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MIPS: Fix CONFIG_OF_EARLY_FLATTREE=n builds

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Configurations with CONFIG_OF_EARLY_FLATTREE=n fail to build since
commit 7784cac697 ("MIPS: cmdline: Clean up boot_command_line
initialization") because of_scan_flat_dt() & of_scan_flat_dt() are not
defined in these configurations. Fix this by #ifdef'ing the affected
code...

Signed-off-by: Paul Burton <paul.burton@mips.com>
Fixes: 7784cac697 ("MIPS: cmdline: Clean up boot_command_line initialization")
Reported-by: kbuild test robot <lkp@intel.com>
Cc: linux-mips@vger.kernel.org
This commit is contained in:
Paul Burton 2019-10-12 20:43:37 +00:00
parent b7340422cc
commit 972727766e
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GPG Key ID: 3EA79FACB57500DD
1 changed files with 6 additions and 0 deletions
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6
arch/mips/kernel/setup.c
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@ -551,6 +551,8 @@ static void __init bootcmdline_append(const char *s, size_t max)
strlcat(boot_command_line, s, max);
}
#ifdef CONFIG_OF_EARLY_FLATTREE
static int __init bootcmdline_scan_chosen(unsigned long node, const char *uname,
int depth, void *data)
{
@ -571,6 +573,8 @@ static int __init bootcmdline_scan_chosen(unsigned long node, const char *uname,
return 1;
}
#endif /* CONFIG_OF_EARLY_FLATTREE */
static void __init bootcmdline_init(char **cmdline_p)
{
bool dt_bootargs = false;
@ -597,12 +601,14 @@ static void __init bootcmdline_init(char **cmdline_p)
else
boot_command_line[0] = 0;
#ifdef CONFIG_OF_EARLY_FLATTREE
/*
* If we're configured to take boot arguments from DT, look for those
* now.
*/
if (IS_ENABLED(CONFIG_MIPS_CMDLINE_FROM_DTB))
of_scan_flat_dt(bootcmdline_scan_chosen, &dt_bootargs);
#endif
/*
* If we didn't get any arguments from DT (regardless of whether that's