[PATCH 0/4] Add ipq6018 apcs mailbox driver

[PATCH 0/4] Add ipq6018 apcs mailbox driver

[Sivaprakash Murugesan]

The ipq6018 devices has apcs block for ipc interrupts, this block also
provides a clock controller which provides cpu clocks.

This series adds support for the apcs block found in ipq6018 devices.

This series was originally part of ipq6018 apss clock controller series
https://lkml.org/lkml/2020/5/27/637

The patch 4 has dtb dependency with apss pll driver which can be found in
https://lkml.org/lkml/2020/5/27/637

Sivaprakash Murugesan (4):
  dt-bindings: mailbox: Add YAML schemas for QCOM APCS global block
  dt-bindings: mailbox: Add dt-bindings for ipq6018 apcs global block
  mailbox: qcom: Add ipq6018 apcs compatible
  arm64: dts: ipq6018: Add support for apcs clk

 .../bindings/mailbox/qcom,apcs-kpss-global.txt     | 88 -------------------
 .../bindings/mailbox/qcom,apcs-kpss-global.yaml    | 99 ++++++++++++++++++++++
 arch/arm64/boot/dts/qcom/ipq6018.dtsi              |  8 +-
 drivers/mailbox/qcom-apcs-ipc-mailbox.c            | 23 +++--
 4 files changed, 118 insertions(+), 100 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt
 create mode 100644 Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml

-- 
2.7.4

[PATCH 1/4] dt-bindings: mailbox: Add YAML schemas for QCOM APCS global block

[Sivaprakash Murugesan]

Qualcomm APCS global block provides a bunch of generic properties which
are required in a device tree. Add YAML schema for these properties.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
---
 .../bindings/mailbox/qcom,apcs-kpss-global.txt     | 88 ----------------------
 .../bindings/mailbox/qcom,apcs-kpss-global.yaml    | 86 +++++++++++++++++++++
 2 files changed, 86 insertions(+), 88 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt
 create mode 100644 Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml

