linux-kernel - [PATCH 3.19 061/177] ARM: S3C64XX: Use fixed IRQ bases to avoid conflicts on Cragganmore

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Message-Id: <20150502190122.285263288@linuxfoundation.org>
Date:	Sat,  2 May 2015 21:01:23 +0200
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>,
	Kukjin Kim <kgene@...nel.org>
Subject: [PATCH 3.19 061/177] ARM: S3C64XX: Use fixed IRQ bases to avoid conflicts on Cragganmore

3.19-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>

commit 4e330ae4ab2915444f1e6dca1358a910aa259362 upstream.

There are two PMICs on Cragganmore, currently one dynamically assign
its IRQ base and the other uses a fixed base. It is possible for the
statically assigned PMIC to fail if its IRQ is taken by the dynamically
assigned one. Fix this by statically assigning both the IRQ bases.

Signed-off-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
Signed-off-by: Kukjin Kim <kgene@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm/mach-s3c64xx/crag6410.h      |    1 +
 arch/arm/mach-s3c64xx/mach-crag6410.c |    1 +
 2 files changed, 2 insertions(+)

--- a/arch/arm/mach-s3c64xx/crag6410.h
+++ b/arch/arm/mach-s3c64xx/crag6410.h
@@ -14,6 +14,7 @@
 #include <mach/gpio-samsung.h>
 
 #define GLENFARCLAS_PMIC_IRQ_BASE	IRQ_BOARD_START
+#define BANFF_PMIC_IRQ_BASE		(IRQ_BOARD_START + 64)
 
 #define PCA935X_GPIO_BASE		GPIO_BOARD_START
 #define CODEC_GPIO_BASE			(GPIO_BOARD_START + 8)
--- a/arch/arm/mach-s3c64xx/mach-crag6410.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410.c
@@ -554,6 +554,7 @@ static struct wm831x_touch_pdata touch_p
 
 static struct wm831x_pdata crag_pmic_pdata = {
 	.wm831x_num = 1,
+	.irq_base = BANFF_PMIC_IRQ_BASE,
 	.gpio_base = BANFF_PMIC_GPIO_BASE,
 	.soft_shutdown = true,
 


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