A bit in EINTxx_PEND register is set regardless of interrupt mask, which causes spurious interrupts. To avoid them, the read value of pending register must be masked with current interrupt mask manually. Signed-off-by: Tomasz Figa <t.figa@xxxxxxxxxxx> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> --- drivers/pinctrl/pinctrl-exynos.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/pinctrl-exynos.c b/drivers/pinctrl/pinctrl-exynos.c index 46cd637..5648971 100644 --- a/drivers/pinctrl/pinctrl-exynos.c +++ b/drivers/pinctrl/pinctrl-exynos.c @@ -395,12 +395,15 @@ static void exynos_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc) struct exynos_weint_data *eintd = irq_get_handler_data(irq); struct samsung_pinctrl_drv_data *d = eintd->domain->host_data; unsigned long pend; + unsigned long mask; chained_irq_enter(chip, desc); pend = readl(d->virt_base + d->ctrl->weint_pend + 0x8); - exynos_irq_demux_eint(16, pend, eintd->domain); + mask = readl(d->virt_base + d->ctrl->weint_mask + 0x8); + exynos_irq_demux_eint(16, pend & ~mask, eintd->domain); pend = readl(d->virt_base + d->ctrl->weint_pend + 0xC); - exynos_irq_demux_eint(24, pend, eintd->domain); + mask = readl(d->virt_base + d->ctrl->weint_mask + 0xC); + exynos_irq_demux_eint(24, pend & ~mask, eintd->domain); chained_irq_exit(chip, desc); } -- 1.7.12 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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