x86/PCI: janitor work in irq.c
authorMiklos Vajna <vmiklos@frugalware.org>
Tue, 13 May 2008 16:38:56 +0000 (18:38 +0200)
committerJesse Barnes <jbarnes@virtuousgeek.org>
Tue, 10 Jun 2008 17:59:46 +0000 (10:59 -0700)
Wrapped long lines, removed trailing whitespaces, fixed case indentation
inside switch and so.

Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
arch/x86/pci/irq.c

index ca8df9c..c422e10 100644 (file)
@@ -11,8 +11,8 @@
 #include <linux/slab.h>
 #include <linux/interrupt.h>
 #include <linux/dmi.h>
-#include <asm/io.h>
-#include <asm/smp.h>
+#include <linux/io.h>
+#include <linux/smp.h>
 #include <asm/io_apic.h>
 #include <linux/irq.h>
 #include <linux/acpi.h>
@@ -45,7 +45,8 @@ struct irq_router {
        char *name;
        u16 vendor, device;
        int (*get)(struct pci_dev *router, struct pci_dev *dev, int pirq);
-       int (*set)(struct pci_dev *router, struct pci_dev *dev, int pirq, int new);
+       int (*set)(struct pci_dev *router, struct pci_dev *dev, int pirq,
+               int new);
 };
 
 struct irq_router_handler {
@@ -61,7 +62,7 @@ void (*pcibios_disable_irq)(struct pci_dev *dev) = NULL;
  *  and perform checksum verification.
  */
 
-static inline struct irq_routing_table * pirq_check_routing_table(u8 *addr)
+static inline struct irq_routing_table *pirq_check_routing_table(u8 *addr)
 {
        struct irq_routing_table *rt;
        int i;
@@ -74,10 +75,11 @@ static inline struct irq_routing_table * pirq_check_routing_table(u8 *addr)
            rt->size < sizeof(struct irq_routing_table))
                return NULL;
        sum = 0;
-       for (i=0; i < rt->size; i++)
+       for (i = 0; i < rt->size; i++)
                sum += addr[i];
        if (!sum) {
-               DBG(KERN_DEBUG "PCI: Interrupt Routing Table found at 0x%p\n", rt);
+               DBG(KERN_DEBUG "PCI: Interrupt Routing Table found at 0x%p\n",
+                       rt);
                return rt;
        }
        return NULL;
@@ -100,7 +102,8 @@ static struct irq_routing_table * __init pirq_find_routing_table(void)
                        return rt;
                printk(KERN_WARNING "PCI: PIRQ table NOT found at pirqaddr\n");
        }
-       for(addr = (u8 *) __va(0xf0000); addr < (u8 *) __va(0x100000); addr += 16) {
+       for (addr = (u8 *) __va(0xf0000); addr < (u8 *) __va(0x100000);
+               addr += 16) {
                rt = pirq_check_routing_table(addr);
                if (rt)
                        return rt;
@@ -122,20 +125,23 @@ static void __init pirq_peer_trick(void)
        struct irq_info *e;
 
        memset(busmap, 0, sizeof(busmap));
-       for(i=0; i < (rt->size - sizeof(struct irq_routing_table)) / sizeof(struct irq_info); i++) {
+       for (i = 0; i < (rt->size - sizeof(struct irq_routing_table)) /
+               sizeof(struct irq_info); i++) {
                e = &rt->slots[i];
 #ifdef DEBUG
                {
                        int j;
-                       DBG(KERN_DEBUG "%02x:%02x slot=%02x", e->bus, e->devfn/8, e->slot);
-                       for(j=0; j<4; j++)
-                               DBG(" %d:%02x/%04x", j, e->irq[j].link, e->irq[j].bitmap);
+                       DBG(KERN_DEBUG "%02x:%02x slot=%02x", e->bus,
+                               e->devfn/8, e->slot);
+                       for (j = 0; j < 4; j++)
+                               DBG(" %d:%02x/%04x", j, e->irq[j].link,
+                                       e->irq[j].bitmap);
                        DBG("\n");
                }
 #endif
                busmap[e->bus] = 1;
        }
-       for(i = 1; i < 256; i++) {
+       for (i = 1; i < 256; i++) {
                int node;
                if (!busmap[i] || pci_find_bus(0, i))
                        continue;
@@ -174,7 +180,8 @@ void eisa_set_level_irq(unsigned int irq)
  * Common IRQ routing practice: nibbles in config space,
  * offset by some magic constant.
  */
-static unsigned int read_config_nybble(struct pci_dev *router, unsigned offset, unsigned nr)
+static unsigned int
+read_config_nybble(struct pci_dev *router, unsigned offset, unsigned nr)
 {
        u8 x;
        unsigned reg = offset + (nr >> 1);
@@ -183,7 +190,8 @@ static unsigned int read_config_nybble(struct pci_dev *router, unsigned offset,
        return (nr & 1) ? (x >> 4) : (x & 0xf);
 }
 
-static void write_config_nybble(struct pci_dev *router, unsigned offset, unsigned nr, unsigned int val)
+static void write_config_nybble(struct pci_dev *router, unsigned offset,
+       unsigned nr, unsigned int val)
 {
        u8 x;
        unsigned reg = offset + (nr >> 1);
@@ -200,15 +208,18 @@ static void write_config_nybble(struct pci_dev *router, unsigned offset, unsigne
  */
 static int pirq_ali_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
 {
-       static const unsigned char irqmap[16] = { 0, 9, 3, 10, 4, 5, 7, 6, 1, 11, 0, 12, 0, 14, 0, 15 };
+       static const unsigned char irqmap[16] = { 0, 9, 3, 10, 4, 5, 7, 6, 1,
+               11, 0, 12, 0, 14, 0, 15 };
 
