mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-22 23:12:32 +00:00
72 lines
2.2 KiB
Diff
72 lines
2.2 KiB
Diff
From b27b8f1bd7d46f1affc9a2bc4142e248411c1afa Mon Sep 17 00:00:00 2001
|
|
From: John Crispin <blogic@openwrt.org>
|
|
Date: Mon, 22 Oct 2012 17:42:48 +0200
|
|
Subject: [PATCH 100/113] MIPS: lantiq: external interrupt units not loaded
|
|
properly
|
|
|
|
The code references the wrong device node causing the number of EIU pins to
|
|
be wrong.
|
|
|
|
Signed-off-by: John Crispin <blogic@openwrt.org>
|
|
---
|
|
arch/mips/lantiq/irq.c | 2 +-
|
|
drivers/pinctrl/pinctrl-xway.c | 15 +++++++++++++++
|
|
2 files changed, 16 insertions(+), 1 deletion(-)
|
|
|
|
diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c
|
|
index f36acd1..8e55622 100644
|
|
--- a/arch/mips/lantiq/irq.c
|
|
+++ b/arch/mips/lantiq/irq.c
|
|
@@ -343,7 +343,7 @@ int __init icu_of_init(struct device_node *node, struct device_node *parent)
|
|
eiu_node = of_find_compatible_node(NULL, NULL, "lantiq,eiu");
|
|
if (eiu_node && !of_address_to_resource(eiu_node, 0, &res)) {
|
|
/* find out how many external irq sources we have */
|
|
- const __be32 *count = of_get_property(node,
|
|
+ const __be32 *count = of_get_property(eiu_node,
|
|
"lantiq,count", NULL);
|
|
|
|
if (count)
|
|
diff --git a/drivers/pinctrl/pinctrl-xway.c b/drivers/pinctrl/pinctrl-xway.c
|
|
index b9bcaec..ea5e017 100644
|
|
--- a/drivers/pinctrl/pinctrl-xway.c
|
|
+++ b/drivers/pinctrl/pinctrl-xway.c
|
|
@@ -14,6 +14,7 @@
|
|
#include <linux/of_platform.h>
|
|
#include <linux/of_address.h>
|
|
#include <linux/of_gpio.h>
|
|
+#include <linux/of_irq.h>
|
|
#include <linux/ioport.h>
|
|
#include <linux/io.h>
|
|
#include <linux/device.h>
|
|
@@ -618,6 +619,19 @@ static void xway_gpio_free(struct gpio_chip *chip, unsigned offset)
|
|
pinctrl_free_gpio(gpio);
|
|
}
|
|
|
|
+static int xway_gpio_to_irq(struct gpio_chip *chip, unsigned int offset)
|
|
+{
|
|
+ struct ltq_pinmux_info *info = dev_get_drvdata(chip->dev);
|
|
+ struct resource res;
|
|
+ int i;
|
|
+
|
|
+ for (i = 0; i < info->num_exin; i++)
|
|
+ if (offset == info->exin[i])
|
|
+ if (of_irq_to_resource(chip->dev->of_node, i, &res))
|
|
+ return res.start;
|
|
+ return 0;
|
|
+}
|
|
+
|
|
static struct gpio_chip xway_chip = {
|
|
.label = "gpio-xway",
|
|
.direction_input = xway_gpio_dir_in,
|
|
@@ -626,6 +640,7 @@ static struct gpio_chip xway_chip = {
|
|
.set = xway_gpio_set,
|
|
.request = xway_gpio_req,
|
|
.free = xway_gpio_free,
|
|
+ .to_irq = xway_gpio_to_irq,
|
|
.base = -1,
|
|
};
|
|
|
|
--
|
|
1.7.10.4
|
|
|