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

Manivannan Sadhasivam manivannan.sadhasivam at linaro.org
Tue Feb 23 08:06:24 EST 2021


On Tue, Feb 23, 2021 at 02:16:29PM +0200, Baruch Siach wrote:
> 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.
> 

Doh! You're right. Please ignore my comment.

Thanks,
Mani

> 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
> 
> -- 
>                                                      ~. .~   Tk Open Systems
> =}------------------------------------------------ooO--U--Ooo------------{=
>    - baruch at tkos.co.il - tel: +972.52.368.4656, http://www.tkos.co.il -



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