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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 /common/cmd_usb.c | |
| 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 'common/cmd_usb.c')
| -rw-r--r-- | common/cmd_usb.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/common/cmd_usb.c b/common/cmd_usb.c index 9eba271..a8e3ae5 100644 --- a/common/cmd_usb.c +++ b/common/cmd_usb.c @@ -150,7 +150,8 @@ void usb_display_class_sub(unsigned char dclass, unsigned char subclass, void usb_display_string(struct usb_device *dev, int index) { - char buffer[256]; + ALLOC_CACHE_ALIGN_BUFFER(char, buffer, 256); + if (index != 0) { if (usb_string(dev, index, &buffer[0], 256) > 0) printf("String: \"%s\"", buffer); |