[v3,1/3] pinctrl: cherryview: Split out irq hw-init into a separate helper function
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Message ID 20191113190520.305410-1-hdegoede@redhat.com
State New
Headers show
Series
  • [v3,1/3] pinctrl: cherryview: Split out irq hw-init into a separate helper function
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Commit Message

Hans de Goede Nov. 13, 2019, 7:05 p.m. UTC
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>
---
Changes in v2:
- Add kerneldoc for chv_pinctrl.need_valid_mask struct member

Changes in v3:
- Check for pctrl->chip.irq.init_valid_mask instead of storing the result
  of the dmi check in a new need_valid_mask pctrl struct member
---
 drivers/pinctrl/intel/pinctrl-cherryview.c | 45 +++++++++++++---------
 1 file changed, 27 insertions(+), 18 deletions(-)

Patch
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diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c
index dff2a81250b6..3c6c6d69d92d 100644
--- a/drivers/pinctrl/intel/pinctrl-cherryview.c
+++ b/drivers/pinctrl/intel/pinctrl-cherryview.c
@@ -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,