linux-kernel - Re: [PATCH v1 2/3] mmc: starfive: Add sdio/emmc driver support

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Message-ID: <26e9c3eb-aaeb-8cbd-dda0-20f28331dbeb@starfivetech.com>
Date:   Tue, 13 Dec 2022 15:21:36 +0800
From:   William Qiu <william.qiu@...rfivetech.com>
To:     Shawn Lin <shawn.lin@...k-chips.com>
CC:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jaehoon Chung <jh80.chung@...sung.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-mmc@...r.kernel.org>, <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH v1 2/3] mmc: starfive: Add sdio/emmc driver support



On 2022/12/13 10:24, Shawn Lin wrote:
> Hi
> 
> On 2022/12/7 21:17, William Qiu wrote:
>> Add sdio/emmc driver support for StarFive JH7110 soc.
>>
>> Signed-off-by: William Qiu <william.qiu@...rfivetech.com>
>> ---
>>   MAINTAINERS                        |   6 +
>>   drivers/mmc/host/Kconfig           |  10 ++
>>   drivers/mmc/host/Makefile          |   1 +
>>   drivers/mmc/host/dw_mmc-starfive.c | 197 +++++++++++++++++++++++++++++
>>   4 files changed, 214 insertions(+)
>>   create mode 100644 drivers/mmc/host/dw_mmc-starfive.c
>>
> 
> ...
> 
>> +
>> +static unsigned long dw_mci_starfive_caps[] = {
>> +    MMC_CAP_CMD23,
>> +    MMC_CAP_CMD23,
>> +    MMC_CAP_CMD23
>> +};
>> +
> 
> ....
> 
>> +    host->priv = priv;
>> +
>> +    return 0;
>> +}
>> +
>> +static const struct dw_mci_drv_data starfive_data = {
>> +    .caps = dw_mci_starfive_caps,
>> +    .num_caps = ARRAY_SIZE(dw_mci_starfive_caps),
> 
> use ".common_caps = MMC_CAP_CMD23" instead.
> 

Hi Shawn,

Thank you for taking time to review.
The .common_caps is not defined in dw_mci_drv_data.
And .num_caps is also used in dw_mci-rockchip.c.

Best regards,
William Qiu
>> +    .set_ios = dw_mci_starfive_set_ios,
>> +    .parse_dt = dw_mci_starfive_parse_dt,
>> +    .execute_tuning = dw_mci_starfive_execute_tuning,
>> +};
>> +
>> +static const struct of_device_id dw_mci_starfive_match[] = {
>