[PATCH v4 05/21] ARM: dts: pxa27x: irq init using device tree

From: Sergei Ianovich
Date: Wed Apr 16 2014 - 13:16:00 EST


Signed-off-by: Sergei Ianovich <ynvich@xxxxxxxxx>
CC: Daniel Mack <zonque@xxxxxxxxx>
CC: Haojian Zhuang <haojian.zhuang@xxxxxxxxx>
CC: Arnd Bergmann <arnd@xxxxxxxx>
---
v3..v4
v2..v3
* no changes

v1..v2
* use of_have_populated_dt() instead of a static variable
* drop #ifdef in header file
* number changed from 8 to 5 (dropped patches)

arch/arm/mach-pxa/include/mach/pxa27x.h | 1 +
arch/arm/mach-pxa/pxa27x.c | 10 ++++++++++
2 files changed, 11 insertions(+)

diff --git a/arch/arm/mach-pxa/include/mach/pxa27x.h b/arch/arm/mach-pxa/include/mach/pxa27x.h
index 7cff640..34a4d6f 100644
--- a/arch/arm/mach-pxa/include/mach/pxa27x.h
+++ b/arch/arm/mach-pxa/include/mach/pxa27x.h
@@ -23,6 +23,7 @@ extern void __init pxa27x_map_io(void);
extern void __init pxa27x_init_irq(void);
extern int __init pxa27x_set_pwrmode(unsigned int mode);
extern void pxa27x_cpu_pm_enter(suspend_state_t state);
+extern void __init pxa27x_dt_init_irq(void);

#define pxa27x_handle_irq ichp_handle_irq

diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 301471a..c6b54f8 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -398,6 +398,13 @@ void __init pxa27x_init_irq(void)
pxa_init_irq(34, pxa27x_set_wake);
}

+#ifdef CONFIG_OF
+void __init pxa27x_dt_init_irq(void)
+{
+ pxa_dt_irq_init(pxa27x_set_wake);
+}
+#endif /* CONFIG_OF */
+
static struct map_desc pxa27x_io_desc[] __initdata = {
{ /* Mem Ctl */
.virtual = (unsigned long)SMEMC_VIRT,
@@ -471,6 +478,9 @@ static int __init pxa27x_init(void)
register_syscore_ops(&pxa2xx_mfp_syscore_ops);
register_syscore_ops(&pxa2xx_clock_syscore_ops);

+ if (of_have_populated_dt())
+ return 0;
+
pxa_register_device(&pxa27x_device_gpio, &pxa27x_gpio_info);
ret = platform_add_devices(devices, ARRAY_SIZE(devices));
}
--
1.8.4.2

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