linux-kernel - [PATCH RFC/RFT 08/12] clk: samsung: exynos990: Use platform_driver_probe() to avoid _

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Message-Id: <20250305-clk-samsung-ref-init-data-v1-8-a4e03a019306@linaro.org>
Date: Wed, 05 Mar 2025 22:43:43 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Krzysztof Kozlowski <krzk@...nel.org>, 
 Sylwester Nawrocki <s.nawrocki@...sung.com>, 
 Chanwoo Choi <cw00.choi@...sung.com>, Alim Akhtar <alim.akhtar@...sung.com>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Sam Protsenko <semen.protsenko@...aro.org>, 
 Peter Griffin <peter.griffin@...aro.org>, 
 André Draszik <andre.draszik@...aro.org>, 
 Tudor Ambarus <tudor.ambarus@...aro.org>
Cc: linux-samsung-soc@...r.kernel.org, linux-clk@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH RFC/RFT 08/12] clk: samsung: exynos990: Use
 platform_driver_probe() to avoid __refdata

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 <krzysztof.kozlowski@...aro.org>
---
 drivers/clk/samsung/clk-exynos990.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/clk/samsung/clk-exynos990.c b/drivers/clk/samsung/clk-exynos990.c
index 76f22a4a4631fadf400420b977f3f59f40f840c7..d00050d8765f25042698cbe6bfa06623931c7414 100644
--- a/drivers/clk/samsung/clk-exynos990.c
+++ b/drivers/clk/samsung/clk-exynos990.c
@@ -1504,18 +1504,17 @@ static const struct of_device_id exynos990_cmu_of_match[] = {
 	{ },
 };
 
-static struct platform_driver exynos990_cmu_driver __refdata = {
+static struct platform_driver exynos990_cmu_driver __initdata = {
 	.driver	= {
 		.name = "exynos990-cmu",
 		.of_match_table = exynos990_cmu_of_match,
 		.suppress_bind_attrs = true,
 	},
-	.probe = exynos990_cmu_probe,
 };
 
 static int __init exynos990_cmu_init(void)
 {
-	return platform_driver_register(&exynos990_cmu_driver);
+	return platform_driver_probe(&exynos990_cmu_driver, exynos990_cmu_probe);
 }
 
-core_initcall(exynos990_cmu_init);
+subsys_initcall(exynos990_cmu_init);

-- 
2.43.0