Enter IDMA_RESET only when the controller has been reset or
the device has been plugged in to or out from a host. In
IDMA_RESET, we should disable the corresponding PRD interrupt.
Also there is a redundant space eliminated.
fusb300_udc driver is tested on FARADAY platform a369 with
FUSB300 FPGA v1.8
Signed-off-by: Yuan-Hsin Chen <yhchen@xxxxxxxxxxxxxxxx>
---
v2:
split patch
drivers/usb/gadget/fusb300_udc.c | 9 ++++++---
1 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/gadget/fusb300_udc.c b/drivers/usb/gadget/fusb300_udc.c
index c20cc58..c4dc906 100644
--- a/drivers/usb/gadget/fusb300_udc.c
+++ b/drivers/usb/gadget/fusb300_udc.c
@@ -930,12 +930,15 @@ static void fusb300_wait_idma_finished(struct fusb300_ep *ep)
fusb300_clear_int(ep->fusb300, FUSB300_OFFSET_IGR0,
FUSB300_IGR0_EPn_PRD_INT(ep->epnum));
+ return;
+
IDMA_RESET:
- fusb300_clear_int(ep->fusb300, FUSB300_OFFSET_IGER0,
- FUSB300_IGER0_EEPn_PRD_INT(ep->epnum));
+ reg = ioread32(ep->fusb300->reg + FUSB300_OFFSET_IGER0);
+ reg &= ~FUSB300_IGER0_EEPn_PRD_INT(ep->epnum);
+ iowrite32(reg, ep->fusb300->reg + FUSB300_OFFSET_IGER0);
}
-static void fusb300_set_idma(struct fusb300_ep *ep,
+static void fusb300_set_idma(struct fusb300_ep *ep,
struct fusb300_request *req)
{
dma_addr_t d;
--
1.7.4.1
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