| From | Bartosz Golaszewski <> | Date | Mon, 19 Feb 2024 16:48:04 +0100 | Subject | Re: [PATCH 16/23] gpio: nomadik: support shared GPIO IRQs |
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On Wed, Feb 14, 2024 at 5:24 PM Théo Lebrun <theo.lebrun@bootlin.com> wrote: > > Support a single IRQs used by multiple GPIO banks. Change the IRQ > handler type from a chained handler (as used by gpiolib > for ->parent_handler) to a threaded IRQ. > > Use a fake raw spinlock to ensure generic_handle_irq() is called in a > no-irq context. See Documentation/driver-api/gpio/driver.rst, "CHAINED > CASCADED GPIO IRQCHIPS" for additional information. >
Any reason for not using preempt_disable()?
Bart
[snip]
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