linux-kernel - Re: [PATCH 8/8] spi: wpcm-fiu: Add direct map support

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Date:   Sun, 6 Nov 2022 15:49:43 +0100
From:   Jonathan Neuschäfer <j.neuschaefer@....net>
To:     kernel test robot <lkp@...el.com>
Cc:     Jonathan Neuschäfer <j.neuschaefer@....net>,
        linux-spi@...r.kernel.org, openbmc@...ts.ozlabs.org,
        oe-kbuild-all@...ts.linux.dev, Lee Jones <lee@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org
Subject: Re: [PATCH 8/8] spi: wpcm-fiu: Add direct map support

On Sun, Nov 06, 2022 at 05:35:24AM +0800, kernel test robot wrote:
> >> drivers/spi/spi-wpcm-fiu.c:424:24: error: initialization of 'ssize_t (*)(struct spi_mem_dirmap_desc *, u64,  size_t,  void *)' {aka 'long int (*)(struct spi_mem_dirmap_desc *, long long unsigned int,  long unsigned int,  void *)'} from incompatible pointer type 'int (*)(struct spi_mem_dirmap_desc *, u64,  size_t,  void *)' {aka 'int (*)(struct spi_mem_dirmap_desc *, long long unsigned int,  long unsigned int,  void *)'} [-Werror=incompatible-pointer-types]
>      424 |         .dirmap_read = wpcm_fiu_direct_read,
>          |                        ^~~~~~~~~~~~~~~~~~~~
>    drivers/spi/spi-wpcm-fiu.c:424:24: note: (near initialization for 'wpcm_fiu_mem_ops.dirmap_read')
>    cc1: some warnings being treated as errors

Indeed. I'll fix it.

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