        WARN_ON_ONCE(pirq > 16);
        return irqmap[read_config_nybble(router, 0x48, pirq-1)];
 }
 
-static int pirq_ali_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int
+pirq_ali_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
 {
-       static const unsigned char irqmap[16] = { 0, 8, 0, 2, 4, 5, 7, 6, 0, 1, 3, 9, 11, 0, 13, 15 };
+       static const unsigned char irqmap[16] = { 0, 8, 0, 2, 4, 5, 7, 6, 0, 1,
+               3, 9, 11, 0, 13, 15 };
        unsigned int val = irqmap[irq];
 
        WARN_ON_ONCE(pirq > 16);
@@ -231,7 +242,8 @@ static int pirq_piix_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
        return (x < 16) ? x : 0;
 }
 
-static int pirq_piix_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int
+pirq_piix_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
 {
        pci_write_config_byte(router, pirq, irq);
        return 1;
@@ -247,7 +259,8 @@ static int pirq_via_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
        return read_config_nybble(router, 0x55, pirq == 4 ? 5 : pirq);
 }
 
-static int pirq_via_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int
+pirq_via_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
 {
        write_config_nybble(router, 0x55, pirq == 4 ? 5 : pirq, irq);
        return 1;
@@ -258,7 +271,8 @@ static int pirq_via_set(struct pci_dev *router, struct pci_dev *dev, int pirq, i
  * but without the ugly irq number munging.
  * However, for 82C586, nibble map is different .
  */
-static int pirq_via586_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
+static int
+pirq_via586_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
 {
        static const unsigned int pirqmap[5] = { 3, 2, 5, 1, 1 };
 
@@ -266,7 +280,8 @@ static int pirq_via586_get(struct pci_dev *router, struct pci_dev *dev, int pirq
        return read_config_nybble(router, 0x55, pirqmap[pirq-1]);
 }
 
-static int pirq_via586_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int
+pirq_via586_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
 {
        static const unsigned int pirqmap[5] = { 3, 2, 5, 1, 1 };
 
@@ -285,10 +300,11 @@ static int pirq_ite_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
        static const unsigned char pirqmap[4] = { 1, 0, 2, 3 };
 
        WARN_ON_ONCE(pirq > 4);
-       return read_config_nybble(router,0x43, pirqmap[pirq-1]);
+       return read_config_nybble(router, 0x43, pirqmap[pirq-1]);
 }
 
-static int pirq_ite_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int
+pirq_ite_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
 {
        static const unsigned char pirqmap[4] = { 1, 0, 2, 3 };
 
@@ -306,7 +322,8 @@ static int pirq_opti_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
        return read_config_nybble(router, 0xb8, pirq >> 4);
 }
 
-static int pirq_opti_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int
+pirq_opti_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
 {
        write_config_nybble(router, 0xb8, pirq >> 4, irq);
        return 1;
@@ -314,7 +331,7 @@ static int pirq_opti_set(struct pci_dev *router, struct pci_dev *dev, int pirq,
 
 /*
  * Cyrix: nibble offset 0x5C
- * 0x5C bits 7:4 is INTB bits 3:0 is INTA 
+ * 0x5C bits 7:4 is INTB bits 3:0 is INTA
  * 0x5D bits 7:4 is INTD bits 3:0 is INTC
  */
 static int pirq_cyrix_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
@@ -322,7 +339,8 @@ static int pirq_cyrix_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
        return read_config_nybble(router, 0x5C, (pirq-1)^1);
 }
 
-static int pirq_cyrix_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int
+pirq_cyrix_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
 {
        write_config_nybble(router, 0x5C, (pirq-1)^1, irq);
        return 1;
@@ -350,7 +368,7 @@ static int pirq_cyrix_set(struct pci_dev *router, struct pci_dev *dev, int pirq,
  *     Apparently there are systems implementing PCI routing table using
  *     link values 0x01-0x04 and others using 0x41-0x44 for PCI INTA..D.
  *     We try our best to handle both link mappings.
- *     
+ *
  *     Currently (2003-05-21) it appears most SiS chipsets follow the
  *     definition of routing registers from the SiS-5595 southbridge.
  *     According to the SiS 5595 datasheets the revision id's of the
@@ -370,7 +388,7 @@ static int pirq_cyrix_set(struct pci_dev *router, struct pci_dev *dev, int pirq,
  *
  *     0x62:   USBIRQ:
  *             bit 6 OHCI function disabled (0), enabled (1)
- *     
+ *
  *     0x6a:   ACPI/SCI IRQ: bits 4-6 reserved
  *
  *     0x7e:   Data Acq. Module IRQ - bits 4-6 reserved
@@ -405,7 +423,8 @@ static int pirq_sis_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
        return (x & PIRQ_SIS_IRQ_DISABLE) ? 0 : (x & PIRQ_SIS_IRQ_MASK);
 }
 
-static int pirq_sis_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int
+pirq_sis_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
 {
        u8 x;
        int reg;
@@ -439,7 +458,8 @@ static int pirq_vlsi_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
        return read_config_nybble(router, 0x74, pirq-1);
 }
 
