[ARM] 5298/1: Drop desc_handle_irq()

desc_handle_irq() was declared as obsolete since long ago.
Replace it with generic_handle_irq()

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

42 files changed, 72 insertions, 162 deletions

diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c
index 5fe9588db07..2793447621c 100644
--- a/arch/arm/common/it8152.c
+++ b/arch/arm/common/it8152.c
@@ -66,14 +66,6 @@ static void it8152_unmask_irq(unsigned int irq)
        }
 }
 
-static inline void it8152_irq(int irq)
-{
-	struct irq_desc *desc;
-
-	desc = irq_desc + irq;
-	desc_handle_irq(irq, desc);
-}
-
 static struct irq_chip it8152_irq_chip = {
 	.name		= "it8152",
 	.ack		= it8152_mask_irq,
@@ -128,21 +120,21 @@ void it8152_irq_demux(unsigned int irq, struct irq_desc *desc)
 	       bits_pd &= ((1 << IT8152_PD_IRQ_COUNT) - 1);
 	       while (bits_pd) {
 		       i = __ffs(bits_pd);
-		       it8152_irq(IT8152_PD_IRQ(i));
+		       generic_handle_irq(IT8152_PD_IRQ(i));
 		       bits_pd &= ~(1 << i);
 	       }
 
 	       bits_lp &= ((1 << IT8152_LP_IRQ_COUNT) - 1);
 	       while (bits_lp) {
 		       i = __ffs(bits_lp);
-		       it8152_irq(IT8152_LP_IRQ(i));
+		       generic_handle_irq(IT8152_LP_IRQ(i));
 		       bits_lp &= ~(1 << i);
 	       }
 
 	       bits_ld &= ((1 << IT8152_LD_IRQ_COUNT) - 1);
 	       while (bits_ld) {
 		       i = __ffs(bits_ld);
-		       it8152_irq(IT8152_LD_IRQ(i));
+		       generic_handle_irq(IT8152_LD_IRQ(i));
 		       bits_ld &= ~(1 << i);
 	       }
        }
diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
index 283051eaf93..8f473b7c349 100644
--- a/arch/arm/common/locomo.c
+++ b/arch/arm/common/locomo.c
@@ -169,7 +169,6 @@ static struct locomo_dev_info locomo_devices[] = {
 static void locomo_handler(unsigned int irq, struct irq_desc *desc)
 {
 	int req, i;
-	struct irq_desc *d;
 	void __iomem *mapbase = get_irq_chip_data(irq);
 
 	/* Acknowledge the parent IRQ */
@@ -181,10 +180,9 @@ static void locomo_handler(unsigned int irq, struct irq_desc *desc)
 	if (req) {
 		/* generate the next interrupt(s) */
 		irq = LOCOMO_IRQ_START;
-		d = irq_desc + irq;
-		for (i = 0; i <= 3; i++, d++, irq++) {
+		for (i = 0; i <= 3; i++, irq++) {
 			if (req & (0x0100 << i)) {
-				desc_handle_irq(irq, d);
+				generic_handle_irq(irq);
 			}
 
 		}
@@ -222,12 +220,10 @@ static struct irq_chip locomo_chip = {
 
 static void locomo_key_handler(unsigned int irq, struct irq_desc *desc)
 {
-	struct irq_desc *d;
 	void __iomem *mapbase = get_irq_chip_data(irq);
 
 	if (locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC) & 0x0001) {
-		d = irq_desc + LOCOMO_IRQ_KEY_START;
-		desc_handle_irq(LOCOMO_IRQ_KEY_START, d);
+		generic_handle_irq(LOCOMO_IRQ_KEY_START);
 	}
 }
 
@@ -268,7 +264,6 @@ static struct irq_chip locomo_key_chip = {
 static void locomo_gpio_handler(unsigned int irq, struct irq_desc *desc)
 {
 	int req, i;
-	struct irq_desc *d;
 	void __iomem *mapbase = get_irq_chip_data(irq);
 
 	req = 	locomo_readl(mapbase + LOCOMO_GIR) &
@@ -277,10 +272,9 @@ static void locomo_gpio_handler(unsigned int irq, struct irq_desc *desc)
 
 	if (req) {
 		irq = LOCOMO_IRQ_GPIO_START;
-		d = irq_desc + LOCOMO_IRQ_GPIO_START;
-		for (i = 0; i <= 15; i++, irq++, d++) {
+		for (i = 0; i <= 15; i++, irq++) {
 			if (req & (0x0001 << i)) {
-				desc_handle_irq(irq, d);
+				generic_handle_irq(irq);
 			}
 		}
 	}
@@ -361,12 +355,10 @@ static struct irq_chip locomo_gpio_chip = {
 
 static void locomo_lt_handler(unsigned int irq, struct irq_desc *desc)
 {
-	struct irq_desc *d;
 	void __iomem *mapbase = get_irq_chip_data(irq);
 
 	if (locomo_readl(mapbase + LOCOMO_LTINT) & 0x0001) {
-		d = irq_desc + LOCOMO_IRQ_LT_START;
-		desc_handle_irq(LOCOMO_IRQ_LT_START, d);
+		generic_handle_irq(LOCOMO_IRQ_LT_START);
 	}
 }
 
@@ -407,17 +399,15 @@ static struct irq_chip locomo_lt_chip = {
 static void locomo_spi_handler(unsigned int irq, struct irq_desc *desc)
 {
 	int req, i;
-	struct irq_desc *d;
 	void __iomem *mapbase = get_irq_chip_data(irq);
 
 	req = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIIR) & 0x000F;
 	if (req) {
 		irq = LOCOMO_IRQ_SPI_START;
-		d = irq_desc + irq;
 
