usb/musb/musb_core.c

1386 	u8	c_size;
1393 	c_size = size - 3;
1398 		c_size |= MUSB_FIFOSZ_DPB;
1415 		musb_writeb(mbase, MUSB_TXFIFOSZ, c_size);
1417 		hw_ep->tx_double_buffered = !!(c_size & MUSB_FIFOSZ_DPB);
1421 		musb_writeb(mbase, MUSB_RXFIFOSZ, c_size);
1423 		hw_ep->rx_double_buffered = !!(c_size & MUSB_FIFOSZ_DPB);
1427 		musb_writeb(mbase, MUSB_TXFIFOSZ, c_size);
1429 		hw_ep->rx_double_buffered = !!(c_size & MUSB_FIFOSZ_DPB);
1432 		musb_writeb(mbase, MUSB_RXFIFOSZ, c_size);
1446 	return offset + (maxpacket << ((c_size & MUSB_FIFOSZ_DPB) ? 1 : 0));