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

[Alex G.]

On 4/7/24 13:54, Krzysztof Kozlowski wrote:
> On 07/04/2024 19:48, 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 at quicinc.com>
>>> Signed-off-by: Sricharan Ramabadhran <quic_srichara at quicinc.com>
>>> Co-developed-by: Varadarajan Narayanan <quic_varada at quicinc.com>
>>> Signed-off-by: Varadarajan Narayanan <quic_varada at quicinc.com>
>>> Signed-off-by: Md Sadre Alam <quic_mdalam at quicinc.com>
>>> ---
>>
>> For the entire series:
>>
>> Tested-by: Alexandru Gagniuc <mr.nuke.me at gmail.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"
>>> +	depends on ARCH_QCOM || COMPILE_TEST
>>
>> Here, it needs to 'select QPIC_COMMON`. Otherwise it can run into
>> unresolved symbols:
>>
>> : drivers/spi/spi-qpic-snand.o: in function `snandc_set_reg':
>>    drivers/spi/spi-qpic-snand.c:56:(.text+0x484): undefined reference to
>> `qcom_offset_to_nandc_reg'
> 
> No, do not select user-visible symbols. If you observe such issues then
> either stubs are missing or depends on.

I apologize for making a bad suggestion. Thank you for pointing it out.

Alex