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| author | Russell King <rmk+kernel@armlinux.org.uk> | 2016-09-06 16:01:32 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@armlinux.org.uk> | 2016-09-20 14:21:08 +0100 |
| commit | ccb7d854d65a09ffe4b6c8342b8d1c6bee6740bb (patch) | |
| tree | 528ca775ea8a240d1061e4d53d1a2f780bdf2338 /arch/arm/common/sa1111.c | |
| parent | deee856a5c6293c50ad6589c9f8a1cca5ed08ae9 (diff) | |
| download | blackbird-op-linux-ccb7d854d65a09ffe4b6c8342b8d1c6bee6740bb.tar.gz blackbird-op-linux-ccb7d854d65a09ffe4b6c8342b8d1c6bee6740bb.zip | |
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: Russell King <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'arch/arm/common/sa1111.c')
| -rw-r--r-- | arch/arm/common/sa1111.c | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c index 09a4f932c2ec..eaa818d921a9 100644 --- a/arch/arm/common/sa1111.c +++ b/arch/arm/common/sa1111.c @@ -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); } |
