kernel drivers: have timer hooks return B_HANDLED_INTERRUPT.

* 0 means B_UNHANDLED_INTERRUPT.
* uses int32 as return type.

src/add-ons/kernel/bus_managers/ps2/ps2_alps.cpp

@@ -79,7 +79,7 @@ static int32
 generate_event(timer* timer)
 {
 	gEventProducer.InjectEvent();
-	return 0;
+	return B_HANDLED_INTERRUPT;
 }
 
 

src/add-ons/kernel/bus_managers/ps2/ps2_elantech.cpp

@@ -79,7 +79,7 @@ static int32
 generate_event(timer* timer)
 {
 	gEventProducer.InjectEvent();
-	return 0;
+	return B_HANDLED_INTERRUPT;
 }
 
 

src/add-ons/kernel/drivers/graphics/radeon/irq.c

@@ -26,11 +26,11 @@ Radeon_DisableIRQ(device_info *di)
  *	handles standard interrupts, i.e. VBI and DMA
  */
 
-static uint32
+static int32
 Radeon_ThreadInterruptWork(vuint8 *regs, device_info *di, uint32 int_status)
 {
 	shared_info *si = di->si;
-	uint32 handled = B_HANDLED_INTERRUPT;
+	int32 handled = B_HANDLED_INTERRUPT;
 
 	if ((int_status & RADEON_CRTC_VBLANK_STAT) != 0
 		&& si->crtc[0].vblank >= 0) {

src/add-ons/kernel/drivers/network/sis19x/MIIBus.cpp

@@ -279,7 +279,7 @@ MIIBus::IsLinkUp()
 }
 
 
-uint32
+int32
 MIIBus::TimerHandler(bool* linkChanged)
 {
 	// XXX ?
@@ -332,7 +332,7 @@ MIIBus::TimerHandler(bool* linkChanged)
 	//			(fLinkState.media & IFM_FULL_DUPLEX) ? "full" : "half");
 	//}
 
-	return 0;
+	return B_HANDLED_INTERRUPT;
 }
 
 

src/add-ons/kernel/drivers/network/sis19x/MIIBus.h

@@ -113,7 +113,7 @@ public:
 		status_t		Status(uint16 *status);
 		status_t		Select(uint16* status = NULL);
 		status_t		Reset(uint16* status = NULL);
-		uint32			TimerHandler(bool* linkChanged);
+		int32			TimerHandler(bool* linkChanged);
 
 		bool			IsLinkUp();
 		status_t		UpdateLinkState(ether_link_state* state = NULL);

src/add-ons/kernel/drivers/network/sis900/sis900.c

@@ -287,7 +287,7 @@ sis900_timer(timer *t)
 		if (mode)
 			sis900_setMode(info, mode);
 
-		return 0;
+		return B_HANDLED_INTERRUPT;
 	}
 
 	if (info->link)	{	// link lost
@@ -322,7 +322,7 @@ sis900_timer(timer *t)
 //	else
 //		bug("********* set_eq() would be needed! ********\n");
 
-	return 0;
+	return B_HANDLED_INTERRUPT;
 }
 
 

src/add-ons/kernel/drivers/network/wb840/wb840.c

@@ -289,7 +289,7 @@ wb_tick(timer* arg)
 
 	wb_updateLink(device);
 
-	return B_OK;
+	return B_HANDLED_INTERRUPT;
 }
 
 

src/libs/compat/freebsd11_network/clock.c

@@ -16,11 +16,11 @@ static timer sHardClockTimer;
 /*!
  * Implementation of FreeBSD's hardclock timer.
  */
-static status_t
+static int32
 hardClock(timer* hardClockTimer)
 {
 	atomic_add(&ticks, 1);
-	return B_OK;
+	return B_HANDLED_INTERRUPT;
 }
 
 

src/libs/compat/freebsd_network/clock.c

@@ -16,11 +16,11 @@ static timer sHardClockTimer;
 /*!
  * Implementation of FreeBSD's hardclock timer.
  */
-static status_t
+static int32
 hardClock(timer* hardClockTimer)
 {
 	atomic_add((vint32*)&ticks, 1);
-	return B_OK;
+	return B_HANDLED_INTERRUPT;
 }