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| author | Puneet Saxena <puneets@nvidia.com> | 2012-04-03 14:56:06 +0530 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2012-05-20 08:32:32 +0200 |
| commit | f57661394a8b00029e37a5567a869e92bd13f3b8 (patch) | |
| tree | d00363f82c23324c8e69353c7bfb38ae183c803c /include/scsi.h | |
| parent | 66cf64107b891d1cc8112ff76b5687195af2f5b0 (diff) | |
| download | olio-uboot-2014.01-f57661394a8b00029e37a5567a869e92bd13f3b8.tar.xz olio-uboot-2014.01-f57661394a8b00029e37a5567a869e92bd13f3b8.zip | |
USB: Align buffers at cacheline
This avoids cache-alignment warnings shown in console
when a usb command is entered.
Whenever X bytes of unaligned buffer is invalidated, arm core
invalidates X + Y bytes as per the cache line size and throws
these warnings.
Signed-off-by: Puneet Saxena <puneets@nvidia.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'include/scsi.h')
| -rw-r--r-- | include/scsi.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/scsi.h b/include/scsi.h index c52759c78..89ae45f8e 100644 --- a/include/scsi.h +++ b/include/scsi.h @@ -26,7 +26,9 @@ typedef struct SCSI_cmd_block{ unsigned char cmd[16]; /* command */ - unsigned char sense_buf[64]; /* for request sense */ + /* for request sense */ + unsigned char sense_buf[64] + __attribute__((aligned(ARCH_DMA_MINALIGN))); unsigned char status; /* SCSI Status */ unsigned char target; /* Target ID */ unsigned char lun; /* Target LUN */ |