-static int pirq_vlsi_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int
+pirq_vlsi_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
 {
        WARN_ON_ONCE(pirq >= 9);
        if (pirq > 8) {
@@ -461,13 +481,15 @@ static int pirq_vlsi_set(struct pci_dev *router, struct pci_dev *dev, int pirq,
  * 0x00 for ACPI (SCI), 0x01 for USB, 0x02 for IDE0, 0x04 for IDE1,
  * and 0x03 for SMBus.
  */
-static int pirq_serverworks_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
+static int
+pirq_serverworks_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
 {
        outb(pirq, 0xc00);
        return inb(0xc01) & 0xf;
 }
 
-static int pirq_serverworks_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int pirq_serverworks_set(struct pci_dev *router, struct pci_dev *dev,
+       int pirq, int irq)
 {
        outb(pirq, 0xc00);
        outb(irq, 0xc01);
@@ -482,27 +504,27 @@ static int pirq_serverworks_set(struct pci_dev *router, struct pci_dev *dev, int
  * offset 0x56 0-3 PIRQA  4-7  PIRQB
  * offset 0x57 0-3 PIRQC  4-7  PIRQD
  */
-static int pirq_amd756_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
+static int
+pirq_amd756_get(struct pci_dev *router, struct pci_dev *dev, int pirq)
 {
        u8 irq;
        irq = 0;
        if (pirq <= 4)
-       {
                irq = read_config_nybble(router, 0x56, pirq - 1);
-       }
-       printk(KERN_INFO "AMD756: dev %04x:%04x, router pirq : %d get irq : %2d\n",
+       printk(KERN_INFO
+               "AMD756: dev %04x:%04x, router pirq : %d get irq : %2d\n",
                dev->vendor, dev->device, pirq, irq);
        return irq;
 }
 
-static int pirq_amd756_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int
+pirq_amd756_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
 {
-       printk(KERN_INFO "AMD756: dev %04x:%04x, router pirq : %d SET irq : %2d\n", 
+       printk(KERN_INFO
+               "AMD756: dev %04x:%04x, router pirq : %d SET irq : %2d\n",
                dev->vendor, dev->device, pirq, irq);
        if (pirq <= 4)
-       {
                write_config_nybble(router, 0x56, pirq - 1, irq);
-       }
        return 1;
 }
 
@@ -528,7 +550,8 @@ static int pirq_pico_set(struct pci_dev *router, struct pci_dev *dev, int pirq,
 
 #ifdef CONFIG_PCI_BIOS
 
-static int pirq_bios_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
+static int
+pirq_bios_set(struct pci_dev *router, struct pci_dev *dev, int pirq, int irq)
 {
        struct pci_dev *bridge;
        int pin = pci_get_interrupt_pin(dev, &bridge);
@@ -537,11 +560,14 @@ static int pirq_bios_set(struct pci_dev *router, struct pci_dev *dev, int pirq,
 
 #endif
 
-static __init int intel_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+static __init int
+intel_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
 {
        static struct pci_device_id __initdata pirq_440gx[] = {
-               { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82443GX_0) },
-               { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82443GX_2) },
+               { PCI_DEVICE(PCI_VENDOR_ID_INTEL,
+                       PCI_DEVICE_ID_INTEL_82443GX_0) },
+               { PCI_DEVICE(PCI_VENDOR_ID_INTEL,
+                       PCI_DEVICE_ID_INTEL_82443GX_2) },
                { },
        };
 
@@ -549,50 +575,49 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route
        if (pci_dev_present(pirq_440gx))
                return 0;
 
