diff options
| author | Nicolas Pitre <nico@cam.org> | 2008-11-08 23:15:53 +0300 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-11-09 02:08:54 +0300 |
| commit | 72bc2b1ad62f4d2f0a51b35829093d41f55accce (patch) | |
| tree | 56a6c8db69e4835259ba135c721a28b3a91ba4ed /arch/arm/mm | |
| parent | 4bab0ea1d42dd1927af9df6fbf0003fc00617c50 (diff) | |
| download | linux-72bc2b1ad62f4d2f0a51b35829093d41f55accce.tar.xz | |
[ARM] 5329/1: Feroceon: fix feroceon_l2_inv_range
Same fix as commit c7cf72dcadb: when 'start' and 'end' are less than a
cacheline apart and 'start' is unaligned we are done after cleaning and
invalidating the first cacheline.
Cc: <stable@kernel.org>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/cache-feroceon-l2.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/mm/cache-feroceon-l2.c b/arch/arm/mm/cache-feroceon-l2.c index 13cdae8b0d44..80cd207cbaea 100644 --- a/arch/arm/mm/cache-feroceon-l2.c +++ b/arch/arm/mm/cache-feroceon-l2.c @@ -150,7 +150,7 @@ static void feroceon_l2_inv_range(unsigned long start, unsigned long end) /* * Clean and invalidate partial last cache line. */ - if (end & (CACHE_LINE_SIZE - 1)) { + if (start < end && end & (CACHE_LINE_SIZE - 1)) { l2_clean_inv_pa(end & ~(CACHE_LINE_SIZE - 1)); end &= ~(CACHE_LINE_SIZE - 1); } @@ -158,7 +158,7 @@ static void feroceon_l2_inv_range(unsigned long start, unsigned long end) /* * Invalidate all full cache lines between 'start' and 'end'. */ - while (start != end) { + while (start < end) { unsigned long range_end = calc_range_end(start, end); l2_inv_pa_range(start, range_end - CACHE_LINE_SIZE); start = range_end; |