Hi Linus,
On 09/07/2016 11:06 PM, Linus Walleij wrote:
On Tue, Sep 6, 2016 at 6:45 PM, Alexandre TORGUE
<alexandre.torgue@xxxxxx> wrote:
This patch adds IRQ support to STM32 gpios.
The EXTI controller has 16 lines dedicated to GPIOs.
EXTI line n can be connected to only line n of one of the GPIO ports, for
example EXTI0 can be connected to either PA0, or PB0, or PC0...
This port selection is done by specifying the port number into System
Config registers.
Signed-off-by: Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@xxxxxx>
+++ b/drivers/pinctrl/stm32/Kconfig
@@ -6,6 +6,8 @@ config PINCTRL_STM32
select PINMUX
select GENERIC_PINCONF
select GPIOLIB
+ select GPIOLIB_IRQCHIP
But you're not really using GPIOLIB_IRQCHIP. You have a different,
super-complex irqchip in use.
Thanks Linus for this review. I will send a V5.
Just one question, when you say "super-complex irqchip in use", do you
mean I could use another (simplest) solution to handle this EXTI controller?
Regards
Alex
So just don't select this.
+ bank->gpio_chip.irqdomain = irq_domain_create_hierarchy(pctl->domain,
+ 0, STM32_GPIO_IRQ_LINE, bank->fwnode,
+ &stm32_gpio_domain_ops, bank);
Don't use that irqdomain pointer inside the gpio_chip.
Instead declare the irqdomain pointer inside struct stm32_gpio_bank
or something like that.
Yours,
Linus Walleij
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