[PATCH] mtd: parsers: extend Qcom SMEM parser to SPI flash

[Baruch Siach]

Hi Manivannan,

On Tue, Feb 23 2021, Manivannan Sadhasivam wrote:
> On Tue, Feb 23, 2021 at 01:47:04PM +0200, Baruch Siach wrote:
>> The Qcom MIBIB partition might be stored on SPI flash devices, and the
>> parser works in this case just as well:
>
> Nice!
>
>> [    1.404229] spi_qup 78b5000.spi: IN:block:16, fifo:64, OUT:block:16, fifo:64
>> [    1.408078] spi-nor spi0.0: found mx25u6435f, expected n25q128a11
>> [    1.415016] spi-nor spi0.0: mx25u6435f (8192 Kbytes)
>> [    1.420756] 12 qcomsmem partitions found on MTD device spi0.0
>> [    1.425739] Creating 12 MTD partitions on "spi0.0":
>> [    1.431381] 0x000000000000-0x00000000c000 : "0:sbl1"
>> [    1.437058] 0x00000000c000-0x00000000d000 : "0:mibib"
>> [    1.442143] 0x00000000d000-0x000000027000 : "0:qsee"
>> [    1.447057] 0x000000027000-0x000000028000 : "0:devcfg"
>> [    1.452088] 0x000000028000-0x00000002a000 : "0:rpm"
>> [    1.457065] 0x00000002a000-0x00000002b000 : "0:cdt"
>> [    1.461832] 0x00000002b000-0x00000002c000 : "0:appsblenv"
>> [    1.466736] 0x00000002c000-0x000000036000 : "0:appsbl"
>> [    1.472248] 0x000000036000-0x00000003a000 : "0:art"
>> [    1.477297] 0x00000003a000-0x00000003e000 : "config"
>> [    1.482047] 0x00000003e000-0x00000004e000 : "data"
>> [    1.487257] 0x00000004e000-0x000000200000 : "0:hlos"
>> 
>> Remove dependency on MTD_NAND_QCOM. Update the Kconfig prompt and help
>> text accordingly.
>> 
>> Cc: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
>> Signed-off-by: Baruch Siach <baruch at tkos.co.il>
>> ---
>>  drivers/mtd/parsers/Kconfig | 5 ++---
>>  1 file changed, 2 insertions(+), 3 deletions(-)
>> 
>> diff --git a/drivers/mtd/parsers/Kconfig b/drivers/mtd/parsers/Kconfig
>> index d90c30229052..96d5716db544 100644
>> --- a/drivers/mtd/parsers/Kconfig
>> +++ b/drivers/mtd/parsers/Kconfig
>> @@ -162,9 +162,8 @@ config MTD_REDBOOT_PARTS_READONLY
>>  endif # MTD_REDBOOT_PARTS
>>  
>>  config MTD_QCOMSMEM_PARTS
>> -	tristate "Qualcomm SMEM NAND flash partition parser"
>> -	depends on MTD_NAND_QCOM || COMPILE_TEST
>
> Can we keep COMPILE_TEST below?

The code will not build without QCOM_SMEM, I believe.

Thanks for your review,
baruch

> With that,
>
> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
>
> Thanks,
> Mani
>
>> +	tristate "Qualcomm SMEM flash partition parser"
>>  	depends on QCOM_SMEM
>>  	help
>>  	  This provides support for parsing partitions from Shared Memory (SMEM)
>> -	  for NAND flash on Qualcomm platforms.
>> +	  for NAND and SPI flash on Qualcomm platforms.
>> -- 
>> 2.30.0

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