clk: renesas: convert drivers over to use subsys_platform_driver()

Reduce boilerplate code in the drivers and convert them over to use
subsys_platform_driver().

Signed-off-by: Brian Masney <bmasney@redhat.com>
Assisted-by: Claude:claude-opus-4-8
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Pankaj Patil <pankaj.patil@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260908-subsys_initcall-v1-4-cbccf4cd4288@redhat.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

4 files changed, 4 insertions, 25 deletions

diff --git a/drivers/clk/renesas/r9a06g032-clocks.c b/drivers/clk/renesas/r9a06g032-clocks.c
index 076f587dfd39..a86ac02a1d9c 100644
--- a/drivers/clk/renesas/r9a06g032-clocks.c
+++ b/drivers/clk/renesas/r9a06g032-clocks.c
@@ -1419,10 +1419,4 @@ static struct platform_driver r9a06g032_clock_driver = {
 	},
 };
 
-static int __init r9a06g032_clocks_init(void)
-{
-	return platform_driver_probe(&r9a06g032_clock_driver,
-			r9a06g032_clocks_probe);
-}
-
-subsys_initcall(r9a06g032_clocks_init);
+subsys_platform_driver_probe(r9a06g032_clock_driver, r9a06g032_clocks_probe);
diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c
index 80f4403ea2ba..87b555e38980 100644
--- a/drivers/clk/renesas/renesas-cpg-mssr.c
+++ b/drivers/clk/renesas/renesas-cpg-mssr.c
@@ -1428,12 +1428,7 @@ static struct platform_driver cpg_mssr_driver = {
 	},
 };
 
-static int __init cpg_mssr_init(void)
-{
-	return platform_driver_probe(&cpg_mssr_driver, cpg_mssr_probe);
-}
-
-subsys_initcall(cpg_mssr_init);
+subsys_platform_driver_probe(cpg_mssr_driver, cpg_mssr_probe);
 
 void __init mssr_mod_nullify(struct mssr_mod_clk *mod_clks,
 			     unsigned int num_mod_clks,
diff --git a/drivers/clk/renesas/rzg2l-cpg.c b/drivers/clk/renesas/rzg2l-cpg.c
index a899c37dd4cd..d1753e0cdab9 100644
--- a/drivers/clk/renesas/rzg2l-cpg.c
+++ b/drivers/clk/renesas/rzg2l-cpg.c
@@ -2230,11 +2230,6 @@ static struct platform_driver rzg2l_cpg_driver = {
 	},
 };
 
-static int __init rzg2l_cpg_init(void)
-{
-	return platform_driver_probe(&rzg2l_cpg_driver, rzg2l_cpg_probe);
-}
-
-subsys_initcall(rzg2l_cpg_init);
+subsys_platform_driver_probe(rzg2l_cpg_driver, rzg2l_cpg_probe);
 
 MODULE_DESCRIPTION("Renesas RZ/G2L CPG Driver");
diff --git a/drivers/clk/renesas/rzv2h-cpg.c b/drivers/clk/renesas/rzv2h-cpg.c
index 917fc737f254..5da8991a6e1d 100644
--- a/drivers/clk/renesas/rzv2h-cpg.c
+++ b/drivers/clk/renesas/rzv2h-cpg.c
@@ -1661,11 +1661,6 @@ static struct platform_driver rzv2h_cpg_driver = {
 	},
 };
 
-static int __init rzv2h_cpg_init(void)
-{
-	return platform_driver_probe(&rzv2h_cpg_driver, rzv2h_cpg_probe);
-}
-
-subsys_initcall(rzv2h_cpg_init);
+subsys_platform_driver_probe(rzv2h_cpg_driver, rzv2h_cpg_probe);
 
 MODULE_DESCRIPTION("Renesas RZ/V2H CPG Driver");