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authorBrian Norris <computersforpeace@gmail.com>2014-05-06 16:02:19 -0700
committerBrian Norris <computersforpeace@gmail.com>2014-05-09 13:19:42 -0700
commit49c50b97b5522a987b80fbbf9d9869deee8d23b0 (patch)
treeeb938dffa64256c423dce3dc2e5ff851a0111fbc /scripts
parent35fc51956b53eb52f7c4c78aa6157381196cd5ce (diff)
downloadlinux-49c50b97b5522a987b80fbbf9d9869deee8d23b0.tar.bz2
mtd: nand: refactor erase_cmd() to return chip status
The nand_chip::erase_cmd callback previously served a dual purpose; for one, it allowed a per-flash-chip override, so that AG-AND devices could use a different erase command than other NAND. These AND devices were dropped in commit 14c6578683367b1e7af0c3c09e872b45a45183a7 (mtd: nand: remove AG-AND support). On the other hand, some drivers (denali and doc-g4) need to use this sort of callback to implement controller-specific erase operations. To make the latter operation easier for some drivers (e.g., ST's new BCH NAND driver), it helps if the command dispatch and wait functions can be lumped together, rather than called separately. This patch does two things: 1. Pull the call to chip->waitfunc() into chip->erase_cmd(), and return the status from this callback 2. Rename erase_cmd() to just erase(), since this callback does a little more than just send a command Signed-off-by: Brian Norris <computersforpeace@gmail.com> Tested-by: Lee Jones <lee.jones@linaro.org>
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