linux-kernel - Re: [PATCH 3/3] SPI: Ingenic: Add SFC support for Ingenic SoCs.

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Message-ID: <9ca88fec-12c5-4fc8-80b7-9a94af3af89f@wanyeetech.com>
Date:   Sun, 24 Jul 2022 09:22:05 +0800
From:   Zhou Yanjie <zhouyanjie@...yeetech.com>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        tudor.ambarus@...rochip.com, p.yadav@...com, michael@...le.cc,
        miquel.raynal@...tlin.com, richard@....at, vigneshr@...com,
        broonie@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org
Cc:     linux-mtd@...ts.infradead.org, linux-spi@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, aidanmacdonald.0x0@...il.com,
        tmn505@...il.com, paul@...pouillou.net, dongsheng.qiu@...enic.com,
        aric.pzqi@...enic.com, rick.tyliu@...enic.com,
        jinghui.liu@...enic.com, sernia.zhou@...mail.com,
        reimu@...omaker.com
Subject: Re: [PATCH 3/3] SPI: Ingenic: Add SFC support for Ingenic SoCs.

Hi Christophe,

On 2022/7/23 下午11:15, Christophe JAILLET wrote:
> 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@...yeetech.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.
>

Sure, will do in the next version.


Thanks and best regards!


> 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;
>> +    }
>> +
>
> [...]