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pinctrl: cherryview: Split out irq hw-init into a separate helper function 

Split out irq hw-init into a separate chv_gpio_irq_init_hw() function.
This is a preparation patch for passing the irqchip when adding the
gpiochip.

Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Hans de Goede 2019-11-14 11:08:02 +01:00 committed by Andy Shevchenko
parent ca8a958e2a
commit 82d9beb4b7
1 changed files with 27 additions and 18 deletions
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45
drivers/pinctrl/intel/pinctrl-cherryview.c
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@ -1555,6 +1555,32 @@ static void chv_init_irq_valid_mask(struct gpio_chip *chip,
}
}
static int chv_gpio_irq_init_hw(struct gpio_chip *chip)
{
struct chv_pinctrl *pctrl = gpiochip_get_data(chip);
/*
* The same set of machines in chv_no_valid_mask[] have incorrectly
* configured GPIOs that generate spurious interrupts so we use
* this same list to apply another quirk for them.
*
* See also https://bugzilla.kernel.org/show_bug.cgi?id=197953.
*/
if (!pctrl->chip.irq.init_valid_mask) {
/*
* Mask all interrupts the community is able to generate
* but leave the ones that can only generate GPEs unmasked.
*/
chv_writel(GENMASK(31, pctrl->community->nirqs),
pctrl->regs + CHV_INTMASK);
}
/* Clear all interrupts */
chv_writel(0xffff, pctrl->regs + CHV_INTSTAT);
return 0;
}
static int chv_gpio_probe(struct chv_pinctrl *pctrl, int irq)
{
const struct chv_gpio_pinrange *range;
@ -1589,24 +1615,7 @@ static int chv_gpio_probe(struct chv_pinctrl *pctrl, int irq)
}
}
/*
* The same set of machines in chv_no_valid_mask[] have incorrectly
* configured GPIOs that generate spurious interrupts so we use
* this same list to apply another quirk for them.
*
* See also https://bugzilla.kernel.org/show_bug.cgi?id=197953.
*/
if (!need_valid_mask) {
/*
* Mask all interrupts the community is able to generate
* but leave the ones that can only generate GPEs unmasked.
*/
chv_writel(GENMASK(31, pctrl->community->nirqs),
pctrl->regs + CHV_INTMASK);
}
/* Clear all interrupts */
chv_writel(0xffff, pctrl->regs + CHV_INTSTAT);
chv_gpio_irq_init_hw(chip);
if (!need_valid_mask) {
irq_base = devm_irq_alloc_descs(pctrl->dev, -1, 0,