summaryrefslogtreecommitdiffstats
path: root/arch/arm/mm/cache-l2x0.c
diff options
context:
space:
mode:
authorDavid Woodhouse <dwmw2@infradead.org>2007-10-13 14:43:54 +0100
committerDavid Woodhouse <dwmw2@infradead.org>2007-10-13 14:43:54 +0100
commitb160292cc216a50fd0cd386b0bda2cd48352c73b (patch)
treeef07cf98f91353ee4c9ec1e1ca7a2a5d9d4b538a /arch/arm/mm/cache-l2x0.c
parentb37bde147890c8fea8369a5a4e230dabdea4ebfb (diff)
parentbbf25010f1a6b761914430f5fca081ec8c7accd1 (diff)
downloadop-kernel-dev-b160292cc216a50fd0cd386b0bda2cd48352c73b.zip
op-kernel-dev-b160292cc216a50fd0cd386b0bda2cd48352c73b.tar.gz
Merge Linux 2.6.23
Diffstat (limited to 'arch/arm/mm/cache-l2x0.c')
-rw-r--r--arch/arm/mm/cache-l2x0.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index b4e9b73..76b800a 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -57,7 +57,17 @@ static void l2x0_inv_range(unsigned long start, unsigned long end)
{
unsigned long addr;
- start &= ~(CACHE_LINE_SIZE - 1);
+ if (start & (CACHE_LINE_SIZE - 1)) {
+ start &= ~(CACHE_LINE_SIZE - 1);
+ sync_writel(start, L2X0_CLEAN_INV_LINE_PA, 1);
+ start += CACHE_LINE_SIZE;
+ }
+
+ if (end & (CACHE_LINE_SIZE - 1)) {
+ end &= ~(CACHE_LINE_SIZE - 1);
+ sync_writel(end, L2X0_CLEAN_INV_LINE_PA, 1);
+ }
+
for (addr = start; addr < end; addr += CACHE_LINE_SIZE)
sync_writel(addr, L2X0_INV_LINE_PA, 1);
cache_sync();
OpenPOWER on IntegriCloud