lkml.org 
[lkml]   [2023]   [Jan]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2] mtd: spi-nor: macronix: add support for mx77l51250f
Am 2023-01-07 22:43, schrieb Tomas Winkler:
> $ cat /sys/bus/spi/devices/spi0.0/spi-nor/partname
> mx77l51250f
> $ cat /sys/bus/spi/devices/spi0.0/spi-nor/jedec_id
> c2751a
> $ cat /sys/bus/spi/devices/spi0.0/spi-nor/manufacturer
> macronix
> $ xxd -p /sys/bus/spi/devices/spi0.0/spi-nor/sfdp
> 53464450060103ff00060110300000ffc2000104100100ff030001020001
> 00ff84000102c00000ffffffffffffffffffe520f3ffffffff1f44eb086b
> 083b04bbeeffffffffff00ffffff00ff0c200f5210d800ff8341bd0082a7
> 04db4403373830b030b0f7a9d55c009e29fff050f985ffffffffffffffff
> ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
> ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
> ffffffffffffffffffffffff7f0ff0ff215cdcffffffffffffffffffffff
> ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff
> ffffffffffffffffffffffffffffffff3c9b96f0c5a4c2ffffffffffffff
> ffff003600279df9c064fecfffffffffffff
>
> $ md5sum /sys/bus/spi/devices/spi0.0/spi-nor/sfdp
> 36fb8e3e6f82c45bfabea45ec73c08a8
> /sys/bus/spi/devices/spi0.0/spi-nor/sfdp

Thanks for the dumps, as Dhruva mentioned this should go
in the comment section of this patch. But also see below.


> --- a/drivers/mtd/spi-nor/macronix.c
> +++ b/drivers/mtd/spi-nor/macronix.c
> @@ -100,6 +100,8 @@ static const struct flash_info macronix_nor_parts[]
> = {
> { "mx66u2g45g", INFO(0xc2253c, 0, 64 * 1024, 4096)
> NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
> FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
> + { "mx77l51250f", INFO(0xc2751a, 0, 64 * 1024, 4096)
> + PARSE_SFDP },

With the newest generic spi nor driver [1] this patch shouldn't
be needed at all anymore. Could you verify, that your flash will work
without it?

-michael

[1]
https://elixir.bootlin.com/linux/v6.2-rc3/source/drivers/mtd/spi-nor/core.c#L1637

\
 
 \ /
  Last update: 2023-03-26 23:32    [W:0.068 / U:0.072 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site