Re: [PATCH] mtd: spi-nor: controllers: intel-spi: Add support for command line partitions
From: Mika Westerberg
Date: Fri Apr 17 2020 - 12:07:46 EST
On Fri, Apr 17, 2020 at 08:26:11AM -0700, Ronald G. Minnich wrote:
> On Intel platforms, the usable SPI area is located several
> MiB in from the start, to leave room for descriptors and
> the Management Engine binary. Further, not all the remaining
> space can be used, as the last 16 MiB contains firmware.
>
> To make the SPI usable for mtdblock and other devices,
> it is necessary to enable command line partitions so the
> middle usable region can be specified.
>
> Add a part_probes array which includes only "cmdelineparts",
> and change to mtd_device_parse_register to use this part_probes.
>
> Signed-off-by: Ronald G. Minnich <rminnich@xxxxxxxxxx>
Reviewed-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>