From 81db718d48b991c33cbc7fe425003e374c087c36 Mon Sep 17 00:00:00 2001
From: Kumar Gala <galak@kernel.crashing.org>
Date: Wed, 22 Apr 2009 13:18:02 -0500
Subject: [PATCH] powerpc/fsl: use of_iomap() for rstcr mapping
The rstcr register mapping code was written sometime ago before
of_iomap() existed. We can use it and clean up the code a bit
and get rid of one user of get_immrbase() in the process.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
arch/powerpc/sysdev/fsl_soc.c | 14 ++++----------
1 file changed, 4 insertions(+), 10 deletions(-)
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index 5c64ccd402e2..95dbc643c4fc 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -379,16 +379,10 @@ static int __init setup_rstcr(void)
struct device_node *np;
np = of_find_node_by_name(NULL, "global-utilities");
if ((np && of_get_property(np, "fsl,has-rstcr", NULL))) {
- const u32 *prop = of_get_property(np, "reg", NULL);
- if (prop) {
- /* map reset control register
- * 0xE00B0 is offset of reset control register
- */
- rstcr = ioremap(get_immrbase() + *prop + 0xB0, 0xff);
- if (!rstcr)
- printk (KERN_EMERG "Error: reset control "
- "register not mapped!\n");
- }
+ rstcr = of_iomap(np, 0) + 0xb0;
+ if (!rstcr)
+ printk (KERN_EMERG "Error: reset control register "
+ "not mapped!\n");
} else
printk (KERN_INFO "rstcr compatible register does not exist!\n");
if (np)
--
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