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MIPS: Fix CONFIG_MIPS_CMDLINE_DTB_EXTEND handling

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The CONFIG_MIPS_CMDLINE_DTB_EXTEND option is used so that the kernel
arguments provided in the 'bootargs' property in devicetree are extended
with the kernel arguments provided by the bootloader.

The code was broken, as it didn't actually take any of the kernel
arguments provided in devicetree when that option was set.

Fixes: 7784cac697 ("MIPS: cmdline: Clean up boot_command_line initialization")
Cc: stable@vger.kernel.org
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Paul Cercueil 2020-02-25 12:28:09 -03:00 committed by Thomas Bogendoerfer
parent 3234f4ed30
commit 8e029eb0bc
1 changed files with 2 additions and 1 deletions
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3
arch/mips/kernel/setup.c
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@ -605,7 +605,8 @@ static void __init bootcmdline_init(char **cmdline_p)
* If we're configured to take boot arguments from DT, look for those
* now.
*/
if (IS_ENABLED(CONFIG_MIPS_CMDLINE_FROM_DTB))
if (IS_ENABLED(CONFIG_MIPS_CMDLINE_FROM_DTB) ||
IS_ENABLED(CONFIG_MIPS_CMDLINE_DTB_EXTEND))
of_scan_flat_dt(bootcmdline_scan_chosen, &dt_bootargs);
#endif