[PATCH] ARM: 2715/1: restore CPLD interrupts upon resume for Lubbock and Mainstone
Patch from Nicolas Pitre Without this some devices fail to work again after a suspend event. Signed-off-by: Nicolas Pitre Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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@ -15,6 +15,7 @@
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/device.h>
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#include <linux/sysdev.h>
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#include <linux/major.h>
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#include <linux/fb.h>
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#include <linux/interrupt.h>
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@ -106,6 +107,35 @@ static void __init lubbock_init_irq(void)
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set_irq_type(IRQ_GPIO(0), IRQT_FALLING);
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}
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#ifdef CONFIG_PM
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static int lubbock_irq_resume(struct sys_device *dev)
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{
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LUB_IRQ_MASK_EN = lubbock_irq_enabled;
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return 0;
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}
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static struct sysdev_class lubbock_irq_sysclass = {
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set_kset_name("cpld_irq"),
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.resume = lubbock_irq_resume,
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};
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static struct sys_device lubbock_irq_device = {
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.cls = &lubbock_irq_sysclass,
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};
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static int __init lubbock_irq_device_init(void)
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{
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int ret = sysdev_class_register(&lubbock_irq_sysclass);
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if (ret == 0)
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ret = sysdev_register(&lubbock_irq_device);
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return ret;
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}
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device_initcall(lubbock_irq_device_init);
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#endif
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static int lubbock_udc_is_connected(void)
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{
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return (LUB_MISC_RD & (1 << 9)) == 0;
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@ -15,6 +15,7 @@
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#include <linux/init.h>
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#include <linux/device.h>
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#include <linux/sysdev.h>
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#include <linux/interrupt.h>
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#include <linux/sched.h>
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#include <linux/bitops.h>
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@ -62,7 +63,6 @@ static struct irqchip mainstone_irq_chip = {
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.unmask = mainstone_unmask_irq,
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};
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static void mainstone_irq_handler(unsigned int irq, struct irqdesc *desc,
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struct pt_regs *regs)
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{
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@ -100,6 +100,35 @@ static void __init mainstone_init_irq(void)
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set_irq_type(IRQ_GPIO(0), IRQT_FALLING);
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}
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#ifdef CONFIG_PM
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static int mainstone_irq_resume(struct sys_device *dev)
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{
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MST_INTMSKENA = mainstone_irq_enabled;
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return 0;
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}
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static struct sysdev_class mainstone_irq_sysclass = {
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set_kset_name("cpld_irq"),
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.resume = mainstone_irq_resume,
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};
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static struct sys_device mainstone_irq_device = {
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.cls = &mainstone_irq_sysclass,
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};
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static int __init mainstone_irq_device_init(void)
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{
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int ret = sysdev_class_register(&mainstone_irq_sysclass);
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if (ret == 0)
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ret = sysdev_register(&mainstone_irq_device);
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return ret;
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}
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device_initcall(mainstone_irq_device_init);
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#endif
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static struct resource smc91x_resources[] = {
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[0] = {
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