[PATCH v9 03/21] ACPI: add arm64 to the platforms that use ioremap

[Hanjun Guo]

From: Graeme Gregory <graeme.gregory@xxxxxxxxxx>

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@xxxxxxxxxxxxx>
Tested-by: Robert Richter <rrichter@xxxxxxxxxx>
Acked-by: Robert Richter <rrichter@xxxxxxxxxx>
Signed-off-by: Al Stone <al.stone@xxxxxxxxxx>
Signed-off-by: Graeme Gregory <graeme.gregory@xxxxxxxxxx>
Signed-off-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
---
 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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