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Most interrupt flow handlers do not use the irq argument. Those few
which use it can retrieve the irq number from the irq descriptor.
Remove the argument.
Search and replace was done with coccinelle and some extra helper
scripts around it. Thanks to Julia for her help!
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
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This driver calls of_mm_gpiochip_add() to add a memory mapped gpio
chip. So, of_mm_gpiochip_remove() should be used when removing it.
The direct call of gpiochip_remove() misses unmapping the register
and freeing the label.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Tien Hock Loh <thloh@altera.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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The remove callback never succeeds, which seems odd.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Tien Hock Loh <thloh@altera.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This patch fixes some issues given by checkpatch. Fixes include
bracket placement, spacing and indenting.
Signed-off-by: Daniel Lockyer <thisisdaniellockyer@gmail.com>
Reviewed-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Adds a new driver for Altera soft GPIO IP. The driver is able to do
read/write and allows GPIO to be a interrupt controller.
Tested on Altera GHRD on interrupt handling and IO.
v10:
- Updated conflicting device tree parameters
- Removed unused headers
- Used macro instead of magic numbers for ngpio
- Code readability cleanup using ?: and temporal variables
- Removed leftover garbage and unnecessary function calls
- Checked bgpio_init but unusable because Altera GPIO may not
be a multiple of 8 bits
v9:
- Removed duplicated initialization on set_type using temporals
to improve code readability in calling generic_handle_irq
- Using ?: ternary to reduce code size
v8:
- Using for_each_set_bit
- Added const for struct definition
- Removed naggy pr_err
- Sort alpha header
- Remove unused macros
- Use fixed width data types instead of unsigned long
- Whitespace issue fixes
- Removed _relaxed function for better compatibility across different
CPU
- Changed irq_create_mapping to platform_get_irq updated implementation
to use gpiochip_irqchip_add
- Reserve interrupt-cells number 2 in device tree binding for future
use
- Remove confusing sections on devicetree bindings
- Added tristate Kconfig help text
v7:
- Used dev_warn instead of pr_warn
- Clean up unnecesarry if else indentation
v6:
- Added irq_startup and irq_shutdown
- Changed bitwise clamping style
- Cleanup bitwise operation to improve readability change naming of
mapped irqs from virq to mapped_irq
v5:
- Dispose irq_domain mapping correctly
- Update optional binding description in binding docs
v4:
- Added vendor prefix to devicetree binding for IP specific properties
using MMIO GPIO helper library instead of manually map PIO to memory
- altera_gpio_chip inline struct documentation to kerneldoc
- Using dev_ print to print a better failure message
v2, v3:
- Do not reference NO_IRQ
- Updated irq_set_type to only allow the hardware configured irq type
Signed-off-by: Tien Hock Loh <thloh@altera.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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