[PATCH] spi: mtd dataflash driver
This is a conversion of the AT91rm9200 DataFlash MTD driver to use the
lightweight SPI framework, and no longer be AT91-specific. It compiles
down to less than 3KBytes on ARM.
The driver allows board-specific init code to provide platform_data with
the relevant MTD partitioning information, and hotplugs.
This version has been lightly tested. Its parent at91_dataflash driver has
been pretty well banged on, although kernel.org JFFS2 dataflash support was
acting broken the last time I tried it.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig
index 9a2aa40..84f2eb1 100644
--- a/drivers/mtd/devices/Kconfig
+++ b/drivers/mtd/devices/Kconfig
@@ -47,6 +47,14 @@
accelerator. Say Y here if you have a DECstation 5000/2x0 or a
DECsystem 5900 equipped with such a module.
+config MTD_DATAFLASH
+ tristate "Support for AT45xxx DataFlash"
+ depends on MTD && SPI_MASTER && EXPERIMENTAL
+ help
+ This enables access to AT45xxx DataFlash chips, using SPI.
+ Sometimes DataFlash chips are packaged inside MMC-format
+ cards; at this writing, the MMC stack won't handle those.
+
config MTD_SLRAM
tristate "Uncached system RAM"
depends on MTD