-		for (i = 0; i <= 3; i++, irq++, d++) {
+		for (i = 0; i <= 3; i++, irq++) {
 			if (req & (0x0001 << i)) {
-				desc_handle_irq(irq, d);
+				generic_handle_irq(irq);
 			}
 		}
 	}
diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c
index 7a50575a8d4..60c079d8535 100644
--- a/arch/arm/kernel/ecard.c
+++ b/arch/arm/kernel/ecard.c
@@ -587,8 +587,7 @@ ecard_irq_handler(unsigned int irq, struct irq_desc *desc)
 			pending = ecard_default_ops.irqpending(ec);
 
 		if (pending) {
-			struct irq_desc *d = irq_desc + ec->irq;
-			desc_handle_irq(ec->irq, d);
+			generic_handle_irq(ec->irq);
 			called ++;
 		}
 	}
@@ -622,7 +621,6 @@ ecard_irqexp_handler(unsigned int irq, struct irq_desc *desc)
 		ecard_t *ec = slot_to_ecard(slot);
 
 		if (ec->claimed) {
-			struct irq_desc *d = irq_desc + ec->irq;
 			/*
 			 * this ugly code is so that we can operate a
 			 * prioritorising system:
@@ -635,7 +633,7 @@ ecard_irqexp_handler(unsigned int irq, struct irq_desc *desc)
 			 * Serial cards should go in 0/1, ethernet/scsi in 2/3
 			 * otherwise you will lose serial data at high speeds!
 			 */
-			desc_handle_irq(ec->irq, d);
+			generic_handle_irq(ec->irq);
 		} else {
 			printk(KERN_WARNING "card%d: interrupt from unclaimed "
 			       "card???\n", slot);
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index f88efb135b7..2f3eb795fa6 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -112,18 +112,17 @@ static struct irq_desc bad_irq_desc = {
 asmlinkage void __exception asm_do_IRQ(unsigned int irq, struct pt_regs *regs)
 {
 	struct pt_regs *old_regs = set_irq_regs(regs);
-	struct irq_desc *desc = irq_desc + irq;
+
+	irq_enter();
 
 	/*
 	 * Some hardware gives randomly wrong interrupts.  Rather
 	 * than crashing, do something sensible.
 	 */
 	if (irq >= NR_IRQS)
-		desc = &bad_irq_desc;
-
-	irq_enter();
-
-	desc_handle_irq(irq, desc);
+		handle_bad_irq(irq, &bad_irq_desc);
+	else
+		generic_handle_irq(irq);
 
 	/* AT91 specific workaround */
 	irq_finish(irq);
diff --git a/arch/arm/mach-at91/gpio.c b/arch/arm/mach-at91/gpio.c
index 8392d5b517f..94c2f96811f 100644
--- a/arch/arm/mach-at91/gpio.c
+++ b/arch/arm/mach-at91/gpio.c
@@ -404,7 +404,6 @@ static void gpio_irq_handler(unsigned irq, struct irq_desc *desc)
 		}
 
 		pin = bank->chipbase;
-		gpio = &irq_desc[pin];
 
 		while (isr) {
 			if (isr & 1) {
@@ -417,7 +416,7 @@ static void gpio_irq_handler(unsigned irq, struct irq_desc *desc)
 					gpio_irq_mask(pin);
 				}
 				else
-					desc_handle_irq(pin, gpio);
+					generic_handle_irq(pin);
 			}
 			pin++;
 			gpio++;
diff --git a/arch/arm/mach-davinci/gpio.c b/arch/arm/mach-davinci/gpio.c
index c9cb4f09b18..574cb810a50 100644
--- a/arch/arm/mach-davinci/gpio.c
+++ b/arch/arm/mach-davinci/gpio.c
@@ -201,7 +201,6 @@ gpio_irq_handler(unsigned irq, struct irq_desc *desc)
 	desc->chip->ack(irq);
 	while (1) {
 		u32		status;
-		struct irq_desc	*gpio;
 		int		n;
 		int		res;
 
@@ -215,12 +214,10 @@ gpio_irq_handler(unsigned irq, struct irq_desc *desc)
 
 		/* now demux them to the right lowlevel handler */
 		n = (int)get_irq_data(irq);
-		gpio = &irq_desc[n];
 		while (status) {
 			res = ffs(status);
 			n += res;
-			gpio += res;
-			desc_handle_irq(n - 1, gpio - 1);
+			generic_handle_irq(n - 1);
 			status >>= res;
 		}
 	}
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
index f99f4366939..68ee82b4959 100644
--- a/arch/arm/mach-ep93xx/core.c
+++ b/arch/arm/mach-ep93xx/core.c
@@ -192,8 +192,7 @@ static void ep93xx_gpio_ab_irq_handler(unsigned int irq, struct irq_desc *desc)
 	for (i = 0; i < 8; i++) {
 		if (status & (1 << i)) {
 			int gpio_irq = gpio_to_irq(EP93XX_GPIO_LINE_A(0)) + i;
-			desc = irq_desc + gpio_irq;
-			desc_handle_irq(gpio_irq, desc);
+			generic_handle_irq(gpio_irq);
 		}
 	}
 
