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authorRussell King <rmk+kernel@armlinux.org.uk>2016-09-06 18:01:32 +0300
committerRussell King <rmk+kernel@armlinux.org.uk>2016-09-20 16:21:08 +0300
commitccb7d854d65a09ffe4b6c8342b8d1c6bee6740bb (patch)
tree528ca775ea8a240d1061e4d53d1a2f780bdf2338 /arch/arm/common/sa1111.c
parentdeee856a5c6293c50ad6589c9f8a1cca5ed08ae9 (diff)
downloadlinux-ccb7d854d65a09ffe4b6c8342b8d1c6bee6740bb.tar.xz
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.c33
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);
}