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Wed, 05 Mar 2025 13:44:06 -0800 (PST) Received: from [127.0.1.1] ([178.197.206.225]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-390e4796517sm21954802f8f.5.2025.03.05.13.44.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Mar 2025 13:44:05 -0800 (PST) From: Krzysztof Kozlowski Date: Wed, 05 Mar 2025 22:43:36 +0100 Subject: [PATCH RFC/RFT 01/12] clk: samsung: exynos2200: Use platform_driver_probe() to avoid __refdata Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250305-clk-samsung-ref-init-data-v1-1-a4e03a019306@linaro.org> References: <20250305-clk-samsung-ref-init-data-v1-0-a4e03a019306@linaro.org> In-Reply-To: <20250305-clk-samsung-ref-init-data-v1-0-a4e03a019306@linaro.org> To: Krzysztof Kozlowski , Sylwester Nawrocki , Chanwoo Choi , Alim Akhtar , Michael Turquette , Stephen Boyd , Sam Protsenko , Peter Griffin , =?utf-8?q?Andr=C3=A9_Draszik?= , Tudor Ambarus Cc: linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Switch registering platform driver to platform_driver_probe(), so the 'struct platform_driver' can be properly discarded after init and there won't be need of __refdata to silence DEBUG_SECTION_MISMATCH. The change requires using subsys_initcall instead of core_initcall, because no device drivers would bound in the latter, as required by platform_driver_probe(). Signed-off-by: Krzysztof Kozlowski --- Testing needed. My initial tests on Exynos5422 lead to weird, unrelated oopses, probably because of multiple exynos5-subcmu devices. Not sure if applicable here, but change of initcal might have actual impact. --- drivers/clk/samsung/clk-exynos2200.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/clk/samsung/clk-exynos2200.c b/drivers/clk/samsung/clk-exynos2200.c index 151bdb35a46c42d0b50f48d47974065a892bbb5f..f1251d4f01781fd503f24189cc53b23e627ab5e1 100644 --- a/drivers/clk/samsung/clk-exynos2200.c +++ b/drivers/clk/samsung/clk-exynos2200.c @@ -3912,17 +3912,16 @@ static const struct of_device_id exynos2200_cmu_of_match[] = { }, { } }; -static struct platform_driver exynos2200_cmu_driver __refdata = { +static struct platform_driver exynos2200_cmu_driver __initdata = { .driver = { .name = "exynos2200-cmu", .of_match_table = exynos2200_cmu_of_match, .suppress_bind_attrs = true, }, - .probe = exynos2200_cmu_probe, }; static int __init exynos2200_cmu_init(void) { - return platform_driver_register(&exynos2200_cmu_driver); + return platform_driver_probe(&exynos2200_cmu_driver, exynos2200_cmu_probe); 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Wed, 05 Mar 2025 13:44:12 -0800 (PST) Received: from [127.0.1.1] ([178.197.206.225]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-390e4796517sm21954802f8f.5.2025.03.05.13.44.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Mar 2025 13:44:11 -0800 (PST) From: Krzysztof Kozlowski Date: Wed, 05 Mar 2025 22:43:38 +0100 Subject: [PATCH RFC/RFT 03/12] clk: samsung: exynos5433: Use platform_driver_probe() to avoid __refdata Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250305-clk-samsung-ref-init-data-v1-3-a4e03a019306@linaro.org> References: <20250305-clk-samsung-ref-init-data-v1-0-a4e03a019306@linaro.org> In-Reply-To: <20250305-clk-samsung-ref-init-data-v1-0-a4e03a019306@linaro.org> To: Krzysztof Kozlowski , Sylwester Nawrocki , Chanwoo Choi , Alim Akhtar , Michael Turquette , Stephen Boyd , Sam Protsenko , Peter Griffin , =?utf-8?q?Andr=C3=A9_Draszik?= , Tudor Ambarus Cc: linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Switch registering platform driver to platform_driver_probe(), so the 'struct platform_driver' can be properly discarded after init and there won't be need of __refdata to silence DEBUG_SECTION_MISMATCH. The change requires using subsys_initcall instead of core_initcall, because no device drivers would bound in the latter, as required by platform_driver_probe(). Signed-off-by: Krzysztof Kozlowski --- drivers/clk/samsung/clk-exynos5433.