sh: Updates for IRQ handler changes.

Trivial fixes for build breakage introduced by IRQ handler changes.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/boards/hp6xx/hp6xx_apm.c

@@ -83,7 +83,7 @@ static int hp6x0_apm_get_info(char *buf, char **start, off_t fpos, int length)
 	return p - buf;
 }
 
-static irqreturn_t hp6x0_apm_interrupt(int irq, void *dev, struct pt_regs *regs)
+static irqreturn_t hp6x0_apm_interrupt(int irq, void *dev)
 {
 	if (!apm_suspended)
 		apm_queue_event(APM_USER_SUSPEND);
@@ -96,7 +96,7 @@ static int __init hp6x0_apm_init(void)
 	int ret;
 
 	ret = request_irq(HP680_BTN_IRQ, hp6x0_apm_interrupt,
-			  SA_INTERRUPT, MODNAME, 0);
+			  IRQF_DISABLED, MODNAME, 0);
 	if (unlikely(ret < 0)) {
 		printk(KERN_ERR MODNAME ": IRQ %d request failed\n",
 		       HP680_BTN_IRQ);

arch/sh/boards/landisk/landisk_pwb.c

@@ -135,7 +135,7 @@ static int swdrv_write(struct file *filp, const char *buff, size_t count,
 	return count;
 }
 
-static irqreturn_t sw_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t sw_interrupt(int irq, void *dev_id)
 {
 	landisk_btn = (0x0ff & (~ctrl_inb(PA_STATUS)));
 	disable_irq(IRQ_BUTTON);

arch/sh/boards/mpc1211/setup.c

@@ -69,7 +69,6 @@ static void __init pci_write_config(unsigned long busNo,
 
 static unsigned char m_irq_mask = 0xfb;
 static unsigned char s_irq_mask = 0xff;
-volatile unsigned long irq_err_count;
 
 static void disable_mpc1211_irq(unsigned int irq)
 {
@@ -118,7 +117,7 @@ static void mask_and_ack_mpc1211(unsigned int irq)
 	if(irq < 8) {
 		if(m_irq_mask & (1<<irq)){
 		  if(!mpc1211_irq_real(irq)){
-		    irq_err_count++;
+		    atomic_inc(&irq_err_count)
 		    printk("spurious 8259A interrupt: IRQ %x\n",irq);
 		   }
 		} else {
@@ -131,7 +130,7 @@ static void mask_and_ack_mpc1211(unsigned int irq)
 	} else {
 		if(s_irq_mask & (1<<(irq - 8))){
 		  if(!mpc1211_irq_real(irq)){
-		    irq_err_count++;
+		    atomic_inc(&irq_err_count);
 		    printk("spurious 8259A interrupt: IRQ %x\n",irq);
 		  }
 		} else {

arch/sh/boards/snapgear/setup.c

@@ -33,7 +33,7 @@ extern void pcibios_init(void);
  * EraseConfig handling functions
  */
 
-static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id)
 {
 	volatile char dummy __attribute__((unused)) = * (volatile char *) 0xb8000000;
 

arch/sh/cchips/hd6446x/hd64461/setup.c

@@ -71,7 +71,7 @@ static struct hw_interrupt_type hd64461_irq_type = {
 	.end		= end_hd64461_irq,
 };
 
-static irqreturn_t hd64461_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t hd64461_interrupt(int irq, void *dev_id)
 {
 	printk(KERN_INFO
 	       "HD64461: spurious interrupt, nirr: 0x%x nimr: 0x%x\n",

arch/sh/cchips/hd6446x/hd64465/gpio.c

@@ -85,7 +85,7 @@ static struct {
     void *dev;
 } handlers[GPIO_NPORTS * 8];
 
-static irqreturn_t hd64465_gpio_interrupt(int irq, void *dev, struct pt_regs *regs)
+static irqreturn_t hd64465_gpio_interrupt(int irq, void *dev)
 {
     	unsigned short port, pin, isr, mask, portpin;
 	

arch/sh/cchips/hd6446x/hd64465/setup.c

@@ -84,7 +84,7 @@ static struct hw_interrupt_type hd64465_irq_type = {
 };
 
 
-static irqreturn_t hd64465_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t hd64465_interrupt(int irq, void *dev_id)
 {
 	printk(KERN_INFO
 	       "HD64465: spurious interrupt, nirr: 0x%x nimr: 0x%x\n",

arch/sh/cchips/voyagergx/irq.c

@@ -88,8 +88,7 @@ static struct hw_interrupt_type voyagergx_irq_type = {
 	.end = end_voyagergx_irq,
 };
 
-static irqreturn_t voyagergx_interrupt(int irq, void *dev_id,
-				      struct pt_regs *regs)
+static irqreturn_t voyagergx_interrupt(int irq, void *dev_id)
 {
 	printk(KERN_INFO
 	       "VoyagerGX: spurious interrupt, status: 0x%x\n",

arch/sh/drivers/dma/dma-g2.c

@@ -51,7 +51,7 @@ static volatile struct g2_dma_info *g2_dma = (volatile struct g2_dma_info *)0xa0
 	((g2_dma->channel[i].size - \
 	  g2_dma->status[i].size) & 0x0fffffff)
 
