Re: [PATCH 1/3] ARM: dts: omap4: add missing des_fck

From: Tero Kristo
Date: Mon Jun 12 2017 - 04:15:06 EST


On 10/06/17 02:12, Sebastian Reichel wrote:
Add missing functional clock for DES3DES IP core. This is
documented in the TRM as CM_L4SEC_DES3DES_CLKCTRL.

Signed-off-by: Sebastian Reichel <sre@xxxxxxxxxx>
---
arch/arm/boot/dts/omap44xx-clocks.dtsi | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/omap44xx-clocks.dtsi b/arch/arm/boot/dts/omap44xx-clocks.dtsi
index 9573b37fbaa7..e997265460d4 100644
--- a/arch/arm/boot/dts/omap44xx-clocks.dtsi
+++ b/arch/arm/boot/dts/omap44xx-clocks.dtsi
@@ -985,6 +985,14 @@
reg = <0x15a8>;
};
+ des_fck: des_fck@15b0 {
+ #clock-cells = <0>;
+ compatible = "ti,gate-clock";
+ clocks = <&l3_div_ck>;
+ ti,bit-shift = <1>;
+ reg = <0x15b0>;
+ };
+
dss_sys_clk: dss_sys_clk@1120 {
#clock-cells = <0>;
compatible = "ti,gate-clock";


NAK. Don't add a duplicate entry for the hwmod clkctrl clock. You are adding control to the exact same bit via the hwmod data entry also causing a possibility for race condition.

-Tero