ARM: pxa: lubbock: pass udc irqs as resource

Lubbock is the only machine that has three IRQs for the UDC.
These are currently hardcoded in the driver based on a
machine header file.

Change this to use platform device resources as we use for
the generic IRQ anyway.

Cc: Felipe Balbi <[e-mail]>
Cc: Greg Kroah-Hartman <[e-mail]>
Cc: [e-mail]
Acked-by: Robert Jarzmik <[e-mail]>
Signed-off-by: Arnd Bergmann <[e-mail]>

arch/arm/mach-pxa/include/mach/lubbock.h arch/arm/mach-pxa/lubbock.h

···
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
- *  arch/arm/mach-pxa/include/mach/lubbock.h
- *
  *  Author:	Nicolas Pitre
  *  Created:	Jun 15, 2001
  *  Copyright:	MontaVista Software Inc.

arch/arm/mach-pxa/lubbock.c

···
 
 #include "pxa25x.h"
 #include <linux/platform_data/asoc-pxa.h>
-#include <mach/lubbock.h>
+#include "lubbock.h"
 #include "udc.h"
 #include <linux/platform_data/irda-pxaficp.h>
 #include <linux/platform_data/video-pxafb.h>
···
 static struct pxa2xx_udc_mach_info udc_info __initdata = {
 	.udc_is_connected	= lubbock_udc_is_connected,
 	// no D+ pullup; lubbock can't connect/disconnect in software
+};
+
+static struct resource lubbock_udc_resources[] = {
+	DEFINE_RES_MEM(0x40600000, 0x10000),
+	DEFINE_RES_IRQ(IRQ_USB),
+	DEFINE_RES_IRQ(LUBBOCK_USB_IRQ),
+	DEFINE_RES_IRQ(LUBBOCK_USB_DISC_IRQ),
 };
 
 /* GPIOs for SA1111 PCMCIA */
···
 	lubbock_init_pcmcia();
 
 	clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL);
+	/* lubbock has two extra IRQs */
+	pxa25x_device_udc.resource = lubbock_udc_resources;
+	pxa25x_device_udc.num_resources = ARRAY_SIZE(lubbock_udc_resources);
 	pxa_set_udc_info(&udc_info);
 	pxa_set_fb_info(NULL, &sharp_lm8v31);
 	pxa_set_mci_info(&lubbock_mci_platform_data);

drivers/usb/gadget/udc/pxa25x_udc.c

···
 #include <linux/usb/gadget.h>
 #include <linux/usb/otg.h>
 
-#ifdef CONFIG_ARCH_LUBBOCK
-#include <mach/lubbock.h>
-#endif
-
 #define UDCCR	 0x0000 /* UDC Control Register */
 #define UDC_RES1 0x0004 /* UDC Undocumented - Reserved1 */
 #define UDC_RES2 0x0008 /* UDC Undocumented - Reserved2 */
···
 	int			vbus;
 
 	dev->stats.irqs++;
-	switch (irq) {
-	case LUBBOCK_USB_IRQ:
+	if (irq == dev->usb_irq) {
 		vbus = 1;
-		disable_irq(LUBBOCK_USB_IRQ);
-		enable_irq(LUBBOCK_USB_DISC_IRQ);
-		break;
-	case LUBBOCK_USB_DISC_IRQ:
+		disable_irq(dev->usb_irq);
+		enable_irq(dev->usb_disc_irq);
+	} else if (irq == dev->usb_disc_irq) {
 		vbus = 0;
-		disable_irq(LUBBOCK_USB_DISC_IRQ);
-		enable_irq(LUBBOCK_USB_IRQ);
-		break;
-	default:
+		disable_irq(dev->usb_disc_irq);
+		enable_irq(dev->usb_irq);
+	} else {
 		return IRQ_NONE;
 	}
 
···
 
 #ifdef CONFIG_ARCH_LUBBOCK
 	if (machine_is_lubbock()) {
-		retval = devm_request_irq(&pdev->dev, LUBBOCK_USB_DISC_IRQ,
+		dev->usb_irq = platform_get_irq(pdev, 1);
+		if (dev->usb_irq < 0)
+			return dev->usb_irq;
+
+		dev->usb_disc_irq = platform_get_irq(pdev, 2);
+		if (dev->usb_disc_irq < 0)
+			return dev->usb_disc_irq;
+
+		retval = devm_request_irq(&pdev->dev, dev->usb_disc_irq,
 					  lubbock_vbus_irq, 0, driver_name,
 					  dev);
 		if (retval != 0) {
 			pr_err("%s: can't get irq %i, err %d\n",
-				driver_name, LUBBOCK_USB_DISC_IRQ, retval);
+				driver_name, dev->usb_disc_irq, retval);
 			goto err;
 		}
-		retval = devm_request_irq(&pdev->dev, LUBBOCK_USB_IRQ,
+		retval = devm_request_irq(&pdev->dev, dev->usb_irq,
 					  lubbock_vbus_irq, 0, driver_name,
 					  dev);
 		if (retval != 0) {
 			pr_err("%s: can't get irq %i, err %d\n",
-				driver_name, LUBBOCK_USB_IRQ, retval);
+				driver_name, dev->usb_irq, retval);
 			goto err;
 		}
 	} else

drivers/usb/gadget/udc/pxa25x_udc.h

···
 	u64					dma_mask;
 	struct pxa25x_ep			ep [PXA_UDC_NUM_ENDPOINTS];
 	void __iomem				*regs;
+	int					usb_irq;
+	int					usb_disc_irq;
 };
 #define to_pxa25x(g)	(container_of((g), struct pxa25x_udc, gadget))
 
 /*-------------------------------------------------------------------------*/
-
-#ifdef CONFIG_ARCH_LUBBOCK
-#include <mach/lubbock.h>
-/* lubbock can also report usb connect/disconnect irqs */
-#endif
 
 static struct pxa25x_udc *the_controller;