linux-kernel - [PATCH v5 7/7] gpio: ep93xx: refactor base IRQ number

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Message-Id: <20210208085954.30050-8-nikita.shubin@maquefel.me>
Date:   Mon,  8 Feb 2021 11:59:54 +0300
From:   Nikita Shubin <nikita.shubin@...uefel.me>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Andy Shevchenko <andy.shevchenko@...il.com>,
        Nikita Shubin <nikita.shubin@...uefel.me>,
        Linus Walleij <linus.walleij@...aro.org>,
        Alexander Sverdlin <alexander.sverdlin@...il.com>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v5 7/7] gpio: ep93xx: refactor base IRQ number

- use predefined constants instead of plain numbers
- use provided bank IRQ number instead of defined constant
  for port F

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@...il.com>
Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
---
 drivers/gpio/gpio-ep93xx.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/gpio/gpio-ep93xx.c b/drivers/gpio/gpio-ep93xx.c
index e75f7a9e40a0..9cc2c2b4309f 100644
--- a/drivers/gpio/gpio-ep93xx.c
+++ b/drivers/gpio/gpio-ep93xx.c
@@ -31,6 +31,8 @@
 /* Maximum value for irq capable line identifiers */
 #define EP93XX_GPIO_LINE_MAX_IRQ 23
 
+#define EP93XX_GPIO_A_IRQ_BASE 64
+#define EP93XX_GPIO_B_IRQ_BASE 72
 /*
  * Static mapping of GPIO bank F IRQS:
  * F0..F7 (16..24) to irq 80..87.
@@ -301,14 +303,14 @@ struct ep93xx_gpio_bank {
 
 static struct ep93xx_gpio_bank ep93xx_gpio_banks[] = {
 	/* Bank A has 8 IRQs */
-	EP93XX_GPIO_BANK("A", 0x00, 0x10, 0x90, 0, true, false, 64),
+	EP93XX_GPIO_BANK("A", 0x00, 0x10, 0x90, 0, true, false, EP93XX_GPIO_A_IRQ_BASE),
 	/* Bank B has 8 IRQs */
-	EP93XX_GPIO_BANK("B", 0x04, 0x14, 0xac, 8, true, false, 72),
+	EP93XX_GPIO_BANK("B", 0x04, 0x14, 0xac, 8, true, false, EP93XX_GPIO_B_IRQ_BASE),
 	EP93XX_GPIO_BANK("C", 0x08, 0x18, 0x00, 40, false, false, 0),
 	EP93XX_GPIO_BANK("D", 0x0c, 0x1c, 0x00, 24, false, false, 0),
 	EP93XX_GPIO_BANK("E", 0x20, 0x24, 0x00, 32, false, false, 0),
 	/* Bank F has 8 IRQs */
-	EP93XX_GPIO_BANK("F", 0x30, 0x34, 0x4c, 16, false, true, 0),
+	EP93XX_GPIO_BANK("F", 0x30, 0x34, 0x4c, 16, false, true, EP93XX_GPIO_F_IRQ_BASE),
 	EP93XX_GPIO_BANK("G", 0x38, 0x3c, 0x00, 48, false, false, 0),
 	EP93XX_GPIO_BANK("H", 0x40, 0x44, 0x00, 56, false, false, 0),
 };
@@ -407,7 +409,7 @@ static int ep93xx_gpio_add_bank(struct ep93xx_gpio_chip *egc,
 		/* Pick resources 1..8 for these IRQs */
 		for (i = 0; i < girq->num_parents; i++) {
 			girq->parents[i] = platform_get_irq(pdev, i + 1);
-			gpio_irq = EP93XX_GPIO_F_IRQ_BASE + i;
+			gpio_irq = bank->irq_base + i;
 			irq_set_chip_data(gpio_irq, &epg->gc[5]);
 			irq_set_chip_and_handler(gpio_irq,
 						 &ep93xx_gpio_irq_chip,
@@ -416,7 +418,7 @@ static int ep93xx_gpio_add_bank(struct ep93xx_gpio_chip *egc,
 		}
 		girq->default_type = IRQ_TYPE_NONE;
 		girq->handler = handle_level_irq;
-		girq->first = EP93XX_GPIO_F_IRQ_BASE;
+		girq->first = bank->irq_base;
 	}
 
 	return devm_gpiochip_add_data(dev, gc, epg);
-- 
2.26.2