From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/drivers/usb/gadget/udc/dummy_hcd.c | 98 +++++++++++++++++++++++++------------------------
1 files changed, 50 insertions(+), 48 deletions(-)
diff --git a/kernel/drivers/usb/gadget/udc/dummy_hcd.c b/kernel/drivers/usb/gadget/udc/dummy_hcd.c
index 3259899..92d01dd 100644
--- a/kernel/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/kernel/drivers/usb/gadget/udc/dummy_hcd.c
@@ -14,7 +14,7 @@
* Linux-USB host controller driver. USB traffic is simulated; there's
* no need for USB hardware. Use this with two other drivers:
*
- * - Gadget driver, responding to requests (slave);
+ * - Gadget driver, responding to requests (device);
* - Host-side device driver, as already familiar in Linux.
*
* Having this all in one kernel can help some stages of development,
@@ -261,7 +261,7 @@
spinlock_t lock;
/*
- * SLAVE/GADGET side support
+ * DEVICE/GADGET side support
*/
struct dummy_ep ep[DUMMY_ENDPOINTS];
int address;
@@ -276,7 +276,7 @@
unsigned pullup:1;
/*
- * MASTER/HOST side support
+ * HOST side support
*/
struct dummy_hcd *hs_hcd;
struct dummy_hcd *ss_hcd;
@@ -323,7 +323,7 @@
/*-------------------------------------------------------------------------*/
-/* SLAVE/GADGET SIDE UTILITY ROUTINES */
+/* DEVICE/GADGET SIDE UTILITY ROUTINES */
/* called with spinlock held */
static void nuke(struct dummy *dum, struct dummy_ep *ep)
@@ -427,6 +427,7 @@
/* caller must hold lock */
static void set_link_state(struct dummy_hcd *dum_hcd)
+ __must_hold(&dum->lock)
{
struct dummy *dum = dum_hcd->dum;
unsigned int power_bit;
@@ -485,7 +486,7 @@
/*-------------------------------------------------------------------------*/
-/* SLAVE/GADGET SIDE DRIVER
+/* DEVICE/GADGET SIDE DRIVER
*
* This only tracks gadget state. All the work is done when the host
* side tries some (emulated) i/o operation. Real device controller
@@ -566,12 +567,12 @@
if (max <= 1024)
break;
/* save a return statement */
- /* fall through */
+ fallthrough;
case USB_SPEED_FULL:
if (max <= 64)
break;
/* save a return statement */
- /* fall through */
+ fallthrough;
default:
if (max <= 8)
break;
@@ -589,7 +590,7 @@
if (max <= 1024)
break;
/* save a return statement */
- /* fall through */
+ fallthrough;
case USB_SPEED_FULL:
if (max <= 1023)
break;
@@ -618,21 +619,7 @@
_ep->name,
desc->bEndpointAddress & 0x0f,
(desc->bEndpointAddress & USB_DIR_IN) ? "in" : "out",
- ({ char *val;
- switch (usb_endpoint_type(desc)) {
- case USB_ENDPOINT_XFER_BULK:
- val = "bulk";
- break;
- case USB_ENDPOINT_XFER_ISOC:
- val = "iso";
- break;
- case USB_ENDPOINT_XFER_INT:
- val = "intr";
- break;
- default:
- val = "ctrl";
- break;
- } val; }),
+ usb_ep_type_string(usb_endpoint_type(desc)),
max, ep->stream_en ? "enabled" : "disabled");
/* at this point real hardware should be NAKing transfers
@@ -985,7 +972,7 @@
* hardware can be built with discrete components, so the gadget API doesn't
* require that assumption.
*
- * For this emulator, it might be convenient to create a usb slave device
+ * For this emulator, it might be convenient to create a usb device
* for each driver that registers: just add to a big root hub.
*/
@@ -1009,7 +996,7 @@
}
/*
- * SLAVE side init ... the layer above hardware, which
+ * DEVICE side init ... the layer above hardware, which
* can't enumerate without help from the driver we're binding.
*/
@@ -1155,7 +1142,7 @@
.suspend = dummy_udc_suspend,
.resume = dummy_udc_resume,
.driver = {
- .name = (char *) gadget_name,
+ .name = gadget_name,
},
};
@@ -1171,7 +1158,7 @@
return index;
}
-/* MASTER/HOST SIDE DRIVER
+/* HOST SIDE DRIVER
*
* this uses the hcd framework to hook up to host side drivers.
