[PATCH] irqs: various char drivers

Fix up a bunch of char drivers for the new IRQ API.

drivers/char/applicom.c

@@ -108,7 +108,7 @@ static ssize_t ac_read (struct file *, char *, size_t, loff_t *);
 static ssize_t ac_write (struct file *, const char *, size_t, loff_t *);
 static int ac_ioctl(struct inode *, struct file *, unsigned int,
 		    unsigned long);
-static void ac_interrupt(int, void *, struct pt_regs *);
+static irqreturn_t ac_interrupt(int, void *, struct pt_regs *);
 
 static struct file_operations ac_fops = {
 	.owner = THIS_MODULE,
@@ -606,11 +606,12 @@ static ssize_t ac_read (struct file *filp, char *buf, size_t count, loff_t *ptr)
 	} 
 }
 
-static void ac_interrupt(int vec, void *dev_instance, struct pt_regs *regs)
+static irqreturn_t ac_interrupt(int vec, void *dev_instance, struct pt_regs *regs)
 {
 	unsigned int i;
 	unsigned int FlagInt;
 	unsigned int LoopCount;
+	int handled = 0;
 
 	//    printk("Applicom interrupt on IRQ %d occurred\n", vec);
 
@@ -632,6 +633,7 @@ static void ac_interrupt(int vec, void *dev_instance, struct pt_regs *regs)
 				continue;
 			}
 
+			handled = 1;
 			FlagInt = 1;
 			writeb(0, apbs[i].RamIO + RAM_IT_TO_PC);
 
@@ -675,6 +677,7 @@ static void ac_interrupt(int vec, void *dev_instance, struct pt_regs *regs)
 		else
 			LoopCount++;
 	} while(LoopCount < 2);
+	return IRQ_RETVAL(handled);
 }
 
 

drivers/char/drm/mga_irq.c

@@ -36,7 +36,7 @@
 #include "mga_drm.h"
 #include "mga_drv.h"
 
-void mga_dma_service( DRM_IRQ_ARGS )
+irqreturn_t mga_dma_service( DRM_IRQ_ARGS )
 {
 	drm_device_t *dev = (drm_device_t *) arg;
 	drm_mga_private_t *dev_priv = 
@@ -51,7 +51,9 @@ void mga_dma_service( DRM_IRQ_ARGS )
 		atomic_inc(&dev->vbl_received);
 		DRM_WAKEUP(&dev->vbl_queue);
 		DRM(vbl_send_signals)( dev );
+		return IRQ_HANDLED;
 	}
+	return IRQ_NONE;
 }
 
 int mga_vblank_wait(drm_device_t *dev, unsigned int *sequence)

drivers/char/drm/r128_irq.c

@@ -36,7 +36,7 @@
 #include "r128_drm.h"
 #include "r128_drv.h"
 
-void r128_dma_service( DRM_IRQ_ARGS )
+irqreturn_t r128_dma_service( DRM_IRQ_ARGS )
 {
 	drm_device_t *dev = (drm_device_t *) arg;
 	drm_r128_private_t *dev_priv = 
@@ -51,7 +51,9 @@ void r128_dma_service( DRM_IRQ_ARGS )
 		atomic_inc(&dev->vbl_received);
 		DRM_WAKEUP(&dev->vbl_queue);
 		DRM(vbl_send_signals)( dev );
+		return IRQ_HANDLED;
 	}
+	return IRQ_NONE;
 }
 
 int DRM(vblank_wait)(drm_device_t *dev, unsigned int *sequence)

drivers/char/ftape/lowlevel/fdc-io.c

@@ -1298,18 +1298,21 @@ static int fdc_config(void)
 	TRACE_EXIT 0;
 }
 
-static void ftape_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t ftape_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
 	void (*handler) (void) = *fdc.hook;
+	int handled = 0;
 	TRACE_FUN(ft_t_any);
 
 	*fdc.hook = NULL;
 	if (handler) {
+		handled = 1;
 		handler();
 	} else {
 		TRACE(ft_t_bug, "Unexpected ftape interrupt");
 	}
 	TRACE_EXIT;
+	return IRQ_RETVAL(handled);
 }
 
 int fdc_grab_irq_and_dma(void)

drivers/char/mwave/tp3780i.c

@@ -96,13 +96,14 @@ static void EnableSRAM(THINKPAD_BD_DATA * pBDData)
 }
 
 
-static void UartInterrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t UartInterrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
 	PRINTK_3(TRACE_TP3780I,
 		"tp3780i::UartInterrupt entry irq %x dev_id %x\n", irq, (int) dev_id);
+	return IRQ_HANDLED;
 }
 
-static void DspInterrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t DspInterrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
 	pMWAVE_DEVICE_DATA pDrvData = &mwave_s_mdd;
 	DSP_3780I_CONFIG_SETTINGS *pSettings = &pDrvData->rBDData.rDspSettings;
@@ -150,6 +151,7 @@ static void DspInterrupt(int irq, void *dev_id, struct pt_regs *regs)
 			"tp3780i::DspInterrupt, return false from dsp3780i_GetIPCSource\n");
 	}
 	PRINTK_1(TRACE_TP3780I, "tp3780i::DspInterrupt exit\n");
+	return IRQ_HANDLED;
 }
 
 

drivers/char/sonypi.c

@@ -305,7 +305,7 @@ static void sonypi_setbluetoothpower(u8 state) {
 }
 
 /* Interrupt handler: some event is available */
-void sonypi_irq(int irq, void *dev_id, struct pt_regs *regs) {
+static irqreturn_t sonypi_irq(int irq, void *dev_id, struct pt_regs *regs) {
 	u8 v1, v2, event = 0;
 	int i, j;
 
@@ -334,7 +334,7 @@ void sonypi_irq(int irq, void *dev_id, struct pt_regs *regs) {
 	if (verbose)
 		printk(KERN_WARNING 
 		       "sonypi: unknown event port1=0x%02x,port2=0x%02x\n",v1,v2);
-	return;
+	return IRQ_NONE;
 
 found:
 #if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
@@ -354,6 +354,7 @@ void sonypi_irq(int irq, void *dev_id, struct pt_regs *regs) {
 	}
 #endif /* CONFIG_INPUT || CONFIG_INPUT_MODULE */
 	sonypi_pushq(event);
+	return IRQ_HANDLED;
 }
 
 /* External camera command (exported to the motion eye v4l driver) */