diff mbox series

[V6,04/12] clk: imx: scu: bypass cpu power domains

Message ID 1584279836-29825-5-git-send-email-aisheng.dong@nxp.com (mailing list archive)
State Awaiting Upstream, archived
Headers show
Series clk: imx8: add new clock binding for better pm support | expand

Commit Message

Aisheng Dong March 15, 2020, 1:43 p.m. UTC 
Bypass cpu power domains which are owned by ATF.

Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
---
ChangeLog:
v5:
 * remove unnecessary ()
v4: no changes
v3: new patch
---
 drivers/clk/imx/clk-scu.c | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Stephen Boyd May 5, 2020, 4:49 a.m. UTC | #1 
Quoting Dong Aisheng (2020-03-15 06:43:48)
> Bypass cpu power domains which are owned by ATF.
> 
> Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
> ---

Reviewed-by: Stephen Boyd <sboyd@kernel.org>
diff mbox series

Patch

diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c
index 4fadff14d8b2..4c1980d5901d 100644
--- a/drivers/clk/imx/clk-scu.c
+++ b/drivers/clk/imx/clk-scu.c
@@ -481,6 +481,10 @@  static int imx_clk_scu_attach_pd(struct device *dev, u32 rsrc_id)
 		.args[0] = rsrc_id,
 	};
 
+	if (rsrc_id == IMX_SC_R_A35 || rsrc_id == IMX_SC_R_A53 ||
+	    rsrc_id == IMX_SC_R_A72)
+		return 0;
+
 	return of_genpd_add_device(&genpdspec, dev);
 }