brcm2708: rename target to bcm27xx

[openwrt/openwrt.git] / target / linux / brcm2708 / patches-4.19 / 950-0572-usb-add-plumbing-for-updating-interrupt-endpoint-int.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0572-usb-add-plumbing-for-updating-interrupt-endpoint-int.patch b/target/linux/brcm2708/patches-4.19/950-0572-usb-add-plumbing-for-updating-interrupt-endpoint-int.patch
deleted file mode 100644 (file)
index 99c4e4d..0000000
--- a/target/linux/brcm2708/patches-4.19/950-0572-usb-add-plumbing-for-updating-interrupt-endpoint-int.patch
+++ /dev/null
@@ -1,104 +0,0 @@
-From f9c01b35ec7ea3f981c414af38c92c508487671a Mon Sep 17 00:00:00 2001
-From: Jonathan Bell <jonathan@raspberrypi.org>
-Date: Tue, 11 Jun 2019 10:55:00 +0100
-Subject: [PATCH] usb: add plumbing for updating interrupt endpoint
- interval state
-
-xHCI caches device and endpoint data after the interface is configured,
-so an explicit command needs to be issued for any device driver wanting
-to alter the polling interval of an endpoint.
-
-Add usb_fixup_endpoint() to allow drivers to do this. The fixup must be
-called after calculating endpoint bandwidth requirements but before any
-URBs are submitted.
-
-If polling intervals are shortened, any bandwidth reservations are no
-longer valid but in practice polling intervals are only ever relaxed.
-
-Limit the scope to interrupt transfers for now.
-
-Signed-off-by: Jonathan Bell <jonathan@raspberrypi.org>
----
- drivers/usb/core/hcd.c     | 10 ++++++++++
- drivers/usb/core/message.c | 15 +++++++++++++++
- include/linux/usb.h        |  2 ++
- include/linux/usb/hcd.h    |  7 +++++++
- 4 files changed, 34 insertions(+)
-
---- a/drivers/usb/core/hcd.c
-+++ b/drivers/usb/core/hcd.c
-@@ -2071,6 +2071,16 @@ reset:
-       return ret;
- }
- 
-+void usb_hcd_fixup_endpoint(struct usb_device *udev,
-+                          struct usb_host_endpoint *ep, int interval)
-+{
-+      struct usb_hcd *hcd;
-+
-+      hcd = bus_to_hcd(udev->bus);
-+      if (hcd->driver->fixup_endpoint)
-+              hcd->driver->fixup_endpoint(hcd, udev, ep, interval);
-+}
-+
- /* Disables the endpoint: synchronizes with the hcd to make sure all
-  * endpoint state is gone from hardware.  usb_hcd_flush_endpoint() must
-  * have been called previously.  Use for set_configuration, set_interface,
---- a/drivers/usb/core/message.c
-+++ b/drivers/usb/core/message.c
-@@ -1113,6 +1113,21 @@ static void remove_intf_ep_devs(struct u
-       intf->ep_devs_created = 0;
- }
- 
-+void usb_fixup_endpoint(struct usb_device *dev, int epaddr, int interval)
-+{
-+      unsigned int epnum = epaddr & USB_ENDPOINT_NUMBER_MASK;
-+      struct usb_host_endpoint *ep;
-+
-+      if (usb_endpoint_out(epaddr))
-+              ep = dev->ep_out[epnum];
-+      else
-+              ep = dev->ep_in[epnum];
-+
-+      if (ep && usb_endpoint_xfer_int(&ep->desc))
-+              usb_hcd_fixup_endpoint(dev, ep, interval);
-+}
-+EXPORT_SYMBOL_GPL(usb_fixup_endpoint);
-+
- /**
-  * usb_disable_endpoint -- Disable an endpoint by address
-  * @dev: the device whose endpoint is being disabled
---- a/include/linux/usb.h
-+++ b/include/linux/usb.h
-@@ -1809,6 +1809,8 @@ extern int usb_clear_halt(struct usb_dev
- extern int usb_reset_configuration(struct usb_device *dev);
- extern int usb_set_interface(struct usb_device *dev, int ifnum, int alternate);
- extern void usb_reset_endpoint(struct usb_device *dev, unsigned int epaddr);
-+extern void usb_fixup_endpoint(struct usb_device *dev, int epaddr,
-+                             int interval);
- 
- /* this request isn't really synchronous, but it belongs with the others */
- extern int usb_driver_set_configuration(struct usb_device *udev, int config);
---- a/include/linux/usb/hcd.h
-+++ b/include/linux/usb/hcd.h
-@@ -379,6 +379,11 @@ struct hc_driver {
-                * or bandwidth constraints.
-                */
-       void    (*reset_bandwidth)(struct usb_hcd *, struct usb_device *);
-+              /* Override the endpoint-derived interval
-+               * (if there is any cached hardware state).
-+               */
-+      void    (*fixup_endpoint)(struct usb_hcd *hcd, struct usb_device *udev,
-+                                struct usb_host_endpoint *ep, int interval);
-               /* Returns the hardware-chosen device address */
-       int     (*address_device)(struct usb_hcd *, struct usb_device *udev);
-               /* prepares the hardware to send commands to the device */
-@@ -435,6 +440,8 @@ extern void usb_hcd_unmap_urb_setup_for_
- extern void usb_hcd_unmap_urb_for_dma(struct usb_hcd *, struct urb *);
- extern void usb_hcd_flush_endpoint(struct usb_device *udev,
-               struct usb_host_endpoint *ep);
-+extern void usb_hcd_fixup_endpoint(struct usb_device *udev,
-+              struct usb_host_endpoint *ep, int interval);
- extern void usb_hcd_disable_endpoint(struct usb_device *udev,
-               struct usb_host_endpoint *ep);
- extern void usb_hcd_reset_endpoint(struct usb_device *udev,