@@ -202,7 +201,7 @@ static void ep93xx_gpio_ab_irq_handler(unsigned int irq, struct irq_desc *desc)
 		if (status & (1 << i)) {
 			int gpio_irq = gpio_to_irq(EP93XX_GPIO_LINE_B(0)) + i;
 			desc = irq_desc + gpio_irq;
-			desc_handle_irq(gpio_irq, desc);
+			generic_handle_irq(gpio_irq);
 		}
 	}
 }
@@ -217,7 +216,7 @@ static void ep93xx_gpio_f_irq_handler(unsigned int irq, struct irq_desc *desc)
 	int port_f_idx = ((irq + 1) & 7) ^ 4; /* {19..22,47..50} -> {0..7} */
 	int gpio_irq = gpio_to_irq(EP93XX_GPIO_LINE_F(0)) + port_f_idx;
 
-	desc_handle_irq(gpio_irq, irq_desc + gpio_irq);
+	generic_handle_irq(gpio_irq);
 }
 
 static void ep93xx_gpio_irq_ack(unsigned int irq)
diff --git a/arch/arm/mach-footbridge/isa-irq.c b/arch/arm/mach-footbridge/isa-irq.c
index 7132e522c36..d5a29a0e7d9 100644
--- a/arch/arm/mach-footbridge/isa-irq.c
+++ b/arch/arm/mach-footbridge/isa-irq.c
@@ -94,8 +94,7 @@ isa_irq_handler(unsigned int irq, struct irq_desc *desc)
 		return;
 	}
 
-	desc = irq_desc + isa_irq;
-	desc_handle_irq(isa_irq, desc);
+	generic_handle_irq(isa_irq);
 }
 
 static struct irqaction irq_cascade = {
diff --git a/arch/arm/mach-h720x/common.c b/arch/arm/mach-h720x/common.c
index b5f9741ae13..c1fa44cff38 100644
--- a/arch/arm/mach-h720x/common.c
+++ b/arch/arm/mach-h720x/common.c
@@ -104,14 +104,12 @@ h720x_gpio_handler(unsigned int mask, unsigned int irq,
                  struct irq_desc *desc)
 {
 	IRQDBG("%s irq: %d\n", __func__, irq);
-	desc = irq_desc + irq;
 	while (mask) {
 		if (mask & 1) {
 			IRQDBG("handling irq %d\n", irq);
-			desc_handle_irq(irq, desc);
+			generic_handle_irq(irq);
 		}
 		irq++;
-		desc++;
 		mask >>= 1;
 	}
 }
diff --git a/arch/arm/mach-h720x/cpu-h7202.c b/arch/arm/mach-h720x/cpu-h7202.c
index 53e1f62f2e7..fd33a19c813 100644
--- a/arch/arm/mach-h720x/cpu-h7202.c
+++ b/arch/arm/mach-h720x/cpu-h7202.c
@@ -120,12 +120,10 @@ h7202_timerx_demux_handler(unsigned int irq_unused, struct irq_desc *desc)
 
 	mask >>= 1;
 	irq = IRQ_TIMER1;
-	desc = irq_desc + irq;
 	while (mask) {
 		if (mask & 1)
-			desc_handle_irq(irq, desc);
+			generic_handle_irq(irq);
 		irq++;
-		desc++;
 		mask >>= 1;
 	}
 }
diff --git a/arch/arm/mach-imx/irq.c b/arch/arm/mach-imx/irq.c
index 798f221eb3b..cbdd7d1dac9 100644
--- a/arch/arm/mach-imx/irq.c
+++ b/arch/arm/mach-imx/irq.c
@@ -182,14 +182,12 @@ static void
 imx_gpio_handler(unsigned int mask, unsigned int irq,
                  struct irq_desc *desc)
 {
-	desc = irq_desc + irq;
 	while (mask) {
 		if (mask & 1) {
 			DEBUG_IRQ("handling irq %d\n", irq);
-			desc_handle_irq(irq, desc);
+			generic_handle_irq(irq);
 		}
 		irq++;
-		desc++;
 		mask >>= 1;
 	}
 }
diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c
index 6b99e9c258b..0c9a91d6ec8 100644
--- a/arch/arm/mach-integrator/integrator_cp.c
+++ b/arch/arm/mach-integrator/integrator_cp.c
@@ -217,8 +217,7 @@ sic_handle_irq(unsigned int irq, struct irq_desc *desc)
 
 		irq += IRQ_SIC_START;
 
-		desc = irq_desc + irq;
-		desc_handle_irq(irq, desc);
+		generic_handle_irq(irq);
 	} while (status);
 }
 
diff --git a/arch/arm/mach-iop13xx/msi.c b/arch/arm/mach-iop13xx/msi.c
index 63ef1124ca5..f34b0ed8063 100644
--- a/arch/arm/mach-iop13xx/msi.c
+++ b/arch/arm/mach-iop13xx/msi.c
@@ -110,8 +110,7 @@ static void iop13xx_msi_handler(unsigned int irq, struct irq_desc *desc)
 		do {
 			j = find_first_bit(&status, 32);
 			(write_imipr[i])(1 << j); /* write back to clear bit */
-			desc = irq_desc + IRQ_IOP13XX_MSI_0 + j + (32*i);
-			desc_handle_irq(IRQ_IOP13XX_MSI_0 + j + (32*i),	desc);
+			generic_handle_irq(IRQ_IOP13XX_MSI_0 + j + (32*i));
 			status = (read_imipr[i])();
 		} while (status);
 	}
diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c
index a6a4f93085f..e193a34e417 100644
--- a/arch/arm/mach-ixp2000/core.c
+++ b/arch/arm/mach-ixp2000/core.c
@@ -311,8 +311,7 @@ static void ixp2000_GPIO_irq_handler(unsigned int irq, struct irq_desc *desc)
 		   
