mtd: nand: cafe: return error code of nand_scan_ident() on error
The nand_scan_ident() returns an appropriate error value when it fails. Use it instead of the fixed error code -ENXIO. (This driver is already doing so for nand_scan_tail().) Signed-off-by: NMasahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: NMarek Vasut <marek.vasut@gmail.com> Signed-off-by: NBoris Brezillon <boris.brezillon@free-electrons.com>
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