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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
parent6384fdadb48a875bcc1c0f58933275f15f409b76 (diff)
downloadlinux-87c49e20579c933d531a376596875b8fd5dcb04f.tar.bz2
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')
-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 ee137712f9db..a4121bb50cf2 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);