Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git

6 files changed, 87 insertions, 11 deletions

diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index 86b862f56e7..06ea730e867 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -60,6 +60,15 @@ static struct scoop_config corgi_scoop_setup = {
 	.io_out		= CORGI_SCOOP_IO_OUT,
 };
 
+static struct scoop_pcmcia_dev corgi_pcmcia_scoop[] = {
+{
+	.dev        = &corgiscoop_device.dev,
+	.irq        = CORGI_IRQ_GPIO_CF_IRQ,
+	.cd_irq     = CORGI_IRQ_GPIO_CF_CD,
+	.cd_irq_str = "PCMCIA0 CD",
+},
+};
+
 struct platform_device corgiscoop_device = {
 	.name		= "sharp-scoop",
 	.id		= -1,
@@ -241,6 +250,9 @@ static void __init corgi_init(void)
  	pxa_set_udc_info(&udc_info);
 	pxa_set_mci_info(&corgi_mci_platform_data);
 
+	scoop_num = 1;
+	scoop_devs = &corgi_pcmcia_scoop[0];
+
 	platform_add_devices(devices, ARRAY_SIZE(devices));
 }
 
diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c
index f3cac43124a..539b596005f 100644
--- a/arch/arm/mach-pxa/irq.c
+++ b/arch/arm/mach-pxa/irq.c
@@ -133,7 +133,7 @@ static struct irqchip pxa_low_gpio_chip = {
 	.ack		= pxa_ack_low_gpio,
 	.mask		= pxa_mask_low_irq,
 	.unmask		= pxa_unmask_low_irq,
-	.type		= pxa_gpio_irq_type,
+	.set_type	= pxa_gpio_irq_type,
 };
 
 /*
@@ -157,7 +157,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irqdesc *desc,
 			mask >>= 2;
 			do {
 				if (mask & 1)
-					desc->handle(irq, desc, regs);
+					desc_handle_irq(irq, desc, regs);
 				irq++;
 				desc++;
 				mask >>= 1;
@@ -172,7 +172,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irqdesc *desc,
 			desc = irq_desc + irq;
 			do {
 				if (mask & 1)
-					desc->handle(irq, desc, regs);
+					desc_handle_irq(irq, desc, regs);
 				irq++;
 				desc++;
 				mask >>= 1;
@@ -187,7 +187,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irqdesc *desc,
 			desc = irq_desc + irq;
 			do {
 				if (mask & 1)
-					desc->handle(irq, desc, regs);
+					desc_handle_irq(irq, desc, regs);
 				irq++;
 				desc++;
 				mask >>= 1;
@@ -203,7 +203,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irqdesc *desc,
 			desc = irq_desc + irq;
 			do {
 				if (mask & 1)
-					desc->handle(irq, desc, regs);
+					desc_handle_irq(irq, desc, regs);
 				irq++;
 				desc++;
 				mask >>= 1;
@@ -241,7 +241,7 @@ static struct irqchip pxa_muxed_gpio_chip = {
 	.ack		= pxa_ack_muxed_gpio,
 	.mask		= pxa_mask_muxed_gpio,
 	.unmask		= pxa_unmask_muxed_gpio,
-	.type		= pxa_gpio_irq_type,
+	.set_type	= pxa_gpio_irq_type,
 };
 
 
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index 6309853b59b..923f6eb774c 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -84,7 +84,7 @@ static void lubbock_irq_handler(unsigned int irq, struct irqdesc *desc,
 		if (likely(pending)) {
 			irq = LUBBOCK_IRQ(0) + __ffs(pending);
 			desc = irq_desc + irq;
-			desc->handle(irq, desc, regs);
+			desc_handle_irq(irq, desc, regs);
 		}
 		pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
 	} while (pending);
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 827b7b5a5be..85fdb5b1470 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -72,7 +72,7 @@ static void mainstone_irq_handler(unsigned int irq, struct irqdesc *desc,
 		if (likely(pending)) {
 			irq = MAINSTONE_IRQ(0) + __ffs(pending);
 			desc = irq_desc + irq;
-			desc->handle(irq, desc, regs);
+			desc_handle_irq(irq, desc, regs);
 		}
 		pending = MST_INTSETCLR & mainstone_irq_enabled;
 	} while (pending);
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index 0e4f6fab100..47cfb8bb831 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -62,6 +62,15 @@ struct platform_device poodle_scoop_device = {
 	.resource	= poodle_scoop_resources,
 };
 