-       switch(device)
-       {
-               case PCI_DEVICE_ID_INTEL_82371FB_0:
-               case PCI_DEVICE_ID_INTEL_82371SB_0:
-               case PCI_DEVICE_ID_INTEL_82371AB_0:
-               case PCI_DEVICE_ID_INTEL_82371MX:
-               case PCI_DEVICE_ID_INTEL_82443MX_0:
-               case PCI_DEVICE_ID_INTEL_82801AA_0:
-               case PCI_DEVICE_ID_INTEL_82801AB_0:
-               case PCI_DEVICE_ID_INTEL_82801BA_0:
-               case PCI_DEVICE_ID_INTEL_82801BA_10:
-               case PCI_DEVICE_ID_INTEL_82801CA_0:
-               case PCI_DEVICE_ID_INTEL_82801CA_12:
-               case PCI_DEVICE_ID_INTEL_82801DB_0:
-               case PCI_DEVICE_ID_INTEL_82801E_0:
-               case PCI_DEVICE_ID_INTEL_82801EB_0:
-               case PCI_DEVICE_ID_INTEL_ESB_1:
-               case PCI_DEVICE_ID_INTEL_ICH6_0:
-               case PCI_DEVICE_ID_INTEL_ICH6_1:
-               case PCI_DEVICE_ID_INTEL_ICH7_0:
-               case PCI_DEVICE_ID_INTEL_ICH7_1:
-               case PCI_DEVICE_ID_INTEL_ICH7_30:
-               case PCI_DEVICE_ID_INTEL_ICH7_31:
-               case PCI_DEVICE_ID_INTEL_ESB2_0:
-               case PCI_DEVICE_ID_INTEL_ICH8_0:
-               case PCI_DEVICE_ID_INTEL_ICH8_1:
-               case PCI_DEVICE_ID_INTEL_ICH8_2:
-               case PCI_DEVICE_ID_INTEL_ICH8_3:
-               case PCI_DEVICE_ID_INTEL_ICH8_4:
-               case PCI_DEVICE_ID_INTEL_ICH9_0:
-               case PCI_DEVICE_ID_INTEL_ICH9_1:
-               case PCI_DEVICE_ID_INTEL_ICH9_2:
-               case PCI_DEVICE_ID_INTEL_ICH9_3:
-               case PCI_DEVICE_ID_INTEL_ICH9_4:
-               case PCI_DEVICE_ID_INTEL_ICH9_5:
-               case PCI_DEVICE_ID_INTEL_TOLAPAI_0:
-               case PCI_DEVICE_ID_INTEL_ICH10_0:
-               case PCI_DEVICE_ID_INTEL_ICH10_1:
-               case PCI_DEVICE_ID_INTEL_ICH10_2:
-               case PCI_DEVICE_ID_INTEL_ICH10_3:
-                       r->name = "PIIX/ICH";
-                       r->get = pirq_piix_get;
-                       r->set = pirq_piix_set;
-                       return 1;
+       switch (device) {
+       case PCI_DEVICE_ID_INTEL_82371FB_0:
+       case PCI_DEVICE_ID_INTEL_82371SB_0:
+       case PCI_DEVICE_ID_INTEL_82371AB_0:
+       case PCI_DEVICE_ID_INTEL_82371MX:
+       case PCI_DEVICE_ID_INTEL_82443MX_0:
+       case PCI_DEVICE_ID_INTEL_82801AA_0:
+       case PCI_DEVICE_ID_INTEL_82801AB_0:
+       case PCI_DEVICE_ID_INTEL_82801BA_0:
+       case PCI_DEVICE_ID_INTEL_82801BA_10:
+       case PCI_DEVICE_ID_INTEL_82801CA_0:
+       case PCI_DEVICE_ID_INTEL_82801CA_12:
+       case PCI_DEVICE_ID_INTEL_82801DB_0:
+       case PCI_DEVICE_ID_INTEL_82801E_0:
+       case PCI_DEVICE_ID_INTEL_82801EB_0:
+       case PCI_DEVICE_ID_INTEL_ESB_1:
+       case PCI_DEVICE_ID_INTEL_ICH6_0:
+       case PCI_DEVICE_ID_INTEL_ICH6_1:
+       case PCI_DEVICE_ID_INTEL_ICH7_0:
+       case PCI_DEVICE_ID_INTEL_ICH7_1:
+       case PCI_DEVICE_ID_INTEL_ICH7_30:
+       case PCI_DEVICE_ID_INTEL_ICH7_31:
+       case PCI_DEVICE_ID_INTEL_ESB2_0:
+       case PCI_DEVICE_ID_INTEL_ICH8_0:
+       case PCI_DEVICE_ID_INTEL_ICH8_1:
+       case PCI_DEVICE_ID_INTEL_ICH8_2:
+       case PCI_DEVICE_ID_INTEL_ICH8_3:
+       case PCI_DEVICE_ID_INTEL_ICH8_4:
+       case PCI_DEVICE_ID_INTEL_ICH9_0:
+       case PCI_DEVICE_ID_INTEL_ICH9_1:
+       case PCI_DEVICE_ID_INTEL_ICH9_2:
+       case PCI_DEVICE_ID_INTEL_ICH9_3:
+       case PCI_DEVICE_ID_INTEL_ICH9_4:
+       case PCI_DEVICE_ID_INTEL_ICH9_5:
+       case PCI_DEVICE_ID_INTEL_TOLAPAI_0:
+       case PCI_DEVICE_ID_INTEL_ICH10_0:
+       case PCI_DEVICE_ID_INTEL_ICH10_1:
+       case PCI_DEVICE_ID_INTEL_ICH10_2:
+       case PCI_DEVICE_ID_INTEL_ICH10_3:
+               r->name = "PIIX/ICH";
+               r->get = pirq_piix_get;
+               r->set = pirq_piix_set;
+               return 1;
        }
        return 0;
 }
@@ -606,7 +631,7 @@ static __init int via_router_probe(struct irq_router *r,
         * workarounds for some buggy BIOSes
         */
        if (device == PCI_DEVICE_ID_VIA_82C586_0) {
-               switch(router->device) {
+               switch (router->device) {
                case PCI_DEVICE_ID_VIA_82C686:
                        /*
                         * Asus k7m bios wrongly reports 82C686A
@@ -631,7 +656,7 @@ static __init int via_router_probe(struct irq_router *r,
                }
        }
 
-       switch(device) {
+       switch (device) {
        case PCI_DEVICE_ID_VIA_82C586_0:
                r->name = "VIA";
                r->get = pirq_via586_get;
@@ -652,88 +677,89 @@ static __init int via_router_probe(struct irq_router *r,
        return 0;
 }
 
-static __init int vlsi_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+static __init int
+vlsi_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
 {
-       switch(device)
-       {
-               case PCI_DEVICE_ID_VLSI_82C534:
-                       r->name = "VLSI 82C534";
-                       r->get = pirq_vlsi_get;
-                       r->set = pirq_vlsi_set;
-                       return 1;
+       switch (device) {
+       case PCI_DEVICE_ID_VLSI_82C534:
+               r->name = "VLSI 82C534";
+               r->get = pirq_vlsi_get;
+               r->set = pirq_vlsi_set;
+               return 1;
        }
        return 0;
 }
 
