[RFC/RFT PATCH 1/3] gpio: tegra: remove gpio_to_irq() from hw irq handlers

From: Grygorii Strashko
Date: Sat Jul 08 2017 - 18:45:20 EST


gpio_to_irq() API expected to be used by GPIO consumers and
not drivers and there are no guarantee that its gpiolib implementation
is irq safe.

Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
---
drivers/gpio/gpio-tegra.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index 88529d3..31b9a86 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -389,7 +389,8 @@ static void tegra_gpio_irq_handler(struct irq_desc *desc)
chained_irq_exit(chip, desc);
}

- generic_handle_irq(gpio_to_irq(gpio + pin));
+ generic_handle_irq(irq_find_mapping(tgi->irq_domain,
+ gpio + pin));
}
}

--
2.10.1