tom.leiming@xxxxxxxxx wrote: > In ath9k_hif_usb_alloc_rx_urbs, ath9k-htc will pass skb->data into > usb hcd and usb hcd will do dma mapping and unmapping to the buffer > pointed by skb->data, so we should pass a cache-line aligned address. > > This patch replace __dev_alloc_skb with alloc_skb to make skb->data > pointed to a cacheline aligned address simply since ath9k-htc does not > skb_push on the skb. > AFAIK, the only architecture that has a requirement to override NET_SKB_PAD is powerpc, and it does it anyway - by setting it to a cacheline size. So why do we need to do this ? Sujith -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
