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usb: host: ohci: convert to streaming DMA ops 

Move to the common streaming DMA ops in order to get rid of
the direct usage of the ARM MMU functions for the cache
maintenance.

Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Lucas Stach 2015-03-05 22:50:19 +01:00 committed by Sascha Hauer
parent 602d399e63
commit 0ba21609c4
1 changed files with 6 additions and 4 deletions
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10
drivers/usb/host/ohci-hcd.c
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@ -43,6 +43,7 @@
#include <common.h>
#include <dma.h>
#include <clock.h>
#include <dma.h>
#include <malloc.h>
#include <usb/usb.h>
#include <usb/usb_defs.h>
@ -52,7 +53,6 @@
#include <asm/byteorder.h>
#include <io.h>
#include <asm/mmu.h>
#include "ohci.h"
@ -857,7 +857,7 @@ static void td_fill(struct ohci *ohci, unsigned int info,
td->hwNextTD = virt_to_phys((void *)m32_swap((unsigned long)td_pt));
dma_flush_range((unsigned long)data, (unsigned long)(data + len));
dma_sync_single_for_device((unsigned long)data, len, DMA_BIDIRECTIONAL);
/* append to queue */
td->ed->hwTailP = td->hwNextTD;
@ -1093,7 +1093,8 @@ static int dl_done_list(struct ohci *ohci)
unsigned long ptdphys = virt_to_phys(ptd);
struct td *td_list;
dma_clean_range(ptdphys, ptdphys + (sizeof(struct td) * NUM_TD));
dma_sync_single_for_device((unsigned long)ptdphys,
sizeof(struct td) * NUM_TD, DMA_BIDIRECTIONAL);
td_list = dl_reverse_done_list(ohci);
@ -1529,7 +1530,8 @@ static int submit_common_msg(struct usb_device *dev, unsigned long pipe, void *b
dev->status = stat;
dev->act_len = urb->actual_length;
dma_inv_range((unsigned long)buffer, (unsigned long)(buffer + transfer_len));
dma_sync_single_for_cpu((unsigned long)buffer, transfer_len,
DMA_BIDIRECTIONAL);
pkt_print(urb, dev, pipe, buffer, transfer_len,
setup, "RET(ctlr)", usb_pipein(pipe));