linux-kernel - [PATCH 13/18] ARM: OMAP: Merge gpmc changes from N800 tree

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Date:	Mon,  9 Apr 2007 17:30:56 -0400
From:	Tony Lindgren <tony@...mide.com>
To:	linux-kernel@...r.kernel.org
Cc:	Kai Svahn <kai.svahn@...ia.com>, Tony Lindgren <tony@...mide.com>
Subject: [PATCH 13/18] ARM: OMAP: Merge gpmc changes from N800 tree

From: Kai Svahn <kai.svahn@...ia.com>

This patch merges gpmc changes from N800 tree
and adds gpmc_get_fclk_period() to gpmc.h.

Signed-off-by: Kai Svahn <kai.svahn@...ia.com>
Signed-off-by: Tony Lindgren <tony@...mide.com>
---
 arch/arm/mach-omap2/gpmc.c       |    7 +++++++
 include/asm-arm/arch-omap/gpmc.h |    1 +
 2 files changed, 8 insertions(+), 0 deletions(-)

Index: linux-2.6/arch/arm/mach-omap2/gpmc.c
===================================================================
--- linux-2.6.orig/arch/arm/mach-omap2/gpmc.c	2007-04-09 16:36:48.000000000 -0400
+++ linux-2.6/arch/arm/mach-omap2/gpmc.c	2007-04-09 16:36:54.000000000 -0400
@@ -111,6 +111,13 @@ unsigned int gpmc_ns_to_ticks(unsigned i
 	return (time_ns * 1000 + tick_ps - 1) / tick_ps;
 }
 
+unsigned int gpmc_round_ns_to_ticks(unsigned int time_ns)
+{
+	unsigned long ticks = gpmc_ns_to_ticks(time_ns);
+
+	return ticks * gpmc_get_fclk_period() / 1000;
+}
+
 #ifdef DEBUG
 static int set_gpmc_timing_reg(int cs, int reg, int st_bit, int end_bit,
 			       int time, const char *name)
Index: linux-2.6/include/asm-arm/arch-omap/gpmc.h
===================================================================
--- linux-2.6.orig/include/asm-arm/arch-omap/gpmc.h	2007-04-09 16:36:41.000000000 -0400
+++ linux-2.6/include/asm-arm/arch-omap/gpmc.h	2007-04-09 16:36:54.000000000 -0400
@@ -81,6 +81,8 @@ struct gpmc_timings {
 };
 
 extern unsigned int gpmc_ns_to_ticks(unsigned int time_ns);
+extern unsigned int gpmc_round_ns_to_ticks(unsigned int time_ns);
+extern unsigned long gpmc_get_fclk_period(void);
 
 extern void gpmc_cs_write_reg(int cs, int idx, u32 val);
 extern u32 gpmc_cs_read_reg(int cs, int idx);
-
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