linux-kernel - Re: [PATCH v1 3/3] regmap: spi-avmm: Use swabXX

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Date:   Thu, 1 Sep 2022 00:19:22 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     kernel test robot <lkp@...el.com>
Cc:     Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org,
        llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH v1 3/3] regmap: spi-avmm: Use swabXX_array() helpers

On Thu, Sep 01, 2022 at 04:12:01AM +0800, kernel test robot wrote:

...

>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/base/
> 
> If you fix the issue, kindly add following tag where applicable
> Reported-by: kernel test robot <lkp@...el.com>
> 
> All errors (new ones prefixed by >>):

Indeed, I compiled only first two patches on x86.

> >> drivers/base/regmap/regmap-spi-avmm.c:171:15: error: incompatible pointer types passing 'char *' to parameter of type 'u32 *' (aka 'unsigned int *') [-Werror,-Wincompatible-pointer-types]
>            swab32_array(buf, len / 4);
>                         ^~~
>    include/linux/swab.h:32:38: note: passing argument to parameter 'buf' here
>    static inline void swab32_array(u32 *buf, unsigned int words)
>                                         ^
>    6 warnings and 1 error generated.

While error message is valid, I believe the warnings are not related to the
patch in question and were before it.

-- 
With Best Regards,
Andy Shevchenko