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c index 609d31a7aa5247e6318884609d1e651001616b73..d18b4f7b96b66e48fb94b86b663443ec691e968d 100644 --- a/drivers/clk/samsung/clk-exynos5433.c +++ b/drivers/clk/samsung/clk-exynos5433.c @@ -5555,18 +5555,17 @@ static const struct dev_pm_ops exynos5433_cmu_pm_ops = { pm_runtime_force_resume) }; -static struct platform_driver exynos5433_cmu_driver __refdata = { +static struct platform_driver exynos5433_cmu_driver __initdata = { .driver = { .name = "exynos5433-cmu", .of_match_table = exynos5433_cmu_of_match, .suppress_bind_attrs = true, .pm = &exynos5433_cmu_pm_ops, }, - .probe = exynos5433_cmu_probe, }; static int __init exynos5433_cmu_init(void) { - return platform_driver_register(&exynos5433_cmu_driver); + return platform_driver_probe(&exynos5433_cmu_driver, exynos5433_cmu_probe); 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Switch registering platform driver to platform_driver_probe(), so the 'struct platform_driver' can be properly discarded after init and there won't be need of __refdata to silence DEBUG_SECTION_MISMATCH. The change requires using subsys_initcall instead of core_initcall, because no device drivers would bound in the latter, as required by platform_driver_probe(). Signed-off-by: Krzysztof Kozlowski --- drivers/clk/samsung/clk-exynos7885.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/clk/samsung/clk-exynos7885.c b/drivers/clk/samsung/clk-exynos7885.c index fc42251731edb6f8368d38638179056f8bc58335..0066c89e3515b852c7c6265322f8a1dc07af57ad 100644 --- a/drivers/clk/samsung/clk-exynos7885.c +++ b/drivers/clk/samsung/clk-exynos7885.c @@ -832,17 +832,16 @@ static const struct of_device_id exynos7885_cmu_of_match[] = { }, }; -static struct platform_driver exynos7885_cmu_driver __refdata = { +static struct platform_driver exynos7885_cmu_driver __initdata = { .driver = { .name = "exynos7885-cmu", .of_match_table = exynos7885_cmu_of_match, .suppress_bind_attrs = true, }, - .probe = exynos7885_cmu_probe, }; static int __init exynos7885_cmu_init(void) { - return platform_driver_register(&exynos7885_cmu_driver); + return platform_driver_probe(&exynos7885_cmu_driver, exynos7885_cmu_probe); } -core_initcall(exynos7885_cmu_init); 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Wed, 05 Mar 2025 13:44:22 -0800 (PST) Received: from [127.0.1.1] ([178.197.206.225]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-390e4796517sm21954802f8f.5.2025.03.05.13.44.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Mar 2025 13:44:21 -0800 (PST) From: Krzysztof Kozlowski Date: Wed, 05 Mar 2025 22:43:42 +0100 Subject: [PATCH RFC/RFT 07/12] clk: samsung: exynos8895: Use platform_driver_probe() to avoid __refdata Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250305-clk-samsung-ref-init-data-v1-7-a4e03a019306@linaro.org> References: <20250305-clk-samsung-ref-init-data-v1-0-a4e03a019306@linaro.org> In-Reply-To: <20250305-clk-samsung-ref-init-data-v1-0-a4e03a019306@linaro.org> To: Krzysztof Kozlowski , Sylwester Nawrocki , Chanwoo Choi , Alim Akhtar , Michael Turquette , Stephen Boyd , Sam Protsenko , Peter Griffin , =?utf-8?q?Andr=C3=A9_Draszik?= , Tudor Ambarus Cc: linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Switch registering platform driver to platform_driver_probe(), so the 'struct platform_driver' can be properly discarded after init and there won't be need of __refdata to silence DEBUG_SECTION_MISMATCH. The change requires using subsys_initcall instead of core_initcall, because no device drivers would bound in the latter, as required by platform_driver_probe(). Signed-off-by: Krzysztof Kozlowski --- drivers/clk/samsung/clk-exynos8895.