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ARM: riscpc: use irq chip data in ecard.c

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Use irq chip data to store the expansion card data pointer, rather
than converting from the interrupt number to a slot number.  This
allows the interrupt chip methods to avoid knowing about interrupt
numbering.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2012-03-01 17:54:11 +00:00
parent 6e747b4b83
commit c402c11072
1 changed files with 3 additions and 2 deletions
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5
arch/arm/mach-rpc/ecard.c
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@ -445,7 +445,7 @@ static expansioncard_ops_t ecard_default_ops = {
*/
static void ecard_irq_unmask(struct irq_data *d)
{
ecard_t *ec = slot_to_ecard(d->irq - 32);
ecard_t *ec = irq_data_get_irq_chip_data(d);
if (ec) {
if (!ec->ops)
@ -461,7 +461,7 @@ static void ecard_irq_unmask(struct irq_data *d)
static void ecard_irq_mask(struct irq_data *d)
{
ecard_t *ec = slot_to_ecard(d->irq - 32);
ecard_t *ec = irq_data_get_irq_chip_data(d);
if (ec) {
if (!ec->ops)
@ -1039,6 +1039,7 @@ ecard_probe(int slot, card_type_t type)
ec->irq = 32 + slot;
irq_set_chip_and_handler(ec->irq, &ecard_chip,
handle_level_irq);
irq_set_chip_data(ec->irq, ec);
set_irq_flags(ec->irq, IRQF_VALID);
}