 	for (i = 0; i <= 7; i++) {
 		if (status & (1<<i)) {
-			desc = irq_desc + i + IRQ_IXP2000_GPIO0;
-			desc_handle_irq(i + IRQ_IXP2000_GPIO0, desc);
+			generic_handle_irq(i + IRQ_IXP2000_GPIO0);
 		}
 	}
 }
@@ -404,8 +403,7 @@ static void ixp2000_err_irq_handler(unsigned int irq, struct irq_desc *desc)
 
 	for(i = 31; i >= 0; i--) {
 		if(status & (1 << i)) {
-			desc = irq_desc + IRQ_IXP2000_DRAM0_MIN_ERR + i;
-			desc_handle_irq(IRQ_IXP2000_DRAM0_MIN_ERR + i, desc);
+			generic_handle_irq(IRQ_IXP2000_DRAM0_MIN_ERR + i);
 		}
 	}
 }
diff --git a/arch/arm/mach-ixp2000/ixdp2x00.c b/arch/arm/mach-ixp2000/ixdp2x00.c
index 5a781fd9757..4c749d49024 100644
--- a/arch/arm/mach-ixp2000/ixdp2x00.c
+++ b/arch/arm/mach-ixp2000/ixdp2x00.c
@@ -129,10 +129,8 @@ static void ixdp2x00_irq_handler(unsigned int irq, struct irq_desc *desc)
 
 	for(i = 0; i < board_irq_count; i++) {
 		if(ex_interrupt & (1 << i))  {
-			struct irq_desc *cpld_desc;
 			int cpld_irq = IXP2000_BOARD_IRQ(0) + i;
-			cpld_desc = irq_desc + cpld_irq;
-			desc_handle_irq(cpld_irq, cpld_desc);
+			generic_handle_irq(cpld_irq);
 		}
 	}
 
diff --git a/arch/arm/mach-ixp2000/ixdp2x01.c b/arch/arm/mach-ixp2000/ixdp2x01.c
index 78a2341dee2..b78c08d1f63 100644
--- a/arch/arm/mach-ixp2000/ixdp2x01.c
+++ b/arch/arm/mach-ixp2000/ixdp2x01.c
@@ -79,10 +79,8 @@ static void ixdp2x01_irq_handler(unsigned int irq, struct irq_desc *desc)
 
 	for (i = 0; i < IXP2000_BOARD_IRQS; i++) {
 		if (ex_interrupt & (1 << i)) {
-			struct irq_desc *cpld_desc;
 			int cpld_irq = IXP2000_BOARD_IRQ(0) + i;
-			cpld_desc = irq_desc + cpld_irq;
-			desc_handle_irq(cpld_irq, cpld_desc);
+			generic_handle_irq(cpld_irq);
 		}
 	}
 
diff --git a/arch/arm/mach-ixp23xx/core.c b/arch/arm/mach-ixp23xx/core.c
index 68b4ac5b248..aa4c4420ff3 100644
--- a/arch/arm/mach-ixp23xx/core.c
+++ b/arch/arm/mach-ixp23xx/core.c
@@ -253,7 +253,6 @@ static void pci_handler(unsigned int irq, struct irq_desc *desc)
 {
 	u32 pci_interrupt;
 	unsigned int irqno;
-	struct irq_desc *int_desc;
 
 	pci_interrupt = *IXP23XX_PCI_XSCALE_INT_STATUS;
 
@@ -268,8 +267,7 @@ static void pci_handler(unsigned int irq, struct irq_desc *desc)
 		BUG();
 	}
 
-	int_desc = irq_desc + irqno;
-	desc_handle_irq(irqno, int_desc);
+	generic_handle_irq(irqno);
 
 	desc->chip->unmask(irq);
 }
diff --git a/arch/arm/mach-ixp23xx/ixdp2351.c b/arch/arm/mach-ixp23xx/ixdp2351.c
index b6e0bfa44df..f1b124a709a 100644
--- a/arch/arm/mach-ixp23xx/ixdp2351.c
+++ b/arch/arm/mach-ixp23xx/ixdp2351.c
@@ -68,11 +68,9 @@ static void ixdp2351_inta_handler(unsigned int irq, struct irq_desc *desc)
 
 	for (i = 0; i < IXDP2351_INTA_IRQ_NUM; i++) {
 		if (ex_interrupt & (1 << i)) {
-			struct irq_desc *cpld_desc;
 			int cpld_irq =
 				IXP23XX_MACH_IRQ(IXDP2351_INTA_IRQ_BASE + i);
-			cpld_desc = irq_desc + cpld_irq;
-			desc_handle_irq(cpld_irq, cpld_desc);
+			generic_handle_irq(cpld_irq);
 		}
 	}
 
@@ -105,11 +103,9 @@ static void ixdp2351_intb_handler(unsigned int irq, struct irq_desc *desc)
 
 	for (i = 0; i < IXDP2351_INTB_IRQ_NUM; i++) {
 		if (ex_interrupt & (1 << i)) {
-			struct irq_desc *cpld_desc;
 			int cpld_irq =
 				IXP23XX_MACH_IRQ(IXDP2351_INTB_IRQ_BASE + i);
-			cpld_desc = irq_desc + cpld_irq;
-			desc_handle_irq(cpld_irq, cpld_desc);
+			generic_handle_irq(cpld_irq);
 		}
 	}
 
