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[MTD] [NAND] add s3c2440-specific read_buf/write_buf
authorMatt Reimer <mreimer@vpop.net>
Fri, 19 Oct 2007 00:43:07 +0000 (17:43 -0700)
committerDavid Woodhouse <dwmw2@infradead.org>
Sat, 20 Oct 2007 13:54:26 +0000 (14:54 +0100)
commitb773bb2e702f6ac96223018d621ea9ed0d4f23ff
tree7e37ddbbc05889042ff7ee3df12cc784bc56b9fdtree | snapshot
parent19e75ea72b21136805218a2f55177e99100d62e5commit | diff
[MTD] [NAND] add s3c2440-specific read_buf/write_buf

Add read_buf/write_buf for s3c2440, which can read/write 32 bits at a
time rather than just 8. In my testing on an s3c2440a running at 400 MHz
with a 100 MHz HCLK, read performance improves by 36% (from 5.19 MB/s
to 7.07 MB/s).

Signed-off-by: Matt Reimer <mreimer@vpop.net>
Acked-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
drivers/mtd/nand/s3c2410.c diff | blob | history
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