[PATCH v2 01/19] clk: meson: introduce meson-clkc-utils
Neil Armstrong
neil.armstrong at linaro.org
Mon Jul 17 05:21:55 PDT 2023
On 12/07/2023 14:03, Jerome Brunet wrote:
>
> On Mon 12 Jun 2023 at 11:57, Neil Armstrong <neil.armstrong at linaro.org> wrote:
>
>> Let's introduce a new module called meson-clkc-utils that
>> will contain shared utility functions for all Amlogic clock
>> controller drivers.
>>
>> The first utility function is a replacement of of_clk_hw_onecell_get
>> in order to get rid of the NR_CLKS define in all Amlogic clock
>> drivers.
>>
>> The goal is to move all duplicate probe and init code in this module.
>>
>> Signed-off-by: Neil Armstrong <neil.armstrong at linaro.org>
>
> Hi Neil,
>
> checkpatch complains about the MODULE_LICENSE()
>
> WARNING: Prefer "GPL" over "GPL v2" - see commit bf7fbeeae6db ("module: Cure the MODULE_LICENSE "GPL" vs. "GPL v2" bogosity")
> #185: FILE: drivers/clk/meson/meson-clkc-utils.c:25:
> +MODULE_LICENSE("GPL v2");
Damn, sorry for that
>
> I don't mind fixing this up while applying if it is Ok with you.
>
Yes please, I'm OoO and won't be able to send a v3 soonish.
Thanks,
Neil
>> ---
>> drivers/clk/meson/Kconfig | 3 +++
>> drivers/clk/meson/Makefile | 1 +
>> drivers/clk/meson/meson-clkc-utils.c | 25 +++++++++++++++++++++++++
>> drivers/clk/meson/meson-clkc-utils.h | 19 +++++++++++++++++++
>> 4 files changed, 48 insertions(+)
>>
>> diff --git a/drivers/clk/meson/Kconfig b/drivers/clk/meson/Kconfig
>> index 8ce846fdbe43..d03adad31318 100644
>> --- a/drivers/clk/meson/Kconfig
>> +++ b/drivers/clk/meson/Kconfig
>> @@ -30,6 +30,9 @@ config COMMON_CLK_MESON_VID_PLL_DIV
>> tristate
>> select COMMON_CLK_MESON_REGMAP
>>
>> +config COMMON_CLK_MESON_CLKC_UTILS
>> + tristate
>> +
>> config COMMON_CLK_MESON_AO_CLKC
>> tristate
>> select COMMON_CLK_MESON_REGMAP
>> diff --git a/drivers/clk/meson/Makefile b/drivers/clk/meson/Makefile
>> index d5288662881d..cd961cc4f4db 100644
>> --- a/drivers/clk/meson/Makefile
>> +++ b/drivers/clk/meson/Makefile
>> @@ -1,6 +1,7 @@
>> # SPDX-License-Identifier: GPL-2.0-only
>> # Amlogic clock drivers
>>
>> +obj-$(CONFIG_COMMON_CLK_MESON_CLKC_UTILS) += meson-clkc-utils.o
>> obj-$(CONFIG_COMMON_CLK_MESON_AO_CLKC) += meson-aoclk.o
>> obj-$(CONFIG_COMMON_CLK_MESON_CPU_DYNDIV) += clk-cpu-dyndiv.o
>> obj-$(CONFIG_COMMON_CLK_MESON_DUALDIV) += clk-dualdiv.o
>> diff --git a/drivers/clk/meson/meson-clkc-utils.c b/drivers/clk/meson/meson-clkc-utils.c
>> new file mode 100644
>> index 000000000000..9a0620bcc161
>> --- /dev/null
>> +++ b/drivers/clk/meson/meson-clkc-utils.c
>> @@ -0,0 +1,25 @@
>> +// SPDX-License-Identifier: GPL-2.0+
>> +/*
>> + * Copyright (c) 2023 Neil Armstrong <neil.armstrong at linaro.org>
>> + */
>> +
>> +#include <linux/of_device.h>
>> +#include <linux/clk-provider.h>
>> +#include <linux/module.h>
>> +#include "meson-clkc-utils.h"
>> +
>> +struct clk_hw *meson_clk_hw_get(struct of_phandle_args *clkspec, void *clk_hw_data)
>> +{
>> + const struct meson_clk_hw_data *data = clk_hw_data;
>> + unsigned int idx = clkspec->args[0];
>> +
>> + if (idx >= data->num) {
>> + pr_err("%s: invalid index %u\n", __func__, idx);
>> + return ERR_PTR(-EINVAL);
>> + }
>> +
>> + return data->hws[idx];
>> +}
>> +EXPORT_SYMBOL_GPL(meson_clk_hw_get);
>> +
>> +MODULE_LICENSE("GPL v2");
>> diff --git a/drivers/clk/meson/meson-clkc-utils.h b/drivers/clk/meson/meson-clkc-utils.h
>> new file mode 100644
>> index 000000000000..fe6f40728949
>> --- /dev/null
>> +++ b/drivers/clk/meson/meson-clkc-utils.h
>> @@ -0,0 +1,19 @@
>> +/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
>> +/*
>> + * Copyright (c) 2023 Neil Armstrong <neil.armstrong at linaro.org>
>> + */
>> +
>> +#ifndef __MESON_CLKC_UTILS_H__
>> +#define __MESON_CLKC_UTILS_H__
>> +
>> +#include <linux/of_device.h>
>> +#include <linux/clk-provider.h>
>> +
>> +struct meson_clk_hw_data {
>> + struct clk_hw **hws;
>> + unsigned int num;
>> +};
>> +
>> +struct clk_hw *meson_clk_hw_get(struct of_phandle_args *clkspec, void *clk_hw_data);
>> +
>> +#endif
>
More information about the linux-amlogic
mailing list