[U-Boot] [PATCH V14 12/13] arm: Add Prep subcommand support to bootm

[Tom Rini]

On Thu, Mar 15, 2012 at 03:01:45PM +0100, Stefano Babic wrote:
> From: Simon Schwarz <simonschwarzcor at googlemail.com>
> 
> Adds prep subcommand to bootm implementation of ARM. When bootm is called
> with the subcommand prep the function stops right after ATAGS creation and
> before announce_and_cleanup.
> 
> This is used in command "cmd_spl export"
[snip]
> +static void boot_jump_linux(bootm_headers_t *images)
> +{
> +	int machid = gd->bd->bi_arch_number;
[snip]
> +	if (s) {
> +		strict_strtoul(s, 16, (long unsigned int *) &machid);
> +		printf("Using machid 0x%x from environment\n", machid);
> +	}

This upsets gcc 4.2.  bi_arch_number is an unsigned long so I'm applying
the following to this patch as part of my commit:

diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
index 03c25e9..fc73ca9 100644
--- a/arch/arm/lib/bootm.c
+++ b/arch/arm/lib/bootm.c
@@ -310,7 +310,7 @@ static void boot_prep_linux(bootm_headers_t *images)
 /* Subcommand: GO */
 static void boot_jump_linux(bootm_headers_t *images)
 {
-	int machid = gd->bd->bi_arch_number;
+	unsigned long machid = gd->bd->bi_arch_number;
 	char *s;
 	void (*kernel_entry)(int zero, int arch, uint params);
 
@@ -318,8 +318,8 @@ static void boot_jump_linux(bootm_headers_t *images)
 
 	s = getenv("machid");
 	if (s) {
-		strict_strtoul(s, 16, (long unsigned int *) &machid);
-		printf("Using machid 0x%x from environment\n", machid);
+		strict_strtoul(s, 16, &machid);
+		printf("Using machid 0x%lx from environment\n", machid);
 	}
 
 	debug("## Transferring control to Linux (at address %08lx)" \

The original code used simple_strtoul which doesn't cause a warning here
and newer gcc decided the unpatched usage was fine.

-- 
Tom