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Commit ccb7d854 authored by Russell King's avatar Russell King
Browse files

ARM: sa1111: move irq cleanup to separate function 



Move the SA1111 interrupt cleanup to a separate function, so it can be
re-used in the probe error cleanup path.

Signed-off-by: default avatarRussell King <rmk+kernel@armlinux.org.uk>
parent deee856a

arch/arm/common/sa1111.c

+19 −14
Original line number Diff line number Diff line
@@ -509,6 +509,24 @@ static int sa1111_setup_irq(struct sa1111 *sachip, unsigned irq_base) 
	return 0;

}



static void sa1111_remove_irq(struct sa1111 *sachip)

{

	void __iomem *irqbase = sachip->base + SA1111_INTC;



	/* disable all IRQs */

	sa1111_writel(0, irqbase + SA1111_INTEN0);

	sa1111_writel(0, irqbase + SA1111_INTEN1);

	sa1111_writel(0, irqbase + SA1111_WAKEEN0);

	sa1111_writel(0, irqbase + SA1111_WAKEEN1);



	if (sachip->irq != NO_IRQ) {

		irq_set_chained_handler_and_data(sachip->irq, NULL, NULL);

		irq_free_descs(sachip->irq_base, SA1111_IRQ_NR);



		release_mem_region(sachip->phys + SA1111_INTC, 512);

	}

}



/*

 * Bring the SA1111 out of reset.  This requires a set procedure:

 *  1. nRESET asserted (by hardware)
@@ -819,26 +837,13 @@ static int sa1111_remove_one(struct device *dev, void *data) 


static void __sa1111_remove(struct sa1111 *sachip)

{

	void __iomem *irqbase = sachip->base + SA1111_INTC;



	device_for_each_child(sachip->dev, NULL, sa1111_remove_one);



	/* disable all IRQs */

	sa1111_writel(0, irqbase + SA1111_INTEN0);

	sa1111_writel(0, irqbase + SA1111_INTEN1);

	sa1111_writel(0, irqbase + SA1111_WAKEEN0);

	sa1111_writel(0, irqbase + SA1111_WAKEEN1);

	sa1111_remove_irq(sachip);



	clk_disable(sachip->clk);

	clk_unprepare(sachip->clk);



	if (sachip->irq != NO_IRQ) {

		irq_set_chained_handler_and_data(sachip->irq, NULL, NULL);

		irq_free_descs(sachip->irq_base, SA1111_IRQ_NR);



		release_mem_region(sachip->phys + SA1111_INTC, 512);

	}



	iounmap(sachip->base);

}