diff options
| author | Mac Lin <mkl0301@gmail.com> | 2010-11-22 19:32:43 +0300 |
|---|---|---|
| committer | Anton Vorontsov <cbouatmailru@gmail.com> | 2010-11-26 21:10:50 +0300 |
| commit | 38e64ba0f13918d11e50bbd5bb775781ccd6439d (patch) | |
| tree | f8a349eab0c2a664aced321775c3d9d2520969a0 /arch/arm/mach-cns3xxx/pm.c | |
| parent | df8f4d2f3ef9ca2154f7bd531492a83c4ab4558a (diff) | |
| download | linux-38e64ba0f13918d11e50bbd5bb775781ccd6439d.tar.xz | |
ARM: cns3xxx: Add new and export the old power management functions
This patch adds cns3xxx_pwr_clk_dis, and exports these power management
functions that may be used by many other device drivers on CNS3XXX.
Signed-off-by: Mac Lin <mkl0301@gmail.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Diffstat (limited to 'arch/arm/mach-cns3xxx/pm.c')
| -rw-r--r-- | arch/arm/mach-cns3xxx/pm.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/mach-cns3xxx/pm.c b/arch/arm/mach-cns3xxx/pm.c index dfccabbd9599..c047c1a2bc2a 100644 --- a/arch/arm/mach-cns3xxx/pm.c +++ b/arch/arm/mach-cns3xxx/pm.c @@ -6,10 +6,13 @@ * published by the Free Software Foundation. */ +#include <linux/init.h> +#include <linux/module.h> #include <linux/io.h> #include <linux/delay.h> #include <mach/system.h> #include <mach/cns3xxx.h> +#include <mach/pm.h> void cns3xxx_pwr_clk_en(unsigned int block) { @@ -18,6 +21,16 @@ void cns3xxx_pwr_clk_en(unsigned int block) reg |= (block & PM_CLK_GATE_REG_MASK); __raw_writel(reg, PM_CLK_GATE_REG); } +EXPORT_SYMBOL(cns3xxx_pwr_clk_en); + +void cns3xxx_pwr_clk_dis(unsigned int block) +{ + u32 reg = __raw_readl(PM_CLK_GATE_REG); + + reg &= ~(block & PM_CLK_GATE_REG_MASK); + __raw_writel(reg, PM_CLK_GATE_REG); +} +EXPORT_SYMBOL(cns3xxx_pwr_clk_dis); void cns3xxx_pwr_power_up(unsigned int block) { @@ -29,6 +42,7 @@ void cns3xxx_pwr_power_up(unsigned int block) /* Wait for 300us for the PLL output clock locked. */ udelay(300); }; +EXPORT_SYMBOL(cns3xxx_pwr_power_up); void cns3xxx_pwr_power_down(unsigned int block) { @@ -38,6 +52,7 @@ void cns3xxx_pwr_power_down(unsigned int block) reg |= (block & CNS3XXX_PWR_PLL_ALL); __raw_writel(reg, PM_PLL_HM_PD_CTRL_REG); }; +EXPORT_SYMBOL(cns3xxx_pwr_power_down); static void cns3xxx_pwr_soft_rst_force(unsigned int block) { @@ -57,6 +72,7 @@ static void cns3xxx_pwr_soft_rst_force(unsigned int block) __raw_writel(reg, PM_SOFT_RST_REG); } +EXPORT_SYMBOL(cns3xxx_pwr_soft_rst_force); void cns3xxx_pwr_soft_rst(unsigned int block) { @@ -70,6 +86,7 @@ void cns3xxx_pwr_soft_rst(unsigned int block) } cns3xxx_pwr_soft_rst_force(block); } +EXPORT_SYMBOL(cns3xxx_pwr_soft_rst); void arch_reset(char mode, const char *cmd) { @@ -100,3 +117,4 @@ int cns3xxx_cpu_clock(void) return cpu; } +EXPORT_SYMBOL(cns3xxx_cpu_clock); |