42 files changed, 72 insertions, 162 deletions

diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c
index 5fe9588db077..2793447621c3 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 283051eaf931..8f473b7c3494 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 7a50575a8d4d..60c079d85355 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 f88efb135b70..2f3eb795fa6e 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 8392d5b517f1..94c2f96811f9 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 c9cb4f09b18f..574cb810a500 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 f99f43669392..68ee82b49597 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 7132e522c366..d5a29a0e7d9d 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 b5f9741ae13c..c1fa44cff38d 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 53e1f62f2e79..fd33a19c813a 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 798f221eb3b7..cbdd7d1dac92 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 6b99e9c258bd..0c9a91d6ec83 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 63ef1124ca5c..f34b0ed80630 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 a6a4f93085fd..e193a34e4175 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 5a781fd9757a..4c749d490241 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 78a2341dee2c..b78c08d1f638 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 68b4ac5b2481..aa4c4420ff3d 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 b6e0bfa44df9..f1b124a709ab 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 551b97261826..3d7bd50b9095 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 e373fb8e2699..cb15e5d32120 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 0ca20c6c83b7..6ed3f6b6db76 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 0d5063ebda10..fd033bb4342f 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 1b40483ea753..3830eca2438a 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 a22a608a7aba..b45bb3b802f1 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 213b48787102..45a01311669a 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 4449d86095f6..23f2c3aeb384 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 2545ff9e5830..15f27aa7f53e 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 07acc1b23857..e92bec510e5e 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 92728a37298a..de3f67daaacf 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 ecbfbb9f46a2..bff704354c1a 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 a02edfd4fc0a..f2c7ad8f2b6b 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 e9efb80bb339..f601425f1b1e 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 c66021b5fa4d..44140bd99ed3 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 ac62b79044f4..72159d31966e 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 276b823f4e27..ad68b4d88353 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 9674de7223fd..1570d3a6e15f 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 86369a8f0cea..3093d46a9c6f 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 4856a6bd2482..6ccd175bc4cf 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 d75e795c893e..c3468bf2841e 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 9e1341ebc14e..960040aa71f7 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 36cefe176835..b6c84f4f7a12 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 f3dc38cf1de4..1e094fcb45a5 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);
                 }
         }
 }