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media: rockchip: isp: fix scr clock is not disabled after app run

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Signed-off-by: Hu Kejun <william.hu@rock-chips.com>
Change-Id: I0fb35bcb4479b9741376fe20e2bf9ea388034abe
This commit is contained in:
Hu Kejun
2020-09-18 16:51:18 +08:00
committed by Tao Huang
parent 0eca6b2097
commit 75200228a6
1 changed files with 9 additions and 55 deletions
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64
drivers/media/platform/rockchip/isp/rkisp_tb_helper.c
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@@ -18,60 +18,22 @@
#include "rkisp_tb_helper.h"
static const char *const loader_protect_clocks[] = {
"aclk_isp",
"hclk_isp",
"clk_isp",
"pclk_csiphy0",
"pclk_csiphy1",
"clk_mipicsi_out2io",
"clk_scr1",
"clk_scr1_core",
"clk_scr1_rtc",
"clk_scr1_jtag"
};
static bool rkisp_tb_firstboot;
static struct clk **loader_clocks;
static struct platform_device *rkisp_tb_pdev;
static int __maybe_unused rkisp_tb_clocks_loader_protect(void)
{
int nclocks = ARRAY_SIZE(loader_protect_clocks);
struct clk *clk;
int i;
loader_clocks = kcalloc(nclocks, sizeof(void *), GFP_KERNEL);
if (!loader_clocks)
return -ENOMEM;
for (i = 0; i < nclocks; i++) {
clk = __clk_lookup(loader_protect_clocks[i]);
if (clk) {
loader_clocks[i] = clk;
clk_prepare_enable(clk);
}
if (rkisp_tb_pdev) {
pm_runtime_enable(&rkisp_tb_pdev->dev);
pm_runtime_get_sync(&rkisp_tb_pdev->dev);
}
return 0;
}
static int __maybe_unused rkisp_tb_clocks_loader_unprotect(void)
{
int i;
if (!loader_clocks)
return -ENODEV;
for (i = 0; i < ARRAY_SIZE(loader_protect_clocks); i++) {
struct clk *clk = loader_clocks[i];
if (clk)
clk_disable_unprepare(clk);
if (rkisp_tb_pdev) {
pm_runtime_put_sync(&rkisp_tb_pdev->dev);
pm_runtime_disable(&rkisp_tb_pdev->dev);
}
kfree(loader_clocks);
loader_clocks = NULL;
return 0;
}
@@ -82,10 +44,6 @@ static int __maybe_unused rkisp_tb_runtime_suspend(struct device *dev)
static int __maybe_unused rkisp_tb_runtime_resume(struct device *dev)
{
if (rkisp_tb_firstboot) {
rkisp_tb_firstboot = false;
rkisp_tb_clocks_loader_protect();
}
return 0;
}
@@ -105,17 +63,13 @@ static const struct of_device_id rkisp_tb_plat_of_match[] = {
static int rkisp_tb_plat_probe(struct platform_device *pdev)
{
rkisp_tb_firstboot = true;
pm_runtime_enable(&pdev->dev);
pm_runtime_get_sync(&pdev->dev);
rkisp_tb_pdev = pdev;
rkisp_tb_clocks_loader_protect();
return 0;
}
static int rkisp_tb_plat_remove(struct platform_device *pdev)
{
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
return 0;
}