gpio: sifive: Get the parent IRQ's domain from its irq_data

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Do not parse the devicetree again when the data is already available
from the IRQ subsystem. This follows the example of the ThunderX and
X-Gene GPIO drivers. The ngpio check is needed to avoid a possible
out-of-bounds read.

Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

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Samuel Holland 2023-07-24 17:40:41 -07:00 • committed by Bartosz Golaszewski

parent 1cd9cee75f

commit 3b5560c8f0

1 changed files with 10 additions and 15 deletions

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drivers/gpio/gpio-sifive.c

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