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72 lines
2.2 KiB
Diff
72 lines
2.2 KiB
Diff
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From b27b8f1bd7d46f1affc9a2bc4142e248411c1afa Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Mon, 22 Oct 2012 17:42:48 +0200
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Subject: [PATCH 100/113] MIPS: lantiq: external interrupt units not loaded
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properly
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The code references the wrong device node causing the number of EIU pins to
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be wrong.
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Signed-off-by: John Crispin <blogic@openwrt.org>
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---
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arch/mips/lantiq/irq.c | 2 +-
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drivers/pinctrl/pinctrl-xway.c | 15 +++++++++++++++
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2 files changed, 16 insertions(+), 1 deletion(-)
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diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c
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index f36acd1..8e55622 100644
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--- a/arch/mips/lantiq/irq.c
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+++ b/arch/mips/lantiq/irq.c
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@@ -343,7 +343,7 @@ int __init icu_of_init(struct device_node *node, struct device_node *parent)
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eiu_node = of_find_compatible_node(NULL, NULL, "lantiq,eiu");
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if (eiu_node && !of_address_to_resource(eiu_node, 0, &res)) {
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/* find out how many external irq sources we have */
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- const __be32 *count = of_get_property(node,
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+ const __be32 *count = of_get_property(eiu_node,
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"lantiq,count", NULL);
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if (count)
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diff --git a/drivers/pinctrl/pinctrl-xway.c b/drivers/pinctrl/pinctrl-xway.c
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index b9bcaec..ea5e017 100644
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--- a/drivers/pinctrl/pinctrl-xway.c
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+++ b/drivers/pinctrl/pinctrl-xway.c
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@@ -14,6 +14,7 @@
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#include <linux/of_platform.h>
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#include <linux/of_address.h>
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#include <linux/of_gpio.h>
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+#include <linux/of_irq.h>
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#include <linux/ioport.h>
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#include <linux/io.h>
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#include <linux/device.h>
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@@ -618,6 +619,19 @@ static void xway_gpio_free(struct gpio_chip *chip, unsigned offset)
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pinctrl_free_gpio(gpio);
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}
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+static int xway_gpio_to_irq(struct gpio_chip *chip, unsigned int offset)
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+{
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+ struct ltq_pinmux_info *info = dev_get_drvdata(chip->dev);
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+ struct resource res;
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+ int i;
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+
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+ for (i = 0; i < info->num_exin; i++)
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+ if (offset == info->exin[i])
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+ if (of_irq_to_resource(chip->dev->of_node, i, &res))
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+ return res.start;
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+ return 0;
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+}
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+
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static struct gpio_chip xway_chip = {
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.label = "gpio-xway",
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.direction_input = xway_gpio_dir_in,
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@@ -626,6 +640,7 @@ static struct gpio_chip xway_chip = {
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.set = xway_gpio_set,
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.request = xway_gpio_req,
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.free = xway_gpio_free,
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+ .to_irq = xway_gpio_to_irq,
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.base = -1,
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};
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--
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1.7.10.4
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