With level triggered interrupt mask / unmask will get called for each interrupt, doing the somewhat expensive mux setting on each unmask thus is not a good idea. Instead move it to the set_type callback, which is typically done only once for each irq.
Signed-off-by: Hans de Goede <[email protected]> --- drivers/pinctrl/sunxi/pinctrl-sunxi.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c index ec60c2e..d1675c9 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c @@ -542,6 +542,7 @@ static int sunxi_pinctrl_irq_set_type(struct irq_data *d, struct sunxi_pinctrl *pctl = irq_data_get_irq_chip_data(d); u32 reg = sunxi_irq_cfg_reg(d->hwirq); u8 index = sunxi_irq_cfg_offset(d->hwirq); + struct sunxi_desc_function *func; unsigned long flags; u32 regval; u8 mode; @@ -574,6 +575,12 @@ static int sunxi_pinctrl_irq_set_type(struct irq_data *d, spin_unlock_irqrestore(&pctl->lock, flags); + func = sunxi_pinctrl_desc_find_function_by_pin(pctl, + pctl->irq_array[d->hwirq], "irq"); + + /* Change muxing to INT mode */ + sunxi_pmx_set(pctl->pctl_dev, pctl->irq_array[d->hwirq], func->muxval); + return 0; } @@ -619,19 +626,11 @@ static void sunxi_pinctrl_irq_mask(struct irq_data *d) static void sunxi_pinctrl_irq_unmask(struct irq_data *d) { struct sunxi_pinctrl *pctl = irq_data_get_irq_chip_data(d); - struct sunxi_desc_function *func; u32 reg = sunxi_irq_ctrl_reg(d->hwirq); u8 idx = sunxi_irq_ctrl_offset(d->hwirq); unsigned long flags; u32 val; - func = sunxi_pinctrl_desc_find_function_by_pin(pctl, - pctl->irq_array[d->hwirq], - "irq"); - - /* Change muxing to INT mode */ - sunxi_pmx_set(pctl->pctl_dev, pctl->irq_array[d->hwirq], func->muxval); - spin_lock_irqsave(&pctl->lock, flags); /* Unmask the IRQ */ -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