diff --git a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt
deleted file mode 100644
index beec612..0000000
--- a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt
+++ /dev/null
@@ -1,88 +0,0 @@
-Binding for the Qualcomm APCS global block
-==========================================
-
-This binding describes the APCS "global" block found in various Qualcomm
-platforms.
-
-- compatible:
-	Usage: required
-	Value type: <string>
-	Definition: must be one of:
-		    "qcom,msm8916-apcs-kpss-global",
-		    "qcom,msm8996-apcs-hmss-global"
-		    "qcom,msm8998-apcs-hmss-global"
-		    "qcom,qcs404-apcs-apps-global"
-		    "qcom,sc7180-apss-shared"
-		    "qcom,sdm845-apss-shared"
-		    "qcom,sm8150-apss-shared"
-		    "qcom,ipq8074-apcs-apps-global"
-
-- reg:
-	Usage: required
-	Value type: <prop-encoded-array>
-	Definition: must specify the base address and size of the global block
-
-- clocks:
-	Usage: required if #clock-names property is present
-	Value type: <phandle array>
-	Definition: phandles to the two parent clocks of the clock driver.
-
-- #mbox-cells:
-	Usage: required
-	Value type: <u32>
-	Definition: as described in mailbox.txt, must be 1
-
-- #clock-cells:
-	Usage: optional
-	Value type: <u32>
-	Definition: as described in clock.txt, must be 0
-
-- clock-names:
-	Usage: required if the platform data based clock driver needs to
-	retrieve the parent clock names from device tree.
-	This will requires two mandatory clocks to be defined.
-	Value type: <string-array>
-	Definition: must be "pll" and "aux"
-
-= EXAMPLE
-The following example describes the APCS HMSS found in MSM8996 and part of the
-GLINK RPM referencing the "rpm_hlos" doorbell therein.
-
-	apcs_glb: mailbox@9820000 {
-		compatible = "qcom,msm8996-apcs-hmss-global";
-		reg = <0x9820000 0x1000>;
-
-		#mbox-cells = <1>;
-	};
-
-	rpm-glink {
-		compatible = "qcom,glink-rpm";
-
-		interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
-
-		qcom,rpm-msg-ram = <&rpm_msg_ram>;
-
-		mboxes = <&apcs_glb 0>;
-		mbox-names = "rpm_hlos";
-	};
-
-Below is another example of the APCS binding on MSM8916 platforms:
-
-	apcs: mailbox@b011000 {
-		compatible = "qcom,msm8916-apcs-kpss-global";
-		reg = <0xb011000 0x1000>;
-		#mbox-cells = <1>;
-		clocks = <&a53pll>;
-		#clock-cells = <0>;
-	};
-
-Below is another example of the APCS binding on QCS404 platforms:
-
-	apcs_glb: mailbox@b011000 {
-		compatible = "qcom,qcs404-apcs-apps-global", "syscon";
-		reg = <0x0b011000 0x1000>;
-		#mbox-cells = <1>;
-		clocks = <&apcs_hfpll>, <&gcc GCC_GPLL0_AO_OUT_MAIN>;
-		clock-names = "pll", "aux";
-		#clock-cells = <0>;
-	};
diff --git a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml
new file mode 100644
index 0000000..12eff94
--- /dev/null
+++ b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml
@@ -0,0 +1,86 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/mailbox/qcom,apcs-kpss-global.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Qualcomm APCS global block bindings
+
+description:
+  This binding describes the APCS "global" block found in various Qualcomm
+  platforms.
+
+maintainers:
+  - Sivaprakash Murugesan <sivaprak@codeaurora.org>
+
+properties:
+  compatible:
+    enum:
+      - qcom,ipq8074-apcs-apps-global
+      - qcom,msm8916-apcs-kpss-global
+      - qcom,msm8996-apcs-hmss-global
+      - qcom,msm8998-apcs-hmss-global
+      - qcom,qcs404-apcs-apps-global
+      - qcom,sc7180-apss-shared
+      - qcom,sdm845-apss-shared
+      - qcom,sm8150-apss-shared
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    description: phandles to the parent clocks of the clock driver
+    items:
+      - description: primary pll parent of the clock driver
+      - description: auxiliary parent
+
+  '#mbox-cells':
+    const: 1
+
+  '#clock-cells':
+    const: 0
+
+  clock-names:
+    items:
+      - const: pll
+      - const: aux
+
+required:
+  - compatible
+  - reg
+  - '#mbox-cells'
+
+additionalProperties: false
+
+examples:
+
+  # Example apcs with msm8996
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    apcs_glb: mailbox@9820000 {
+        compatible = "qcom,msm8996-apcs-hmss-global";
+        reg = <0x9820000 0x1000>;
+
+        #mbox-cells = <1>;
+    };
+
+    rpm-glink {
+        compatible = "qcom,glink-rpm";
+        interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
+        qcom,rpm-msg-ram = <&rpm_msg_ram>;
+        mboxes = <&apcs_glb 0>;
+        mbox-names = "rpm_hlos";
+    };
+
+  # Example apcs with qcs404
+  - |
+    #define GCC_APSS_AHB_CLK_SRC  1
+    #define GCC_GPLL0_AO_OUT_MAIN 123
+    apcs: mailbox@b011000 {
+        compatible = "qcom,qcs404-apcs-apps-global";
+        reg = <0x0b011000 0x1000>;
+        #mbox-cells = <1>;
+        clocks = <&apcs_hfpll>, <&gcc GCC_GPLL0_AO_OUT_MAIN>;
+        clock-names = "pll", "aux";
+        #clock-cells = <0>;
+    };
-- 
2.7.4

[PATCH 2/4] dt-bindings: mailbox: Add dt-bindings for ipq6018 apcs global block

[Sivaprakash Murugesan]