+static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
+{
+	.dev        = &poodle_scoop_device.dev,
+	.irq        = POODLE_IRQ_GPIO_CF_IRQ,
+	.cd_irq     = POODLE_IRQ_GPIO_CF_CD,
+	.cd_irq_str = "PCMCIA0 CD",
+},
+};
+
 
 /* LoCoMo device */
 static struct resource locomo_resources[] = {
@@ -147,6 +156,9 @@ static void __init poodle_init(void)
 
 	set_pxa_fb_info(&poodle_fb_info);
 
+	scoop_num = 1;
+	scoop_devs = &poodle_pcmcia_scoop[0];
+
 	ret = platform_add_devices(devices, ARRAY_SIZE(devices));
 	if (ret) {
 		printk(KERN_WARNING "poodle: Unable to register LoCoMo device\n");
diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c
index 6e5202154f9..7dad3f1465e 100644
--- a/arch/arm/mach-pxa/time.c
+++ b/arch/arm/mach-pxa/time.c
@@ -70,6 +70,11 @@ static unsigned long pxa_gettimeoffset (void)
 	return usec;
 }
 
+#ifdef CONFIG_NO_IDLE_HZ
+static unsigned long initial_match;
+static int match_posponed;
+#endif
+
 static irqreturn_t
 pxa_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
@@ -77,11 +82,19 @@ pxa_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
 	write_seqlock(&xtime_lock);
 
+#ifdef CONFIG_NO_IDLE_HZ
+	if (match_posponed) {
+		match_posponed = 0;
+		OSMR0 = initial_match;
+	}
+#endif
+
 	/* Loop until we get ahead of the free running timer.
 	 * This ensures an exact clock tick count and time accuracy.
-	 * IRQs are disabled inside the loop to ensure coherence between
-	 * lost_ticks (updated in do_timer()) and the match reg value, so we
-	 * can use do_gettimeofday() from interrupt handlers.
+	 * Since IRQs are disabled at this point, coherence between
+	 * lost_ticks(updated in do_timer()) and the match reg value is
+	 * ensured, hence we can use do_gettimeofday() from interrupt
+	 * handlers.
 	 *
 	 * HACK ALERT: it seems that the PXA timer regs aren't updated right
 	 * away in all cases when a write occurs.  We therefore compare with
@@ -126,6 +139,42 @@ static void __init pxa_timer_init(void)
 	OSCR = 0;		/* initialize free-running timer, force first match */
 }
 
+#ifdef CONFIG_NO_IDLE_HZ
+static int pxa_dyn_tick_enable_disable(void)
+{
+	/* nothing to do */
+	return 0;
+}
+
+static void pxa_dyn_tick_reprogram(unsigned long ticks)
+{
+	if (ticks > 1) {
+		initial_match = OSMR0;
+		OSMR0 = initial_match + ticks * LATCH;
+		match_posponed = 1;
+	}
+}
+
+static irqreturn_t
+pxa_dyn_tick_handler(int irq, void *dev_id, struct pt_regs *regs)
+{
+	if (match_posponed) {
+		match_posponed = 0;
+		OSMR0 = initial_match;
+		if ( (signed long)(initial_match - OSCR) <= 8 )
+			return pxa_timer_interrupt(irq, dev_id, regs);
+	}
+	return IRQ_NONE;
+}
+
+static struct dyn_tick_timer pxa_dyn_tick = {
+	.enable		= pxa_dyn_tick_enable_disable,
+	.disable	= pxa_dyn_tick_enable_disable,
+	.reprogram	= pxa_dyn_tick_reprogram,
+	.handler	= pxa_dyn_tick_handler,
+};
+#endif
+
 #ifdef CONFIG_PM
 static unsigned long osmr[4], oier;
 
@@ -161,4 +210,7 @@ struct sys_timer pxa_timer = {
 	.suspend	= pxa_timer_suspend,
 	.resume		= pxa_timer_resume,
 	.offset		= pxa_gettimeoffset,
+#ifdef CONFIG_NO_IDLE_HZ
+	.dyn_tick	= &pxa_dyn_tick,
+#endif
 };