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 12:48:32 -0500
From: "Alex G." <mr.nuke.me@...il.com>
To: 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 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"
> +	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'
..

> +	help
> +	  QPIC_SNAND (QPIC SPI NAND) driver for Qualcomm QPIC controller.
> +	  QPIC controller supports both parallel nand and serial nand.
> +	  This config will enable serial nand driver for QPIC controller.
> +
>   config SPI_QUP
>   	tristate "Qualcomm SPI controller with QUP interface"
>   	depends on ARCH_QCOM || COMPILE_TEST

Alex