Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

[linux.git] / drivers / usb / gadget / udc / renesas_usb3.c

diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
index d8278322d5ac1b4fafca40af9b757016be40b0ce..62dc9c7798e78a034a9e63f8c3163fcebec9e57a 100644 (file)
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c
@@ -89,6 +89,9 @@
 
 /* USB_COM_CON */
 #define USB_COM_CON_CONF               BIT(24)
+#define USB_COM_CON_PN_WDATAIF_NL      BIT(23)
+#define USB_COM_CON_PN_RDATAIF_NL      BIT(22)
+#define USB_COM_CON_PN_LSTTR_PP                BIT(21)
 #define USB_COM_CON_SPD_MODE           BIT(17)
 #define USB_COM_CON_EP0_EN             BIT(16)
 #define USB_COM_CON_DEV_ADDR_SHIFT     8
@@ -686,6 +689,9 @@ static void renesas_usb3_init_controller(struct renesas_usb3 *usb3)
 {
        usb3_init_axi_bridge(usb3);
        usb3_init_epc_registers(usb3);
+       usb3_set_bit(usb3, USB_COM_CON_PN_WDATAIF_NL |
+                    USB_COM_CON_PN_RDATAIF_NL | USB_COM_CON_PN_LSTTR_PP,
+                    USB3_USB_COM_CON);
        usb3_write(usb3, USB_OTG_IDMON, USB3_USB_OTG_INT_STA);
        usb3_write(usb3, USB_OTG_IDMON, USB3_USB_OTG_INT_ENA);
 
@@ -1369,7 +1375,7 @@ static int renesas_usb3_dma_free_prd(struct renesas_usb3 *usb3,
 
        usb3_for_each_dma(usb3, dma, i) {
                if (dma->prd) {
-                       dma_free_coherent(dev, USB3_DMA_MAX_XFER_SIZE,
+                       dma_free_coherent(dev, USB3_DMA_PRD_SIZE,
                                          dma->prd, dma->prd_dma);
                        dma->prd = NULL;
                }
@@ -1409,12 +1415,12 @@ static void usb3_start_pipen(struct renesas_usb3_ep *usb3_ep,
        int ret = -EAGAIN;
        u32 enable_bits = 0;
 
+       spin_lock_irqsave(&usb3->lock, flags);
        if (usb3_ep->halt || usb3_ep->started)
-               return;
+               goto out;
        if (usb3_req != usb3_req_first)
-               return;
+               goto out;
 
-       spin_lock_irqsave(&usb3->lock, flags);
        if (usb3_pn_change(usb3, usb3_ep->num) < 0)
                goto out;