On Thu, May 23, 2019 at 05:04:18PM -0700, Stephen Boyd wrote:
> Quoting Hsin-Yi Wang (2019-05-19 09:04:44)
> > diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
> > index a170c6369a68..29648e86f7e5 100644
> > --- a/arch/arm64/mm/mmu.c
> > +++ b/arch/arm64/mm/mmu.c
> > @@ -940,12 +940,12 @@ voi
On Mon, May 20, 2019 at 12:04:44AM +0800, Hsin-Yi Wang wrote:
> Currently in arm64, FDT is mapped to RO before it's passed to
> early_init_dt_scan(). However, there might be some code that needs
> to modify FDT during init. Map FDT to RW until unflatten DT.
typo in the subject.
Otherwise, this on
Quoting Hsin-Yi Wang (2019-05-19 09:04:44)
> diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
> index a170c6369a68..29648e86f7e5 100644
> --- a/arch/arm64/mm/mmu.c
> +++ b/arch/arm64/mm/mmu.c
> @@ -940,12 +940,12 @@ void *__init __fixmap_remap_fdt(phys_addr_t dt_phys,
> int *size, pgprot_t p
s/amr64/arm64/ in the commit title.
On Mon, May 20, 2019 at 1:09 AM Hsin-Yi Wang wrote:
>
> Currently in arm64, FDT is mapped to RO before it's passed to
> early_init_dt_scan(). However, there might be some code that needs
> to modify FDT during init.
I'd give a specific example (i.e. mention th
Currently in arm64, FDT is mapped to RO before it's passed to
early_init_dt_scan(). However, there might be some code that needs
to modify FDT during init. Map FDT to RW until unflatten DT.
Signed-off-by: Hsin-Yi Wang
---
change log v2->v4:
* v3 abandoned
* add an arg pgprot_t to fixmap_remap_fdt
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