 
-static __init int serverworks_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+static __init int serverworks_router_probe(struct irq_router *r,
+               struct pci_dev *router, u16 device)
 {
-       switch(device)
-       {
-               case PCI_DEVICE_ID_SERVERWORKS_OSB4:
-               case PCI_DEVICE_ID_SERVERWORKS_CSB5:
-                       r->name = "ServerWorks";
-                       r->get = pirq_serverworks_get;
-                       r->set = pirq_serverworks_set;
-                       return 1;
+       switch (device) {
+       case PCI_DEVICE_ID_SERVERWORKS_OSB4:
+       case PCI_DEVICE_ID_SERVERWORKS_CSB5:
+               r->name = "ServerWorks";
+               r->get = pirq_serverworks_get;
+               r->set = pirq_serverworks_set;
+               return 1;
        }
        return 0;
 }
 
-static __init int sis_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+static __init int
+sis_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
 {
        if (device != PCI_DEVICE_ID_SI_503)
                return 0;
-               
+
        r->name = "SIS";
        r->get = pirq_sis_get;
        r->set = pirq_sis_set;
        return 1;
 }
 
-static __init int cyrix_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+static __init int
+cyrix_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
 {
-       switch(device)
-       {
-               case PCI_DEVICE_ID_CYRIX_5520:
-                       r->name = "NatSemi";
-                       r->get = pirq_cyrix_get;
-                       r->set = pirq_cyrix_set;
-                       return 1;
+       switch (device) {
+       case PCI_DEVICE_ID_CYRIX_5520:
+               r->name = "NatSemi";
+               r->get = pirq_cyrix_get;
+               r->set = pirq_cyrix_set;
+               return 1;
        }
        return 0;
 }
 
-static __init int opti_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+static __init int
+opti_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
 {
-       switch(device)
-       {
-               case PCI_DEVICE_ID_OPTI_82C700:
-                       r->name = "OPTI";
-                       r->get = pirq_opti_get;
-                       r->set = pirq_opti_set;
-                       return 1;
+       switch (device) {
+       case PCI_DEVICE_ID_OPTI_82C700:
+               r->name = "OPTI";
+               r->get = pirq_opti_get;
+               r->set = pirq_opti_set;
+               return 1;
        }
        return 0;
 }
 
-static __init int ite_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+static __init int
+ite_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
 {
-       switch(device)
-       {
-               case PCI_DEVICE_ID_ITE_IT8330G_0:
-                       r->name = "ITE";
-                       r->get = pirq_ite_get;
-                       r->set = pirq_ite_set;
-                       return 1;
+       switch (device) {
+       case PCI_DEVICE_ID_ITE_IT8330G_0:
+               r->name = "ITE";
+               r->get = pirq_ite_get;
+               r->set = pirq_ite_set;
+               return 1;
        }
        return 0;
 }
 
-static __init int ali_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+static __init int
+ali_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
 {
-       switch(device)
-       {
+       switch (device) {
        case PCI_DEVICE_ID_AL_M1533:
        case PCI_DEVICE_ID_AL_M1563:
                printk(KERN_DEBUG "PCI: Using ALI IRQ Router\n");
@@ -745,28 +771,29 @@ static __init int ali_router_probe(struct irq_router *r, struct pci_dev *router,
        return 0;
 }
 
-static __init int amd_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+static __init int
+amd_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
 {
-       switch(device)
-       {
-               case PCI_DEVICE_ID_AMD_VIPER_740B:
-                       r->name = "AMD756";
-                       break;
-               case PCI_DEVICE_ID_AMD_VIPER_7413:
-                       r->name = "AMD766";
-                       break;
-               case PCI_DEVICE_ID_AMD_VIPER_7443:
-                       r->name = "AMD768";
-                       break;
-               default:
-                       return 0;
+       switch (device) {
+       case PCI_DEVICE_ID_AMD_VIPER_740B:
+               r->name = "AMD756";
+               break;
+       case PCI_DEVICE_ID_AMD_VIPER_7413:
+               r->name = "AMD766";
+               break;
+       case PCI_DEVICE_ID_AMD_VIPER_7443:
+               r->name = "AMD768";
+               break;
+       default:
+               return 0;
        }
        r->get = pirq_amd756_get;
        r->set = pirq_amd756_set;
        return 1;
 }
-               
-static __init int pico_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
+
+static __init int
+pico_router_probe(struct irq_router *r, struct pci_dev *router, u16 device)
 {
        switch (device) {
        case PCI_DEVICE_ID_PICOPOWER_PT86C523:
@@ -807,7 +834,7 @@ static struct pci_dev *pirq_router_dev;
  *     FIXME: should we have an option to say "generic for
  *     chipset" ?
  */
+
 static void __init pirq_find_router(struct irq_router *r)
 {
        struct irq_routing_table *rt = pirq_table;
@@ -826,7 +853,7 @@ static void __init pirq_find_router(struct irq_router *r)
        r->name = "default";
        r->get = NULL;
        r->set = NULL;
-       
+
        DBG(KERN_DEBUG "PCI: Attempting to find IRQ router for %04x:%04x\n",
            rt->rtr_vendor, rt->rtr_device);
 
@@ -837,12 +864,14 @@ static void __init pirq_find_router(struct irq_router *r)
                return;
        }
 
