sh: Kill off broken PHYSADDR() usage in sh4_flush_dcache_page().

PHYSADDR() runs in to issues in 32-bit mode when we do not have the
legacy P1/P2 areas mapped, as such, we need to use page_to_phys()
directly, which also happens to do the right thing in legacy 29-bit mode.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/sh/mm/cache-sh4.c b/arch/sh/mm/cache-sh4.c
index a5c339bca8aa..f0999606686f 100644
--- a/arch/sh/mm/cache-sh4.c
+++ b/arch/sh/mm/cache-sh4.c
@@ -123,12 +123,12 @@ static void sh4_flush_dcache_page(void *arg)
         else
 #endif
         {
-                unsigned long phys = PHYSADDR(page_address(page));
+                unsigned long phys = page_to_phys(page);
                 unsigned long addr = CACHE_OC_ADDRESS_ARRAY;
                 int i, n;
 
                 /* Loop all the D-cache */
-                n = boot_cpu_data.dcache.n_aliases;
+                n = boot_cpu_data.dcache.way_incr >> 12;
                 for (i = 0; i < n; i++, addr += 4096)
                         flush_cache_4096(addr, phys);
         }