diff --git a/arch/arm/mach-lh7a40x/arch-kev7a400.c b/arch/arm/mach-lh7a40x/arch-kev7a400.c
index 551b9726182..3d7bd50b909 100644
--- a/arch/arm/mach-lh7a40x/arch-kev7a400.c
+++ b/arch/arm/mach-lh7a40x/arch-kev7a400.c
@@ -77,7 +77,7 @@ static void kev7a400_cpld_handler (unsigned int irq, struct irq_desc *desc)
 	irq = IRQ_KEV7A400_CPLD;
 	for (; mask; mask >>= 1, ++irq)
 		if (mask & 1)
-			desc_handle_irq(irq, desc);
+			generic_handle_irq(irq);
 }
 
 void __init lh7a40x_init_board_irq (void)
diff --git a/arch/arm/mach-lh7a40x/arch-lpd7a40x.c b/arch/arm/mach-lh7a40x/arch-lpd7a40x.c
index e373fb8e269..cb15e5d3212 100644
--- a/arch/arm/mach-lh7a40x/arch-lpd7a40x.c
+++ b/arch/arm/mach-lh7a40x/arch-lpd7a40x.c
@@ -214,11 +214,11 @@ static void lpd7a40x_cpld_handler (unsigned int irq, struct irq_desc *desc)
 	desc->chip->ack (irq);
 
 	if ((mask & (1<<0)) == 0)	/* WLAN */
-		IRQ_DISPATCH (IRQ_LPD7A40X_ETH_INT);
+		generic_handle_irq(IRQ_LPD7A40X_ETH_INT);
 
 #if defined (IRQ_TOUCH)
 	if ((mask & (1<<1)) == 0)	/* Touch */
-		IRQ_DISPATCH (IRQ_TOUCH);
+		generic_handle_irq(IRQ_TOUCH);
 #endif
 
 	desc->chip->unmask (irq); /* Level-triggered need this */
diff --git a/arch/arm/mach-lh7a40x/common.h b/arch/arm/mach-lh7a40x/common.h
index 0ca20c6c83b..6ed3f6b6db7 100644
--- a/arch/arm/mach-lh7a40x/common.h
+++ b/arch/arm/mach-lh7a40x/common.h
@@ -15,4 +15,3 @@ extern void lh7a404_init_irq (void);
 extern void lh7a40x_clcd_init (void);
 extern void lh7a40x_init_board_irq (void);
 
-#define IRQ_DISPATCH(irq) desc_handle_irq((irq),(irq_desc + irq))
diff --git a/arch/arm/mach-lh7a40x/irq-lpd7a40x.c b/arch/arm/mach-lh7a40x/irq-lpd7a40x.c
index 0d5063ebda1..fd033bb4342 100644
--- a/arch/arm/mach-lh7a40x/irq-lpd7a40x.c
+++ b/arch/arm/mach-lh7a40x/irq-lpd7a40x.c
@@ -63,10 +63,10 @@ static void lh7a40x_cpld_handler (unsigned int irq, struct irq_desc *desc)
 	desc->chip->ack (irq);
 
 	if ((mask & 0x1) == 0)	/* WLAN */
-		IRQ_DISPATCH (IRQ_LPD7A40X_ETH_INT);
+		generic_handle_irq(IRQ_LPD7A40X_ETH_INT);
 
 	if ((mask & 0x2) == 0)	/* Touch */
-		IRQ_DISPATCH (IRQ_LPD7A400_TS);
+		generic_handle_irq(IRQ_LPD7A400_TS);
 
 	desc->chip->unmask (irq); /* Level-triggered need this */
 }
diff --git a/arch/arm/mach-netx/generic.c b/arch/arm/mach-netx/generic.c
index 1b40483ea75..3830eca2438 100644
--- a/arch/arm/mach-netx/generic.c
+++ b/arch/arm/mach-netx/generic.c
@@ -77,15 +77,12 @@ netx_hif_demux_handler(unsigned int irq_unused, struct irq_desc *desc)
 	stat = ((readl(NETX_DPMAS_INT_EN) &
 		readl(NETX_DPMAS_INT_STAT)) >> 24) & 0x1f;
 
-	desc = irq_desc + NETX_IRQ_HIF_CHAINED(0);
-
 	while (stat) {
 		if (stat & 1) {
 			DEBUG_IRQ("handling irq %d\n", irq);
-			desc_handle_irq(irq, desc);
+			generic_handle_irq(irq);
 		}
 		irq++;
-		desc++;
 		stat >>= 1;
 	}
 }
diff --git a/arch/arm/mach-ns9xxx/board-a9m9750dev.c b/arch/arm/mach-ns9xxx/board-a9m9750dev.c
index a22a608a7ab..b45bb3b802f 100644
--- a/arch/arm/mach-ns9xxx/board-a9m9750dev.c
+++ b/arch/arm/mach-ns9xxx/board-a9m9750dev.c
@@ -86,13 +86,10 @@ static void a9m9750dev_fpga_demux_handler(unsigned int irq,
 
 	while (stat != 0) {
 		int irqno = fls(stat) - 1;
-		struct irq_desc *fpgadesc;
 
 		stat &= ~(1 << irqno);
 
-		fpgadesc = irq_desc + FPGA_IRQ(irqno);
-
-		desc_handle_irq(FPGA_IRQ(irqno), fpgadesc);
+		generic_handle_irq(FPGA_IRQ(irqno));
 	}
 
 	desc->chip->unmask(irq);
diff --git a/arch/arm/mach-omap1/board-voiceblue.c b/arch/arm/mach-omap1/board-voiceblue.c
index 213b4878710..45a01311669 100644
--- a/arch/arm/mach-omap1/board-voiceblue.c
+++ b/arch/arm/mach-omap1/board-voiceblue.c
@@ -21,6 +21,7 @@
 #include <linux/reboot.h>
 #include <linux/serial_8250.h>
 #include <linux/serial_reg.h>
+#include <linux/irq.h>
 
