On 2/12/10 7:39 AM, Carl-Daniel Hailfinger wrote:
SPI RES is the most unreliable way to identify chips because it only
returns a 1-byte ID for most chips. For every given ID out there,
probably a dozen incompatible flash chips match it.
We already refuse to identify a chip with RES if that chip responds to
RDID (3 bytes, good match), and with this patch we additionally refuse
RES if the chip responds to REMS (2 bytes, still a good match). This
increases matching accuracy a lot.
Besides that, the RDID/REMS response checking has been cleaned up for
better readability.
Signed-off-by: Carl-Daniel Hailfinger<[email protected]>
Acked-by: Sean Nelson <[email protected]>
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