[ARM] 4554/1: replace consistent_sync() with flush_ioremap_region()
This fixes a regression from around 2.6.18, consistent_sync() will now BUG()
under these circumstances. The use of consistent_sync() was a hack, replacing
it's usage here with a new function, flush_ioremap_region().
Signed-off-by: Jared Hulbert <jaredeh@gmail.com>
Acked-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/cacheflush.h b/include/asm-arm/cacheflush.h
index d1294a4..6c1c968 100644
--- a/include/asm-arm/cacheflush.h
+++ b/include/asm-arm/cacheflush.h
@@ -426,6 +426,13 @@
*/
#define flush_icache_page(vma,page) do { } while (0)
+static inline void flush_ioremap_region(unsigned long phys, void __iomem *virt,
+ unsigned offset, size_t size)
+{
+ const void *start = (void __force *)virt + offset;
+ dmac_inv_range(start, start + size);
+}
+
#define __cacheid_present(val) (val != read_cpuid(CPUID_ID))
#define __cacheid_type_v7(val) ((val & (7 << 29)) == (4 << 29))