summaryrefslogtreecommitdiff
path: root/drivers/clk/imx
diff options
context:
space:
mode:
authorNitin Garg <nitin.garg@nxp.com>2021-06-04 17:09:43 +0800
committerAbel Vesa <abel.vesa@nxp.com>2021-06-14 12:34:51 +0300
commit18a50f82cd2ff3e43589d44349e71fdbef0d3fdd (patch)
tree30d4b29e28e22dbd914dbc4a79e18f038ea62174 /drivers/clk/imx
parenta82327cc5edb2283efe6a63bde7516e67d02f2a2 (diff)
clk: imx: scu: Do not enable runtime PM for CPU clks
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>
Diffstat (limited to 'drivers/clk/imx')
-rw-r--r--drivers/clk/imx/clk-scu.c30
1 files changed, 18 insertions, 12 deletions
diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c
index 597cd2754370..083da31dc3ea 100644
--- a/drivers/clk/imx/clk-scu.c
+++ b/drivers/clk/imx/clk-scu.c
@@ -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);
-
- ret = pm_runtime_get_sync(dev);
- if (ret) {
- pm_genpd_remove_device(dev);
- pm_runtime_disable(dev);
- return ret;
+ 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;
+ }
}
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);