Hi,
On ven., janv. 05 2018, Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx> wrote:
> On the CP modules we found on Armada 7K/8K, many IP block actually also
> need a "logical" clock (from the bus). This patch add them which allows
> to fix some issues hanging the kernel:
>
> If Ethernet and sdhci driver are built as modules and sdhci was loaded
> first then the kernel hang.
>
> Fixes: bb16ea1742c8 ("mmc: sdhci-xenon: Fix clock resource by adding an
> optional bus clock")
> Cc: stable@xxxxxxxxxxxxxxx
> Reported-by: Riku Voipio <riku.voipio@xxxxxxxxxx>
> Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx>
Applied on mvebu/fixes
Gregory
> ---
> arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi | 13 ++++++++-----
> arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi | 9 ++++++---
> 2 files changed, 14 insertions(+), 8 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi
> index e3b64d03fbd8..9c7724e82aff 100644
> --- a/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi
> +++ b/arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi
> @@ -63,8 +63,10 @@
> cpm_ethernet: ethernet@0 {
> compatible = "marvell,armada-7k-pp22";
> reg = <0x0 0x100000>, <0x129000 0xb000>;
> - clocks = <&cpm_clk 1 3>, <&cpm_clk 1 9>, <&cpm_clk 1 5>;
> - clock-names = "pp_clk", "gop_clk", "mg_clk";
> + clocks = <&cpm_clk 1 3>, <&cpm_clk 1 9>,
> + <&cpm_clk 1 5>, <&cpm_clk 1 18>;
> + clock-names = "pp_clk", "gop_clk",
> + "mg_clk","axi_clk";
> marvell,system-controller = <&cpm_syscon0>;
> status = "disabled";
> dma-coherent;
> @@ -155,7 +157,8 @@
> #size-cells = <0>;
> compatible = "marvell,orion-mdio";
> reg = <0x12a200 0x10>;
> - clocks = <&cpm_clk 1 9>, <&cpm_clk 1 5>;
> + clocks = <&cpm_clk 1 9>, <&cpm_clk 1 5>,
> + <&cpm_clk 1 6>, <&cpm_clk 1 18>;
> status = "disabled";
> };
>
> @@ -338,8 +341,8 @@
> compatible = "marvell,armada-cp110-sdhci";
> reg = <0x780000 0x300>;
> interrupts = <ICU_GRP_NSR 27 IRQ_TYPE_LEVEL_HIGH>;
> - clock-names = "core";
> - clocks = <&cpm_clk 1 4>;
> + clock-names = "core","axi";
> + clocks = <&cpm_clk 1 4>, <&cpm_clk 1 18>;
> dma-coherent;
> status = "disabled";
> };
> diff --git a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
> index 0d51096c69f8..87ac68b2cf37 100644
> --- a/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
> +++ b/arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi
> @@ -63,8 +63,10 @@
> cps_ethernet: ethernet@0 {
> compatible = "marvell,armada-7k-pp22";
> reg = <0x0 0x100000>, <0x129000 0xb000>;
> - clocks = <&cps_clk 1 3>, <&cps_clk 1 9>, <&cps_clk 1 5>;
> - clock-names = "pp_clk", "gop_clk", "mg_clk";
> + clocks = <&cps_clk 1 3>, <&cps_clk 1 9>,
> + <&cps_clk 1 5>, <&cps_clk 1 18>;
> + clock-names = "pp_clk", "gop_clk",
> + "mg_clk", "axi_clk";
> marvell,system-controller = <&cps_syscon0>;
> status = "disabled";
> dma-coherent;
> @@ -155,7 +157,8 @@
> #size-cells = <0>;
> compatible = "marvell,orion-mdio";
> reg = <0x12a200 0x10>;
> - clocks = <&cps_clk 1 9>, <&cps_clk 1 5>;
> + clocks = <&cps_clk 1 9>, <&cps_clk 1 5>,
> + <&cps_clk 1 6>, <&cps_clk 1 18>;
> status = "disabled";
> };
>
> --
> 2.15.1
>
>
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> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
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--
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com