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Date: Sun, 16 Aug 2009 17:24:25 +0800
From: Wan ZongShun <mcuos.com@...il.com>
To: linux-arm-kernel <linux-arm-kernel@...ts.arm.linux.org.uk>,
linux-kernel <linux-kernel@...r.kernel.org>,
Russell King <linux@....linux.org.uk>
Subject: [PATCH 1/2] ARM: Adjust the public device definition for w90x900
Dear Russell,
In fact, this patch follows previous nine patches series,
I adjust the position of platform device definition, if the
device is public between any two CPUs, I locate them in dev.c
rather than specific CPU file.
Signed-off-by: Wan ZongShun <mcuos.com@...il.com>
---
arch/arm/mach-w90x900/cpu.h | 7 ++
arch/arm/mach-w90x900/dev.c | 149 ++++++++++++++++++++++++++-------------
arch/arm/mach-w90x900/nuc950.c | 2 +
arch/arm/mach-w90x900/w90p910.c | 48 +------------
4 files changed, 111 insertions(+), 95 deletions(-)
diff --git a/arch/arm/mach-w90x900/cpu.h b/arch/arm/mach-w90x900/cpu.h
index 8b0520a..683c879 100644
--- a/arch/arm/mach-w90x900/cpu.h
+++ b/arch/arm/mach-w90x900/cpu.h
@@ -49,4 +49,11 @@ extern void nuc900_clock_source(struct device *dev, unsigned char *src);
extern void nuc900_init_clocks(void);
extern void nuc900_map_io(struct map_desc *mach_desc, int mach_size);
extern void nuc900_board_init(struct platform_device **device, int size);
+
+/* for either public between 910 and 920, or between 920 and 950 */
+
extern struct platform_device nuc900_serial_device;
+extern struct platform_device nuc900_device_fmi;
+extern struct platform_device nuc900_device_kpi;
+extern struct platform_device nuc900_device_rtc;
+extern struct platform_device nuc900_device_ts;
diff --git a/arch/arm/mach-w90x900/dev.c b/arch/arm/mach-w90x900/dev.c
index 76bc7fd..2a6f98d 100644
--- a/arch/arm/mach-w90x900/dev.c
+++ b/arch/arm/mach-w90x900/dev.c
@@ -140,29 +140,6 @@ static struct platform_device nuc900_device_usb_ohci = {
}
};
-/* KPI controller*/
-
-static struct resource nuc900_kpi_resource[] = {
- [0] = {
- .start = W90X900_PA_KPI,
- .end = W90X900_PA_KPI + W90X900_SZ_KPI - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_KPI,
- .end = IRQ_KPI,
- .flags = IORESOURCE_IRQ,
- }
-
-};
-
-static struct platform_device nuc900_device_kpi = {
- .name = "nuc900-kpi",
- .id = -1,
- .num_resources = ARRAY_SIZE(nuc900_kpi_resource),
- .resource = nuc900_kpi_resource,
-};
-
/* USB Device (Gadget)*/
static struct resource nuc900_usbgadget_resource[] = {
@@ -185,28 +162,6 @@ static struct platform_device nuc900_device_usbgadget = {
.resource = nuc900_usbgadget_resource,
};
-/* FMI Device */
-
-static struct resource nuc900_fmi_resource[] = {
- [0] = {
- .start = W90X900_PA_FMI,
- .end = W90X900_PA_FMI + W90X900_SZ_FMI - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_FMI,
- .end = IRQ_FMI,
- .flags = IORESOURCE_IRQ,
- }
-};
-
-static struct platform_device nuc900_device_fmi = {
- .name = "nuc900-fmi",
- .id = -1,
- .num_resources = ARRAY_SIZE(nuc900_fmi_resource),
- .resource = nuc900_fmi_resource,
-};
-
/* MAC device */
static struct resource nuc900_emc_resource[] = {
@@ -311,16 +266,112 @@ static struct platform_device nuc900_device_wdt = {
.resource = nuc900_wdt_resource,
};
+/*
+ * public device definition between 910 and 920, or 910
+ * and 950 or 950 and 960...,their dev platform register
+ * should be in specific file such as nuc950, nuc960 c
+ * files rather than the public dev.c file here. so the
+ * corresponding platform_device definition should not be
+ * static.
