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rockchip/iep: add pm runtime operation

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Change-Id: I51283153d2229de27ab085db53ba311f5afc414e
Signed-off-by: Alpha Lin <alpha.lin@rock-chips.com>
This commit is contained in:
Alpha Lin
2016-06-01 16:40:38 +08:00
committed by Huang, Tao
parent 17510d6605
commit 4b132516f3
1 changed files with 11 additions and 1 deletions
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12
drivers/video/rockchip/iep/iep_drv.c
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@@ -30,6 +30,7 @@
#include <linux/of_platform.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
#include <linux/rockchip/cpu.h>
#include <linux/rockchip/cru.h>
#include <asm/cacheflush.h>
@@ -54,7 +55,6 @@ MODULE_PARM_DESC(debug,
struct iep_drvdata {
struct miscdevice miscdev;
struct device dev;
void *iep_base;
int irq0;
@@ -80,6 +80,7 @@ struct iep_drvdata {
/* capability for this iep device */
struct IEP_CAP cap;
struct device *dev;
};
struct iep_drvdata *iep_drvdata1 = NULL;
@@ -224,6 +225,7 @@ static void iep_power_on(void)
/* iep_soft_rst(iep_drvdata1->iep_base); */
#ifdef IEP_CLK_ENABLE
pm_runtime_get_sync(iep_drvdata1->dev);
if (iep_drvdata1->pd_iep)
clk_prepare_enable(iep_drvdata1->pd_iep);
clk_prepare_enable(iep_drvdata1->aclk_iep);
@@ -270,6 +272,7 @@ static void iep_power_off(void)
clk_disable_unprepare(iep_drvdata1->hclk_iep);
if (iep_drvdata1->pd_iep)
clk_disable_unprepare(iep_drvdata1->pd_iep);
pm_runtime_put(iep_drvdata1->dev);
#endif
wake_unlock(&iep_drvdata1->wake_lock);
@@ -1136,6 +1139,11 @@ static int iep_drv_probe(struct platform_device *pdev)
goto err_misc_register;
}
data->dev = &pdev->dev;
#ifdef IEP_CLK_ENABLE
pm_runtime_enable(data->dev);
#endif
#if defined(CONFIG_IEP_IOMMU)
iep_service.iommu_dev = NULL;
if (iommu_en) {
@@ -1207,6 +1215,8 @@ static int iep_drv_remove(struct platform_device *pdev)
if (data->pd_iep)
devm_clk_put(&pdev->dev, data->pd_iep);
pm_runtime_disable(data->dev);
#endif
return 0;