[PATCH 2/2] of: introduce global.linux.bootargs_overwrite

Sascha Hauer sha at pengutronix.de
Tue Apr 13 10:05:31 BST 2021


On Tue, Apr 13, 2021 at 10:22:07AM +0200, Bastian Krause wrote:
> On 4/13/21 7:16 AM, Sascha Hauer wrote:
> > On Fri, Apr 09, 2021 at 10:15:03AM +0200, Bastian Krause wrote:
> >> From: Ahmad Fatoum <a.fatoum at pengutronix.de>
> >>
> >> By default, barebox overwrites the bootargs in the oftree if it itself
> >> has any. Make this behavior configurable by adding a new global
> >> variable. It allows either overwriting the oftree bootargs
> >> (global.linux.bootargs_overwrite=1) or appending barebox' bootargs to
> >> the oftree bootargs (global.linux.bootargs_overwrite=0).
> >>
> >> Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
> >> [bst: dropped a new line removal, extend commit message]
> >> Signed-off-by: Bastian Krause <bst at pengutronix.de>
> >> ---
> >>  common/oftree.c | 22 +++++++++++++++++++++-
> >>  1 file changed, 21 insertions(+), 1 deletion(-)
> >>
> >> diff --git a/common/oftree.c b/common/oftree.c
> >> index aaeb199a9e..f3a5d9c5d1 100644
> >> --- a/common/oftree.c
> >> +++ b/common/oftree.c
> >> @@ -16,6 +16,7 @@
> >>  #include <reset_source.h>
> >>  #include <watchdog.h>
> >>  #include <globalvar.h>
> >> +#include <magicvar.h>
> >>  
> >>  #define MAX_LEVEL	32		/* how deeply nested we will go */
> >>  
> >> @@ -161,9 +162,14 @@ static void watchdog_build_bootargs(struct watchdog *watchdog, struct device_nod
> >>  	free(buf);
> >>  }
> >>  
> >> +static int bootargs_overwrite = 1;
> >> +BAREBOX_MAGICVAR(global.linux.bootargs_overwrite, "overwrite original oftree bootargs");
> > 
> > How about naming it global.linux.bootargs_append instead? It would make
> > it more clear that we are deviating from the default by setting the
> > variable to true.
> > 
> 
> That's fine with me.
> 
> Can you change that or should I send a v2?

Please send a v2

Thanks
  Sascha

-- 
Pengutronix e.K.                           |                             |
Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |



More information about the barebox mailing list