diff options
Diffstat (limited to 'target/linux/mvebu/patches-3.8/016-arm_cache_l2x0_aurora_invalidate.patch')
| -rw-r--r-- | target/linux/mvebu/patches-3.8/016-arm_cache_l2x0_aurora_invalidate.patch | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/target/linux/mvebu/patches-3.8/016-arm_cache_l2x0_aurora_invalidate.patch b/target/linux/mvebu/patches-3.8/016-arm_cache_l2x0_aurora_invalidate.patch deleted file mode 100644 index 7e7c5fda8..000000000 --- a/target/linux/mvebu/patches-3.8/016-arm_cache_l2x0_aurora_invalidate.patch +++ /dev/null @@ -1,52 +0,0 @@ -From e84ed03e1c5d45305fdd9b872e0b7be97bcfda16 Mon Sep 17 00:00:00 2001 -From: Gregory CLEMENT <gregory.clement@free-electrons.com> -Date: Thu, 13 Dec 2012 15:03:27 +0100 -Subject: [PATCH] arm: cache-l2x0: aurora: Invalidate during clean operation - with WT enable - -This patch fixes a bug for Aurora L2 cache controller when the -write-through mode is enable. For the clean operation even if we don't -have to flush the lines we still need to invalidate them. - -Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> ---- - arch/arm/mm/cache-l2x0.c | 22 ++++++++++++++-------- - 1 file changed, 14 insertions(+), 8 deletions(-) - -diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c -index 6911b8b..7ffe943 100644 ---- a/arch/arm/mm/cache-l2x0.c -+++ b/arch/arm/mm/cache-l2x0.c -@@ -505,15 +505,21 @@ static void aurora_clean_range(unsigned long start, unsigned long end) - - static void aurora_flush_range(unsigned long start, unsigned long end) - { -- if (!l2_wt_override) { -- start &= ~(CACHE_LINE_SIZE - 1); -- end = ALIGN(end, CACHE_LINE_SIZE); -- while (start != end) { -- unsigned long range_end = calc_range_end(start, end); -+ start &= ~(CACHE_LINE_SIZE - 1); -+ end = ALIGN(end, CACHE_LINE_SIZE); -+ while (start != end) { -+ unsigned long range_end = calc_range_end(start, end); -+ /* -+ * If L2 is forced to WT, the L2 will always be clean and we -+ * just need to invalidate. -+ */ -+ if (l2_wt_override) - aurora_pa_range(start, range_end - CACHE_LINE_SIZE, -- AURORA_FLUSH_RANGE_REG); -- start = range_end; -- } -+ AURORA_INVAL_RANGE_REG); -+ else -+ aurora_pa_range(start, range_end - CACHE_LINE_SIZE, -+ AURORA_FLUSH_RANGE_REG); -+ start = range_end; - } - } - --- -1.7.10.4 - |