Add a kirkwood_nand_init_rnb() call to allow boards which
have RnB line detection to register this instead of a
static delay.

Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Cc: Linux MTD <linux-mtd@lists.infradead.org>

Index: linux-2.6-2.6.32.9/arch/arm/mach-kirkwood/common.c
===================================================================
--- linux-2.6-2.6.32.9.orig/arch/arm/mach-kirkwood/common.c	2010-02-23 15:38:51.%N +0000
+++ linux-2.6-2.6.32.9/arch/arm/mach-kirkwood/common.c	2010-03-11 13:25:01.%N +0000
@@ -305,6 +305,15 @@
 	platform_device_register(&kirkwood_nand_flash);
 }
 
+void __init kirkwood_nand_init_rnb(struct mtd_partition *parts, int nr_parts,
+				   int (*dev_ready)(struct mtd_info *))
+{
+	kirkwood_clk_ctrl |= CGC_RUNIT;
+	kirkwood_nand_data.parts = parts;
+	kirkwood_nand_data.nr_parts = nr_parts;
+	kirkwood_nand_data.dev_ready = dev_ready;
+	platform_device_register(&kirkwood_nand_flash);
+}
 
 /*****************************************************************************
  * SoC RTC
Index: linux-2.6-2.6.32.9/arch/arm/mach-kirkwood/common.h
===================================================================
--- linux-2.6-2.6.32.9.orig/arch/arm/mach-kirkwood/common.h	2010-02-23 15:38:51.%N +0000
+++ linux-2.6-2.6.32.9/arch/arm/mach-kirkwood/common.h	2010-03-11 13:25:01.%N +0000
@@ -16,6 +16,7 @@
 struct mv_sata_platform_data;
 struct mvsdio_platform_data;
 struct mtd_partition;
+struct mtd_info;
 
 /*
  * Basic Kirkwood init functions used early by machine-setup.
@@ -41,6 +42,7 @@
 void kirkwood_uart0_init(void);
 void kirkwood_uart1_init(void);
 void kirkwood_nand_init(struct mtd_partition *parts, int nr_parts, int delay);
+void kirkwood_nand_init_rnb(struct mtd_partition *parts, int nr_parts, int (*dev_ready)(struct mtd_info *));
 
 extern int kirkwood_tclk;
 extern struct sys_timer kirkwood_timer;