linux-kernel - Re: [PATCH v4 3/5] spi: spi-qpic: Add qpic spi nand driver support

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Date: Sun, 7 Apr 2024 20:55:29 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: "Alex G." <mr.nuke.me@...il.com>, Md Sadre Alam
 <quic_mdalam@...cinc.com>, andersson@...nel.org, konrad.dybcio@...aro.org,
 broonie@...nel.org, robh@...nel.org, krzysztof.kozlowski+dt@...aro.org,
 conor+dt@...nel.org, miquel.raynal@...tlin.com, richard@....at,
 vigneshr@...com, manivannan.sadhasivam@...aro.org,
 neil.armstrong@...aro.org, daniel@...rotopia.org, arnd@...db.de,
 chris.packham@...iedtelesis.co.nz, christophe.kerello@...s.st.com,
 linux-arm-msm@...r.kernel.org, linux-spi@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-mtd@...ts.infradead.org
Cc: quic_srichara@...cinc.com, quic_varada@...cinc.com
Subject: Re: [PATCH v4 3/5] spi: spi-qpic: Add qpic spi nand driver support

On 07/04/2024 20:45, Alex G. wrote:
> 
> 
> On 4/7/24 13:40, Alex G. wrote:
>>
>>
>> On 4/7/24 12:48, Alex G. wrote:
>>> On 3/8/24 03:17, Md Sadre Alam wrote:
>>>> Add qpic spi nand driver support. The spi nand
>>>> driver currently supported the below commands.
>>>>
>>>> -- RESET
>>>> -- READ ID
>>>> -- SET FEATURE
>>>> -- GET FEATURE
>>>> -- READ PAGE
>>>> -- WRITE PAGE
>>>> -- ERASE PAGE
>>>>
>>>> Co-developed-by: Sricharan Ramabadhran <quic_srichara@...cinc.com>
>>>> Signed-off-by: Sricharan Ramabadhran <quic_srichara@...cinc.com>
>>>> Co-developed-by: Varadarajan Narayanan <quic_varada@...cinc.com>
>>>> Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
>>>> Signed-off-by: Md Sadre Alam <quic_mdalam@...cinc.com>
>>>> ---
>>>
>>> For the entire series:
>>>
>>> Tested-by: Alexandru Gagniuc <mr.nuke.me@...il.com>
>>>
>>>> diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
>>>> index bc7021da2fe9..63764e943d82 100644
>>>> --- a/drivers/spi/Kconfig
>>>> +++ b/drivers/spi/Kconfig
>>>> @@ -882,6 +882,14 @@ config SPI_QCOM_QSPI
>>>>       help
>>>>         QSPI(Quad SPI) driver for Qualcomm QSPI controller.
>>>> +config SPI_QPIC_SNAND
>>>> +    tristate "QPIC SNAND controller"
>>
>> Also, don't tristate this. It can be set as CONFIG_QPIC_COMMON=m, which 
>> will cause the build to fail because you don't have a MODULE_LICENSE().
> 
> Please disregard my idiotic suggestion here. I meant to make this 
> comment on the previous patch.
> 

Also not. All of these must be allowed to be a module. If you need
dependency between modules, then use documented syntax in the kernel
(foo || !foo).

Best regards,
Krzysztof