| From | Grant Likely <> | Subject | Re: [PATCH v9 03/21] ACPI: add arm64 to the platforms that use ioremap | Date | Fri, 06 Mar 2015 20:20:42 +0000 |
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On Wed, 25 Feb 2015 16:39:43 +0800 , Hanjun Guo <hanjun.guo@linaro.org> wrote: > From: Graeme Gregory <graeme.gregory@linaro.org> > > Now with the base changes to the arm memory mapping it is safe > to convert to using ioremap to map in the tables after > acpi_gbl_permanent_mmap is set. > > CC: Rafael J Wysocki <rjw@rjwysocki.net> > Tested-by: Robert Richter <rrichter@cavium.com> > Acked-by: Robert Richter <rrichter@cavium.com> > Signed-off-by: Al Stone <al.stone@linaro.org> > Signed-off-by: Graeme Gregory <graeme.gregory@linaro.org> > Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
LGTM.
Reviewed-by: Grant Likely <grant.likely@linaro.org>
> --- > drivers/acpi/osl.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c > index f9eeae8..39748bb 100644 > --- a/drivers/acpi/osl.c > +++ b/drivers/acpi/osl.c > @@ -336,11 +336,11 @@ acpi_map_lookup_virt(void __iomem *virt, acpi_size size) > return NULL; > } > > -#ifndef CONFIG_IA64 > -#define should_use_kmap(pfn) page_is_ram(pfn) > -#else > +#if defined(CONFIG_IA64) || defined(CONFIG_ARM64) > /* ioremap will take care of cache attributes */ > #define should_use_kmap(pfn) 0 > +#else > +#define should_use_kmap(pfn) page_is_ram(pfn) > #endif > > static void __iomem *acpi_map(acpi_physical_address pg_off, unsigned long pg_sz) > -- > 1.9.1 >
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