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
diff --git a/arch/arm/mach-omap1/fpga.c b/arch/arm/mach-omap1/fpga.c
index 4449d86095f..23f2c3aeb38 100644
--- a/arch/arm/mach-omap1/fpga.c
+++ b/arch/arm/mach-omap1/fpga.c
@@ -86,7 +86,6 @@ static void fpga_mask_ack_irq(unsigned int irq)
 
 void innovator_fpga_IRQ_demux(unsigned int irq, struct irq_desc *desc)
 {
-	struct irq_desc *d;
 	u32 stat;
 	int fpga_irq;
 
@@ -99,8 +98,7 @@ void innovator_fpga_IRQ_demux(unsigned int irq, struct irq_desc *desc)
 	     (fpga_irq < OMAP_FPGA_IRQ_END) && stat;
 	     fpga_irq++, stat >>= 1) {
 		if (stat & 1) {
-			d = irq_desc + fpga_irq;
-			desc_handle_irq(fpga_irq, d);
+			generic_handle_irq(fpga_irq);
 		}
 	}
 }
diff --git a/arch/arm/mach-orion5x/irq.c b/arch/arm/mach-orion5x/irq.c
index 2545ff9e583..15f27aa7f53 100644
--- a/arch/arm/mach-orion5x/irq.c
+++ b/arch/arm/mach-orion5x/irq.c
@@ -162,7 +162,7 @@ static void orion5x_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
 				polarity ^= 1 << pin;
 				writel(polarity, GPIO_IN_POL);
 			}
-			desc_handle_irq(irq, desc);
+			generic_handle_irq(irq);
 		}
 	}
 }
diff --git a/arch/arm/mach-pxa/gpio.c b/arch/arm/mach-pxa/gpio.c
index 07acc1b2385..e92bec510e5 100644
--- a/arch/arm/mach-pxa/gpio.c
+++ b/arch/arm/mach-pxa/gpio.c
@@ -275,7 +275,7 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc)
 			loop = 1;
 
 			n = PXA_GPIO_IRQ_BASE + bit;
-			desc_handle_irq(n, irq_desc + n);
+			generic_handle_irq(n);
 
 			bit = find_next_bit(gedr, GEDR_BITS, bit + 1);
 		}
diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c
index 92728a37298..de3f67daaac 100644
--- a/arch/arm/mach-pxa/lpd270.c
+++ b/arch/arm/mach-pxa/lpd270.c
@@ -125,8 +125,7 @@ static void lpd270_irq_handler(unsigned int irq, struct irq_desc *desc)
 		GEDR(0) = GPIO_bit(0);  /* clear useless edge notification */
 		if (likely(pending)) {
 			irq = LPD270_IRQ(0) + __ffs(pending);
-			desc = irq_desc + irq;
-			desc_handle_irq(irq, desc);
+			generic_handle_irq(irq);
 
 			pending = __raw_readw(LPD270_INT_STATUS) &
 						lpd270_irq_enabled;
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index ecbfbb9f46a..bff704354c1 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -155,8 +155,7 @@ static void lubbock_irq_handler(unsigned int irq, struct irq_desc *desc)
 		GEDR(0) = GPIO_bit(0);	/* clear our parent irq */
 		if (likely(pending)) {
 			irq = LUBBOCK_IRQ(0) + __ffs(pending);
-			desc = irq_desc + irq;
-			desc_handle_irq(irq, desc);
+			generic_handle_irq(irq);
 		}
 		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 a02edfd4fc0..f2c7ad8f2b6 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -162,8 +162,7 @@ static void mainstone_irq_handler(unsigned int irq, struct irq_desc *desc)
 		GEDR(0) = GPIO_bit(0);  /* clear useless edge notification */
 		if (likely(pending)) {
 			irq = MAINSTONE_IRQ(0) + __ffs(pending);
-			desc = irq_desc + irq;
-			desc_handle_irq(irq, desc);
+			generic_handle_irq(irq);
 		}
 		pending = MST_INTSETCLR & mainstone_irq_enabled;
 	} while (pending);
diff --git a/arch/arm/mach-pxa/pcm990-baseboard.c b/arch/arm/mach-pxa/pcm990-baseboard.c
index e9efb80bb33..f601425f1b1 100644
--- a/arch/arm/mach-pxa/pcm990-baseboard.c
+++ b/arch/arm/mach-pxa/pcm990-baseboard.c
@@ -262,8 +262,7 @@ static void pcm990_irq_handler(unsigned int irq, struct irq_desc *desc)
 					GPIO_bit(PCM990_CTRL_INT_IRQ_GPIO);
 		if (likely(pending)) {
 			irq = PCM027_IRQ(0) + __ffs(pending);
-			desc = irq_desc + irq;
-			desc_handle_irq(irq, desc);
+			generic_handle_irq(irq);
 		}
 		pending = (~PCM990_INTSETCLR) & pcm990_irq_enabled;
 	} while (pending);
diff --git a/arch/arm/mach-s3c2410/bast-irq.c b/arch/arm/mach-s3c2410/bast-irq.c
index c66021b5fa4..44140bd99ed 100644
--- a/arch/arm/mach-s3c2410/bast-irq.c
+++ b/arch/arm/mach-s3c2410/bast-irq.c
@@ -130,8 +130,7 @@ bast_irq_pc104_demux(unsigned int irq,
 		for (i = 0; stat != 0; i++, stat >>= 1) {
 			if (stat & 1) {
 				irqno = bast_pc104_irqs[i];
-				desc = irq_desc + irqno;
-				desc_handle_irq(irqno, desc);
+				generic_handle_irq(irqno);
 			}
 		}
 	}
diff --git a/arch/arm/mach-s3c2412/irq.c b/arch/arm/mach-s3c2412/irq.c
index ac62b79044f..72159d31966 100644
--- a/arch/arm/mach-s3c2412/irq.c
+++ b/arch/arm/mach-s3c2412/irq.c
@@ -123,10 +123,10 @@ static void s3c2412_irq_demux_cfsdi(unsigned int irq, struct irq_desc *desc)
 	subsrc  &= ~submsk;
 
