ARM: S5P: fix offset calculation on gpio-interrupt

Offsets of the irq controller registers were calculated
correctly only for first GPIO bank. This patch fixes
calculation of the register offsets for all GPIO banks.

Reported-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

diff --git a/arch/arm/plat-s5p/irq-gpioint.c b/arch/arm/plat-s5p/irq-gpioint.c
index f88216d..c65eb79 100644 (file)
--- a/arch/arm/plat-s5p/irq-gpioint.c
+++ b/arch/arm/plat-s5p/irq-gpioint.c
@@ -163,9 +163,9 @@ static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip)
        ct->chip.irq_mask = irq_gc_mask_set_bit;
        ct->chip.irq_unmask = irq_gc_mask_clr_bit;
        ct->chip.irq_set_type = s5p_gpioint_set_type,
-       ct->regs.ack = PEND_OFFSET + REG_OFFSET(chip->group);
-       ct->regs.mask = MASK_OFFSET + REG_OFFSET(chip->group);
-       ct->regs.type = CON_OFFSET + REG_OFFSET(chip->group);
+       ct->regs.ack = PEND_OFFSET + REG_OFFSET(group - bank->start);
+       ct->regs.mask = MASK_OFFSET + REG_OFFSET(group - bank->start);
+       ct->regs.type = CON_OFFSET + REG_OFFSET(group - bank->start);
        irq_setup_generic_chip(gc, IRQ_MSK(chip->chip.ngpio),
                               IRQ_GC_INIT_MASK_CACHE,
                               IRQ_NOREQUEST | IRQ_NOPROBE, 0);