Commit 069a3fd1 authored by Tony Lindgren's avatar Tony Lindgren Committed by Felipe Balbi
Browse files

usb: musb: Remove ifdefs for musb_host_rx in musb_host.c part1 



Remove ifdefs for musb_host_rx to get closer to building in
all the DMA drivers.

Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 754fe4a9

drivers/usb/musb/musb_host.c

+44 −17
Original line number Original line Diff line number Diff line
@@ -1533,6 +1533,44 @@ void musb_host_tx(struct musb *musb, u8 epnum) 
			MUSB_TXCSR_H_WZC_BITS | MUSB_TXCSR_TXPKTRDY);

			MUSB_TXCSR_H_WZC_BITS | MUSB_TXCSR_TXPKTRDY);

}

}





#ifdef CONFIG_USB_TI_CPPI41_DMA

/* Seems to set up ISO for cppi41 and not advance len. See commit c57c41d */

static int musb_rx_dma_iso_cppi41(struct dma_controller *dma,

				  struct musb_hw_ep *hw_ep,

				  struct musb_qh *qh,

				  struct urb *urb,

				  size_t len)

{

	struct dma_channel *channel = hw_ep->tx_channel;

	void __iomem *epio = hw_ep->regs;

	dma_addr_t *buf;

	u32 length, res;

	u16 val;



	buf = (void *)urb->iso_frame_desc[qh->iso_idx].offset +

		(u32)urb->transfer_dma;



	length = urb->iso_frame_desc[qh->iso_idx].length;



	val = musb_readw(epio, MUSB_RXCSR);

	val |= MUSB_RXCSR_DMAENAB;

	musb_writew(hw_ep->regs, MUSB_RXCSR, val);



	res = dma->channel_program(channel, qh->maxpacket, 0,

				   (u32)buf, length);



	return res;

}

#else

static inline int musb_rx_dma_iso_cppi41(struct dma_controller *dma,

					 struct musb_hw_ep *hw_ep,

					 struct musb_qh *qh,

					 struct urb *urb,

					 size_t len)

{

	return false;

}

#endif





#ifdef CONFIG_USB_INVENTRA_DMA

#ifdef CONFIG_USB_INVENTRA_DMA
@@ -1746,25 +1784,14 @@ void musb_host_rx(struct musb *musb, u8 epnum) 
			if (++qh->iso_idx >= urb->number_of_packets) {

			if (++qh->iso_idx >= urb->number_of_packets) {

				done = true;

				done = true;

			} else {

			} else {

#if defined(CONFIG_USB_TI_CPPI41_DMA)

				struct dma_controller *c = musb->dma_controller;

				struct dma_controller   *c;

				dma_addr_t *buf;

				u32 length, ret;



				c = musb->dma_controller;

				buf = (void *)

					urb->iso_frame_desc[qh->iso_idx].offset

					+ (u32)urb->transfer_dma;





				length =

				/* REVISIT: Why ignore return value here? */

					urb->iso_frame_desc[qh->iso_idx].length;

				if (musb_dma_cppi41(musb))

					done = musb_rx_dma_iso_cppi41(c, hw_ep,

								      qh, urb,

								      xfer_len);





				val |= MUSB_RXCSR_DMAENAB;

				musb_writew(hw_ep->regs, MUSB_RXCSR, val);



				ret = c->channel_program(dma, qh->maxpacket,

						0, (u32) buf, length);

#endif

				done = false;

				done = false;

			}

			}