From: Eric Nelson Date: Sat, 3 Mar 2012 12:02:20 +0000 (+0000) Subject: part_dos: align disk buffers on cache line to enable DMA and cache X-Git-Tag: v2012.07-rc1~148^2~5 X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=dec049d92427a4bf8bf4083f4ebaedbc5dc83e7b;p=oweals%2Fu-boot.git part_dos: align disk buffers on cache line to enable DMA and cache Signed-off-by: Eric Nelson Acked-by: Mike Frysinger --- diff --git a/disk/part_dos.c b/disk/part_dos.c index b5bcb3735c..c028aaf1b1 100644 --- a/disk/part_dos.c +++ b/disk/part_dos.c @@ -87,7 +87,7 @@ static int test_block_type(unsigned char *buffer) int test_part_dos (block_dev_desc_t *dev_desc) { - unsigned char buffer[dev_desc->blksz]; + ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz); if ((dev_desc->block_read(dev_desc->dev, 0, 1, (ulong *) buffer) != 1) || (buffer[DOS_PART_MAGIC_OFFSET + 0] != 0x55) || @@ -102,7 +102,7 @@ int test_part_dos (block_dev_desc_t *dev_desc) static void print_partition_extended (block_dev_desc_t *dev_desc, int ext_part_sector, int relative, int part_num) { - unsigned char buffer[dev_desc->blksz]; + ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz); dos_partition_t *pt; int i; @@ -166,7 +166,7 @@ static int get_partition_info_extended (block_dev_desc_t *dev_desc, int ext_part int relative, int part_num, int which_part, disk_partition_t *info) { - unsigned char buffer[dev_desc->blksz]; + ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, dev_desc->blksz); dos_partition_t *pt; int i;