linux-kernel - Re: [PATCH -next] soc/tegra: fuse: Add missing DMADEVICES dependency

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Date:   Wed, 29 Jun 2022 09:43:52 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     Dmitry Osipenko <dmitry.osipenko@...labora.com>,
        <thierry.reding@...il.com>, <jonathanh@...dia.com>,
        <digetx@...il.com>
CC:     <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH -next] soc/tegra: fuse: Add missing DMADEVICES dependency



On 2022/6/29 7:02, Dmitry Osipenko wrote:
> On 6/28/22 15:10, YueHaibing wrote:
>> WARNING: unmet direct dependencies detected for TEGRA20_APB_DMA
>>   Depends on [n]: DMADEVICES [=n] && (ARCH_TEGRA [=y] || COMPILE_TEST [=n])
>>   Selected by [y]:
>>   - SOC_TEGRA_FUSE [=y] && ARCH_TEGRA [=y] && ARCH_TEGRA_2x_SOC [=y]
>>
>> TEGRA20_APB_DMA depends on DMADEVICES, so SOC_TEGRA_FUSE also should depends on it
>> before select it.
>>
>> Fixes: 19d41e5e9c68 ("soc/tegra: fuse: Add APB DMA dependency for Tegra20")
>> Reported-by: Hulk Robot <hulkci@...wei.com>
>> Signed-off-by: YueHaibing <yuehaibing@...wei.com>
>> ---
>>  drivers/soc/tegra/Kconfig | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/soc/tegra/Kconfig b/drivers/soc/tegra/Kconfig
>> index 5725c8ef0406..2b6ba0f798fa 100644
>> --- a/drivers/soc/tegra/Kconfig
>> +++ b/drivers/soc/tegra/Kconfig
>> @@ -135,6 +135,7 @@ endif
>>  config SOC_TEGRA_FUSE
>>  	def_bool y
>>  	depends on ARCH_TEGRA
>> +	depends on DMADEVICES
>>  	select SOC_BUS
>>  	select TEGRA20_APB_DMA if ARCH_TEGRA_2x_SOC
>>  
> 
> Since it's a problem only for the Tegra20 config, shouldn't it be:
> 
> -  select TEGRA20_APB_DMA if ARCH_TEGRA_2x_SOC
> +  select TEGRA20_APB_DMA if (ARCH_TEGRA_2x_SOC && DMADEVICES)

Indeed, will do this in v2.

> 
> ?
>