 	if (subsrc & INTBIT(IRQ_S3C2412_SDI))
-		desc_handle_irq(IRQ_S3C2412_SDI, irq_desc + IRQ_S3C2412_SDI);
+		generic_handle_irq(IRQ_S3C2412_SDI);
 
 	if (subsrc & INTBIT(IRQ_S3C2412_CF))
-		desc_handle_irq(IRQ_S3C2412_CF, irq_desc + IRQ_S3C2412_CF);
+		generic_handle_irq(IRQ_S3C2412_CF);
 }
 
 #define INTMSK_CFSDI	(1UL << (IRQ_S3C2412_CFSDI - IRQ_EINT0))
diff --git a/arch/arm/mach-s3c2440/irq.c b/arch/arm/mach-s3c2440/irq.c
index 276b823f4e2..ad68b4d8835 100644
--- a/arch/arm/mach-s3c2440/irq.c
+++ b/arch/arm/mach-s3c2440/irq.c
@@ -44,7 +44,6 @@ static void s3c_irq_demux_wdtac97(unsigned int irq,
 				  struct irq_desc *desc)
 {
 	unsigned int subsrc, submsk;
-	struct irq_desc *mydesc;
 
 	/* read the current pending interrupts, and the mask
 	 * for what it is available */
@@ -58,12 +57,10 @@ static void s3c_irq_demux_wdtac97(unsigned int irq,
 
 	if (subsrc != 0) {
 		if (subsrc & 1) {
-			mydesc = irq_desc + IRQ_S3C2440_WDT;
-			desc_handle_irq(IRQ_S3C2440_WDT, mydesc);
+			generic_handle_irq(IRQ_S3C2440_WDT);
 		}
 		if (subsrc & 2) {
-			mydesc = irq_desc + IRQ_S3C2440_AC97;
-			desc_handle_irq(IRQ_S3C2440_AC97, mydesc);
+			generic_handle_irq(IRQ_S3C2440_AC97);
 		}
 	}
 }
diff --git a/arch/arm/mach-s3c2443/irq.c b/arch/arm/mach-s3c2443/irq.c
index 9674de7223f..1570d3a6e15 100644
--- a/arch/arm/mach-s3c2443/irq.c
+++ b/arch/arm/mach-s3c2443/irq.c
@@ -44,7 +44,6 @@ static inline void s3c2443_irq_demux(unsigned int irq, unsigned int len)
 {
 	unsigned int subsrc, submsk;
 	unsigned int end;
-	struct irq_desc *mydesc;
 
 	/* read the current pending interrupts, and the mask
 	 * for what it is available */
@@ -57,13 +56,11 @@ static inline void s3c2443_irq_demux(unsigned int irq, unsigned int len)
 	subsrc  &= (1 << len)-1;
 
 	end = len + irq;
-	mydesc = irq_desc + irq;
 
 	for (; irq < end && subsrc; irq++) {
 		if (subsrc & 1)
-			desc_handle_irq(irq, mydesc);
+			generic_handle_irq(irq);
 
-		mydesc++;
 		subsrc >>= 1;
 	}
 }
diff --git a/arch/arm/mach-sa1100/irq.c b/arch/arm/mach-sa1100/irq.c
index 86369a8f0ce..3093d46a9c6 100644
--- a/arch/arm/mach-sa1100/irq.c
+++ b/arch/arm/mach-sa1100/irq.c
@@ -122,14 +122,12 @@ sa1100_high_gpio_handler(unsigned int irq, struct irq_desc *desc)
 		GEDR = mask;
 
 		irq = IRQ_GPIO11;
-		desc = irq_desc + irq;
 		mask >>= 11;
 		do {
 			if (mask & 1)
-				desc_handle_irq(irq, desc);
+				generic_handle_irq(irq);
 			mask >>= 1;
 			irq++;
-			desc++;
 		} while (mask);
 
 		mask = GEDR & 0xfffff800;
diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c
index 4856a6bd248..6ccd175bc4c 100644
--- a/arch/arm/mach-sa1100/neponset.c
+++ b/arch/arm/mach-sa1100/neponset.c
@@ -33,8 +33,6 @@ neponset_irq_handler(unsigned int irq, struct irq_desc *desc)
 	unsigned int irr;
 
 	while (1) {
-		struct irq_desc *d;
-
 		/*
 		 * Acknowledge the parent IRQ.
 		 */
@@ -67,21 +65,18 @@ neponset_irq_handler(unsigned int irq, struct irq_desc *desc)
 			desc->chip->ack(irq);
 
 			if (irr & IRR_ETHERNET) {
-				d = irq_desc + IRQ_NEPONSET_SMC9196;
-				desc_handle_irq(IRQ_NEPONSET_SMC9196, d);
+				generic_handle_irq(IRQ_NEPONSET_SMC9196);
 			}
 
 			if (irr & IRR_USAR) {
-				d = irq_desc + IRQ_NEPONSET_USAR;
-				desc_handle_irq(IRQ_NEPONSET_USAR, d);
+				generic_handle_irq(IRQ_NEPONSET_USAR);
 			}
 
 			desc->chip->unmask(irq);
 		}
 
 		if (irr & IRR_SA1111) {
-			d = irq_desc + IRQ_NEPONSET_SA1111;
-			desc_handle_irq(IRQ_NEPONSET_SA1111, d);
+			generic_handle_irq(IRQ_NEPONSET_SA1111);
 		}
 	}
 }
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index d75e795c893..c3468bf2841 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -95,8 +95,7 @@ sic_handle_irq(unsigned int irq, struct irq_desc *desc)
 
 		irq += IRQ_SIC_START;
 
