro instead of explicitly shifting bits for some added clarity. Signed-off-by:
Ralph Sennhauser <ralph.sennhauser@gmail.com> Signed-off-by:
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Nathan Sullivan authored
The GPIO-based NAND controller on National Instruments 169445 hardware exposes a set of simple lines for the control signals. Signed-off-by:
Nathan Sullivan <nathan.sullivan@ni.com> Signed-off-by:
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- 22 Mar, 2017 3 commits
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Linus Walleij authored
This just deletes the Moxa ART driver and replaces it with the more versatile Faraday FTGPIO010 driver. Make this default on for ARCH_GEMINI and ARCH_MOXART so we do not get Kconfig glitches. Tested-by:
Jonas Jensen <jonas.jensen@gmail.com> Signed-off-by:
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Linus Walleij authored
The Gemini driver is actually a driver for the Faraday Technology FTGPIO010 IP block. We rename the driver and the Kconfig symbol and put in a a new compatible string for the Moxa ART SoC that is also using this IP block. Tested-by:
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Linus Walleij authored
The DT bindings assumed that this IP block was coming from Cortina Systems, which turns out not to be true. It is a standard IP block from Faraday Technology and also used in the Moxa moxart SoC. We augment the bindings to cover all existing parts and rename it after the IP block. This involves deleting the old Moxa bindings that now are contained in this binding. Cc: devicetree@vger.kernel.org Cc: Jonas Jensen <jonas.jensen@gmail.com> Acked-by:
Rob Herring <robh@kernel.org> Signed-off-by:
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- 16 Mar, 2017 20 commits
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Ralph Sennhauser authored
A modern compiler should know better when to inline, so drop the inline keywords. Signed-off-by:
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Ralph Sennhauser authored
Fix whitespace errors missed by checkpatch. Signed-off-by:
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Ralph Sennhauser authored
Fix whitespace errors reported by checkpatch. Signed-off-by:
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Ralph Sennhauser authored
Use unsigned int instead of plain unsigned as reported by checkpatch. Signed-off-by:
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Ralph Sennhauser authored
While this isn't an issue according to checkpatch two styles are used. Add a blank line to the block comments missing a blank line at the start so multiline block comments look the same across the file. Signed-off-by:
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Ralph Sennhauser authored
Fix issues in block comments reported by checkpatch. Signed-off-by:
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Hans de Goede authored
When acpi_dev_gpio_irq_get gets called with an index of say 2, it should not care if acpi_get_gpiod for index 0 or 1 returns -EPROBE_DEFER. This allows drivers which request a gpioint with index > 0 to function if there is no gpiochip driver (loaded) for gpioints with a lower index. Signed-off-by:
Hans de Goede <hdegoede@redhat.com> Signed-off-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by:
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Andy Shevchenko authored
Since gpiod_count() does not return 0 anymore, we don't need to shadow its error code and would safely propagate to the user. While here, replace second parameter by NULL in order to prevent side effects on _DSD enabled firmware. Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by:
Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by:
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Andy Shevchenko authored
Since gpiod_count() does not return 0 anymore, we don't need to shadow its error code and would safely propagate to the user. While here, replace second parameter by NULL in order to prevent side effects on _DSD enabled firmware. Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by:
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Andy Shevchenko authored
It's unusual to have error checking like (ret <= 0) in cases when counting GPIO resources. In case when it's mandatory we propagate the error (-ENOENT), otherwise we don't use the result. This makes consistent behaviour across all possible variants called in gpiod_count(). Signed-off-by:
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Andy Shevchenko authored
It's unusual to have error checking like (ret <= 0) in cases when counting GPIO resources. In case when it's mandatory we propagate the error (-ENOENT), otherwise we don't use the result. This makes consistent behaviour across all possible variants called in gpiod_count(). Signed-off-by:
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Jayachandran C authored
ARCH_VULCAN arm64 platform (for Broadcom Vulcan ARM64 processors) has been discontinued. Cavium's ThunderX2 CN99XX (ARCH_THUNDER2) will be the next revision of this platform. Update compile dependencies and ACPI ID to reflect this change. Signed-off-by:
Jayachandran C <jnair@caviumnetworks.com> [Drop depreciation of ARCH_VULCAN] Signed-off-by:
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Julia Cartwright authored
The zx gpio driver currently implements an irq_chip for handling interrupts; due to how irq_chip handling is done, it's necessary for the irq_chip methods to be invoked from hardirq context, even on a a real-time kernel. Because the spinlock_t type becomes a "sleeping" spinlock w/ RT kernels, it is not suitable to be used with irq_chips. A quick audit of the operations under the lock reveal that they do only minimal, bounded work, and are therefore safe to do under a raw spinlock. Signed-off-by:
Julia Cartwright <julia@ni.com> Signed-off-by:
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Julia Cartwright authored
The ws16c48 gpio driver currently implements an irq_chip for handling interrupts; due to how irq_chip handling is done, it's necessary for the irq_chip methods to be invoked from hardirq context, even on a a real-time kernel. Because the spinlock_t type becomes a "sleeping" spinlock w/ RT kernels, it is not suitable to be used with irq_chips. A quick audit of the operations under the lock reveal that they do only minimal, bounded work, and are therefore safe to do under a raw spinlock. Signed-off-by:
