diff options
| author | Dong Aisheng <aisheng.dong@nxp.com> | 2021-06-04 17:09:36 +0800 |
|---|---|---|
| committer | Abel Vesa <abel.vesa@nxp.com> | 2021-06-14 12:34:19 +0300 |
| commit | aecf425fa948e0ea9d0f7d86317b2c509108daae (patch) | |
| tree | c2796d6752523b8642eeda0e370e114b06bf4634 /drivers/clk/imx | |
| parent | b192d04011ee7dadfa3045beae4a2ef7dd71d027 (diff) | |
clk: imx: scu: bypass cpu clock save and restore
CPU clock is managed by ATF. No need save and restore.
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.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c index 680b2650fd45..d87a1a1b297e 100644 --- a/drivers/clk/imx/clk-scu.c +++ b/drivers/clk/imx/clk-scu.c @@ -538,6 +538,11 @@ static int imx_clk_scu_probe(struct platform_device *pdev) static int __maybe_unused imx_clk_scu_suspend(struct device *dev) { struct clk_scu *clk = dev_get_drvdata(dev); + u32 rsrc_id = clk->rsrc_id; + + if ((rsrc_id == IMX_SC_R_A35) || (rsrc_id == IMX_SC_R_A53) || + (rsrc_id == IMX_SC_R_A72)) + return 0; clk->rate = clk_hw_get_rate(&clk->hw); clk->is_enabled = clk_hw_is_enabled(&clk->hw); @@ -554,8 +559,13 @@ static int __maybe_unused imx_clk_scu_suspend(struct device *dev) static int __maybe_unused imx_clk_scu_resume(struct device *dev) { struct clk_scu *clk = dev_get_drvdata(dev); + u32 rsrc_id = clk->rsrc_id; int ret = 0; + if ((rsrc_id == IMX_SC_R_A35) || (rsrc_id == IMX_SC_R_A53) || + (rsrc_id == IMX_SC_R_A72)) + return 0; + if (clk->rate) { ret = clk_scu_set_rate(&clk->hw, clk->rate, 0); dev_dbg(dev, "restore rate %d %s\n", clk->rate, |