usb: dwc2: host: avoid usage of dma_alloc_coherent with irqs disabled
Use Streaming DMA mappings to handle cache coherency of frame list and
descriptor list. Cache are always flushed before controller access it
or before cpu access it.
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index fd4c236..e7cc542 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -685,6 +685,7 @@
* @otg_port: OTG port number
* @frame_list: Frame list
* @frame_list_dma: Frame list DMA address
+ * @frame_list_sz: Frame list size
*
* These are for peripheral mode:
*
@@ -804,6 +805,7 @@
u8 otg_port;
u32 *frame_list;
dma_addr_t frame_list_dma;
+ u32 frame_list_sz;
#ifdef DEBUG
u32 frrem_samples;