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Thu, 24 Apr 2025 23:54:53 -0700 (PDT) Received: from [192.168.1.29] ([178.197.207.88]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-440a52f8915sm14369405e9.7.2025.04.24.23.54.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Apr 2025 23:54:52 -0700 (PDT) From: Krzysztof Kozlowski Date: Fri, 25 Apr 2025 08:54:37 +0200 Subject: [PATCH 1/5] cdx: Enable compile testing Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250425-cdx-clean-v1-1-ea2002dd400d@linaro.org> References: <20250425-cdx-clean-v1-0-ea2002dd400d@linaro.org> In-Reply-To: <20250425-cdx-clean-v1-0-ea2002dd400d@linaro.org> To: Nipun Gupta , Nikhil Agarwal , Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=766; i=krzysztof.kozlowski@linaro.org; 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Signed-off-by: Krzysztof Kozlowski --- drivers/cdx/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/cdx/Kconfig b/drivers/cdx/Kconfig index a08958485e316a1a3e00390d90c7a9eaa518d0e8..1f1e360507d7d5c33671c601534= e82f2d4de0424 100644 --- a/drivers/cdx/Kconfig +++ b/drivers/cdx/Kconfig @@ -7,7 +7,7 @@ =20 config CDX_BUS bool "CDX Bus driver" - depends on OF && ARM64 + depends on OF && ARM64 || COMPILE_TEST help Driver to enable Composable DMA Transfer(CDX) Bus. 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Signed-off-by: Krzysztof Kozlowski --- drivers/cdx/controller/cdx_controller.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/cdx/controller/cdx_controller.c b/drivers/cdx/controll= er/cdx_controller.c index d623f9c7517a86c06082c0db348688e7f33b7be6..3df35833f0e0a994af0606eee0d= c1dfc9c7c22f9 100644 --- a/drivers/cdx/controller/cdx_controller.c +++ b/drivers/cdx/controller/cdx_controller.c @@ -195,15 +195,13 @@ static int xlnx_cdx_probe(struct platform_device *pde= v) /* Create MSI domain */ cdx->msi_domain =3D cdx_msi_domain_init(&pdev->dev); if (!cdx->msi_domain) { - dev_err(&pdev->dev, "cdx_msi_domain_init() failed"); - ret =3D -ENODEV; + ret =3D dev_err_probe(&pdev->dev, -ENODEV, "cdx_msi_domain_init() failed= "); goto cdx_msi_fail; } =20 ret =3D cdx_setup_rpmsg(pdev); if (ret) { - if (ret !=3D -EPROBE_DEFER) - dev_err(&pdev->dev, "Failed to register CDX RPMsg transport\n"); + dev_err_probe(&pdev->dev, ret, "Failed to register CDX RPMsg transport\n= "); 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Printing "hey I probed" is not useful and kernel already gives mechanism to investigate that (e.g. sysfs, tracing, initcall debug). Signed-off-by: Krzysztof Kozlowski --- drivers/cdx/controller/cdx_controller.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/cdx/controller/cdx_controller.c b/drivers/cdx/controll= er/cdx_controller.c index 3df35833f0e0a994af0606eee0dc1dfc9c7c22f9..fce90926d3378ae60166426cbf8= e4a4fe014af86 100644 --- a/drivers/cdx/controller/cdx_controller.c +++ b/drivers/cdx/controller/cdx_controller.c @@ -205,7 +205,6 @@ static int xlnx_cdx_probe(struct platform_device *pdev) goto cdx_rpmsg_fail; } =20 - dev_info(&pdev->dev, "Successfully registered CDX controller with RPMsg a= s transport\n"); return 0; =20 cdx_rpmsg_fail: --=20 2.45.2 From nobody Sat Feb 7 23:10:51 2026 Received: from mail-wr1-f53.google.com (mail-wr1-f53.google.com [209.85.221.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6C26822DF9F for ; Fri, 25 Apr 2025 06:54:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Replace standard platform_driver_register() boilerplate with module_platform_driver() to make code smaller. Signed-off-by: Krzysztof Kozlowski --- drivers/cdx/controller/cdx_controller.c | 20 +------------------- 1 file changed, 1 insertion(+), 19 deletions(-) diff --git a/drivers/cdx/controller/cdx_controller.c b/drivers/cdx/controll= er/cdx_controller.c index fce90926d3378ae60166426cbf8e4a4fe014af86..fca83141e3e66e68e6916077833= db2b7d816395f 100644 --- a/drivers/cdx/controller/cdx_controller.c +++ b/drivers/cdx/controller/cdx_controller.c @@ -243,31 +243,13 @@ MODULE_DEVICE_TABLE(of, cdx_match_table); static struct platform_driver cdx_pdriver =3D { .driver =3D { .name =3D "cdx-controller", - .pm =3D NULL, .of_match_table =3D cdx_match_table, }, .probe =3D xlnx_cdx_probe, .remove =3D xlnx_cdx_remove, }; =20 -static int __init cdx_controller_init(void) -{ - int ret; - - ret =3D platform_driver_register(&cdx_pdriver); - if (ret) - pr_err("platform_driver_register() failed: %d\n", ret); - - return ret; -} - -static void __exit cdx_controller_exit(void) -{ - platform_driver_unregister(&cdx_pdriver); 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Patches for CDX bus drivers are applied by Greg Kroah-Hartman, so list him in the maintainers entry because otherwise contributors would be surprised their patches got lost. Signed-off-by: Krzysztof Kozlowski --- MAINTAINERS | 1 + 1 file changed, 1 insertion(+) diff --git a/MAINTAINERS b/MAINTAINERS index b2c3be5f6131432647dd01f22bbf4bf1c8bde9e6..505d7d45ad7d1c007e89a555264= ff8cbeaf6e1f4 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1008,6 +1008,7 @@ F: Documentation/devicetree/bindings/w1/amd,axi-1wire= -host.yaml F: drivers/w1/masters/amd_axi_w1.c =20 AMD CDX BUS DRIVER +M: Greg Kroah-Hartman M: Nipun Gupta M: Nikhil Agarwal S: Maintained --=20 2.45.2