mtd: nand: xway: fix nand locking

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The external Bus Unit (EBU) can control different flash devices, but
these NAND flash commands have to be atomic and should not be
interrupted in between. Lock the EBU from the beginning of the command
till the end by moving the lock to the chip select.

Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>

...

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John Crispin 2016-06-20 23:32:11 +02:00 • committed by Boris Brezillon

parent 44772fa5ec

commit e7e1f7be33

1 changed files with 8 additions and 12 deletions

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drivers/mtd/nand/xway_nand.c

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