[PATCH 2/3] clk: samsung: gs101: register cmu_misc clocks early

From: Peter Griffin
Date: Fri Dec 22 2023 - 11:55:25 EST


Update cmu_misc so it is registered early, as it contains
the gate which clocks the Multi Core Timer (MCT). This clock
is required early in boot, otherwise exynos_mct will fail
obtaining the clock.

Note this wasn't previously an issue as exynos_mct wasn't
enabled.

Signed-off-by: Peter Griffin <peter.griffin@xxxxxxxxxx>
---
drivers/clk/samsung/clk-gs101.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/clk/samsung/clk-gs101.c b/drivers/clk/samsung/clk-gs101.c
index 0964bb11657f..590119a25c18 100644
--- a/drivers/clk/samsung/clk-gs101.c
+++ b/drivers/clk/samsung/clk-gs101.c
@@ -2478,6 +2478,15 @@ static const struct samsung_cmu_info misc_cmu_info __initconst = {
.clk_name = "dout_cmu_misc_bus",
};

+static void __init gs101_cmu_misc_init(struct device_node *np)
+{
+ exynos_arm64_register_cmu(NULL, np, &misc_cmu_info);
+}
+
+/* Register CMU_MISC early, as it's needed for MCT timer */
+CLK_OF_DECLARE(gs101_cmu_misc, "google,gs101-cmu-misc",
+ gs101_cmu_misc_init);
+
/* ---- platform_driver ----------------------------------------------------- */

static int __init gs101_cmu_probe(struct platform_device *pdev)
@@ -2495,9 +2504,6 @@ static const struct of_device_id gs101_cmu_of_match[] = {
{
.compatible = "google,gs101-cmu-apm",
.data = &apm_cmu_info,
- }, {
- .compatible = "google,gs101-cmu-misc",
- .data = &misc_cmu_info,
}, {
},
};
--
2.43.0.472.g3155946c3a-goog