From 86e032213424958b45564d0cc96b3316641a49d3 Mon Sep 17 00:00:00 2001
From: Grant Likely <grant.likely@secretlab.ca>
Date: Thu, 10 Dec 2009 23:42:21 -0700
Subject: of/flattree: merge early_init_dt_scan_chosen()

Merge common code between PowerPC and Microblaze.  This patch
splits the arch-specific stuff out into a new function,
early_init_dt_scan_chosen_arch().

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---
 arch/powerpc/kernel/prom.c | 46 ++++++++++------------------------------------
 1 file changed, 10 insertions(+), 36 deletions(-)

(limited to 'arch/powerpc')

diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 4e3181cded4..877fad9b374 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -367,18 +367,9 @@ static int __init early_init_dt_scan_cpus(unsigned long node,
 	return 0;
 }
 
-static int __init early_init_dt_scan_chosen(unsigned long node,
-					    const char *uname, int depth, void *data)
+void __init early_init_dt_scan_chosen_arch(unsigned long node)
 {
 	unsigned long *lprop;
-	unsigned long l;
-	char *p;
-
-	DBG("search \"chosen\", depth: %d, uname: %s\n", depth, uname);
-
-	if (depth != 1 ||
-	    (strcmp(uname, "chosen") != 0 && strcmp(uname, "chosen@0") != 0))
-		return 0;
 
 #ifdef CONFIG_PPC64
 	/* check if iommu is forced on or off */
@@ -389,17 +380,17 @@ static int __init early_init_dt_scan_chosen(unsigned long node,
 #endif
 
 	/* mem=x on the command line is the preferred mechanism */
- 	lprop = of_get_flat_dt_prop(node, "linux,memory-limit", NULL);
- 	if (lprop)
- 		memory_limit = *lprop;
+	lprop = of_get_flat_dt_prop(node, "linux,memory-limit", NULL);
+	if (lprop)
+		memory_limit = *lprop;
 
 #ifdef CONFIG_PPC64
- 	lprop = of_get_flat_dt_prop(node, "linux,tce-alloc-start", NULL);
- 	if (lprop)
- 		tce_alloc_start = *lprop;
- 	lprop = of_get_flat_dt_prop(node, "linux,tce-alloc-end", NULL);
- 	if (lprop)
- 		tce_alloc_end = *lprop;
+	lprop = of_get_flat_dt_prop(node, "linux,tce-alloc-start", NULL);
+	if (lprop)
+		tce_alloc_start = *lprop;
+	lprop = of_get_flat_dt_prop(node, "linux,tce-alloc-end", NULL);
+	if (lprop)
+		tce_alloc_end = *lprop;
 #endif
 
 #ifdef CONFIG_KEXEC
@@ -411,23 +402,6 @@ static int __init early_init_dt_scan_chosen(unsigned long node,
 	if (lprop)
 		crashk_res.end = crashk_res.start + *lprop - 1;
 #endif
-
-	early_init_dt_check_for_initrd(node);
-
-	/* Retreive command line */
- 	p = of_get_flat_dt_prop(node, "bootargs", &l);
-	if (p != NULL && l > 0)
-		strlcpy(cmd_line, p, min((int)l, COMMAND_LINE_SIZE));
-
-#ifdef CONFIG_CMDLINE
-	if (p == NULL || l == 0 || (l == 1 && (*p) == 0))
-		strlcpy(cmd_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
-#endif /* CONFIG_CMDLINE */
-
-	DBG("Command line is: %s\n", cmd_line);
-
-	/* break now */
-	return 1;
 }
 
 #ifdef CONFIG_PPC_PSERIES
-- 
cgit v1.2.3-18-g5258