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Date:   Sat, 23 Jul 2022 17:15:46 +0200
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Subject: Re: [PATCH 3/3] SPI: Ingenic: Add SFC support for Ingenic SoCs.
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        <zhouyanjie@wanyeetech.com>, tudor.ambarus@microchip.com,
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Cc:     linux-mtd@lists.infradead.org, linux-spi@vger.kernel.org,
        linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org,
        devicetree@vger.kernel.org, aidanmacdonald.0x0@gmail.com,
        tmn505@gmail.com, paul@crapouillou.net, dongsheng.qiu@ingenic.com,
        aric.pzqi@ingenic.com, rick.tyliu@ingenic.com,
        jinghui.liu@ingenic.com, sernia.zhou@foxmail.com,
        reimu@sudomaker.com
Newsgroups: gmane.linux.ports.mips,gmane.linux.drivers.mtd,gmane.linux.kernel.spi.devel,gmane.linux.kernel,gmane.linux.drivers.devicetree
References: <1658508510-15400-1-git-send-email-zhouyanjie@wanyeetech.com>
 <1658508510-15400-4-git-send-email-zhouyanjie@wanyeetech.com>
From:   Christophe JAILLET <christophe.jaillet@wanadoo.fr>
In-Reply-To: <1658508510-15400-4-git-send-email-zhouyanjie@wanyeetech.com>
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Le 22/07/2022 à 18:48, 周琰杰 (Zhou Yanjie) a écrit :
> Add SFC support for the X1000 SoC, the X1600 SoC, and the X2000 SoC
> from Ingenic.
> 
> Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
> ---
>   drivers/spi/Kconfig           |   9 +
>   drivers/spi/Makefile          |   1 +
>   drivers/spi/spi-ingenic-sfc.c | 662 ++++++++++++++++++++++++++++++++++++++++++
>   3 files changed, 672 insertions(+)
>   create mode 100644 drivers/spi/spi-ingenic-sfc.c
> 

[...]

> +static int ingenic_sfc_probe(struct platform_device *pdev)
> +{
> +	struct ingenic_sfc *sfc;
> +	struct spi_controller *ctlr;
> +	int ret;
> +
> +	ctlr = spi_alloc_master(&pdev->dev, sizeof(*sfc));
> +	if (!ctlr)
> +		return -ENOMEM;

devm_spi_alloc_master()? (+ error handling simplification)
Or there should be a .remove() function.

CJ

> +
> +	sfc = spi_controller_get_devdata(ctlr);
> +
> +	sfc->soc_info = of_device_get_match_data(&pdev->dev);
> +	if (!sfc->soc_info) {
> +		dev_err(&pdev->dev, "No of match data provided\n");
> +		ret = -ENODEV;
> +		goto err_put_master;
> +	}
> +

[...]