Add dt-bindings for ipq6018 mailbox driver

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
---
 .../bindings/mailbox/qcom,apcs-kpss-global.yaml         | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml
index 12eff94..e05bff4 100644
--- a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml
+++ b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml
@@ -16,6 +16,7 @@ maintainers:
 properties:
   compatible:
     enum:
+      - qcom,ipq6018-apcs-apps-global
       - qcom,ipq8074-apcs-apps-global
       - qcom,msm8916-apcs-kpss-global
       - qcom,msm8996-apcs-hmss-global
@@ -38,12 +39,12 @@ properties:
     const: 1
 
   '#clock-cells':
-    const: 0
+    enum: [ 0, 1 ]
 
   clock-names:
     items:
       - const: pll
-      - const: aux
+      - enum: [ aux, xo ]
 
 required:
   - compatible
@@ -84,3 +85,15 @@ examples:
         clock-names = "pll", "aux";
         #clock-cells = <0>;
     };
+
+  # Example apcs with ipq6018
+  - |
+    #include "dt-bindings/clock/qcom,apss-ipq.h"
+    apcs_ipq: mailbox@b111000 {
+        compatible = "qcom,ipq6018-apcs-apps-global";
+        reg = <0x0b111000 0x1000>;
+        #clock-cells = <1>;
+        clocks = <&a53pll>, <&xo>;
+        clock-names = "pll", "xo";
+        #mbox-cells = <1>;
+    };
-- 
2.7.4

[PATCH 3/4] mailbox: qcom: Add ipq6018 apcs compatible

[Sivaprakash Murugesan]

The Qualcomm ipq6018 has apcs block, add compatible for the same.
Also, the apcs provides a clock controller functionality similar
to msm8916 but the clock driver is different.

Create a child platform device based on the apcs compatible for the
clock controller functionality.

Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
---
 drivers/mailbox/qcom-apcs-ipc-mailbox.c | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/drivers/mailbox/qcom-apcs-ipc-mailbox.c b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
index eeebafd..db3f9518 100644
--- a/drivers/mailbox/qcom-apcs-ipc-mailbox.c
+++ b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
@@ -45,6 +45,13 @@ static const struct mbox_chan_ops qcom_apcs_ipc_ops = {
 	.send_data = qcom_apcs_ipc_send_data,
 };
 
+static const struct of_device_id apcs_clk_match_table[] = {
+	{ .compatible = "qcom,ipq6018-apcs-apps-global", .data = "qcom,apss-ipq6018-clk", },
+	{ .compatible = "qcom,msm8916-apcs-kpss-global", .data = "qcom-apcs-msm8916-clk", },
+	{ .compatible = "qcom,qcs404-apcs-apps-global",  .data = "qcom-apcs-msm8916-clk", },
+	{}
+};
+
 static int qcom_apcs_ipc_probe(struct platform_device *pdev)
 {
 	struct qcom_apcs_ipc *apcs;
@@ -54,11 +61,7 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev)
 	void __iomem *base;
 	unsigned long i;
 	int ret;
-	const struct of_device_id apcs_clk_match_table[] = {
-		{ .compatible = "qcom,msm8916-apcs-kpss-global", },
-		{ .compatible = "qcom,qcs404-apcs-apps-global", },
-		{}
-	};
+	const struct of_device_id *clk_device;
 