+*/
+
+/* RTC controller*/
+
+static struct resource nuc900_rtc_resource[] = {
+ [0] = {
+ .start = W90X900_PA_RTC,
+ .end = W90X900_PA_RTC + 0xff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_RTC,
+ .end = IRQ_RTC,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device nuc900_device_rtc = {
+ .name = "nuc900-rtc",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(nuc900_rtc_resource),
+ .resource = nuc900_rtc_resource,
+};
+
+/*TouchScreen controller*/
+
+static struct resource nuc900_ts_resource[] = {
+ [0] = {
+ .start = W90X900_PA_ADC,
+ .end = W90X900_PA_ADC + W90X900_SZ_ADC-1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_ADC,
+ .end = IRQ_ADC,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+struct platform_device nuc900_device_ts = {
+ .name = "nuc900-ts",
+ .id = -1,
+ .resource = nuc900_ts_resource,
+ .num_resources = ARRAY_SIZE(nuc900_ts_resource),
+};
+
+/* FMI Device */
+
+static struct resource nuc900_fmi_resource[] = {
+ [0] = {
+ .start = W90X900_PA_FMI,
+ .end = W90X900_PA_FMI + W90X900_SZ_FMI - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_FMI,
+ .end = IRQ_FMI,
+ .flags = IORESOURCE_IRQ,
+ }
+};
+
+struct platform_device nuc900_device_fmi = {
+ .name = "nuc900-fmi",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(nuc900_fmi_resource),
+ .resource = nuc900_fmi_resource,
+};
+
+/* KPI controller*/
+
+static struct resource nuc900_kpi_resource[] = {
+ [0] = {
+ .start = W90X900_PA_KPI,
+ .end = W90X900_PA_KPI + W90X900_SZ_KPI - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = IRQ_KPI,
+ .end = IRQ_KPI,
+ .flags = IORESOURCE_IRQ,
+ }
+
+};
+
+struct platform_device nuc900_device_kpi = {
+ .name = "nuc900-kpi",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(nuc900_kpi_resource),
+ .resource = nuc900_kpi_resource,
+};
+
/*Here should be your evb resourse,such as LCD*/
-static struct platform_device *nuc900_dev[] __initdata = {
+static struct platform_device *nuc900_public_dev[] __initdata = {
&nuc900_serial_device,
&nuc900_flash_device,
&nuc900_device_usb_ehci,
&nuc900_device_usb_ohci,
- &nuc900_device_kpi,
&nuc900_device_usbgadget,
- &nuc900_device_fmi,
&nuc900_device_emc,
&nuc900_device_spi,
&nuc900_device_wdt,
@@ -331,7 +382,7 @@ static struct platform_device *nuc900_dev[] __initdata = {
void __init nuc900_board_init(struct platform_device **device, int size)
{
platform_add_devices(device, size);
- platform_add_devices(nuc900_dev, ARRAY_SIZE(nuc900_dev));
+ platform_add_devices(nuc900_public_dev, ARRAY_SIZE(nuc900_public_dev));
spi_register_board_info(nuc900_spi_board_info,
ARRAY_SIZE(nuc900_spi_board_info));
}
diff --git a/arch/arm/mach-w90x900/nuc950.c b/arch/arm/mach-w90x900/nuc950.c
index 60363db..4c94a29 100644
--- a/arch/arm/mach-w90x900/nuc950.c
+++ b/arch/arm/mach-w90x900/nuc950.c
@@ -41,6 +41,8 @@
/* define specific CPU platform device */
static struct platform_device *nuc950_dev[] __initdata = {
+ &nuc900_device_kpi,
+ &nuc900_device_fmi,
};
/* define specific CPU platform io map */
diff --git a/arch/arm/mach-w90x900/w90p910.c b/arch/arm/mach-w90x900/w90p910.c
index fc94af1..3f4fe3b 100644
--- a/arch/arm/mach-w90x900/w90p910.c
+++ b/arch/arm/mach-w90x900/w90p910.c
@@ -39,55 +39,11 @@
#include "cpu.h"
#include "clock.h"
-/* RTC controller*/
-
-static struct resource nuc910_rtc_resource[] = {
- [0] = {
- .start = W90X900_PA_RTC,
- .end = W90X900_PA_RTC + 0xff,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_RTC,
- .end = IRQ_RTC,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device nuc910_device_rtc = {
- .name = "nuc910-rtc",
- .id = -1,
- .num_resources = ARRAY_SIZE(nuc910_rtc_resource),
- .resource = nuc910_rtc_resource,
-};
-
-/*TouchScreen controller*/
-
-static struct resource nuc910_ts_resource[] = {
- [0] = {
- .start = W90X900_PA_ADC,
- .end = W90X900_PA_ADC + W90X900_SZ_ADC-1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = IRQ_ADC,
- .end = IRQ_ADC,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device nuc910_device_ts = {
- .name = "nuc910-ts",
- .id = -1,
- .resource = nuc910_ts_resource,
- .num_resources = ARRAY_SIZE(nuc910_ts_resource),
-};
-
/* define specific CPU platform device */
static struct platform_device *nuc910_dev[] __initdata = {
- &nuc910_device_ts,
- &nuc910_device_rtc,
+ &nuc900_device_ts,
+ &nuc900_device_rtc,
};
/* define specific CPU platform io map */
--
1.5.6.3
--
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