linux-kernel - Re: [PATCH] clk: Avoid invalid function names in CLK_OF

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Message-ID: <6b9cbb2be5ec087773290af9538f8488.sboyd@kernel.org>
Date:   Thu, 09 Mar 2023 15:39:04 -0800
From:   Stephen Boyd <sboyd@...nel.org>
To:     Nathan Chancellor <nathan@...nel.org>, mturquette@...libre.com
Cc:     linus.walleij@...aro.org, saravanak@...gle.com,
        linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
        Nathan Chancellor <nathan@...nel.org>
Subject: Re: [PATCH] clk: Avoid invalid function names in CLK_OF_DECLARE()

Quoting Nathan Chancellor (2023-03-08 12:47:11)
> After commit c28cd1f3433c ("clk: Mark a fwnode as initialized when using
> CLK_OF_DECLARE() macro"), drivers/clk/mvebu/kirkwood.c fails to build:
> 
>  drivers/clk/mvebu/kirkwood.c:358:1: error: expected identifier or '('
>  CLK_OF_DECLARE(98dx1135_clk, "marvell,mv98dx1135-core-clock",
>  ^
>  include/linux/clk-provider.h:1367:21: note: expanded from macro 'CLK_OF_DECLARE'
>          static void __init name##_of_clk_init_declare(struct device_node *np) \
>                             ^
>  <scratch space>:124:1: note: expanded from here
>  98dx1135_clk_of_clk_init_declare
>  ^
>  drivers/clk/mvebu/kirkwood.c:358:1: error: invalid digit 'd' in decimal constant
>  include/linux/clk-provider.h:1372:34: note: expanded from macro 'CLK_OF_DECLARE'
>          OF_DECLARE_1(clk, name, compat, name##_of_clk_init_declare)
>                                          ^
>  <scratch space>:125:3: note: expanded from here
>  98dx1135_clk_of_clk_init_declare
>    ^
>  drivers/clk/mvebu/kirkwood.c:358:1: error: invalid digit 'd' in decimal constant
>  include/linux/clk-provider.h:1372:34: note: expanded from macro 'CLK_OF_DECLARE'
>          OF_DECLARE_1(clk, name, compat, name##_of_clk_init_declare)
>                                          ^
>  <scratch space>:125:3: note: expanded from here
>  98dx1135_clk_of_clk_init_declare
>    ^
>  drivers/clk/mvebu/kirkwood.c:358:1: error: invalid digit 'd' in decimal constant
>  include/linux/clk-provider.h:1372:34: note: expanded from macro 'CLK_OF_DECLARE'
>          OF_DECLARE_1(clk, name, compat, name##_of_clk_init_declare)
>                                          ^
>  <scratch space>:125:3: note: expanded from here
>  98dx1135_clk_of_clk_init_declare
>    ^
> 
> C function names must start with either an alphabetic letter or an
> underscore. To avoid generating invalid function names from clock names,
> add two underscores to the beginning of the identifier.
> 
> Fixes: c28cd1f3433c ("clk: Mark a fwnode as initialized when using CLK_OF_DECLARE() macro")
> Suggested-by: Saravana Kannan <saravanak@...gle.com>
> Signed-off-by: Nathan Chancellor <nathan@...nel.org>
> ---

Applied to clk-fixes