[MTD] [NAND] Move ancient NAND chip support into a config option
The support for obsolete ancient NAND chips adds .data size and one
of the old ids conflicts with a modern one. Make the support for
such chips depending on a config option.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 2d12dcd..49cbf51 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -31,6 +31,15 @@
Software ECC according to the Smart Media Specification.
The original Linux implementation had byte 0 and 1 swapped.
+config MTD_NAND_MUSEUM_IDS
+ bool "Enable chip ids for obsolete ancient NAND devices"
+ depends on MTD_NAND
+ default n
+ help
+ Enable this option only when your board has first generation
+ NAND chips (page size 256 byte, erase size 4-8KiB). The IDs
+ of these chips were reused by later, larger chips.
+
config MTD_NAND_AUTCPU12
tristate "SmartMediaCard on autronix autcpu12 board"
depends on MTD_NAND && ARCH_AUTCPU12