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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2012-06-20 18:08:46 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-06-30 12:46:25 +0200 |
| commit | 0128d993522ae67a84cb2760b5609eaab5e3224d (patch) | |
| tree | 182e2b51222f598c72440dcf3d3d04922f05d55a /drivers | |
| parent | 0c35d2210e2020cd8684b86fb4f2cfea663b223f (diff) | |
| download | barebox-0128d993522ae67a84cb2760b5609eaab5e3224d.tar.gz barebox-0128d993522ae67a84cb2760b5609eaab5e3224d.tar.xz | |
USB ehci: Use dma coherent buffers for qh/qtd
There's no point in syncing them manually. Instead, use
dma_alloc_coherent and skip the manual flushing/invalidating.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index a2473a9141..425406d443 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -148,9 +148,6 @@ static void cache_qh(struct ehci_priv *ehci, int flush) { int i; - flush_invalidate(ehci->qh_list, sizeof(struct QH) * NUM_QH, flush); - flush_invalidate(ehci->td, sizeof(struct qTD) * NUM_TD, flush); - for (i = 0; i < NUM_TD; i ++) cache_qtd(&ehci->td[i], flush); } @@ -878,8 +875,8 @@ static int ehci_probe(struct device_d *dev) ehci->hccr = dev_request_mem_region(dev, 0); ehci->hcor = dev_request_mem_region(dev, 1); - ehci->qh_list = xmemalign(32, sizeof(struct QH) * NUM_QH); - ehci->td = xmemalign(32, sizeof(struct qTD) * NUM_TD); + ehci->qh_list = dma_alloc_coherent(sizeof(struct QH) * NUM_TD); + ehci->td = dma_alloc_coherent(sizeof(struct qTD) * NUM_TD); host->init = ehci_init; host->submit_int_msg = submit_int_msg; |