-       forh = pirq_routers; h->vendor; h++) {
+       for (h = pirq_routers; h->vendor; h++) {
                /* First look for a router match */
-               if (rt->rtr_vendor == h->vendor && h->probe(r, pirq_router_dev, rt->rtr_device))
+               if (rt->rtr_vendor == h->vendor &&
+                       h->probe(r, pirq_router_dev, rt->rtr_device))
                        break;
                /* Fall back to a device match */
-               if (pirq_router_dev->vendor == h->vendor && h->probe(r, pirq_router_dev, pirq_router_dev->device))
+               if (pirq_router_dev->vendor == h->vendor &&
+                       h->probe(r, pirq_router_dev, pirq_router_dev->device))
                        break;
        }
        printk(KERN_INFO "PCI: Using IRQ router %s [%04x/%04x] at %s\n",
@@ -857,11 +886,13 @@ static void __init pirq_find_router(struct irq_router *r)
 static struct irq_info *pirq_get_info(struct pci_dev *dev)
 {
        struct irq_routing_table *rt = pirq_table;
-       int entries = (rt->size - sizeof(struct irq_routing_table)) / sizeof(struct irq_info);
+       int entries = (rt->size - sizeof(struct irq_routing_table)) /
+               sizeof(struct irq_info);
        struct irq_info *info;
 
        for (info = rt->slots; entries--; info++)
-               if (info->bus == dev->bus->number && PCI_SLOT(info->devfn) == PCI_SLOT(dev->devfn))
+               if (info->bus == dev->bus->number &&
+                       PCI_SLOT(info->devfn) == PCI_SLOT(dev->devfn))
                        return info;
        return NULL;
 }
@@ -889,7 +920,7 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
 
        if (!pirq_table)
                return 0;
-       
+
        DBG(KERN_DEBUG "IRQ for %s[%c]", pci_name(dev), 'A' + pin);
        info = pirq_get_info(dev);
        if (!info) {
@@ -902,7 +933,8 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
                DBG(" -> not routed\n" KERN_DEBUG);
                return 0;
        }
-       DBG(" -> PIRQ %02x, mask %04x, excl %04x", pirq, mask, pirq_table->exclusive_irqs);
+       DBG(" -> PIRQ %02x, mask %04x, excl %04x", pirq, mask,
+               pirq_table->exclusive_irqs);
        mask &= pcibios_irq_mask;
 
        /* Work around broken HP Pavilion Notebooks which assign USB to
@@ -915,7 +947,8 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
        }
 
        /* same for Acer Travelmate 360, but with CB and irq 11 -> 10 */
-       if (acer_tm360_irqrouting && dev->irq == 11 && dev->vendor == PCI_VENDOR_ID_O2) {
+       if (acer_tm360_irqrouting && dev->irq == 11 &&
+               dev->vendor == PCI_VENDOR_ID_O2) {
                pirq = 0x68;
                mask = 0x400;
                dev->irq = r->get(pirq_router_dev, dev, pirq);
@@ -928,17 +961,20 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
         */
        newirq = dev->irq;
        if (newirq && !((1 << newirq) & mask)) {
-               if ( pci_probe & PCI_USE_PIRQ_MASK) newirq = 0;
-               else printk("\n" KERN_WARNING
-                       "PCI: IRQ %i for device %s doesn't match PIRQ mask "
-                       "- try pci=usepirqmask\n" KERN_DEBUG, newirq,
-                       pci_name(dev));
+               if (pci_probe & PCI_USE_PIRQ_MASK)
+                       newirq = 0;
+               else
+                       printk("\n" KERN_WARNING
+                               "PCI: IRQ %i for device %s doesn't match PIRQ mask - try pci=usepirqmask\n"
+                               KERN_DEBUG, newirq,
+                               pci_name(dev));
        }
        if (!newirq && assign) {
                for (i = 0; i < 16; i++) {
                        if (!(mask & (1 << i)))
                                continue;
-                       if (pirq_penalty[i] < pirq_penalty[newirq] && can_request_irq(i, IRQF_SHARED))
+                       if (pirq_penalty[i] < pirq_penalty[newirq] &&
+                               can_request_irq(i, IRQF_SHARED))
                                newirq = i;
                }
        }
@@ -949,12 +985,13 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
                irq = pirq & 0xf;
                DBG(" -> hardcoded IRQ %d\n", irq);
                msg = "Hardcoded";
-       } else if ( r->get && (irq = r->get(pirq_router_dev, dev, pirq)) && \
-       ((!(pci_probe & PCI_USE_PIRQ_MASK)) || ((1 << irq) & mask)) ) {
+       } else if (r->get && (irq = r->get(pirq_router_dev, dev, pirq)) && \
+       ((!(pci_probe & PCI_USE_PIRQ_MASK)) || ((1 << irq) & mask))) {
                DBG(" -> got IRQ %d\n", irq);
                msg = "Found";
                eisa_set_level_irq(irq);
-       } else if (newirq && r->set && (dev->class >> 8) != PCI_CLASS_DISPLAY_VGA) {
+       } else if (newirq && r->set &&
+               (dev->class >> 8) != PCI_CLASS_DISPLAY_VGA) {
                DBG(" -> assigning IRQ %d", newirq);
                if (r->set(pirq_router_dev, dev, pirq, newirq)) {
                        eisa_set_level_irq(newirq);
@@ -972,7 +1009,8 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
                } else
                        return 0;
        }
-       printk(KERN_INFO "PCI: %s IRQ %d for device %s\n", msg, irq, pci_name(dev));
+       printk(KERN_INFO "PCI: %s IRQ %d for device %s\n", msg, irq,
+               pci_name(dev));
 
