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MIPS: PNX83xx: Convert to new irq_chip functions
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Signed-off-by: Thomas Gleixner <[email protected]>
To: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/2198/
Signed-off-by: Ralf Baechle <[email protected]>
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@KAGA-KOKO @ralfbaechle
KAGA-KOKO authored and ralfbaechle committed Mar 25, 2011
1 parent d7881fb commit 8fcc34e
Showing 1 changed file with 16 additions and 82 deletions.
98 changes: 16 additions & 82 deletions arch/mips/pnx833x/common/interrupts.c
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Original file line number Diff line number Diff line change
Expand Up @@ -152,10 +152,6 @@ static inline void pnx833x_hard_disable_pic_irq(unsigned int irq)
PNX833X_PIC_INT_REG(irq) = 0;
}

static int irqflags[PNX833X_PIC_NUM_IRQ]; /* initialized by zeroes */
#define IRQFLAG_STARTED 1
#define IRQFLAG_DISABLED 2

static DEFINE_RAW_SPINLOCK(pnx833x_irq_lock);

static unsigned int pnx833x_startup_pic_irq(unsigned int irq)
Expand All @@ -164,108 +160,54 @@ static unsigned int pnx833x_startup_pic_irq(unsigned int irq)
unsigned int pic_irq = irq - PNX833X_PIC_IRQ_BASE;

raw_spin_lock_irqsave(&pnx833x_irq_lock, flags);

irqflags[pic_irq] = IRQFLAG_STARTED; /* started, not disabled */
pnx833x_hard_enable_pic_irq(pic_irq);

raw_spin_unlock_irqrestore(&pnx833x_irq_lock, flags);
return 0;
}

static void pnx833x_shutdown_pic_irq(unsigned int irq)
{
unsigned long flags;
unsigned int pic_irq = irq - PNX833X_PIC_IRQ_BASE;

raw_spin_lock_irqsave(&pnx833x_irq_lock, flags);

irqflags[pic_irq] = 0; /* not started */
pnx833x_hard_disable_pic_irq(pic_irq);

raw_spin_unlock_irqrestore(&pnx833x_irq_lock, flags);
}

static void pnx833x_enable_pic_irq(unsigned int irq)
static void pnx833x_enable_pic_irq(struct irq_data *d)
{
unsigned long flags;
unsigned int pic_irq = irq - PNX833X_PIC_IRQ_BASE;
unsigned int pic_irq = d->irq - PNX833X_PIC_IRQ_BASE;

raw_spin_lock_irqsave(&pnx833x_irq_lock, flags);

irqflags[pic_irq] &= ~IRQFLAG_DISABLED;
if (irqflags[pic_irq] == IRQFLAG_STARTED)
pnx833x_hard_enable_pic_irq(pic_irq);

pnx833x_hard_enable_pic_irq(pic_irq);
raw_spin_unlock_irqrestore(&pnx833x_irq_lock, flags);
}

static void pnx833x_disable_pic_irq(unsigned int irq)
static void pnx833x_disable_pic_irq(struct irq_data *d)
{
unsigned long flags;
unsigned int pic_irq = irq - PNX833X_PIC_IRQ_BASE;
unsigned int pic_irq = d->irq - PNX833X_PIC_IRQ_BASE;

raw_spin_lock_irqsave(&pnx833x_irq_lock, flags);

irqflags[pic_irq] |= IRQFLAG_DISABLED;
pnx833x_hard_disable_pic_irq(pic_irq);

raw_spin_unlock_irqrestore(&pnx833x_irq_lock, flags);
}

static void pnx833x_ack_pic_irq(unsigned int irq)
{
}

static void pnx833x_end_pic_irq(unsigned int irq)
{
}

static DEFINE_RAW_SPINLOCK(pnx833x_gpio_pnx833x_irq_lock);

static unsigned int pnx833x_startup_gpio_irq(unsigned int irq)
{
int pin = irq - PNX833X_GPIO_IRQ_BASE;
unsigned long flags;
raw_spin_lock_irqsave(&pnx833x_gpio_pnx833x_irq_lock, flags);
pnx833x_gpio_enable_irq(pin);
raw_spin_unlock_irqrestore(&pnx833x_gpio_pnx833x_irq_lock, flags);
return 0;
}

static void pnx833x_enable_gpio_irq(unsigned int irq)
static void pnx833x_enable_gpio_irq(struct irq_data *d)
{
int pin = irq - PNX833X_GPIO_IRQ_BASE;
int pin = d->irq - PNX833X_GPIO_IRQ_BASE;
unsigned long flags;
raw_spin_lock_irqsave(&pnx833x_gpio_pnx833x_irq_lock, flags);
pnx833x_gpio_enable_irq(pin);
raw_spin_unlock_irqrestore(&pnx833x_gpio_pnx833x_irq_lock, flags);
}

static void pnx833x_disable_gpio_irq(unsigned int irq)
static void pnx833x_disable_gpio_irq(struct irq_data *d)
{
int pin = irq - PNX833X_GPIO_IRQ_BASE;
int pin = d->irq - PNX833X_GPIO_IRQ_BASE;
unsigned long flags;
raw_spin_lock_irqsave(&pnx833x_gpio_pnx833x_irq_lock, flags);
pnx833x_gpio_disable_irq(pin);
raw_spin_unlock_irqrestore(&pnx833x_gpio_pnx833x_irq_lock, flags);
}

static void pnx833x_ack_gpio_irq(unsigned int irq)
{
}

static void pnx833x_end_gpio_irq(unsigned int irq)
{
int pin = irq - PNX833X_GPIO_IRQ_BASE;
unsigned long flags;
raw_spin_lock_irqsave(&pnx833x_gpio_pnx833x_irq_lock, flags);
pnx833x_gpio_clear_irq(pin);
raw_spin_unlock_irqrestore(&pnx833x_gpio_pnx833x_irq_lock, flags);
}

static int pnx833x_set_type_gpio_irq(unsigned int irq, unsigned int flow_type)
static int pnx833x_set_type_gpio_irq(struct irq_data *d, unsigned int flow_type)
{
int pin = irq - PNX833X_GPIO_IRQ_BASE;
int pin = d->irq - PNX833X_GPIO_IRQ_BASE;
int gpio_mode;

switch (flow_type) {
Expand Down Expand Up @@ -296,23 +238,15 @@ static int pnx833x_set_type_gpio_irq(unsigned int irq, unsigned int flow_type)

static struct irq_chip pnx833x_pic_irq_type = {
.name = "PNX-PIC",
.startup = pnx833x_startup_pic_irq,
.shutdown = pnx833x_shutdown_pic_irq,
.enable = pnx833x_enable_pic_irq,
.disable = pnx833x_disable_pic_irq,
.ack = pnx833x_ack_pic_irq,
.end = pnx833x_end_pic_irq
.irq_enable = pnx833x_enable_pic_irq,
.irq_disable = pnx833x_disable_pic_irq,
};

static struct irq_chip pnx833x_gpio_irq_type = {
.name = "PNX-GPIO",
.startup = pnx833x_startup_gpio_irq,
.shutdown = pnx833x_disable_gpio_irq,
.enable = pnx833x_enable_gpio_irq,
.disable = pnx833x_disable_gpio_irq,
.ack = pnx833x_ack_gpio_irq,
.end = pnx833x_end_gpio_irq,
.set_type = pnx833x_set_type_gpio_irq
.irq_enable = pnx833x_enable_gpio_irq,
.irq_disable = pnx833x_disable_gpio_irq,
.irq_set_type = pnx833x_set_type_gpio_irq,
};

void __init arch_init_irq(void)
Expand Down

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