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>
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 @@
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 */