        /* Update IRQ for all devices with the same pirq value */
        while ((dev2 = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev2)) != NULL) {
@@ -984,20 +1022,26 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
                if (!info)
                        continue;
                if (info->irq[pin].link == pirq) {
-                       /* We refuse to override the dev->irq information. Give a warning! */
-                       if ( dev2->irq && dev2->irq != irq && \
+                       /*
+                        * We refuse to override the dev->irq
+                        * information. Give a warning!
+                        */
+                       if (dev2->irq && dev2->irq != irq && \
                        (!(pci_probe & PCI_USE_PIRQ_MASK) || \
-                       ((1 << dev2->irq) & mask)) ) {
+                       ((1 << dev2->irq) & mask))) {
 #ifndef CONFIG_PCI_MSI
-                               printk(KERN_INFO "IRQ routing conflict for %s, have irq %d, want irq %d\n",
-                                      pci_name(dev2), dev2->irq, irq);
+                               printk(KERN_INFO
+                                       "IRQ routing conflict for %s, have irq %d, want irq %d\n",
+                                       pci_name(dev2), dev2->irq, irq);
 #endif
-                               continue;
-                       }
+                               continue;
+                       }
                        dev2->irq = irq;
                        pirq_penalty[irq]++;
                        if (dev != dev2)
-                               printk(KERN_INFO "PCI: Sharing IRQ %d with %s\n", irq, pci_name(dev2));
+                               printk(KERN_INFO
+                                       "PCI: Sharing IRQ %d with %s\n",
+                                       irq, pci_name(dev2));
                }
        }
        return 1;
@@ -1011,15 +1055,21 @@ static void __init pcibios_fixup_irqs(void)
        DBG(KERN_DEBUG "PCI: IRQ fixup\n");
        while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
                /*
-                * If the BIOS has set an out of range IRQ number, just ignore it.
-                * Also keep track of which IRQ's are already in use.
+                * If the BIOS has set an out of range IRQ number, just
+                * ignore it.  Also keep track of which IRQ's are
+                * already in use.
                 */
                if (dev->irq >= 16) {
-                       DBG(KERN_DEBUG "%s: ignoring bogus IRQ %d\n", pci_name(dev), dev->irq);
+                       DBG(KERN_DEBUG "%s: ignoring bogus IRQ %d\n",
+                               pci_name(dev), dev->irq);
                        dev->irq = 0;
                }
-               /* If the IRQ is already assigned to a PCI device, ignore its ISA use penalty */
-               if (pirq_penalty[dev->irq] >= 100 && pirq_penalty[dev->irq] < 100000)
+               /*
+                * If the IRQ is already assigned to a PCI device,
+                * ignore its ISA use penalty
+                */
+               if (pirq_penalty[dev->irq] >= 100 &&
+                               pirq_penalty[dev->irq] < 100000)
                        pirq_penalty[dev->irq] = 0;
                pirq_penalty[dev->irq]++;
        }
@@ -1031,31 +1081,40 @@ static void __init pcibios_fixup_irqs(void)
                /*
                 * Recalculate IRQ numbers if we use the I/O APIC.
                 */
-               if (io_apic_assign_pci_irqs)
-               {
+               if (io_apic_assign_pci_irqs) {
                        int irq;
 
                        if (pin) {
-                               pin--;          /* interrupt pins are numbered starting from 1 */
-                               irq = IO_APIC_get_PCI_irq_vector(dev->bus->number, PCI_SLOT(dev->devfn), pin);
+                               /*
+                                * interrupt pins are numbered starting
+                                * from 1
+                                */
+                               pin--;
+                               irq = IO_APIC_get_PCI_irq_vector(dev->bus->number,
+                                       PCI_SLOT(dev->devfn), pin);
        /*
         * Busses behind bridges are typically not listed in the MP-table.
         * In this case we have to look up the IRQ based on the parent bus,
         * parent slot, and pin number. The SMP code detects such bridged
         * busses itself so we should get into this branch reliably.
         */
-                               if (irq < 0 && dev->bus->parent) { /* go back to the bridge */
-                                       struct pci_dev * bridge = dev->bus->self;
+                               if (irq < 0 && dev->bus->parent) {
+                                       /* go back to the bridge */
+                                       struct pci_dev *bridge = dev->bus->self;
 
