linux-kernel - Re: [PATCH v9 2/2] spi: loongson: add bus driver for the loongson spi controller

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Message-ID: <ZFj3BEHCDc/XLBZB@finisterre.sirena.org.uk>
Date:   Mon, 8 May 2023 22:20:04 +0900
From:   Mark Brown <broonie@...nel.org>
To:     Yinbo Zhu <zhuyinbo@...ngson.cn>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-spi@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jianmin Lv <lvjianmin@...ngson.cn>,
        wanghongliang@...ngson.cn, Liu Peibao <liupeibao@...ngson.cn>,
        loongson-kernel@...ts.loongnix.cn
Subject: Re: [PATCH v9 2/2] spi: loongson: add bus driver for the loongson
 spi controller

On Wed, Apr 26, 2023 at 03:10:45PM +0800, Yinbo Zhu wrote:
> This bus driver supports the Loongson spi hardware controller in the
> Loongson platforms and supports to use DTS and PCI framework to
> register spi device resources.

This breaks an x86 allmodconfig build:

/build/stage/linux/drivers/spi/spi-loongson-core.c: In function ‘loongson_spi_init_master’:
/build/stage/linux/drivers/spi/spi-loongson-core.c:222:31: error: implicit declaration of function ‘of_node_get’ [-Werror=implicit-function-declaration]
  222 |         master->dev.of_node = of_node_get(dev->of_node);
      |                               ^~~~~~~~~~~
/build/stage/linux/drivers/spi/spi-loongson-core.c:222:29: error: assignment to ‘struct device_node *’ from ‘int’ makes pointer from integer without a cast [-Werror=int-conversion]
  222 |         master->dev.of_node = of_node_get(dev->of_node);
      |                             ^
/build/stage/linux/drivers/spi/spi-loongson-core.c:242:13: error: implicit declaration of function ‘of_get_property’ [-Werror=implicit-function-declaration]
  242 |         if (of_get_property(dev->of_node, "spi-nocs", NULL))
      |             ^~~~~~~~~~~~~~~
cc1: all warnings being treated as errors

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