[U-Boot] [PATCH v2 5/7] bootcount: spl: Extend SPL to support bootcount incrementation

[Lukasz Majewski <lukma@denx.de>]

Hi Stefan,

> > Lukasz Majewski <lukma@denx.de> hat am 14. März 2018 um 18:24
> > geschrieben:
> > 
> > 
> > This patch adds support for incrementation of the bootcount in SPL.
> > Such feature is necessary when we do want to use this feature with
> > 'falcon' boot mode (which loads OS directly in SPL).
> > 
> > Signed-off-by: Lukasz Majewski <lukma@denx.de>
> > 
> > ---
> > 
> > Changes in v2:
> > - New patch - as suggested by Stefan Roese - bootcount_inc() is
> > called in common SPL code (./common/spl/spl.c), so other boards can
> > also reuse it without modification
> > 
> >  common/spl/spl.c | 7 +++++++
> >  1 file changed, 7 insertions(+)
> > 
> > diff --git a/common/spl/spl.c b/common/spl/spl.c
> > index b1ce56d0d0..01e7989869 100644
> > --- a/common/spl/spl.c
> > +++ b/common/spl/spl.c
> > @@ -20,6 +20,9 @@
> >  #include <dm/root.h>
> >  #include <linux/compiler.h>
> >  #include <fdt_support.h>
> > +#ifdef CONFIG_SPL_BOOTCOUNT_LIMIT
> > +#include <bootcount.h>
> > +#endif  
> 
> Is this #ifdef necessary? If not, please remove it. 

The problem is that after removing those #ifdefs I do have SPL build
breaks on .... x86 arch.

It seems like some kind of non-trival dependency introduced in generic
bootcount.h u-boot file.

I even thought about introducing new file - like bootcount_spl.h

> 
> >  
> >  DECLARE_GLOBAL_DATA_PTR;
> >  
> > @@ -411,6 +414,10 @@ void board_init_r(gd_t *dummy1, ulong dummy2)
> >  	spl_board_init();
> >  #endif
> >  
> > +#ifdef CONFIG_SPL_BOOTCOUNT_LIMIT
> > +	bootcount_inc();
> > +#endif
> > +  
> 
> I think you can remove this #ifdef as well here. You have the
> #ifdef in the header already.

Yes, it can be removed.

> 
> Thanks,
> Stefan




Best regards,

Lukasz Majewski

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