From: Dima Zavin <dima@google.com>
Date: Thu, 4 Dec 2008 20:19:57 +0000 (-0800)
Subject: mtd: nand: Allow NAND chip ids to be included standalone.
X-Git-Tag: firefly_0821_release~7613^2~893
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=24a72a9a1ded2d053acf689a9115cf5219c2d49b;p=firefly-linux-kernel-4.4.55.git

mtd: nand: Allow NAND chip ids to be included standalone.

Lets non-standard NAND drivers take advantage of known NAND
chip information.

Change-Id: I87e2fcb40b07b2ec91e102f1fa7f419a4b4af0a3
Signed-off-by: Dima Zavin <dima@android.com>
---

diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 4c3425235adc..43173a335e49 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -1,3 +1,10 @@
+config MTD_NAND_IDS
+	tristate "Include chip ids for known NAND devices."
+	depends on MTD
+	help
+	  Useful for NAND drivers that do not use the NAND subsystem but
+	  still like to take advantage of the known chip information.
+
 config MTD_NAND_ECC
 	tristate
 
@@ -121,6 +128,23 @@ config MTD_NAND_OMAP2
 	help
           Support for NAND flash on Texas Instruments OMAP2 and OMAP3 platforms.
 
+config MTD_NAND_OMAP_PREFETCH
+	bool "GPMC prefetch support for NAND Flash device"
+	depends on MTD_NAND_OMAP2
+	default y
+	help
+	 The NAND device can be accessed for Read/Write using GPMC PREFETCH engine
+	 to improve the performance.
+
+config MTD_NAND_OMAP_PREFETCH_DMA
+	depends on MTD_NAND_OMAP_PREFETCH
+	bool "DMA mode"
+	default n
+	help
+	 The GPMC PREFETCH engine can be configured eigther in MPU interrupt mode
+	 or in DMA interrupt mode.
+	 Say y for DMA mode or MPU mode will be used
+
 config MTD_NAND_IDS
 	tristate