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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 | |
| parent | 66cf64107b891d1cc8112ff76b5687195af2f5b0 (diff) | |
| download | u-boot-imx-f57661394a8b00029e37a5567a869e92bd13f3b8.zip u-boot-imx-f57661394a8b00029e37a5567a869e92bd13f3b8.tar.gz u-boot-imx-f57661394a8b00029e37a5567a869e92bd13f3b8.tar.bz2 | |
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')
| -rw-r--r-- | include/scsi.h | 4 | ||||
| -rw-r--r-- | include/usb.h | 4 |
2 files changed, 6 insertions, 2 deletions
diff --git a/include/scsi.h b/include/scsi.h index c52759c..89ae45f 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 */ diff --git a/include/usb.h b/include/usb.h index 48e4bcd..6da91e7 100644 --- a/include/usb.h +++ b/include/usb.h @@ -109,7 +109,9 @@ struct usb_device { int epmaxpacketout[16]; /* OUTput endpoint specific maximums */ int configno; /* selected config number */ - struct usb_device_descriptor descriptor; /* Device Descriptor */ + /* Device Descriptor */ + struct usb_device_descriptor descriptor + __attribute__((aligned(ARCH_DMA_MINALIGN))); struct usb_config config; /* config descriptor */ int have_langid; /* whether string_langid is valid yet */ |