Re: [PATCH v2] clk: mediatek: Fix all warnings for missing struct clk_onecell_data

From: Stephen Boyd
Date: Tue Dec 26 2017 - 20:16:14 EST


On 12/25, sean.wang@xxxxxxxxxxxx wrote:
> From: Sean Wang <sean.wang@xxxxxxxxxxxx>
>
> Even though the header file linux/clk-provider.h is already being properly
> included in clk-mtk.h, the definition of struct clk_onecell_data still
> must depend on CONFIG_COMMON_CLK defined and thus it's possible that
> below build warnings occur when CONFIG_COMMON_CLK is not being selected.
>
> Therefore, these functions which need struct clk_onecell_data without
> declaring that structure first requires simply declaring that this struct
> exists prior to referencing it in clk-mtk.h
>
> Changes from v1->v2:
> enhance v1 based on two useful solutions Jean Delvare kindly suggested.
>
> All warnings (new ones prefixed by >>):
>
> In file included from drivers/clk/mediatek/reset.c:22:0:
> >>drivers/clk/mediatek/clk-mtk.h:44:19: warning: 'struct clk_onecell_data'
> declared inside parameter list will not be visible outside of
> this definition or declaration
> int num, struct clk_onecell_data *clk_data);
> ^~~~~~~~~~~~~~~~
> drivers/clk/mediatek/clk-mtk.h:63:19: warning: 'struct clk_onecell_data'
> declared inside parameter list will not be visible outside of
> this definition or declaration
> int num, struct clk_onecell_data *clk_data);
> ^~~~~~~~~~~~~~~~
> drivers/clk/mediatek/clk-mtk.h:145:10: warning: 'struct clk_onecell_data'
> declared inside parameter list will not be visible outside of
> this definition or declaration
> struct clk_onecell_data *clk_data);
> ^~~~~~~~~~~~~~~~
> drivers/clk/mediatek/clk-mtk.h:164:11: warning: 'struct clk_onecell_data'
> declared inside parameter list will not be visible outside of
> this definition or declaration
> struct clk_onecell_data *clk_data);
> ^~~~~~~~~~~~~~~~
> drivers/clk/mediatek/clk-mtk.h:190:12: warning: 'struct clk_onecell_data'
> declared inside parameter list will not be visible outside of this
> definition or declaration
> struct clk_onecell_data *clk_data);
> ^~~~~~~~~~~~~~~~
>
> Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx>
> Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
> Cc: kbuild-all@xxxxxx
> Cc: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
> Cc: Jean Delvare <jdelvare@xxxxxxx>
> Cc: linux-clk@xxxxxxxxxxxxxxx
> ---

Applied to clk-next

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