-static irqreturn_t g2_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t g2_dma_interrupt(int irq, void *dev_id)
 {
 	int i;
 

arch/sh/drivers/dma/dma-pvr2.c

@@ -21,7 +21,7 @@
 static unsigned int xfer_complete;
 static int count;
 
-static irqreturn_t pvr2_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t pvr2_dma_interrupt(int irq, void *dev_id)
 {
 	if (get_dma_residue(PVR2_CASCADE_CHAN)) {
 		printk(KERN_WARNING "DMA: SH DMAC did not complete transfer "

arch/sh/drivers/dma/dma-sh.c

@@ -60,9 +60,9 @@ static inline unsigned int calc_xmit_shift(struct dma_channel *chan)
  * Besides that it needs to waken any waiting process, which should handle
  * setting up the next transfer.
  */
-static irqreturn_t dma_tei(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t dma_tei(int irq, void *dev_id)
 {
-	struct dma_channel *chan = (struct dma_channel *)dev_id;
+	struct dma_channel *chan = dev_id;
 	u32 chcr;
 
 	chcr = ctrl_inl(CHCR[chan->chan]);
@@ -228,7 +228,7 @@ static inline int dmaor_reset(void)
 }
 
 #if defined(CONFIG_CPU_SH4)
-static irqreturn_t dma_err(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t dma_err(int irq, void *dummy)
 {
 	dmaor_reset();
 	disable_irq(irq);

arch/sh/drivers/pci/pci-st40.c

@@ -161,7 +161,7 @@ static char * pci_commands[16]={
 	"Memory Write-and-Invalidate"
 };
 
-static irqreturn_t st40_pci_irq(int irq, void *dev_instance, struct pt_regs *regs)
+static irqreturn_t st40_pci_irq(int irq, void *dev_instance)
 {
 	unsigned pci_int, pci_air, pci_cir, pci_aint;
 	static int count=0;

arch/sh/kernel/irq.c

@@ -17,6 +17,8 @@
 #include <asm/thread_info.h>
 #include <asm/cpu/mmu_context.h>
 
+atomic_t irq_err_count;
+
 /*
  * 'what should we do if we get a hw irq event on an illegal vector'.
  * each architecture has to answer this themselves, it doesn't deserve
@@ -47,8 +49,10 @@ int show_interrupts(struct seq_file *p, void *v)
 		if (!action)
 			goto unlock;
 		seq_printf(p, "%3d: ",i);
-		seq_printf(p, "%10u ", kstat_irqs(i));
-		seq_printf(p, " %14s", irq_desc[i].chip->typename);
+		for_each_online_cpu(j)
+			seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
+		seq_printf(p, " %14s", irq_desc[i].chip->name);
+		seq_printf(p, "-%s", handle_irq_name(irq_desc[i].handle_irq));
 		seq_printf(p, "  %s", action->name);
 
 		for (action=action->next; action; action = action->next)
@@ -56,7 +60,9 @@ int show_interrupts(struct seq_file *p, void *v)
 		seq_putc(p, '\n');
 unlock:
 		spin_unlock_irqrestore(&irq_desc[i].lock, flags);
-	}
+	} else if (i == NR_IRQS)
+		seq_printf(p, "Err: %10u\n", atomic_read(&irq_err_count));
+
 	return 0;
 }
 #endif
@@ -78,6 +84,7 @@ asmlinkage int do_IRQ(unsigned long r4, unsigned long r5,
 		      unsigned long r6, unsigned long r7,
 		      struct pt_regs regs)
 {
+	struct pt_regs *old_regs = set_irq_regs(&regs);
 	int irq = r4;
 #ifdef CONFIG_4KSTACKS
 	union irq_ctx *curctx, *irqctx;
@@ -139,7 +146,6 @@ asmlinkage int do_IRQ(unsigned long r4, unsigned long r5,
 
 		__asm__ __volatile__ (
 			"mov	%0, r4		\n"
-			"mov	%1, r5		\n"
 			"mov	r15, r9		\n"
 			"jsr	@%2		\n"
 			/* swith to the irq stack */
@@ -147,17 +153,18 @@ asmlinkage int do_IRQ(unsigned long r4, unsigned long r5,
 			/* restore the stack (ring zero) */
 			"mov	r9, r15		\n"
 			: /* no outputs */
-			: "r" (irq), "r" (&regs), "r" (__do_IRQ), "r" (isp)
+			: "r" (irq), "r" (generic_handle_irq), "r" (isp)
 			/* XXX: A somewhat excessive clobber list? -PFM */
 			: "memory", "r0", "r1", "r2", "r3", "r4",
 			  "r5", "r6", "r7", "r8", "t", "pr"
 		);
 	} else
 #endif
-		__do_IRQ(irq, &regs);
+		generic_handle_irq(irq);
 
 	irq_exit();
 
