Merge branch 'master' of git://git.denx.de/u-boot-usbWIP/16Dec2020

- r8152, xhci fixes

3 files changed, 42 insertions, 7 deletions

diff --git a/drivers/usb/eth/r8152.c b/drivers/usb/eth/r8152.c
index 215bcbb..5f30919 100644
--- a/drivers/usb/eth/r8152.c
+++ b/drivers/usb/eth/r8152.c
@@ -447,6 +447,12 @@ static void rtl8152_set_rx_mode(struct r8152 *tp)
 	ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data);
 }
 
+static inline void r8153b_rx_agg_chg_indicate(struct r8152 *tp)
+{
+	ocp_write_byte(tp, MCU_TYPE_USB, USB_UPT_RXDMA_OWN,
+		       OWN_UPDATE | OWN_CLEAR);
+}
+
 static int rtl_enable(struct r8152 *tp)
 {
 	u32 ocp_data;
@@ -457,6 +463,15 @@ static int rtl_enable(struct r8152 *tp)
 	ocp_data |= PLA_CR_RE | PLA_CR_TE;
 	ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data);
 
+	switch (tp->version) {
+	case RTL_VER_08:
+	case RTL_VER_09:
+		r8153b_rx_agg_chg_indicate(tp);
+		break;
+	default:
+		break;
+	}
+
 	rxdy_gated_en(tp, false);
 
 	rtl8152_set_rx_mode(tp);
@@ -525,8 +540,6 @@ static void r8153_set_rx_early_size(struct r8152 *tp)
 		debug("** %s Invalid Device\n", __func__);
 		break;
 	}
-
-	ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_SIZE, ocp_data);
 }
 
 static int rtl8153_enable(struct r8152 *tp)
@@ -1647,7 +1660,7 @@ int r8152_eth_probe(struct usb_device *dev, unsigned int ifnum,
 	if (usb_set_interface(dev, iface_desc->bInterfaceNumber, 0) ||
 	    !ss->ep_in || !ss->ep_out || !ss->ep_int) {
 		debug("Problems with device\n");
-		return 0;
+		goto error;
 	}
 
 	dev->privptr = (void *)ss;
@@ -1659,7 +1672,7 @@ int r8152_eth_probe(struct usb_device *dev, unsigned int ifnum,
 	r8152b_get_version(tp);
 
 	if (rtl_ops_init(tp))
-		return 0;
+		goto error;
 
 	tp->rtl_ops.init(tp);
 	tp->rtl_ops.up(tp);
@@ -1669,6 +1682,11 @@ int r8152_eth_probe(struct usb_device *dev, unsigned int ifnum,
 			  DUPLEX_FULL);
 
 	return 1;
+
+error:
+	cfree(ss->dev_priv);
+	ss->dev_priv = 0;
+	return 0;
 }
 
 int r8152_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
diff --git a/drivers/usb/eth/r8152.h b/drivers/usb/eth/r8152.h
index fa57e42..45172c0 100644
--- a/drivers/usb/eth/r8152.h
+++ b/drivers/usb/eth/r8152.h
@@ -92,6 +92,7 @@
 #define USB_PM_CTRL_STATUS	0xd432	/* RTL8153A */
 #define USB_RX_EXTRA_AGGR_TMR	0xd432	/* RTL8153B */
 #define USB_TX_DMA		0xd434
+#define USB_UPT_RXDMA_OWN	0xd437
 #define USB_TOLERANCE		0xd490
 #define USB_LPM_CTRL		0xd41a
 #define USB_BMU_RESET		0xd4b0
@@ -346,6 +347,10 @@
 #define BMU_RESET_EP_IN		0x01
 #define BMU_RESET_EP_OUT	0x02
 
+/* USB_UPT_RXDMA_OWN */
+#define OWN_UPDATE		BIT(0)
+#define OWN_CLEAR		BIT(1)
+
 /* USB_UPS_CTRL */
 #define POWER_CUT		0x0100
 
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 13065d7..d708fc9 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -580,10 +580,13 @@ int xhci_bulk_tx(struct usb_device *udev, unsigned long pipe,
 	int ret;
 	u32 trb_fields[4];
 	u64 val_64 = virt_to_phys(buffer);
+	void *last_transfer_trb_addr;
+	int available_length;
 
 	debug("dev=%p, pipe=%lx, buffer=%p, length=%d\n",
 		udev, pipe, buffer, length);
 
+	available_length = length;
 	ep_index = usb_pipe_ep_index(pipe);
 	virt_dev = ctrl->devs[slot_id];
 
@@ -697,7 +700,7 @@ int xhci_bulk_tx(struct usb_device *udev, unsigned long pipe,
 		trb_fields[2] = length_field;
 		trb_fields[3] = field | TRB_TYPE(TRB_NORMAL);
 
-		queue_trb(ctrl, ring, (num_trbs > 1), trb_fields);
+		last_transfer_trb_addr = queue_trb(ctrl, ring, (num_trbs > 1), trb_fields);
 
 		--num_trbs;
 
@@ -710,6 +713,7 @@ int xhci_bulk_tx(struct usb_device *udev, unsigned long pipe,
 
 	giveback_first_trb(udev, ep_index, start_cycle, start_trb);
 
+again:
 	event = xhci_wait_for_event(ctrl, TRB_TRANSFER);
 	if (!event) {
 		debug("XHCI bulk transfer timed out, aborting...\n");
@@ -718,12 +722,20 @@ int xhci_bulk_tx(struct usb_device *udev, unsigned long pipe,
 		udev->act_len = 0;
 		return -ETIMEDOUT;
 	}
-	field = le32_to_cpu(event->trans_event.flags);
 
+	if ((uintptr_t)(le64_to_cpu(event->trans_event.buffer))
+			!= (uintptr_t)last_transfer_trb_addr) {
+		available_length -=
+			(int)EVENT_TRB_LEN(le32_to_cpu(event->trans_event.transfer_len));
+		xhci_acknowledge_event(ctrl);
+		goto again;
+	}
+
+	field = le32_to_cpu(event->trans_event.flags);
 	BUG_ON(TRB_TO_SLOT_ID(field) != slot_id);
 	BUG_ON(TRB_TO_EP_INDEX(field) != ep_index);
 
-	record_transfer_result(udev, event, length);
+	record_transfer_result(udev, event, available_length);
 	xhci_acknowledge_event(ctrl);
 	xhci_inval_cache((uintptr_t)buffer, length);