Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[sfrench/cifs-2.6.git] / arch / mips / kernel / i8259.c

diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c
index 3a2d255361bcc364031652eb02261a57994bd0db..01c0885a8061569dffe59d31e7ec7aee97588773 100644 (file)
--- a/arch/mips/kernel/i8259.c
+++ b/arch/mips/kernel/i8259.c
@@ -30,8 +30,10 @@
 
 static int i8259A_auto_eoi = -1;
 DEFINE_SPINLOCK(i8259A_lock);
-/* some platforms call this... */
-void mask_and_ack_8259A(unsigned int);
+static void disable_8259A_irq(unsigned int irq);
+static void enable_8259A_irq(unsigned int irq);
+static void mask_and_ack_8259A(unsigned int irq);
+static void init_8259A(int auto_eoi);
 
 static struct irq_chip i8259A_chip = {
        .name           = "XT-PIC",
@@ -39,6 +41,9 @@ static struct irq_chip i8259A_chip = {
        .disable        = disable_8259A_irq,
        .unmask         = enable_8259A_irq,
        .mask_ack       = mask_and_ack_8259A,
+#ifdef CONFIG_MIPS_MT_SMTC_IRQAFF
+       .set_affinity   = plat_set_irq_affinity,
+#endif /* CONFIG_MIPS_MT_SMTC_IRQAFF */
 };
 
 /*
@@ -53,7 +58,7 @@ static unsigned int cached_irq_mask = 0xffff;
 #define cached_master_mask     (cached_irq_mask)
 #define cached_slave_mask      (cached_irq_mask >> 8)
 
-void disable_8259A_irq(unsigned int irq)
+static void disable_8259A_irq(unsigned int irq)
 {
        unsigned int mask;
        unsigned long flags;
@@ -69,7 +74,7 @@ void disable_8259A_irq(unsigned int irq)
        spin_unlock_irqrestore(&i8259A_lock, flags);
 }
 
-void enable_8259A_irq(unsigned int irq)
+static void enable_8259A_irq(unsigned int irq)
 {
        unsigned int mask;
        unsigned long flags;
@@ -122,14 +127,14 @@ static inline int i8259A_irq_real(unsigned int irq)
        int irqmask = 1 << irq;
 
        if (irq < 8) {
-               outb(0x0B,PIC_MASTER_CMD);      /* ISR register */
+               outb(0x0B, PIC_MASTER_CMD);     /* ISR register */
                value = inb(PIC_MASTER_CMD) & irqmask;
-               outb(0x0A,PIC_MASTER_CMD);      /* back to the IRR register */
+               outb(0x0A, PIC_MASTER_CMD);     /* back to the IRR register */
                return value;
        }
-       outb(0x0B,PIC_SLAVE_CMD);       /* ISR register */
+       outb(0x0B, PIC_SLAVE_CMD);      /* ISR register */
        value = inb(PIC_SLAVE_CMD) & (irqmask >> 8);
-       outb(0x0A,PIC_SLAVE_CMD);       /* back to the IRR register */
+       outb(0x0A, PIC_SLAVE_CMD);      /* back to the IRR register */
        return value;
 }
 
@@ -139,7 +144,7 @@ static inline int i8259A_irq_real(unsigned int irq)
  * first, _then_ send the EOI, and the order of EOI
  * to the two 8259s is important!
  */
-void mask_and_ack_8259A(unsigned int irq)
+static void mask_and_ack_8259A(unsigned int irq)
 {
        unsigned int irqmask;
        unsigned long flags;
@@ -170,12 +175,12 @@ handle_real_irq:
        if (irq & 8) {
                inb(PIC_SLAVE_IMR);     /* DUMMY - (do we need this?) */
                outb(cached_slave_mask, PIC_SLAVE_IMR);
-               outb(0x60+(irq&7),PIC_SLAVE_CMD);/* 'Specific EOI' to slave */
-               outb(0x60+PIC_CASCADE_IR,PIC_MASTER_CMD); /* 'Specific EOI' to master-IRQ2 */
+               outb(0x60+(irq&7), PIC_SLAVE_CMD);/* 'Specific EOI' to slave */
+               outb(0x60+PIC_CASCADE_IR, PIC_MASTER_CMD); /* 'Specific EOI' to master-IRQ2 */
        } else {
                inb(PIC_MASTER_IMR);    /* DUMMY - (do we need this?) */
                outb(cached_master_mask, PIC_MASTER_IMR);
-               outb(0x60+irq,PIC_MASTER_CMD);  /* 'Specific EOI to master */
+               outb(0x60+irq, PIC_MASTER_CMD); /* 'Specific EOI to master */
        }
        smtc_im_ack_irq(irq);
        spin_unlock_irqrestore(&i8259A_lock, flags);
@@ -233,7 +238,7 @@ static int i8259A_shutdown(struct sys_device *dev)
 }
 
 static struct sysdev_class i8259_sysdev_class = {
-       set_kset_name("i8259"),
+       .name = "i8259",
        .resume = i8259A_resume,
        .shutdown = i8259A_shutdown,
 };
@@ -253,7 +258,7 @@ static int __init i8259A_init_sysfs(void)
 
 device_initcall(i8259A_init_sysfs);
 
-void init_8259A(int auto_eoi)
+static void init_8259A(int auto_eoi)
 {
        unsigned long flags;
 
@@ -300,7 +305,8 @@ void init_8259A(int auto_eoi)
  * IRQ2 is cascade interrupt to second interrupt controller
  */
 static struct irqaction irq2 = {
-       no_action, 0, CPU_MASK_NONE, "cascade", NULL, NULL
+       .handler = no_action,
+       .name = "cascade",
 };
 
 static struct resource pic1_io_resource = {
@@ -322,7 +328,7 @@ static struct resource pic2_io_resource = {
  * driver compatibility reasons interrupts 0 - 15 to be the i8259
  * interrupts even if the hardware uses a different interrupt numbering.
  */
-void __init init_i8259_irqs (void)
+void __init init_i8259_irqs(void)
 {
        int i;
 
@@ -331,8 +337,10 @@ void __init init_i8259_irqs (void)
 
        init_8259A(0);
 
-       for (i = I8259A_IRQ_BASE; i < I8259A_IRQ_BASE + 16; i++)
+       for (i = I8259A_IRQ_BASE; i < I8259A_IRQ_BASE + 16; i++) {
                set_irq_chip_and_handler(i, &i8259A_chip, handle_level_irq);
+               set_irq_probe(i);
+       }
 
        setup_irq(I8259A_IRQ_BASE + PIC_CASCADE_IR, &irq2);
 }