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clk: imx: scu: Do not enable runtime PM for CPU clks

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Since CPU clocks are managed by CPUFREQ and ATF, do not enable
runtime PM otherwise rpm gets out of status as cpufreq
also manages clock states.

Signed-off-by: Nitin Garg <nitin.garg@nxp.com>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
This commit is contained in:
Nitin Garg 2021-06-04 17:09:43 +08:00 • committed by Abel Vesa
parent a82327cc5e
commit 18a50f82cd
1 changed files with 17 additions and 11 deletions
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28
drivers/clk/imx/clk-scu.c
View file

@ -521,16 +521,19 @@ static int imx_clk_scu_probe(struct platform_device *pdev)
struct clk_hw *hw;
int ret;
pm_runtime_set_suspended(dev);
pm_runtime_set_autosuspend_delay(dev, 50);
pm_runtime_use_autosuspend(&pdev->dev);
pm_runtime_enable(dev);
if (!((clk->rsrc == IMX_SC_R_A35) || (clk->rsrc == IMX_SC_R_A53) ||
(clk->rsrc == IMX_SC_R_A72))) {
pm_runtime_set_suspended(dev);
pm_runtime_set_autosuspend_delay(dev, 50);
pm_runtime_use_autosuspend(&pdev->dev);
pm_runtime_enable(dev);
ret = pm_runtime_get_sync(dev);
if (ret) {
pm_genpd_remove_device(dev);
pm_runtime_disable(dev);
return ret;
ret = pm_runtime_get_sync(dev);
if (ret) {
pm_genpd_remove_device(dev);
pm_runtime_disable(dev);
return ret;
}
}
hw = __imx_clk_scu(dev, clk->name, clk->parents, clk->num_parents,
@ -543,8 +546,11 @@ static int imx_clk_scu_probe(struct platform_device *pdev)
clk->hw = hw;
list_add_tail(&clk->node, &imx_scu_clks[clk->rsrc]);
pm_runtime_mark_last_busy(&pdev->dev);
pm_runtime_put_autosuspend(&pdev->dev);
if (!((clk->rsrc == IMX_SC_R_A35) || (clk->rsrc == IMX_SC_R_A53) ||
(clk->rsrc == IMX_SC_R_A72))) {
pm_runtime_mark_last_busy(&pdev->dev);
pm_runtime_put_autosuspend(&pdev->dev);
}
dev_dbg(dev, "register SCU clock rsrc:%d type:%d\n", clk->rsrc,
clk->clk_type);