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gpio/mpc8xxx: Consolidate chained IRQ handler install/remove

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Chained irq handlers usually set up handler data as well. We now have
a function to set both under irq_desc->lock. Replace the two calls
with one.

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Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: linux-gpio@vger.kernel.org
This commit is contained in:
Thomas Gleixner 2015-06-21 21:10:46 +02:00
parent 01e2d0627a
commit 05379818e4
1 changed files with 3 additions and 4 deletions
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7
drivers/gpio/gpio-mpc8xxx.c
View file

@ -396,8 +396,8 @@ static int mpc8xxx_probe(struct platform_device *pdev)
out_be32(mm_gc->regs + GPIO_IER, 0xffffffff);
out_be32(mm_gc->regs + GPIO_IMR, 0);
irq_set_handler_data(mpc8xxx_gc->irqn, mpc8xxx_gc);
irq_set_chained_handler(mpc8xxx_gc->irqn, mpc8xxx_gpio_irq_cascade);
irq_set_chained_handler_and_data(mpc8xxx_gc->irqn,
mpc8xxx_gpio_irq_cascade, mpc8xxx_gc);
return 0;
}
@ -407,8 +407,7 @@ static int mpc8xxx_remove(struct platform_device *pdev)
struct mpc8xxx_gpio_chip *mpc8xxx_gc = platform_get_drvdata(pdev);
if (mpc8xxx_gc->irq) {
irq_set_handler_data(mpc8xxx_gc->irqn, NULL);
irq_set_chained_handler(mpc8xxx_gc->irqn, NULL);
irq_set_chained_handler_and_data(mpc8xxx_gc->irqn, NULL, NULL);
irq_domain_remove(mpc8xxx_gc->irq);
}