linux-kernel - RE: [PATCH] pinctrl: qcom: fix unintentional string concatenation

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Date:   Wed, 24 Mar 2021 23:11:30 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     'Arnd Bergmann' <arnd@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Nathan Chancellor <nathan@...nel.org>,
        "Nick Desaulniers" <ndesaulniers@...gle.com>,
        Jeevan Shriram <jshriram@...eaurora.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        "Vinod Koul" <vkoul@...nel.org>
CC:     Arnd Bergmann <arnd@...db.de>,
        "linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "clang-built-linux@...glegroups.com" 
        <clang-built-linux@...glegroups.com>
Subject: RE: [PATCH] pinctrl: qcom: fix unintentional string concatenation

From: Arnd Bergmann
> Sent: 23 March 2021 13:17
> clang is clearly correct to point out a typo in a silly
> array of strings:
> 
> drivers/pinctrl/qcom/pinctrl-sdx55.c:426:61: error: suspicious concatenation of string literals in an
> array initialization; did you mean to separate the elements with a comma? [-Werror,-Wstring-
> concatenation]
>         "gpio14", "gpio15", "gpio16", "gpio17", "gpio18", "gpio19" "gpio20", "gpio21", "gpio22",
>                                                                    ^
> Add the missing comma that must have accidentally been removed.
> 
> Fixes: ac43c44a7a37 ("pinctrl: qcom: Add SDX55 pincontrol driver")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  drivers/pinctrl/qcom/pinctrl-sdx55.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/pinctrl/qcom/pinctrl-sdx55.c b/drivers/pinctrl/qcom/pinctrl-sdx55.c
> index 2b5b0e2b03ad..5aaf57b40407 100644
> --- a/drivers/pinctrl/qcom/pinctrl-sdx55.c
> +++ b/drivers/pinctrl/qcom/pinctrl-sdx55.c
> @@ -423,7 +423,7 @@ static const char * const gpio_groups[] = {
> 
>  static const char * const qdss_stm_groups[] = {
>  	"gpio0", "gpio1", "gpio2", "gpio3", "gpio4", "gpio5", "gpio6", "gpio7", "gpio12", "gpio13",
> -	"gpio14", "gpio15", "gpio16", "gpio17", "gpio18", "gpio19" "gpio20", "gpio21", "gpio22",
> +	"gpio14", "gpio15", "gpio16", "gpio17", "gpio18", "gpio19", "gpio20", "gpio21", "gpio22",
>  	"gpio23", "gpio44", "gpio45", "gpio52", "gpio53", "gpio56", "gpio57", "gpio61", "gpio62",
>  	"gpio63", "gpio64", "gpio65", "gpio66",


That may be replaceable with:
static const char qdss_stm_groups[][8] = { .... };

For a code and data size reduction.

	David

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