William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by:
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Julia Cartwright authored
The pl061 gpio driver currently implements an irq_chip for handling interrupts; due to how irq_chip handling is done, it's necessary for the irq_chip methods to be invoked from hardirq context, even on a a real-time kernel. Because the spinlock_t type becomes a "sleeping" spinlock w/ RT kernels, it is not suitable to be used with irq_chips. A quick audit of the operations under the lock reveal that they do only minimal, bounded work, and are therefore safe to do under a raw spinlock. Signed-off-by:
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Julia Cartwright authored
The etraxfs gpio driver currently implements an irq_chip for handling interrupts; due to how irq_chip handling is done, it's necessary for the irq_chip methods to be invoked from hardirq context, even on a a real-time kernel. Because the spinlock_t type becomes a "sleeping" spinlock w/ RT kernels, it is not suitable to be used with irq_chips. A quick audit of the operations under the lock reveal that they do only minimal, bounded work, and are therefore safe to do under a raw spinlock. Signed-off-by:
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Julia Cartwright authored
The ath79 gpio driver currently implements an irq_chip for handling interrupts; due to how irq_chip handling is done, it's necessary for the irq_chip methods to be invoked from hardirq context, even on a a real-time kernel. Because the spinlock_t type becomes a "sleeping" spinlock w/ RT kernels, it is not suitable to be used with irq_chips. A quick audit of the operations under the lock reveal that they do only minimal, bounded work, and are therefore safe to do under a raw spinlock. Signed-off-by:
Aban Bedel <albeu@free.fr> Signed-off-by:
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Julia Cartwright authored
The bcm-kona gpio driver currently implements an irq_chip for handling interrupts; due to how irq_chip handling is done, it's necessary for the irq_chip methods to be invoked from hardirq context, even on a a real-time kernel. Because the spinlock_t type becomes a "sleeping" spinlock w/ RT kernels, it is not suitable to be used with irq_chips. A quick audit of the operations under the lock reveal that they do only minimal, bounded work, and are therefore safe to do under a raw spinlock. Signed-off-by:
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Julia Cartwright authored
The 104-dio-48e gpio driver currently implements an irq_chip for handling interrupts; due to how irq_chip handling is done, it's necessary for the irq_chip methods to be invoked from hardirq context, even on a a real-time kernel. Because the spinlock_t type becomes a "sleeping" spinlock w/ RT kernels, it is not suitable to be used with irq_chips. A quick audit of the operations under the lock reveal that they do only minimal, bounded work, and are therefore safe to do under a raw spinlock. Signed-off-by:
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Julia Cartwright authored
The altera gpio driver currently implements an irq_chip for handling interrupts; due to how irq_chip handling is done, it's necessary for the irq_chip methods to be invoked from hardirq context, even on a a real-time kernel. Because the spinlock_t type becomes a "sleeping" spinlock w/ RT kernels, it is not suitable to be used with irq_chips. A quick audit of the operations under the lock reveal that they do only minimal, bounded work, and are therefore safe to do under a raw spinlock. Signed-off-by:
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- 15 Mar, 2017 10 commits
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William Breathitt Gray authored
PC/104 drivers should be hidden on machines which do not support PC/104 devices. This patch adds the PC104 Kconfig option as a dependency for the relevant PC/104 device driver Kconfig options. Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Signed-off-by:
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Bartosz Golaszewski authored
Use device resource managed variants of irq_alloc_descs() and request_irq() and remove the code manually freeing irq resources. Signed-off-by:
Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by:
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Bartosz Golaszewski authored
This driver never frees the interrupt descriptors it allocates. Fix it by using the resource managed version of irq_alloc_descs(). Signed-off-by:
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Bartosz Golaszewski authored
This driver never frees the interrupt descriptors it allocates. Fix it by using the resource managed version of irq_alloc_descs(). Signed-off-by:
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Bartosz Golaszewski authored
Use device resource managed variants of irq_alloc_descs() and request_irq() and remove the code manually freeing irq resources. Signed-off-by:
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Bartosz Golaszewski authored
This driver never frees the interrupt descriptors it allocates. Fix it by using the resource managed version of irq_alloc_descs(). Signed-off-by:
Keerthy <j-keerthy@ti.com> Signed-off-by:
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Bartosz Golaszewski authored
This driver never frees the interrupt descriptors it allocates. Fix it by using the resource managed version of irq_alloc_descs(). Signed-off-by:
Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by:
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Bartosz Golaszewski authored
Use the resource managed variant of irq_alloc_descs() and remove the code manually freeing allocated interrupt descriptors. Signed-off-by:
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Bartosz Golaszewski authored
Use device resource managed variants of irq_alloc_descs() and request_irq() and remove the code manually freeing irq resources. Signed-off-by:
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Bartosz Golaszewski authored
Use device resource managed variants of irq_alloc_descs() and request_irq() and remove the code manually freeing irq resources. Signed-off-by:
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