+	set_irq_regs(old_regs);
 	return 1;
 }
 

arch/sh/kernel/time.c

@@ -109,13 +109,14 @@ static long last_rtc_update;
  * handle_timer_tick() needs to keep up the real-time clock,
  * as well as call the "do_timer()" routine every clocktick
  */
-void handle_timer_tick(struct pt_regs *regs)
+void handle_timer_tick(void)
 {
 	do_timer(1);
 #ifndef CONFIG_SMP
-	update_process_times(user_mode(regs));
+	update_process_times(user_mode(get_irq_regs()));
 #endif
-	profile_tick(CPU_PROFILING, regs);
+	if (current->pid)
+		profile_tick(CPU_PROFILING);
 
 #ifdef CONFIG_HEARTBEAT
 	if (sh_mv.mv_heartbeat != NULL)

arch/sh/kernel/timers/timer-tmu.c

@@ -80,8 +80,7 @@ static unsigned long tmu_timer_get_offset(void)
 	return count;
 }
 
-static irqreturn_t tmu_timer_interrupt(int irq, void *dev_id,
-				       struct pt_regs *regs)
+static irqreturn_t tmu_timer_interrupt(int irq, void *dummy)
 {
 	unsigned long timer_status;
 
@@ -98,7 +97,7 @@ static irqreturn_t tmu_timer_interrupt(int irq, void *dev_id,
 	 * locally disabled. -arca
 	 */
 	write_seqlock(&xtime_lock);
-	handle_timer_tick(regs);
+	handle_timer_tick();
 	write_sequnlock(&xtime_lock);
 
 	return IRQ_HANDLED;

drivers/rtc/rtc-sh.c

@@ -160,7 +160,7 @@ static int sh_rtc_open(struct device *dev)
 	tmp |= RCR1_CIE;
 	writeb(tmp, rtc->regbase + RCR1);
 
-	ret = request_irq(rtc->periodic_irq, sh_rtc_periodic, SA_INTERRUPT,
+	ret = request_irq(rtc->periodic_irq, sh_rtc_periodic, IRQF_DISABLED,
 			  "sh-rtc period", dev);
 	if (unlikely(ret)) {
 		dev_err(dev, "request period IRQ failed with %d, IRQ %d\n",
@@ -168,7 +168,7 @@ static int sh_rtc_open(struct device *dev)
 		return ret;
 	}
 
-	ret = request_irq(rtc->carry_irq, sh_rtc_interrupt, SA_INTERRUPT,
+	ret = request_irq(rtc->carry_irq, sh_rtc_interrupt, IRQF_DISABLED,
 			  "sh-rtc carry", dev);
 	if (unlikely(ret)) {
 		dev_err(dev, "request carry IRQ failed with %d, IRQ %d\n",
@@ -177,7 +177,7 @@ static int sh_rtc_open(struct device *dev)
 		goto err_bad_carry;
 	}
 
-	ret = request_irq(rtc->alarm_irq, sh_rtc_interrupt, SA_INTERRUPT,
+	ret = request_irq(rtc->alarm_irq, sh_rtc_interrupt, IRQF_DISABLED,
 			  "sh-rtc alarm", dev);
 	if (unlikely(ret)) {
 		dev_err(dev, "request alarm IRQ failed with %d, IRQ %d\n",

drivers/serial/sh-sci.c

@@ -808,7 +808,7 @@ static int sci_request_irq(struct sci_port *port)
 		}
 
 		if (request_irq(port->irqs[0], sci_mpxed_interrupt,
-				SA_INTERRUPT, "sci", port)) {
+				IRQF_DISABLED, "sci", port)) {
 			printk(KERN_ERR "sci: Cannot allocate irq.\n");
 			return -ENODEV;
 		}
@@ -817,7 +817,7 @@ static int sci_request_irq(struct sci_port *port)
 			if (!port->irqs[i])
 				continue;
 			if (request_irq(port->irqs[i], handlers[i],
-					SA_INTERRUPT, desc[i], port)) {
+					IRQF_DISABLED, desc[i], port)) {
 				printk(KERN_ERR "sci: Cannot allocate irq.\n");
 				return -ENODEV;
 			}

include/asm-sh/hw_irq.h

@@ -1,4 +1,8 @@
 #ifndef __ASM_SH_HW_IRQ_H
 #define __ASM_SH_HW_IRQ_H
 
+#include <asm/atomic.h>
+
+extern atomic_t irq_err_count;
+
 #endif /* __ASM_SH_HW_IRQ_H */

include/asm-sh/irq_regs.h

@@ -0,0 +1 @@
+#include <asm-generic/irq_regs.h>

include/asm-sh/timer.h

@@ -36,7 +36,6 @@ static inline unsigned long get_timer_offset(void)
 struct sys_timer *get_sys_timer(void);
 
 /* arch/sh/kernel/time.c */
-void handle_timer_tick(struct pt_regs *);
+void handle_timer_tick(void);
 
 #endif /* __ASM_SH_TIMER_H */
-