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>
diff --git a/arch/arm/mach-cns3xxx/pm.c b/arch/arm/mach-cns3xxx/pm.c
index dfccabb..c047c1a 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 @@
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 @@
/* 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 @@
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 @@
__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 @@
}
cns3xxx_pwr_soft_rst_force(block);
}
+EXPORT_SYMBOL(cns3xxx_pwr_soft_rst);
void arch_reset(char mode, const char *cmd)
{
@@ -100,3 +117,4 @@
return cpu;
}
+EXPORT_SYMBOL(cns3xxx_cpu_clock);