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pinctrl: renesas: rzg2l: Avoid configuring ISEL in gpio_irq_{en,dis}able*(

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Currently on irq_disable(), we are disabling gpio interrupt enable(ISEL).
That means the pin is just gpio input and not gpio input interrupt any
more.  So, move configuring ISEL in rzg2l_gpio_child_to_parent_hwirq()/
rzg2l_gpio_irq_domain_free() so that the pin will be gpioint always even
during irq_disable().

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240206135318.165426-1-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
This commit is contained in:
Biju Das 2024-02-06 13:53:18 +00:00 committed by Geert Uytterhoeven
parent d3c4929933
commit 1d2da79708
1 changed files with 2 additions and 4 deletions
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6
drivers/pinctrl/renesas/pinctrl-rzg2l.c
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@ -1836,22 +1836,18 @@ static void rzg2l_gpio_irq_endisable(struct rzg2l_pinctrl *pctrl,
static void rzg2l_gpio_irq_disable(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct rzg2l_pinctrl *pctrl = container_of(gc, struct rzg2l_pinctrl, gpio_chip);
unsigned int hwirq = irqd_to_hwirq(d);
irq_chip_disable_parent(d);
rzg2l_gpio_irq_endisable(pctrl, hwirq, false);
gpiochip_disable_irq(gc, hwirq);
}
static void rzg2l_gpio_irq_enable(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct rzg2l_pinctrl *pctrl = container_of(gc, struct rzg2l_pinctrl, gpio_chip);
unsigned int hwirq = irqd_to_hwirq(d);
gpiochip_enable_irq(gc, hwirq);
rzg2l_gpio_irq_endisable(pctrl, hwirq, true);
irq_chip_enable_parent(d);
}
@ -1933,6 +1929,7 @@ static int rzg2l_gpio_child_to_parent_hwirq(struct gpio_chip *gc,
goto err;
}
rzg2l_gpio_irq_endisable(pctrl, child, true);
pctrl->hwirq[irq] = child;
irq += RZG2L_TINT_IRQ_START_INDEX;
@ -1976,6 +1973,7 @@ static void rzg2l_gpio_irq_domain_free(struct irq_domain *domain, unsigned int v
for (i = 0; i < RZG2L_TINT_MAX_INTERRUPT; i++) {
if (pctrl->hwirq[i] == hwirq) {
rzg2l_gpio_irq_endisable(pctrl, hwirq, false);
rzg2l_gpio_free(gc, hwirq);
spin_lock_irqsave(&pctrl->bitmap_lock, flags);
bitmap_release_region(pctrl->tint_slot, i, get_order(1));