Re: [v5,2/3] mtd: spi-nor: Add a post BFPT parsing fixup hook

[Boris Brezillon <boris.brezillon@xxxxxxxxxxx>]

On Thu, 2018-12-06 at 10:37:35 UTC, Boris Brezillon wrote:
> Experience has proven that SFDP tables are sometimes wrong, and parsing
> of these broken tables can lead to erroneous flash config.
> 
> This leaves us 2 options:
> 
> 1/ set the SPI_NOR_SKIP_SFDP flag and completely ignore SFDP parsing
> 2/ fix things at runtime
> 
> While #1 should always work, it might imply extra work if most of the
> SFDP is correct. #2 has the benefit of keeping the generic SFDP parsing
> logic almost untouched while allowing SPI NOR manufacturer drivers to
> fix the broken bits.
> 
> Add a spi_nor_fixups struct where we'll put all our fixup hooks, each
> of them being called at a different point in the scan process.
> 
> We start a hook called just after the BFPT parsing to allow fixing up
> info extracted from the BFPT section. More hooks will be added if other
> sections need to be fixed.
> 
> Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxx>
> Reviewed-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxxxxx>

Applied to http://git.infradead.org/linux-mtd.git spi-nor/next.

Boris

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