1c1
< /* $FreeBSD: head/sys/dev/usb2/core/usb2_busdma.c 184824 2008-11-10 20:54:31Z thompsa $ */
---
> /* $FreeBSD: head/sys/dev/usb2/core/usb2_busdma.c 185087 2008-11-19 08:56:35Z alfred $ */
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> * We have to unload the previous loaded DMA
> * pages before trying to load a new one!
> */
> bus_dmamap_unload(pc->tag, pc->map);
>
> /*
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> * We have to unload the previous loaded DMA
> * pages before trying to load a new one!
> */
> bus_dmamap_unload(pc->tag, pc->map);
>
> /*
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> if (pc->page_offset_end == pc->page_offset_buf) {
> /* nothing has been loaded into this page cache! */
> return;
> }
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> if (pc->page_offset_end == pc->page_offset_buf) {
> /* nothing has been loaded into this page cache! */
> return;
> }
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> /*
> * We have to unload the previous loaded DMA
> * pages before trying to load a new one!
> */
> bus_dmamap_unload(pc->tag, pc->map);
>
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> if (len == 0) {
> /* nothing has been loaded into this page cache */
> return;
> }
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> if (len == 0) {
> /* nothing has been loaded into this page cache */
> return;
> }
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< if (pc->page_offset_buf != pc->page_offset_end) {
< if (pc->isread) {
< usb2_pc_cpu_invalidate(pc);
< } else {
< usb2_pc_cpu_flush(pc);
< }
---
> if (pc->isread) {
> usb2_pc_cpu_invalidate(pc);
> } else {
> usb2_pc_cpu_flush(pc);
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<
< if (pc->page_offset_buf != pc->page_offset_end) {
< if (pc->isread) {
< usb2_pc_cpu_invalidate(pc);
< }
---
> if (pc->isread) {
> usb2_pc_cpu_invalidate(pc);