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powerpc: platforms/iseries irq_data conversion. 

Signed-off-by: Lennert Buytenhek <buytenh@secretlab.ca>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Lennert Buytenhek 2011-03-07 13:59:36 +00:00 committed by Benjamin Herrenschmidt
parent 0bf8878e33
commit 8f312ecf44
1 changed files with 24 additions and 19 deletions
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43
arch/powerpc/platforms/iseries/irq.c
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@ -167,11 +167,11 @@ static void pci_event_handler(struct HvLpEvent *event)
* This will be called by device drivers (via enable_IRQ)
* to enable INTA in the bridge interrupt status register.
*/
static void iseries_enable_IRQ(unsigned int irq)
static void iseries_enable_IRQ(struct irq_data *d)
{
u32 bus, dev_id, function, mask;
const u32 sub_bus = 0;
unsigned int rirq = (unsigned int)irq_map[irq].hwirq;
unsigned int rirq = (unsigned int)irq_map[d->irq].hwirq;
/* The IRQ has already been locked by the caller */
bus = REAL_IRQ_TO_BUS(rirq);
@ -184,23 +184,23 @@ static void iseries_enable_IRQ(unsigned int irq)
}
/* This is called by iseries_activate_IRQs */
static unsigned int iseries_startup_IRQ(unsigned int irq)
static unsigned int iseries_startup_IRQ(struct irq_data *d)
{
u32 bus, dev_id, function, mask;
const u32 sub_bus = 0;
unsigned int rirq = (unsigned int)irq_map[irq].hwirq;
unsigned int rirq = (unsigned int)irq_map[d->irq].hwirq;
bus = REAL_IRQ_TO_BUS(rirq);
function = REAL_IRQ_TO_FUNC(rirq);
dev_id = (REAL_IRQ_TO_IDSEL(rirq) << 4) + function;
/* Link the IRQ number to the bridge */
HvCallXm_connectBusUnit(bus, sub_bus, dev_id, irq);
HvCallXm_connectBusUnit(bus, sub_bus, dev_id, d->irq);
/* Unmask bridge interrupts in the FISR */
mask = 0x01010000 << function;
HvCallPci_unmaskFisr(bus, sub_bus, dev_id, mask);
iseries_enable_IRQ(irq);
iseries_enable_IRQ(d);
return 0;
}
@ -215,21 +215,26 @@ void __init iSeries_activate_IRQs()
for_each_irq (irq) {
struct irq_desc *desc = irq_to_desc(irq);
struct irq_chip *chip;
if (desc && desc->chip && desc->chip->startup) {
if (!desc)
continue;
chip = get_irq_desc_chip(desc);
if (chip && chip->irq_startup) {
raw_spin_lock_irqsave(&desc->lock, flags);
desc->chip->startup(irq);
chip->irq_startup(&desc->irq_data);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}
}
}
/* this is not called anywhere currently */
static void iseries_shutdown_IRQ(unsigned int irq)
static void iseries_shutdown_IRQ(struct irq_data *d)
{
u32 bus, dev_id, function, mask;
const u32 sub_bus = 0;
unsigned int rirq = (unsigned int)irq_map[irq].hwirq;
unsigned int rirq = (unsigned int)irq_map[d->irq].hwirq;
/* irq should be locked by the caller */
bus = REAL_IRQ_TO_BUS(rirq);
@ -248,11 +253,11 @@ static void iseries_shutdown_IRQ(unsigned int irq)
* This will be called by device drivers (via disable_IRQ)
* to disable INTA in the bridge interrupt status register.
*/
static void iseries_disable_IRQ(unsigned int irq)
static void iseries_disable_IRQ(struct irq_data *d)
{
u32 bus, dev_id, function, mask;
const u32 sub_bus = 0;
unsigned int rirq = (unsigned int)irq_map[irq].hwirq;
unsigned int rirq = (unsigned int)irq_map[d->irq].hwirq;
/* The IRQ has already been locked by the caller */
bus = REAL_IRQ_TO_BUS(rirq);
@ -264,9 +269,9 @@ static void iseries_disable_IRQ(unsigned int irq)
HvCallPci_maskInterrupts(bus, sub_bus, dev_id, mask);
}
static void iseries_end_IRQ(unsigned int irq)
static void iseries_end_IRQ(struct irq_data *d)
{
unsigned int rirq = (unsigned int)irq_map[irq].hwirq;
unsigned int rirq = (unsigned int)irq_map[d->irq].hwirq;
HvCallPci_eoi(REAL_IRQ_TO_BUS(rirq), REAL_IRQ_TO_SUBBUS(rirq),
(REAL_IRQ_TO_IDSEL(rirq) << 4) + REAL_IRQ_TO_FUNC(rirq));
@ -274,11 +279,11 @@ static void iseries_end_IRQ(unsigned int irq)
static struct irq_chip iseries_pic = {
.name = "iSeries",
.startup = iseries_startup_IRQ,
.shutdown = iseries_shutdown_IRQ,
.unmask = iseries_enable_IRQ,
.mask = iseries_disable_IRQ,
.eoi = iseries_end_IRQ
.irq_startup = iseries_startup_IRQ,
.irq_shutdown = iseries_shutdown_IRQ,
.irq_unmask = iseries_enable_IRQ,
.irq_mask = iseries_disable_IRQ,
.irq_eoi = iseries_end_IRQ
};
/*