ACPI: add arm64 to the platforms that use ioremap

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>
Tested-by: Timur Tabi <timur@codeaurora.org>
Acked-by: Robert Richter <rrichter@cavium.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Grant Likely <grant.likely@linaro.org>
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>
Signed-off-by: Will Deacon <will.deacon@arm.com>

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index f9eeae87159338d41c22235f274499db3750d66b..39748bb3a5430111b8cf4723462eb837137b0213 100644 (file)
--- 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)