-		desc = irq_desc + irq;
-		desc_handle_irq(irq, desc);
+		generic_handle_irq(irq);
 	} while (status);
 }
 
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 9e1341ebc14..960040aa71f 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -1051,13 +1051,10 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
 
 		gpio_irq = bank->virtual_irq_start;
 		for (; isr != 0; isr >>= 1, gpio_irq++) {
-			struct irq_desc *d;
-
 			if (!(isr & 1))
 				continue;
-			d = irq_desc + gpio_irq;
 
-			desc_handle_irq(gpio_irq, d);
+			generic_handle_irq(gpio_irq);
 		}
 	}
 	/* if bank has any level sensitive GPIO pin interrupt
diff --git a/arch/arm/plat-s3c24xx/irq.c b/arch/arm/plat-s3c24xx/irq.c
index 36cefe17683..b6c84f4f7a1 100644
--- a/arch/arm/plat-s3c24xx/irq.c
+++ b/arch/arm/plat-s3c24xx/irq.c
@@ -468,7 +468,6 @@ static void s3c_irq_demux_adc(unsigned int irq,
 {
 	unsigned int subsrc, submsk;
 	unsigned int offset = 9;
-	struct irq_desc *mydesc;
 
 	/* read the current pending interrupts, and the mask
 	 * for what it is available */
@@ -482,12 +481,10 @@ static void s3c_irq_demux_adc(unsigned int irq,
 
 	if (subsrc != 0) {
 		if (subsrc & 1) {
-			mydesc = irq_desc + IRQ_TC;
-			desc_handle_irq(IRQ_TC, mydesc);
+			generic_handle_irq(IRQ_TC);
 		}
 		if (subsrc & 2) {
-			mydesc = irq_desc + IRQ_ADC;
-			desc_handle_irq(IRQ_ADC, mydesc);
+			generic_handle_irq(IRQ_ADC);
 		}
 	}
 }
@@ -496,7 +493,6 @@ static void s3c_irq_demux_uart(unsigned int start)
 {
 	unsigned int subsrc, submsk;
 	unsigned int offset = start - IRQ_S3CUART_RX0;
-	struct irq_desc *desc;
 
 	/* read the current pending interrupts, and the mask
 	 * for what it is available */
@@ -512,20 +508,14 @@ static void s3c_irq_demux_uart(unsigned int start)
 	subsrc &= 7;
 
 	if (subsrc != 0) {
-		desc = irq_desc + start;
-
 		if (subsrc & 1)
-			desc_handle_irq(start, desc);
-
-		desc++;
+			generic_handle_irq(start);
 
 		if (subsrc & 2)
-			desc_handle_irq(start+1, desc);
-
-		desc++;
+			generic_handle_irq(start+1);
 
 		if (subsrc & 4)
-			desc_handle_irq(start+2, desc);
+			generic_handle_irq(start+2);
 	}
 }
 
@@ -572,7 +562,7 @@ s3c_irq_demux_extint8(unsigned int irq,
 		eintpnd &= ~(1<<irq);
 
 		irq += (IRQ_EINT4 - 4);
-		desc_handle_irq(irq, irq_desc + irq);
+		generic_handle_irq(irq);
 	}
 
 }
@@ -595,7 +585,7 @@ s3c_irq_demux_extint4t7(unsigned int irq,
 
 		irq += (IRQ_EINT4 - 4);
 
-		desc_handle_irq(irq, irq_desc + irq);
+		generic_handle_irq(irq);
 	}
 }
 
diff --git a/arch/arm/plat-s3c24xx/s3c244x-irq.c b/arch/arm/plat-s3c24xx/s3c244x-irq.c
index f3dc38cf1de..1e094fcb45a 100644
--- a/arch/arm/plat-s3c24xx/s3c244x-irq.c
+++ b/arch/arm/plat-s3c24xx/s3c244x-irq.c
@@ -44,7 +44,6 @@ static void s3c_irq_demux_cam(unsigned int irq,
 			      struct irq_desc *desc)
 {
 	unsigned int subsrc, submsk;
-	struct irq_desc *mydesc;
 
 	/* read the current pending interrupts, and the mask
 	 * for what it is available */
@@ -58,12 +57,10 @@ static void s3c_irq_demux_cam(unsigned int irq,
 
 	if (subsrc != 0) {
 		if (subsrc & 1) {
-			mydesc = irq_desc + IRQ_S3C2440_CAM_C;
-			desc_handle_irq(IRQ_S3C2440_CAM_C, mydesc);
+			generic_handle_irq(IRQ_S3C2440_CAM_C);
 		}
 		if (subsrc & 2) {
-			mydesc = irq_desc + IRQ_S3C2440_CAM_P;
-			desc_handle_irq(IRQ_S3C2440_CAM_P, mydesc);
+			generic_handle_irq(IRQ_S3C2440_CAM_P);
 		}
 	}
 }