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drivers/usbdev: support config usb req buffer alignment bytes

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we need to alloc req buffer in cacheline size units, othersize the
data may by incorrect.

Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
This commit is contained in:
dongjiuzhu1
2024-03-25 14:55:17 +08:00
committed by Xiang Xiao
parent 9ebed49d29
commit 2b571e1d11
2 changed files with 11 additions and 1 deletions
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drivers/usbdev/usbdev_req.c
+5 -1
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@@ -47,7 +47,11 @@
# define EP_ALLOCBUFFER(ep,nb) (ep)->ops->allocbuffer(ep,nb)
# define EP_FREEBUFFER(ep,buf) (ep)->ops->freebuffer(ep,buf)
#else
# define EP_ALLOCBUFFER(ep,nb) kmm_malloc(nb)
# if CONFIG_USBDEV_EPBUFFER_ALIGNMENT != 0
# define EP_ALLOCBUFFER(ep,nb) kmm_memalign(CONFIG_USBDEV_EPBUFFER_ALIGNMENT, nb)
# else
# define EP_ALLOCBUFFER(ep,nb) kmm_malloc(nb)
# endif
# define EP_FREEBUFFER(ep,buf) kmm_free(buf)
#endif