X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=common%2Fusb.c;h=686f09a77d1ec7caf151b21dadaa17ec979f7f4e;hb=3988be5fd4369402c410336553bc0ca1920dbe6f;hp=8d27bc70607560b7c52841f75c3f2fbecf191e94;hpb=932bb668bb2464115f2d08abbed44e58cfce9536;p=oweals%2Fu-boot.git

diff --git a/common/usb.c b/common/usb.c
index 8d27bc7060..686f09a77d 100644
--- a/common/usb.c
+++ b/common/usb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Most of this source has been derived from the Linux USB
  * project:
@@ -13,8 +14,6 @@
  *
  * Adapted for U-Boot:
  * (C) Copyright 2001 Denis Peter, MPL AG Switzerland
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /*
@@ -29,6 +28,7 @@
 #include <common.h>
 #include <command.h>
 #include <dm.h>
+#include <malloc.h>
 #include <memalign.h>
 #include <asm/processor.h>
 #include <linux/compiler.h>
@@ -43,7 +43,7 @@
 static int asynch_allowed;
 char usb_started; /* flag for the started/stopped USB status */
 
-#ifndef CONFIG_DM_USB
+#if !CONFIG_IS_ENABLED(DM_USB)
 static struct usb_device usb_dev[USB_MAX_DEVICE];
 static int dev_index;
 
@@ -172,6 +172,12 @@ int usb_detect_change(void)
 	return change;
 }
 
+/* Lock or unlock async schedule on the controller */
+__weak int usb_lock_async(struct usb_device *dev, int lock)
+{
+	return 0;
+}
+
 /*
  * disables the asynch behaviour of the control message. This is used for data
  * transfers that uses the exclusiv access to the control and bulk messages.
@@ -184,7 +190,7 @@ int usb_disable_asynch(int disable)
 	asynch_allowed = !disable;
 	return old_value;
 }
-#endif /* !CONFIG_DM_USB */
+#endif /* !CONFIG_IS_ENABLED(DM_USB) */
 
 
 /*-------------------------------------------------------------------
@@ -193,12 +199,15 @@ int usb_disable_asynch(int disable)
  */
 
 /*
- * submits an Interrupt Message
+ * submits an Interrupt Message. Some drivers may implement non-blocking
+ * polling: when non-block is true and the device is not responding return
+ * -EAGAIN instead of waiting for device to respond.
  */
-int usb_submit_int_msg(struct usb_device *dev, unsigned long pipe,
-			void *buffer, int transfer_len, int interval)
+int usb_int_msg(struct usb_device *dev, unsigned long pipe,
+		void *buffer, int transfer_len, int interval, bool nonblock)
 {
-	return submit_int_msg(dev, pipe, buffer, transfer_len, interval);
+	return submit_int_msg(dev, pipe, buffer, transfer_len, interval,
+			      nonblock);
 }
 
 /*
@@ -850,7 +859,7 @@ int usb_string(struct usb_device *dev, int index, char *buf, size_t size)
  * the USB device are static allocated [USB_MAX_DEVICE].
  */
 
-#ifndef CONFIG_DM_USB
+#if !CONFIG_IS_ENABLED(DM_USB)
 
 /* returns a pointer to the device with the index [index].
  * if the device is not assigned (dev->devnum==-1) returns NULL
@@ -907,7 +916,7 @@ __weak int usb_alloc_device(struct usb_device *udev)
 {
 	return 0;
 }
-#endif /* !CONFIG_DM_USB */
+#endif /* !CONFIG_IS_ENABLED(DM_USB) */
 
 static int usb_hub_port_reset(struct usb_device *dev, struct usb_device *hub)
 {
@@ -1167,7 +1176,7 @@ int usb_setup_device(struct usb_device *dev, bool do_read,
 	return ret;
 }
 
-#ifndef CONFIG_DM_USB
+#if !CONFIG_IS_ENABLED(DM_USB)
 /*
  * By the time we get here, the device has gotten a new device ID
  * and is in the default state. We need to identify the thing and
@@ -1216,14 +1225,14 @@ int board_usb_cleanup(int index, enum usb_init_type init)
 
 bool usb_device_has_child_on_port(struct usb_device *parent, int port)
 {
-#ifdef CONFIG_DM_USB
+#if CONFIG_IS_ENABLED(DM_USB)
 	return false;
 #else
 	return parent->children[port] != NULL;
 #endif
 }
 
-#ifdef CONFIG_DM_USB
+#if CONFIG_IS_ENABLED(DM_USB)
 void usb_find_usb2_hub_address_port(struct usb_device *udev,
 			       uint8_t *hub_address, uint8_t *hub_port)
 {