 	apcs = devm_kzalloc(&pdev->dev, sizeof(*apcs), GFP_KERNEL);
 	if (!apcs)
@@ -93,11 +96,12 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	if (of_match_device(apcs_clk_match_table, &pdev->dev)) {
+	clk_device = of_match_device(apcs_clk_match_table, &pdev->dev);
+	if (clk_device) {
 		apcs->clk = platform_device_register_data(&pdev->dev,
-							  "qcom-apcs-msm8916-clk",
-							  PLATFORM_DEVID_NONE,
-							  NULL, 0);
+							clk_device->data,
+							PLATFORM_DEVID_NONE,
+							NULL, 0);
 		if (IS_ERR(apcs->clk))
 			dev_err(&pdev->dev, "failed to register APCS clk\n");
 	}
@@ -126,6 +130,7 @@ static const struct of_device_id qcom_apcs_ipc_of_match[] = {
 	{ .compatible = "qcom,sc7180-apss-shared", .data = (void *)12 },
 	{ .compatible = "qcom,sdm845-apss-shared", .data = (void *)12 },
 	{ .compatible = "qcom,sm8150-apss-shared", .data = (void *)12 },
+	{ .compatible = "qcom,ipq6018-apcs-apps-global", .data = (void *)8 },
 	{ .compatible = "qcom,ipq8074-apcs-apps-global", .data = (void *)8 },
 	{}
 };
-- 
2.7.4

[PATCH 4/4] arm64: dts: ipq6018: Add support for apcs clk

[Sivaprakash Murugesan]

The ipq6018 devices has a clock functionality in apcs blcok. Add support
for the clock found in ipq6018 apcs block.

Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
---
 * This patch has compilation dependency with apss pll
	https://lkml.org/lkml/2020/5/27/642
 arch/arm64/boot/dts/qcom/ipq6018.dtsi | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
index 3956e44..8d60f6f 100644
--- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
@@ -294,9 +294,11 @@
 		};
 
 		apcs_glb: mailbox@b111000 {
-			compatible = "qcom,ipq8074-apcs-apps-global";
-			reg = <0x0b111000 0xc>;
-
+			compatible = "qcom,ipq6018-apcs-apps-global";
+			reg = <0x0b111000 0x1000>;
+			#clock-cells = <1>;
+			clocks = <&apsspll>, <&xo>;
+			clock-names = "pll", "xo";
 			#mbox-cells = <1>;
 		};
 
-- 
2.7.4

Re: [PATCH 3/4] mailbox: qcom: Add ipq6018 apcs compatible

[kbuild test robot]

[-- Attachment #1: Type: text/plain, Size: 2169 bytes --]

Hi Sivaprakash,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on robh/for-next]
[also build test WARNING on linus/master v5.7-rc7 next-20200528]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Sivaprakash-Murugesan/Add-ipq6018-apcs-mailbox-driver/20200527-204025
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: x86_64-randconfig-a004-20200528 (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 2d068e534f1671459e1b135852c1b3c10502e929)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>, old ones prefixed by <<):

>> drivers/mailbox/qcom-apcs-ipc-mailbox.c:48:34: warning: unused variable 'apcs_clk_match_table' [-Wunused-const-variable]
static const struct of_device_id apcs_clk_match_table[] = {
^
1 warning generated.

vim +/apcs_clk_match_table +48 drivers/mailbox/qcom-apcs-ipc-mailbox.c

    47	
  > 48	static const struct of_device_id apcs_clk_match_table[] = {
    49		{ .compatible = "qcom,ipq6018-apcs-apps-global", .data = "qcom,apss-ipq6018-clk", },
    50		{ .compatible = "qcom,msm8916-apcs-kpss-global", .data = "qcom-apcs-msm8916-clk", },
    51		{ .compatible = "qcom,qcs404-apcs-apps-global",  .data = "qcom-apcs-msm8916-clk", },
    52		{}
    53	};
    54	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 41054 bytes --]

Re: [PATCH 3/4] mailbox: qcom: Add ipq6018 apcs compatible

[Bjorn Andersson]

On Wed 27 May 05:38 PDT 2020, Sivaprakash Murugesan wrote:

> The Qualcomm ipq6018 has apcs block, add compatible for the same.
> Also, the apcs provides a clock controller functionality similar
> to msm8916 but the clock driver is different.
> 
> Create a child platform device based on the apcs compatible for the
> clock controller functionality.
> 
> Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
> ---
>  drivers/mailbox/qcom-apcs-ipc-mailbox.c | 23 ++++++++++++++---------
>  1 file changed, 14 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/mailbox/qcom-apcs-ipc-mailbox.c b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
> index eeebafd..db3f9518 100644
> --- a/drivers/mailbox/qcom-apcs-ipc-mailbox.c
> +++ b/drivers/mailbox/qcom-apcs-ipc-mailbox.c
> @@ -45,6 +45,13 @@ static const struct mbox_chan_ops qcom_apcs_ipc_ops = {
>  	.send_data = qcom_apcs_ipc_send_data,
>  };
>  
> +static const struct of_device_id apcs_clk_match_table[] = {
> +	{ .compatible = "qcom,ipq6018-apcs-apps-global", .data = "qcom,apss-ipq6018-clk", },
> +	{ .compatible = "qcom,msm8916-apcs-kpss-global", .data = "qcom-apcs-msm8916-clk", },
> +	{ .compatible = "qcom,qcs404-apcs-apps-global",  .data = "qcom-apcs-msm8916-clk", },
> +	{}
> +};
> +
>  static int qcom_apcs_ipc_probe(struct platform_device *pdev)
>  {
>  	struct qcom_apcs_ipc *apcs;
> @@ -54,11 +61,7 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev)
>  	void __iomem *base;
>  	unsigned long i;
>  	int ret;
> -	const struct of_device_id apcs_clk_match_table[] = {
> -		{ .compatible = "qcom,msm8916-apcs-kpss-global", },
> -		{ .compatible = "qcom,qcs404-apcs-apps-global", },
> -		{}
> -	};
> +	const struct of_device_id *clk_device;
>  
>  	apcs = devm_kzalloc(&pdev->dev, sizeof(*apcs), GFP_KERNEL);
>  	if (!apcs)
> @@ -93,11 +96,12 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev)
>  		return ret;
>  	}
>  
> -	if (of_match_device(apcs_clk_match_table, &pdev->dev)) {
> +	clk_device = of_match_device(apcs_clk_match_table, &pdev->dev);

I think you should replace the direct integer in qcom_apcs_ipc_of_match
with a small struct containing offset and the clock device's name -
allowing the latter to be omitted.

That avoids the apcs_clk_match_table being unreferenced when this is
compiled without CONFIG_OF and it removes the need for two of_device_id
arrays.

Regards,
Bjorn

> +	if (clk_device) {
>  		apcs->clk = platform_device_register_data(&pdev->dev,
> -							  "qcom-apcs-msm8916-clk",
> -							  PLATFORM_DEVID_NONE,
> -							  NULL, 0);
> +							clk_device->data,
> +							PLATFORM_DEVID_NONE,
> +							NULL, 0);
>  		if (IS_ERR(apcs->clk))
>  			dev_err(&pdev->dev, "failed to register APCS clk\n");
>  	}
> @@ -126,6 +130,7 @@ static const struct of_device_id qcom_apcs_ipc_of_match[] = {
>  	{ .compatible = "qcom,sc7180-apss-shared", .data = (void *)12 },
>  	{ .compatible = "qcom,sdm845-apss-shared", .data = (void *)12 },
>  	{ .compatible = "qcom,sm8150-apss-shared", .data = (void *)12 },
> +	{ .compatible = "qcom,ipq6018-apcs-apps-global", .data = (void *)8 },
>  	{ .compatible = "qcom,ipq8074-apcs-apps-global", .data = (void *)8 },
>  	{}
>  };
> -- 
> 2.7.4
> 

Re: [PATCH 4/4] arm64: dts: ipq6018: Add support for apcs clk

[kernel test robot]

[-- Attachment #1: Type: text/plain, Size: 1543 bytes --]

Hi Sivaprakash,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on robh/for-next]
[also build test ERROR on linus/master v5.7]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Sivaprakash-Murugesan/Add-ipq6018-apcs-mailbox-driver/20200527-204025
base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
config: arm64-randconfig-r016-20200603 (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 16437992cac249f6fe1efd392d20e3469b47e39e)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: Input tree has errors, aborting (use -f to force output)

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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