From: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Date: Fri, 6 Mar 2009 02:54:09 +0000 (+0000)
Subject: ps3/block: Replace mtd/ps3vram by block/ps3vram
X-Git-Tag: v2.6.29~23^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f507cd22035fdadd5dbb476dd05e9e7ee21c3b84;p=pandora-kernel.git

ps3/block: Replace mtd/ps3vram by block/ps3vram

Convert the PS3 Video RAM Storage Driver from an MTD driver to a plain block
device driver.

The ps3vram driver exposes unused video RAM on the PS3 as a block device
suitable for storage or swap.  Fast data transfer is achieved using a local
cache in system RAM and DMA transfers via the GPU.

The new driver is ca. 50% faster for reading, and ca. 10% for writing.

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Acked-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

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