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Sascha Hauer authored
When reading the vid hdr from the device UBI always reads a whole page. Instead, read only the data we actually need and speed up attachment of UBI devices by potentially making use of reading subpages if the NAND driver supports it. Since the VID header may be at offset vid_hdr_shift in the page and we can only read from the beginning of a page we have to add that offset to the read size. Signed-off-by:
Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by:
Richard Weinberger <richard@nod.at>
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