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authorHaojian Zhuang <haojian.zhuang@marvell.com>2011-10-10 14:38:46 +0800
committerHaojian Zhuang <haojian.zhuang@marvell.com>2011-11-14 21:07:59 +0800
commit87c49e20579c933d531a376596875b8fd5dcb04f (patch)
treeda23de32023599ce92dbfb6a97887b91d2253a60 /drivers/gpio/gpio-pxa.c
parent6384fdadb48a875bcc1c0f58933275f15f409b76 (diff)
downloadop-kernel-dev-87c49e20579c933d531a376596875b8fd5dcb04f.zip
op-kernel-dev-87c49e20579c933d531a376596875b8fd5dcb04f.tar.gz
ARM: pxa: use chained interrupt for GPIO0 and GPIO1
GPIO0 and GPIO1 are linked to unique interrupt line in PXA series, others are linked to another interrupt line. All GPIO are linked to one interrupt line in MMP series. Since gpio driver is shared between PXA series and MMP series, define GPIO0 and GPIO1 as chained interrupt chip. So we can move out gpio code from irq.c to gpio-pxa.c. Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Acked-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'drivers/gpio/gpio-pxa.c')
-rw-r--r--drivers/gpio/gpio-pxa.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c
index ee137712..a4121bb 100644
--- a/drivers/gpio/gpio-pxa.c
+++ b/drivers/gpio/gpio-pxa.c
@@ -283,6 +283,20 @@ void __init pxa_init_gpio(int mux_irq, int start, int end, set_wake_t fn)
__raw_writel(~0,c->regbase + GEDR_OFFSET);
}
+#ifdef CONFIG_ARCH_PXA
+ irq = gpio_to_irq(0);
+ irq_set_chip_and_handler(irq, &pxa_muxed_gpio_chip,
+ handle_edge_irq);
+ set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+ irq_set_chained_handler(IRQ_GPIO0, pxa_gpio_demux_handler);
+
+ irq = gpio_to_irq(1);
+ irq_set_chip_and_handler(irq, &pxa_muxed_gpio_chip,
+ handle_edge_irq);
+ set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+ irq_set_chained_handler(IRQ_GPIO1, pxa_gpio_demux_handler);
+#endif
+
for (irq = gpio_to_irq(start); irq <= gpio_to_irq(end); irq++) {
irq_set_chip_and_handler(irq, &pxa_muxed_gpio_chip,
handle_edge_irq);
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