omap: iovmm: remove cache flush operation
Cache flush operation is handled in the upper client layer and iovmm
modules doesn't have to care about it. This patch will improve some
performance with current camera isp driver.
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c
index 577d8c0..544772e 100644
--- a/arch/arm/plat-omap/iovmm.c
+++ b/arch/arm/plat-omap/iovmm.c
@@ -392,7 +392,6 @@
}
va_end = _va + PAGE_SIZE * i;
- flush_cache_vmap((unsigned long)_va, (unsigned long)va_end);
}
static inline void sgtable_drain_vmalloc(struct sg_table *sgt)
@@ -427,8 +426,6 @@
len -= bytes;
}
BUG_ON(len);
-
- clean_dcache_area(va, len);
}
static inline void sgtable_drain_kmalloc(struct sg_table *sgt)