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Message-Id: <20080718074044.32713.83039.sendpatchset@rx1.opensource.se>
Date: Fri, 18 Jul 2008 16:40:44 +0900
From: Magnus Damm <magnus.damm@...il.com>
To: linux-kernel@...r.kernel.org
Cc: linux-sh@...r.kernel.org, gregkh@...e.de, lethal@...ux-sh.org,
i2c@...sensors.org, Magnus Damm <magnus.damm@...il.com>,
akpm@...ux-foundation.org
Subject: [PATCH 05/05] sh: add IORESOURCE_CLK to SuperH Mobile I2C platform data
From: Magnus Damm <damm@...l.co.jp>
This patch passes processor specific IORESOURCE_CLK information to the
i2c-sh_mobile driver. With this change the clock to the IIC block will
be disabled while the I2C bus is inactive. Without this patch the clock
is always on.
Signed-off-by: Magnus Damm <damm@...l.co.jp>
---
Applies to 6b4b0121a22649640e997b17dd00bb40e97e254d of sh-2.6 git
arch/sh/kernel/cpu/sh4a/setup-sh7343.c | 14 ++++++++++----
arch/sh/kernel/cpu/sh4a/setup-sh7366.c | 7 +++++--
arch/sh/kernel/cpu/sh4a/setup-sh7722.c | 7 +++++--
arch/sh/kernel/cpu/sh4a/setup-sh7723.c | 7 +++++--
4 files changed, 25 insertions(+), 10 deletions(-)
--- 0001/arch/sh/kernel/cpu/sh4a/setup-sh7343.c
+++ work/arch/sh/kernel/cpu/sh4a/setup-sh7343.c 2008-07-18 14:37:33.000000000 +0900
@@ -25,7 +25,11 @@ static struct resource iic0_resources[]
.start = 96,
.end = 99,
.flags = IORESOURCE_IRQ,
- },
+ },
+ [2] = {
+ .name = "mstp109",
+ .flags = IORESOURCE_CLK,
+ },
};
static struct platform_device iic0_device = {
@@ -45,7 +49,11 @@ static struct resource iic1_resources[]
.start = 44,
.end = 47,
.flags = IORESOURCE_IRQ,
- },
+ },
+ [2] = {
+ .name = "mstp108",
+ .flags = IORESOURCE_CLK,
+ },
};
static struct platform_device iic1_device = {
@@ -147,8 +155,6 @@ static int __init sh7343_devices_setup(v
clk_always_enable("mstp023"); /* INTC3 */
clk_always_enable("mstp022"); /* INTC */
clk_always_enable("mstp020"); /* SuperHyway */
- clk_always_enable("mstp109"); /* I2C0 */
- clk_always_enable("mstp108"); /* I2C1 */
clk_always_enable("mstp202"); /* VEU */
clk_always_enable("mstp201"); /* VPU */
--- 0001/arch/sh/kernel/cpu/sh4a/setup-sh7366.c
+++ work/arch/sh/kernel/cpu/sh4a/setup-sh7366.c 2008-07-18 14:37:06.000000000 +0900
@@ -27,7 +27,11 @@ static struct resource iic_resources[] =
.start = 96,
.end = 99,
.flags = IORESOURCE_IRQ,
- },
+ },
+ [2] = {
+ .name = "mstp109",
+ .flags = IORESOURCE_CLK,
+ },
};
static struct platform_device iic_device = {
@@ -157,7 +161,6 @@ static int __init sh7366_devices_setup(v
clk_always_enable("mstp023"); /* INTC3 */
clk_always_enable("mstp022"); /* INTC */
clk_always_enable("mstp020"); /* SuperHyway */
- clk_always_enable("mstp109"); /* I2C */
clk_always_enable("mstp207"); /* VEU-2 */
clk_always_enable("mstp202"); /* VEU-1 */
clk_always_enable("mstp201"); /* VPU */
--- 0001/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ work/arch/sh/kernel/cpu/sh4a/setup-sh7722.c 2008-07-18 14:35:43.000000000 +0900
@@ -52,7 +52,11 @@ static struct resource iic_resources[] =
.start = 96,
.end = 99,
.flags = IORESOURCE_IRQ,
- },
+ },
+ [2] = {
+ .name = "mstp109",
+ .flags = IORESOURCE_CLK,
+ },
};
static struct platform_device iic_device = {
@@ -166,7 +170,6 @@ static int __init sh7722_devices_setup(v
clk_always_enable("mstp026"); /* XYMEM */
clk_always_enable("mstp022"); /* INTC */
clk_always_enable("mstp020"); /* SuperHyway */
- clk_always_enable("mstp109"); /* I2C */
clk_always_enable("mstp211"); /* USB */
clk_always_enable("mstp202"); /* VEU */
clk_always_enable("mstp201"); /* VPU */
--- 0001/arch/sh/kernel/cpu/sh4a/setup-sh7723.c
+++ work/arch/sh/kernel/cpu/sh4a/setup-sh7723.c 2008-07-18 14:36:23.000000000 +0900
@@ -210,7 +210,11 @@ static struct resource iic_resources[] =
.start = 96,
.end = 99,
.flags = IORESOURCE_IRQ,
- },
+ },
+ [2] = {
+ .name = "mstp109",
+ .flags = IORESOURCE_CLK,
+ },
};
static struct platform_device iic_device = {
@@ -238,7 +242,6 @@ static int __init sh7723_devices_setup(v
clk_always_enable("mstp022"); /* INTC */
clk_always_enable("mstp020"); /* SuperHyway */
clk_always_enable("mstp000"); /* MERAM */
- clk_always_enable("mstp109"); /* I2C */
clk_always_enable("mstp108"); /* RTC */
clk_always_enable("mstp211"); /* USB */
clk_always_enable("mstp206"); /* VEU2H1 */
--
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