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-rw-r--r--config/grub/xhci/patches/0018-grub-core-bus-usb-usbhub-Add-new-private-fields-for-.patch77
1 files changed, 77 insertions, 0 deletions
diff --git a/config/grub/xhci/patches/0018-grub-core-bus-usb-usbhub-Add-new-private-fields-for-.patch b/config/grub/xhci/patches/0018-grub-core-bus-usb-usbhub-Add-new-private-fields-for-.patch
new file mode 100644
index 00000000..bc0f957f
--- /dev/null
+++ b/config/grub/xhci/patches/0018-grub-core-bus-usb-usbhub-Add-new-private-fields-for-.patch
@@ -0,0 +1,77 @@
+From 1ab23afbfa7ae436741947c0b9bdacc434ad6153 Mon Sep 17 00:00:00 2001
+From: Patrick Rudolph <patrick.rudolph@9elements.com>
+Date: Sun, 15 Nov 2020 19:54:40 +0100
+Subject: [PATCH 18/22] grub-core/bus/usb/usbhub: Add new private fields for
+ xHCI controller
+
+Store the root port number, the route, consisting out of the port ID
+in each nibble, and a pointer to driver private data.
+
+Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
+---
+ grub-core/bus/usb/usbhub.c | 11 ++++++++---
+ include/grub/usb.h | 5 +++++
+ 2 files changed, 13 insertions(+), 3 deletions(-)
+
+diff --git a/grub-core/bus/usb/usbhub.c b/grub-core/bus/usb/usbhub.c
+index 8e963e84b..b4b3a1a61 100644
+--- a/grub-core/bus/usb/usbhub.c
++++ b/grub-core/bus/usb/usbhub.c
+@@ -49,7 +49,9 @@ static grub_usb_controller_dev_t grub_usb_list;
+ static grub_usb_device_t
+ grub_usb_hub_add_dev (grub_usb_controller_t controller,
+ grub_usb_speed_t speed,
+- int split_hubport, int split_hubaddr)
++ int split_hubport, int split_hubaddr,
++ int root_portno,
++ grub_uint32_t route)
+ {
+ grub_usb_device_t dev;
+ int i;
+@@ -65,6 +67,8 @@ grub_usb_hub_add_dev (grub_usb_controller_t controller,
+ dev->speed = speed;
+ dev->split_hubport = split_hubport;
+ dev->split_hubaddr = split_hubaddr;
++ dev->root_port = root_portno;
++ dev->route = route;
+
+ if (controller->dev->attach_dev) {
+ err = controller->dev->attach_dev (controller, dev);
+@@ -245,7 +249,7 @@ attach_root_port (struct grub_usb_hub *hub, int portno,
+ and full/low speed device connected to OHCI/UHCI needs not
+ transaction translation - e.g. hubport and hubaddr should be
+ always none (zero) for any device connected to any root hub. */
+- dev = grub_usb_hub_add_dev (hub->controller, speed, 0, 0);
++ dev = grub_usb_hub_add_dev (hub->controller, speed, 0, 0, portno, 0);
+ hub->controller->dev->pending_reset = 0;
+ npending--;
+ if (! dev)
+@@ -676,7 +680,8 @@ poll_nonroot_hub (grub_usb_device_t dev)
+
+ /* Add the device and assign a device address to it. */
+ next_dev = grub_usb_hub_add_dev (&dev->controller, speed,
+- split_hubport, split_hubaddr);
++ split_hubport, split_hubaddr, dev->root_port,
++ dev->route << 4 | (i & 0xf));
+ if (dev->controller.dev->pending_reset)
+ {
+ dev->controller.dev->pending_reset = 0;
+diff --git a/include/grub/usb.h b/include/grub/usb.h
+index 4dd179db2..609faf7d0 100644
+--- a/include/grub/usb.h
++++ b/include/grub/usb.h
+@@ -237,6 +237,11 @@ struct grub_usb_device
+ int split_hubport;
+
+ int split_hubaddr;
++
++ /* xHCI specific information */
++ int root_port;
++ grub_uint32_t route;
++ void *xhci_priv;
+ };
+
+
+--
+2.39.2
+