Tadashi Abe 100f2341e3
mtd: fix hang-up in cfi erase and read contention ...
cfi erase command hangs up when erase and read contention occurs.
If read runs at the same address as erase operation, read issues
Erase-Suspend via get_chip() and the erase goes into sleep in wait queue.
But in this case, read operation exits by time-out without waking it up.
I think the other variants (0001, 0020 and lpddr) have the same problem too.
Tested and verified the patch only on CFI-0002 flash, though.
Signed-off-by: Tadashi Abe <tabe@mvista.com >
Acked-by: Joakim Tjernlund <joakim.tjernlund@transmode.se >
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com >
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100f2341e3