[PATCH] arm: dt: Initialize boot_command_line from CONFIG_CMDLINE in case DT does not provide /chosen/bootargs

[Tony Lindgren]

* Pavel Machek <pavel at ucw.cz> [161214 13:26]:
> On Wed 2016-12-14 22:12:43, Pali Rohár wrote:
> > Commit 008a2ebcd677 ("ARM: dts: omap3: Remove skeleton.dtsi usage") broke
> > support for setting cmdline on Nokia N900 via CONFIG_CMDLINE.
> > 
> > It is because arm code booted in DT mode parse cmdline only via function
> > early_init_dt_scan_chosen() and that function does not fill variable
> > boot_command_line when DTB does not contain /chosen entry. It is called
> > from function early_init_dt_scan_nodes() in setup_machine_fdt().
> > 
> > This patch fixes it by explicitly filling boot_command_line in function
> > setup_machine_fdt() after calling early_init_dt_scan_nodes() in case
> > boot_command_line still remains empty.
> > 
> > Signed-off-by: Pali Rohár <pali.rohar at gmail.com>
> 
> Acked-by: Pavel Machek <pavel at ucw.cz>

Acked-by: Tony Lindgren <tony at atomide.com>