Message ID | 20231222165355.1462740-3-peter.griffin@linaro.org |
---|---|
State | New |
Headers | show |
Series | Enable Multi Core Timer (MCT) for gs101 | expand |
On Fri, 22 Dec 2023 16:53:54 +0000, Peter Griffin wrote: > 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. > > [...] Applied, thanks! [2/3] clk: samsung: gs101: register cmu_misc clocks early https://git.kernel.org/krzk/linux/c/163cd42fc49081964e0fc6f0b1e94b6b50eb85f5 Best regards,
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, }, { }, };
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@linaro.org> --- drivers/clk/samsung/clk-gs101.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-)