Thread (36 messages) 36 messages, 6 authors, 2019-11-17
STALE2421d
Revisions (6)
  1. v3 [diff vs current]
  2. v4 current
  3. v5 [diff vs current]
  4. v5 [diff vs current]
  5. v6 [diff vs current]
  6. v7 [diff vs current]

[PATCH V4 04/11] clk: imx: scu: bypass cpu power domains

From: Dong Aisheng <aisheng.dong@nxp.com>
Date: 2019-08-20 11:32:06
Also in: linux-clk
Subsystem: common clk framework, nxp i.mx clock drivers, the rest · Maintainers: Michael Turquette, Stephen Boyd, Abel Vesa, Linus Torvalds

Bypass cpu power domains which are owned by ATF.

Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
---
ChangeLog:
v4: no changes
v3: new patch
---
 drivers/clk/imx/clk-scu.c | 4 ++++
 1 file changed, 4 insertions(+)
diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c
index 48bfb08..5f935b1 100644
--- a/drivers/clk/imx/clk-scu.c
+++ b/drivers/clk/imx/clk-scu.c
@@ -479,6 +479,10 @@ 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);
 }
 
-- 
2.7.4


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