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/clk/samsung/clk-exynos8895.c b/drivers/clk/samsung/clk-exynos8895.c index 29ec0c4a863524fe3fc5c223d762da87e5f13013..6b85d917871d20fd3a3f6768937eb5694760ffd2 100644 --- a/drivers/clk/samsung/clk-exynos8895.c +++ b/drivers/clk/samsung/clk-exynos8895.c @@ -2787,17 +2787,16 @@ static const struct of_device_id exynos8895_cmu_of_match[] = { { } }; -static struct platform_driver exynos8895_cmu_driver __refdata = { +static struct platform_driver exynos8895_cmu_driver __initdata = { .driver = { .name = "exynos8895-cmu", .of_match_table = exynos8895_cmu_of_match, .suppress_bind_attrs = true, }, - .probe = exynos8895_cmu_probe, }; static int __init exynos8895_cmu_init(void) { - return platform_driver_register(&exynos8895_cmu_driver); + return platform_driver_probe(&exynos8895_cmu_driver, exynos8895_cmu_probe); } -core_initcall(exynos8895_cmu_init); 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Switch registering platform driver to platform_driver_probe(), so the 'struct platform_driver' can be properly discarded after init and there won't be need of __refdata to silence DEBUG_SECTION_MISMATCH. The change requires using subsys_initcall instead of core_initcall, because no device drivers would bound in the latter, as required by platform_driver_probe(). Signed-off-by: Krzysztof Kozlowski --- drivers/clk/samsung/clk-exynosautov9.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/clk/samsung/clk-exynosautov9.c b/drivers/clk/samsung/clk-exynosautov9.c index 5971e680e566336ecdf55bdccacc3cea09a33201..627f3d2666740fc4cba205e6e2da65f53b8df186 100644 --- a/drivers/clk/samsung/clk-exynosautov9.c +++ b/drivers/clk/samsung/clk-exynosautov9.c @@ -2190,17 +2190,16 @@ static const struct of_device_id exynosautov9_cmu_of_match[] = { }, }; -static struct platform_driver exynosautov9_cmu_driver __refdata = { +static struct platform_driver exynosautov9_cmu_driver __initdata = { .driver = { .name = "exynosautov9-cmu", .of_match_table = exynosautov9_cmu_of_match, .suppress_bind_attrs = true, }, - .probe = exynosautov9_cmu_probe, }; static int __init exynosautov9_cmu_init(void) { - return platform_driver_register(&exynosautov9_cmu_driver); + return platform_driver_probe(&exynosautov9_cmu_driver, exynosautov9_cmu_probe); } core_initcall(exynosautov9_cmu_init); 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Wed, 05 Mar 2025 13:44:28 -0800 (PST) Received: from [127.0.1.1] ([178.197.206.225]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-390e4796517sm21954802f8f.5.2025.03.05.13.44.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 Mar 2025 13:44:27 -0800 (PST) From: Krzysztof Kozlowski Date: Wed, 05 Mar 2025 22:43:46 +0100 Subject: [PATCH RFC/RFT 11/12] clk: samsung: fsd: Use platform_driver_probe() to avoid __refdata Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250305-clk-samsung-ref-init-data-v1-11-a4e03a019306@linaro.org> References: <20250305-clk-samsung-ref-init-data-v1-0-a4e03a019306@linaro.org> In-Reply-To: <20250305-clk-samsung-ref-init-data-v1-0-a4e03a019306@linaro.org> To: Krzysztof Kozlowski , Sylwester Nawrocki , Chanwoo Choi , Alim Akhtar , Michael Turquette , Stephen Boyd , Sam Protsenko , Peter Griffin , =?utf-8?q?Andr=C3=A9_Draszik?= , Tudor Ambarus Cc: linux-samsung-soc@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Krzysztof Kozlowski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=9BD07E0E0C51F8D59677B7541B93437D3B41629B Switch registering platform driver to platform_driver_probe(), so the 'struct platform_driver' can be properly discarded after init and there won't be need of __refdata to silence DEBUG_SECTION_MISMATCH. The change requires using subsys_initcall instead of core_initcall, because no device drivers would bound in the latter, as required by platform_driver_probe(). Signed-off-by: Krzysztof Kozlowski --- drivers/clk/samsung/clk-fsd.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/clk/samsung/clk-fsd.c b/drivers/clk/samsung/clk-fsd.c index 9a6006c298c2a80da0e29aeca3b09cc827caac0c..bc0287c780bfe3a68a38f53f554440b3000b1ca7 100644 --- a/drivers/clk/samsung/clk-fsd.c +++ b/drivers/clk/samsung/clk-fsd.c @@ -1794,17 +1794,16 @@ static const struct of_device_id fsd_cmu_of_match[] = { }, }; -static struct platform_driver fsd_cmu_driver __refdata = { +static struct platform_driver fsd_cmu_driver __initdata = { .driver = { .name = "fsd-cmu", .of_match_table = fsd_cmu_of_match, .suppress_bind_attrs = true, }, - .probe = fsd_cmu_probe, }; static int __init fsd_cmu_init(void) { - return platform_driver_register(&fsd_cmu_driver); + return platform_driver_probe(&fsd_cmu_driver, fsd_cmu_probe); } -core_initcall(fsd_cmu_init); +subsys_initcall(fsd_cmu_init);