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ddr_test: use dvfs_clk_set_rate() when change freq

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Signed-off-by: 陈亮 <cl@rock-chips.com>
This commit is contained in:
陈亮
2014-07-21 05:27:24 -07:00
parent 17beed5e65
commit 91191c2a72
1 changed files with 7 additions and 2 deletions
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9
arch/arm/mach-rockchip/ddr_test.c
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@@ -11,12 +11,14 @@
#include <linux/freezer.h>
#include <linux/kthread.h>
#include <linux/sched/rt.h>
#include <linux/rockchip/dvfs.h>
#include <dt-bindings/clock/ddr.h>
struct ddrtest {
struct clk *pll;
struct clk *clk;
struct dvfs_node *clk_dvfs_node;
volatile unsigned int freq;
volatile bool change_end;
struct task_struct *task;
@@ -220,8 +222,7 @@ static const struct file_operations ddr_proc_fops = {
static void ddrtest_work(unsigned int value)
{
clk_set_rate(ddrtest.clk, value * 1000000);
dvfs_clk_set_rate(ddrtest.clk_dvfs_node, value * 1000000);
ddrtest.change_end = true;
}
@@ -261,6 +262,10 @@ static int ddr_proc_init(void)
}
ddrtest.freq = clk_get_rate(ddrtest.clk)/1000000;
ddrtest.clk_dvfs_node = clk_get_dvfs_node("clk_ddr");
if (!ddrtest.clk_dvfs_node)
goto err;
ddr_proc_entry = proc_create("driver/ddr_ts",
S_IRUGO | S_IWUGO | S_IWUSR | S_IRUSR,
NULL,&ddrtest_proc_fops);