diff options
Diffstat (limited to 'packages/linux/linux-rp-2.6.24/tosa/0043-Use-clocklib-for-sa1100-sub-arch.patch')
| -rw-r--r-- | packages/linux/linux-rp-2.6.24/tosa/0043-Use-clocklib-for-sa1100-sub-arch.patch | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/packages/linux/linux-rp-2.6.24/tosa/0043-Use-clocklib-for-sa1100-sub-arch.patch b/packages/linux/linux-rp-2.6.24/tosa/0043-Use-clocklib-for-sa1100-sub-arch.patch new file mode 100644 index 0000000000..22b8414b2d --- /dev/null +++ b/packages/linux/linux-rp-2.6.24/tosa/0043-Use-clocklib-for-sa1100-sub-arch.patch @@ -0,0 +1,153 @@ +From 3932e0f5c4c05200c030b60606ed2eb83550f4bb Mon Sep 17 00:00:00 2001 +From: Dmitry Baryshkov <dbaryshkov@gmail.com> +Date: Mon, 4 Feb 2008 03:01:04 +0300 +Subject: [PATCH 43/64] Use clocklib for sa1100 sub-arch. + +Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com> +--- + arch/arm/Kconfig | 1 + + arch/arm/mach-sa1100/clock.c | 95 ++--------------------------------------- + 2 files changed, 6 insertions(+), 90 deletions(-) + +diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig +index 47f3c73..fa47201 100644 +--- a/arch/arm/Kconfig ++++ b/arch/arm/Kconfig +@@ -370,6 +370,7 @@ config ARCH_SA1100 + select ARCH_MTD_XIP + select GENERIC_GPIO + select GENERIC_TIME ++ select HAVE_CLOCK_LIB + help + Support for StrongARM 11x0 based boards. + +diff --git a/arch/arm/mach-sa1100/clock.c b/arch/arm/mach-sa1100/clock.c +index fc97fe5..6b3cc51 100644 +--- a/arch/arm/mach-sa1100/clock.c ++++ b/arch/arm/mach-sa1100/clock.c +@@ -8,83 +8,13 @@ + #include <linux/err.h> + #include <linux/string.h> + #include <linux/clk.h> ++#include <linux/clklib.h> + #include <linux/spinlock.h> + #include <linux/mutex.h> + + #include <asm/hardware.h> + +-/* +- * Very simple clock implementation - we only have one clock to +- * deal with at the moment, so we only match using the "name". +- */ +-struct clk { +- struct list_head node; +- unsigned long rate; +- const char *name; +- unsigned int enabled; +- void (*enable)(void); +- void (*disable)(void); +-}; +- +-static LIST_HEAD(clocks); +-static DEFINE_MUTEX(clocks_mutex); +-static DEFINE_SPINLOCK(clocks_lock); +- +-struct clk *clk_get(struct device *dev, const char *id) +-{ +- struct clk *p, *clk = ERR_PTR(-ENOENT); +- +- mutex_lock(&clocks_mutex); +- list_for_each_entry(p, &clocks, node) { +- if (strcmp(id, p->name) == 0) { +- clk = p; +- break; +- } +- } +- mutex_unlock(&clocks_mutex); +- +- return clk; +-} +-EXPORT_SYMBOL(clk_get); +- +-void clk_put(struct clk *clk) +-{ +-} +-EXPORT_SYMBOL(clk_put); +- +-int clk_enable(struct clk *clk) +-{ +- unsigned long flags; +- +- spin_lock_irqsave(&clocks_lock, flags); +- if (clk->enabled++ == 0) +- clk->enable(); +- spin_unlock_irqrestore(&clocks_lock, flags); +- return 0; +-} +-EXPORT_SYMBOL(clk_enable); +- +-void clk_disable(struct clk *clk) +-{ +- unsigned long flags; +- +- WARN_ON(clk->enabled == 0); +- +- spin_lock_irqsave(&clocks_lock, flags); +- if (--clk->enabled == 0) +- clk->disable(); +- spin_unlock_irqrestore(&clocks_lock, flags); +-} +-EXPORT_SYMBOL(clk_disable); +- +-unsigned long clk_get_rate(struct clk *clk) +-{ +- return clk->rate; +-} +-EXPORT_SYMBOL(clk_get_rate); +- +- +-static void clk_gpio27_enable(void) ++static int clk_gpio27_enable(struct clk *clk) + { + /* + * First, set up the 3.6864MHz clock on GPIO 27 for the SA-1111: +@@ -93,9 +23,11 @@ static void clk_gpio27_enable(void) + GAFR |= GPIO_32_768kHz; + GPDR |= GPIO_32_768kHz; + TUCR = TUCR_3_6864MHz; ++ ++ return 0; + } + +-static void clk_gpio27_disable(void) ++static void clk_gpio27_disable(struct clk *clk) + { + TUCR = 0; + GPDR &= ~GPIO_32_768kHz; +@@ -109,23 +41,6 @@ static struct clk clk_gpio27 = { + .disable = clk_gpio27_disable, + }; + +-int clk_register(struct clk *clk) +-{ +- mutex_lock(&clocks_mutex); +- list_add(&clk->node, &clocks); +- mutex_unlock(&clocks_mutex); +- return 0; +-} +-EXPORT_SYMBOL(clk_register); +- +-void clk_unregister(struct clk *clk) +-{ +- mutex_lock(&clocks_mutex); +- list_del(&clk->node); +- mutex_unlock(&clocks_mutex); +-} +-EXPORT_SYMBOL(clk_unregister); +- + static int __init clk_init(void) + { + clk_register(&clk_gpio27); +-- +1.5.3.8 + |