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>

1 files changed, 0 insertions, 7 deletions

diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig
index bc33200535fc..6fde0a2e3567 100644
--- a/drivers/mtd/devices/Kconfig
+++ b/drivers/mtd/devices/Kconfig
@@ -120,13 +120,6 @@ config MTD_PHRAM
           doesn't have access to, memory beyond the mem=xxx limit, nvram,
           memory on the video card, etc...
 
-config MTD_PS3VRAM
-        tristate "PS3 video RAM"
-        depends on FB_PS3
-        help
-          This driver allows you to use excess PS3 video RAM as volatile
-          storage or system swap.
-
 config MTD_LART
         tristate "28F160xx flash driver for LART"
         depends on SA1100_LART