Implement .handle_interrupts callback as a replacement for deprecated
dm_usb_gadget_handle_interrupts() function. The new callback allows
for each DM capable USB gadget controller driver to define its own
IRQ handling implementation without colliding with other controller
drivers.

Signed-off-by: Marek Vasut <[email protected]>
---
Cc: Alexander Sverdlin <[email protected]>
Cc: Felipe Balbi <[email protected]>
Cc: Lukasz Majewski <[email protected]>
Cc: Mattijs Korpershoek <[email protected]>
Cc: Nishanth Menon <[email protected]>
Cc: Simon Glass <[email protected]>
Cc: Thinh Nguyen <[email protected]>
Cc: Tom Rini <[email protected]>
Cc: [email protected]
---
 drivers/usb/gadget/dwc2_udc_otg.c | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/gadget/dwc2_udc_otg.c 
b/drivers/usb/gadget/dwc2_udc_otg.c
index 6bd395a6235..7e9dd6f4268 100644
--- a/drivers/usb/gadget/dwc2_udc_otg.c
+++ b/drivers/usb/gadget/dwc2_udc_otg.c
@@ -941,11 +941,6 @@ int dwc2_udc_handle_interrupt(void)
        return 0;
 }
 
-int dm_usb_gadget_handle_interrupts(struct udevice *dev)
-{
-       return dwc2_udc_handle_interrupt();
-}
-
 #if CONFIG_IS_ENABLED(DM_USB_GADGET)
 struct dwc2_priv_data {
        struct clk_bulk         clks;
@@ -1173,6 +1168,15 @@ static int dwc2_udc_otg_remove(struct udevice *dev)
        return dm_scan_fdt_dev(dev);
 }
 
+static int dwc2_gadget_handle_interrupts(struct udevice *dev)
+{
+       return dwc2_udc_handle_interrupt();
+}
+
+static const struct usb_gadget_generic_ops dwc2_gadget_ops = {
+       .handle_interrupts      = dwc2_gadget_handle_interrupts,
+};
+
 static const struct udevice_id dwc2_udc_otg_ids[] = {
        { .compatible = "snps,dwc2" },
        { .compatible = "brcm,bcm2835-usb" },
@@ -1185,6 +1189,7 @@ U_BOOT_DRIVER(dwc2_udc_otg) = {
        .name   = "dwc2-udc-otg",
        .id     = UCLASS_USB_GADGET_GENERIC,
        .of_match = dwc2_udc_otg_ids,
+       .ops    = &dwc2_gadget_ops,
        .of_to_plat = dwc2_udc_otg_of_to_plat,
        .probe = dwc2_udc_otg_probe,
        .remove = dwc2_udc_otg_remove,
@@ -1200,4 +1205,9 @@ int dwc2_udc_B_session_valid(struct udevice *dev)
 
        return readl(&usbotg_reg->gotgctl) & B_SESSION_VALID;
 }
+#else
+int dm_usb_gadget_handle_interrupts(struct udevice *dev)
+{
+       return dwc2_udc_handle_interrupt();
+}
 #endif /* CONFIG_IS_ENABLED(DM_USB_GADGET) */
-- 
2.43.0

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