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[ar71xx] update flash locking code

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@16359 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2009-06-06 15:56:03 +00:00
parent dd385a9449
commit 282cd9f4b2
5 changed files with 48 additions and 14 deletions
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12
target/linux/ar71xx/files/arch/mips/ar71xx/ar71xx.c
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@@ -17,7 +17,6 @@
#include <asm/mach-ar71xx/ar71xx.h>
static DEFINE_MUTEX(ar71xx_flash_mutex);
static int ar71xx_flash_lock_enabled;
void __iomem *ar71xx_ddr_base;
EXPORT_SYMBOL_GPL(ar71xx_ddr_base);
@@ -102,21 +101,14 @@ void ar71xx_ddr_flush(u32 reg)
}
EXPORT_SYMBOL_GPL(ar71xx_ddr_flush);
void __init ar71xx_flash_lock_enable(void)
{
ar71xx_flash_lock_enabled = 1;
}
void ar71xx_flash_acquire(void)
{
if (ar71xx_flash_lock_enabled)
mutex_lock(&ar71xx_flash_mutex);
mutex_lock(&ar71xx_flash_mutex);
}
EXPORT_SYMBOL_GPL(ar71xx_flash_acquire);
void ar71xx_flash_release(void)
{
if (ar71xx_flash_lock_enabled)
mutex_unlock(&ar71xx_flash_mutex);
mutex_unlock(&ar71xx_flash_mutex);
}
EXPORT_SYMBOL_GPL(ar71xx_flash_release);

2
target/linux/ar71xx/files/arch/mips/ar71xx/mach-ap83.c
View File

@@ -221,7 +221,7 @@ static void __init ap83_generic_setup(void)
static void __init ap83_040_setup(void)
{
ar71xx_flash_lock_enable();
ap83_flash_data.is_shared=1;
ap83_generic_setup();
platform_device_register(&ap83_040_spi_device);
}

1
target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/ar71xx.h
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@@ -422,7 +422,6 @@ void ar71xx_device_start(u32 mask);
#define SPI_IOC_CS2 SPI_IOC_CS(2)
#define SPI_IOC_CS_ALL (SPI_IOC_CS0 | SPI_IOC_CS1 | SPI_IOC_CS2)
void ar71xx_flash_lock_enable(void) __init;
void ar71xx_flash_acquire(void);
void ar71xx_flash_release(void);

1
target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/platform.h
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@@ -55,6 +55,7 @@ struct ar71xx_spi_platform_data {
struct ar91xx_flash_platform_data {
unsigned int width;
u8 is_shared:1;
#ifdef CONFIG_MTD_PARTITIONS
unsigned int nr_parts;
struct mtd_partition *parts;