usb: Drop old non-DM code

The driver model deadline for USB was in 2019, so drop the old USB
keyboard code, to avoid needing to deal with the extra code path.

Drop the unnecessary #ifdef around USB_KBD_BOOT_REPORT_SIZE while we
are here.

Signed-off-by: Simon Glass <sjg@chromium.org>

cmd/usb.c

@@ -560,17 +560,6 @@ static int do_usbboot(struct cmd_tbl *cmdtp, int flag, int argc,
 }
 #endif /* CONFIG_USB_STORAGE */
 
-static int do_usb_stop_keyboard(int force)
-{
-#if !defined CONFIG_DM_USB && defined CONFIG_USB_KEYBOARD
-	if (usb_kbd_deregister(force) != 0) {
-		printf("USB not stopped: usbkbd still using USB\n");
-		return 1;
-	}
-#endif
-	return 0;
-}
-
 static void do_usb_start(void)
 {
 	bootstage_mark_name(BOOTSTAGE_ID_USB_START, "usb_start");
@@ -583,11 +572,6 @@ static void do_usb_start(void)
 	/* try to recognize storage devices immediately */
 	usb_stor_curr_dev = usb_stor_scan(1);
 # endif
-#ifndef CONFIG_DM_USB
-# ifdef CONFIG_USB_KEYBOARD
-	drv_usb_kbd_init();
-# endif
-#endif /* !CONFIG_DM_USB */
 }
 
 #ifdef CONFIG_DM_USB
@@ -633,8 +617,6 @@ static int do_usb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 
 	if (strncmp(argv[1], "reset", 5) == 0) {
 		printf("resetting USB...\n");
-		if (do_usb_stop_keyboard(1) != 0)
-			return 1;
 		usb_stop();
 		do_usb_start();
 		return 0;
@@ -642,8 +624,6 @@ static int do_usb(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 	if (strncmp(argv[1], "stop", 4) == 0) {
 		if (argc != 2)
 			console_assign(stdin, "serial");
-		if (do_usb_stop_keyboard(0) != 0)
-			return 1;
 		printf("stopping USB..\n");
 		usb_stop();
 		return 0;

common/usb_kbd.c

@@ -643,71 +643,6 @@ static int probe_usb_keyboard(struct usb_device *dev)
 	return 0;
 }
 
-#if !CONFIG_IS_ENABLED(DM_USB)
-/* Search for keyboard and register it if found. */
-int drv_usb_kbd_init(void)
-{
-	int error, i;
-
-	debug("%s: Probing for keyboard\n", __func__);
-	/* Scan all USB Devices */
-	for (i = 0; i < USB_MAX_DEVICE; i++) {
-		struct usb_device *dev;
-
-		/* Get USB device. */
-		dev = usb_get_dev_index(i);
-		if (!dev)
-			break;
-
-		if (dev->devnum == -1)
-			continue;
-
-		error = probe_usb_keyboard(dev);
-		if (!error)
-			return 1;
-		if (error && error != -ENOENT)
-			return error;
-	}
-
-	/* No USB Keyboard found */
-	return -1;
-}
-
-/* Deregister the keyboard. */
-int usb_kbd_deregister(int force)
-{
-#if CONFIG_IS_ENABLED(SYS_STDIO_DEREGISTER)
-	struct stdio_dev *dev;
-	struct usb_device *usb_kbd_dev;
-	struct usb_kbd_pdata *data;
-
-	dev = stdio_get_by_name(DEVNAME);
-	if (dev) {
-		usb_kbd_dev = (struct usb_device *)dev->priv;
-		data = usb_kbd_dev->privptr;
-#if CONFIG_IS_ENABLED(CONSOLE_MUX)
-		if (iomux_replace_device(stdin, DEVNAME, force ? "nulldev" : ""))
-			return 1;
-#endif
-		if (stdio_deregister_dev(dev, force) != 0)
-			return 1;
-#ifdef CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE
-		destroy_int_queue(usb_kbd_dev, data->intq);
-#endif
-		free(data->new);
-		free(data);
-	}
-
-	return 0;
-#else
-	return 1;
-#endif
-}
-
-#endif
-
-#if CONFIG_IS_ENABLED(DM_USB)
-
 static int usb_kbd_probe(struct udevice *dev)
 {
 	struct usb_device *udev = dev_get_parent_priv(dev);
@@ -788,5 +723,3 @@ static const struct usb_device_id kbd_id_table[] = {
 };
 
 U_BOOT_USB_DEVICE(usb_kbd, kbd_id_table);
-
-#endif

drivers/usb/Kconfig

@@ -99,7 +99,8 @@ config USB_STORAGE
 
 config USB_KEYBOARD
 	bool "USB Keyboard support"
-	select DM_KEYBOARD if DM_USB
+	depends on DM_USB
+	select DM_KEYBOARD
 	select SYS_STDIO_DEREGISTER
 	---help---
 	  Say Y here if you want to use a USB keyboard for U-Boot command line

include/usb.h

@@ -250,20 +250,12 @@ int usb_host_eth_scan(int mode);
 
 #endif
 
-#ifdef CONFIG_USB_KEYBOARD
-
 /*
  * USB Keyboard reports are 8 bytes in boot protocol.
  * Appendix B of HID Device Class Definition 1.11
  */
 #define USB_KBD_BOOT_REPORT_SIZE 8
 
-int drv_usb_kbd_init(void);
-int usb_kbd_deregister(int force);
-
-#endif
-/* routines */
-
 /*
  * usb_init() - initialize the USB Controllers
  *