                                        pin = (pin + PCI_SLOT(dev->devfn)) % 4;
-                                       irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number, 
-                                                       PCI_SLOT(bridge->devfn), pin);
+                                       irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
+                                                       PCI_SLOT(bridge->devfn),
+                                                       pin);
                                        if (irq >= 0)
-                                               printk(KERN_WARNING "PCI: using PPB %s[%c] to get irq %d\n",
-                                                       pci_name(bridge), 'A' + pin, irq);
+                                               printk(KERN_WARNING
+                                                       "PCI: using PPB %s[%c] to get irq %d\n",
+                                                       pci_name(bridge),
+                                                       'A' + pin, irq);
                                }
                                if (irq >= 0) {
-                                       printk(KERN_INFO "PCI->APIC IRQ transform: %s[%c] -> IRQ %d\n",
+                                       printk(KERN_INFO
+                                               "PCI->APIC IRQ transform: %s[%c] -> IRQ %d\n",
                                                pci_name(dev), 'A' + pin, irq);
                                        dev->irq = irq;
                                }
@@ -1078,7 +1137,8 @@ static int __init fix_broken_hp_bios_irq9(const struct dmi_system_id *d)
 {
        if (!broken_hp_bios_irq9) {
                broken_hp_bios_irq9 = 1;
-               printk(KERN_INFO "%s detected - fixing broken IRQ routing\n", d->ident);
+               printk(KERN_INFO "%s detected - fixing broken IRQ routing\n",
+                       d->ident);
        }
        return 0;
 }
@@ -1091,7 +1151,8 @@ static int __init fix_acer_tm360_irqrouting(const struct dmi_system_id *d)
 {
        if (!acer_tm360_irqrouting) {
                acer_tm360_irqrouting = 1;
-               printk(KERN_INFO "%s detected - fixing broken IRQ routing\n", d->ident);
+               printk(KERN_INFO "%s detected - fixing broken IRQ routing\n",
+                       d->ident);
        }
        return 0;
 }
@@ -1103,7 +1164,8 @@ static struct dmi_system_id __initdata pciirq_dmi_table[] = {
                .matches = {
                        DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
                        DMI_MATCH(DMI_BIOS_VERSION, "GE.M1.03"),
-                       DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook Model GE"),
+                       DMI_MATCH(DMI_PRODUCT_VERSION,
+                               "HP Pavilion Notebook Model GE"),
                        DMI_MATCH(DMI_BOARD_VERSION, "OmniBook N32N-736"),
                },
        },
@@ -1138,11 +1200,14 @@ static int __init pcibios_irq_init(void)
                pirq_find_router(&pirq_router);
                if (pirq_table->exclusive_irqs) {
                        int i;
-                       for (i=0; i<16; i++)
+                       for (i = 0; i < 16; i++)
                                if (!(pirq_table->exclusive_irqs & (1 << i)))
                                        pirq_penalty[i] += 100;
                }
-               /* If we're using the I/O APIC, avoid using the PCI IRQ routing table */
+               /*
+                * If we're using the I/O APIC, avoid using the PCI IRQ
+                * routing table
+                */
                if (io_apic_assign_pci_irqs)
                        pirq_table = NULL;
        }
@@ -1189,33 +1254,40 @@ static int pirq_enable_irq(struct pci_dev *dev)
        if (pin && !pcibios_lookup_irq(dev, 1) && !dev->irq) {
                char *msg = "";
 
-               pin--;          /* interrupt pins are numbered starting from 1 */
+               pin--; /* interrupt pins are numbered starting from 1 */
 
                if (io_apic_assign_pci_irqs) {
                        int irq;
 
-                       irq = IO_APIC_get_PCI_irq_vector(dev->bus->number, PCI_SLOT(dev->devfn), pin);
+                       irq = IO_APIC_get_PCI_irq_vector(dev->bus->number,
+                               PCI_SLOT(dev->devfn), pin);
                        /*
-                        * Busses behind bridges are typically not listed in the MP-table.
-                        * In this case we have to look up the IRQ based on the parent bus,
-                        * parent slot, and pin number. The SMP code detects such bridged
-                        * busses itself so we should get into this branch reliably.
+                        * Busses behind bridges are typically not
+                        * listed in the MP-table.  In this case we have
+                        * to look up the IRQ based on the parent bus,
+                        * parent slot, and pin number. The SMP code
+                        * detects such bridged busses itself so we
+                        * should get into this branch reliably.
                         */
                        temp_dev = dev;
-                       while (irq < 0 && dev->bus->parent) { /* go back to the bridge */
-                               struct pci_dev * bridge = dev->bus->self;
+                       while (irq < 0 && dev->bus->parent) {
+                               /* go back to the bridge */
+                               struct pci_dev *bridge = dev->bus->self;
 
                                pin = (pin + PCI_SLOT(dev->devfn)) % 4;
-                               irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number, 
+                               irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
                                                PCI_SLOT(bridge->devfn), pin);
                                if (irq >= 0)
-                                       printk(KERN_WARNING "PCI: using PPB %s[%c] to get irq %d\n",
-                                               pci_name(bridge), 'A' + pin, irq);
+                                       printk(KERN_WARNING
+                                               "PCI: using PPB %s[%c] to get irq %d\n",
+                                               pci_name(bridge),
+                                               'A' + pin, irq);
                                dev = bridge;
                        }
                        dev = temp_dev;
                        if (irq >= 0) {
-                               printk(KERN_INFO "PCI->APIC IRQ transform: %s[%c] -> IRQ %d\n",
+                               printk(KERN_INFO
+                                       "PCI->APIC IRQ transform: %s[%c] -> IRQ %d\n",
                                        pci_name(dev), 'A' + pin, irq);
                                dev->irq = irq;
                                return 0;
@@ -1226,12 +1298,17 @@ static int pirq_enable_irq(struct pci_dev *dev)
                else
                        msg = " Please try using pci=biosirq.";
 
-               /* With IDE legacy devices the IRQ lookup failure is not a problem.. */
-               if (dev->class >> 8 == PCI_CLASS_STORAGE_IDE && !(dev->class & 0x5))
+               /*
+                * With IDE legacy devices the IRQ lookup failure is not
+                * a problem..
+                */
+               if (dev->class >> 8 == PCI_CLASS_STORAGE_IDE &&
+                               !(dev->class & 0x5))
                        return 0;
 
-               printk(KERN_WARNING "PCI: No IRQ known for interrupt pin %c of device %s.%s\n",
-                      'A' + pin, pci_name(dev), msg);
+               printk(KERN_WARNING
+                       "PCI: No IRQ known for interrupt pin %c of device %s.%s\n",
+                       'A' + pin, pci_name(dev), msg);
        }
        return 0;
 }