* its root hub will only have one device, otherwise it acts like
@@ -1601,7 +1588,7 @@
/**
* handle_control_request() - handles all control transfers
- * @dum: pointer to dummy (the_controller)
+ * @dum_hcd: pointer to dummy (the_controller)
* @urb: the urb request to handle
* @setup: pointer to the setup data for a USB device control
* request
@@ -1963,7 +1950,7 @@
* this almost certainly polls too fast.
*/
limit = max(limit, periodic_bytes(dum, ep));
- /* FALLTHROUGH */
+ fallthrough;
default:
treat_control_like_bulk:
@@ -2134,9 +2121,21 @@
dum_hcd->port_status &= ~USB_PORT_STAT_POWER;
set_link_state(dum_hcd);
break;
- default:
+ case USB_PORT_FEAT_ENABLE:
+ case USB_PORT_FEAT_C_ENABLE:
+ case USB_PORT_FEAT_C_SUSPEND:
+ /* Not allowed for USB-3 */
+ if (hcd->speed == HCD_USB3)
+ goto error;
+ fallthrough;
+ case USB_PORT_FEAT_C_CONNECTION:
+ case USB_PORT_FEAT_C_RESET:
dum_hcd->port_status &= ~(1 << wValue);
set_link_state(dum_hcd);
+ break;
+ default:
+ /* Disallow INDICATOR and C_OVER_CURRENT */
+ goto error;
}
break;
case GetHubDescriptor:
@@ -2272,19 +2271,22 @@
"supported for USB 2.0 roothub\n");
goto error;
}
- /* FALLS THROUGH */
+ fallthrough;
case USB_PORT_FEAT_RESET:
+ if (!(dum_hcd->port_status & USB_PORT_STAT_CONNECTION))
+ break;
/* if it's already enabled, disable */
if (hcd->speed == HCD_USB3) {
- dum_hcd->port_status = 0;
dum_hcd->port_status =
(USB_SS_PORT_STAT_POWER |
USB_PORT_STAT_CONNECTION |
USB_PORT_STAT_RESET);
- } else
+ } else {
dum_hcd->port_status &= ~(USB_PORT_STAT_ENABLE
| USB_PORT_STAT_LOW_SPEED
| USB_PORT_STAT_HIGH_SPEED);
+ dum_hcd->port_status |= USB_PORT_STAT_RESET;
+ }
/*
* We want to reset device status. All but the
* Self powered feature
@@ -2296,19 +2298,19 @@
* interval? Is it still 50msec as for HS?
*/
dum_hcd->re_timeout = jiffies + msecs_to_jiffies(50);
- /* FALLS THROUGH */
- default:
- if (hcd->speed == HCD_USB3) {
- if ((dum_hcd->port_status &
- USB_SS_PORT_STAT_POWER) != 0) {
- dum_hcd->port_status |= (1 << wValue);
- }
- } else
- if ((dum_hcd->port_status &
- USB_PORT_STAT_POWER) != 0) {
- dum_hcd->port_status |= (1 << wValue);
- }
set_link_state(dum_hcd);
+ break;
+ case USB_PORT_FEAT_C_CONNECTION:
+ case USB_PORT_FEAT_C_RESET:
+ case USB_PORT_FEAT_C_ENABLE:
+ case USB_PORT_FEAT_C_SUSPEND:
+ /* Not allowed for USB-3, and ignored for USB-2 */
+ if (hcd->speed == HCD_USB3)
+ goto error;
+ break;
+ default:
+ /* Disallow TEST, INDICATOR, and C_OVER_CURRENT */
+ goto error;
}
break;
case GetPortErrorCount:
@@ -2471,8 +2473,8 @@
struct dummy_hcd *dum_hcd = hcd_to_dummy_hcd(hcd);
/*
- * MASTER side init ... we emulate a root hub that'll only ever
- * talk to one device (the slave side). Also appears in sysfs,
+ * HOST side init ... we emulate a root hub that'll only ever
+ * talk to one device (the gadget side). Also appears in sysfs,
* just like more familiar pci-based HCDs.
*/
if (!usb_hcd_is_primary_hcd(hcd))
@@ -2741,7 +2743,7 @@
.suspend = dummy_hcd_suspend,
.resume = dummy_hcd_resume,
.driver = {
- .name = (char *) driver_name,
+ .name = driver_name,
},
};
--
Gitblit v1.6.2