diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/core/config.c | 3 | ||||
| -rw-r--r-- | drivers/usb/core/devices.c | 1 | ||||
| -rw-r--r-- | drivers/usb/core/hcd.c | 40 | ||||
| -rw-r--r-- | drivers/usb/core/hub.c | 155 | ||||
| -rw-r--r-- | drivers/usb/core/sysfs.c | 3 | ||||
| -rw-r--r-- | drivers/usb/core/urb.c | 27 | ||||
| -rw-r--r-- | drivers/usb/core/usb.c | 11 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-mem.c | 3 | ||||
| -rw-r--r-- | drivers/usb/host/xhci.c | 11 |
9 files changed, 57 insertions, 197 deletions
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 725b8dbcfe5f..b19e38d5fd10 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -1051,9 +1051,6 @@ int usb_get_bos_descriptor(struct usb_device *dev) } switch (cap_type) { - case USB_CAP_TYPE_WIRELESS_USB: - /* Wireless USB cap descriptor is handled by wusb */ - break; case USB_CAP_TYPE_EXT: dev->bos->ext_cap = (struct usb_ext_cap_descriptor *)buffer; diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c index 2c14a9636056..a247da73f34d 100644 --- a/drivers/usb/core/devices.c +++ b/drivers/usb/core/devices.c @@ -424,7 +424,6 @@ static ssize_t usb_device_dump(char __user **buffer, size_t *nbytes, case USB_SPEED_UNKNOWN: /* usb 1.1 root hub code */ case USB_SPEED_FULL: speed = "12"; break; - case USB_SPEED_WIRELESS: /* Wireless has no real fixed speed */ case USB_SPEED_HIGH: speed = "480"; break; case USB_SPEED_SUPER: diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 6af0a31ff147..12b6dfeaf658 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -156,27 +156,6 @@ static const u8 usb3_rh_dev_descriptor[18] = { 0x01 /* __u8 bNumConfigurations; */ }; -/* usb 2.5 (wireless USB 1.0) root hub device descriptor */ -static const u8 usb25_rh_dev_descriptor[18] = { - 0x12, /* __u8 bLength; */ - USB_DT_DEVICE, /* __u8 bDescriptorType; Device */ - 0x50, 0x02, /* __le16 bcdUSB; v2.5 */ - - 0x09, /* __u8 bDeviceClass; HUB_CLASSCODE */ - 0x00, /* __u8 bDeviceSubClass; */ - 0x00, /* __u8 bDeviceProtocol; [ usb 2.0 no TT ] */ - 0xFF, /* __u8 bMaxPacketSize0; always 0xFF (WUSB Spec 7.4.1). */ - - 0x6b, 0x1d, /* __le16 idVendor; Linux Foundation 0x1d6b */ - 0x02, 0x00, /* __le16 idProduct; device 0x0002 */ - KERNEL_VER, KERNEL_REL, /* __le16 bcdDevice */ - - 0x03, /* __u8 iManufacturer; */ - 0x02, /* __u8 iProduct; */ - 0x01, /* __u8 iSerialNumber; */ - 0x01 /* __u8 bNumConfigurations; */ -}; - /* usb 2.0 root hub device descriptor */ static const u8 usb2_rh_dev_descriptor[18] = { 0x12, /* __u8 bLength; */ @@ -368,7 +347,7 @@ static const u8 ss_rh_config_descriptor[] = { }; /* authorized_default behaviour: - * -1 is authorized for all devices except wireless (old behaviour) + * -1 is authorized for all devices (leftover from wireless USB) * 0 is unauthorized for all devices * 1 is authorized for all devices * 2 is authorized for internal devices @@ -383,7 +362,7 @@ module_param(authorized_default, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(authorized_default, "Default USB device authorization: 0 is not authorized, 1 is " "authorized, 2 is authorized for internal devices, -1 is " - "authorized except for wireless USB (default, old behaviour)"); + "authorized (default, same as 1)"); /*-------------------------------------------------------------------------*/ /** @@ -578,9 +557,6 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb) case HCD_USB3: bufp = usb3_rh_dev_descriptor; break; - case HCD_USB25: - bufp = usb25_rh_dev_descriptor; - break; case HCD_USB2: bufp = usb2_rh_dev_descriptor; break; @@ -602,7 +578,6 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb) bufp = ss_rh_config_descriptor; len = sizeof ss_rh_config_descriptor; break; - case HCD_USB25: case HCD_USB2: bufp = hs_rh_config_descriptor; len = sizeof hs_rh_config_descriptor; @@ -2848,18 +2823,14 @@ int usb_add_hcd(struct usb_hcd *hcd, hcd->dev_policy = USB_DEVICE_AUTHORIZE_NONE; break; - case USB_AUTHORIZE_ALL: - hcd->dev_policy = USB_DEVICE_AUTHORIZE_ALL; - break; - case USB_AUTHORIZE_INTERNAL: hcd->dev_policy = USB_DEVICE_AUTHORIZE_INTERNAL; break; + case USB_AUTHORIZE_ALL: case USB_AUTHORIZE_WIRED: default: - hcd->dev_policy = hcd->wireless ? - USB_DEVICE_AUTHORIZE_NONE : USB_DEVICE_AUTHORIZE_ALL; + hcd->dev_policy = USB_DEVICE_AUTHORIZE_ALL; break; } @@ -2903,9 +2874,6 @@ int usb_add_hcd(struct usb_hcd *hcd, case HCD_USB2: rhdev->speed = USB_SPEED_HIGH; break; - case HCD_USB25: - rhdev->speed = USB_SPEED_WIRELESS; - break; case HCD_USB3: rhdev->speed = USB_SPEED_SUPER; break; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 878913f4b4b3..b3c09e4c8492 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -2140,22 +2140,6 @@ EXPORT_SYMBOL_GPL(usb_set_device_state); * USB-3.0 buses the address is assigned by the controller hardware * and it usually is not the same as the device number. * - * WUSB devices are simple: they have no hubs behind, so the mapping - * device <-> virtual port number becomes 1:1. Why? to simplify the - * life of the device connection logic in - * drivers/usb/wusbcore/devconnect.c. When we do the initial secret - * handshake we need to assign a temporary address in the unauthorized - * space. For simplicity we use the first virtual port number found to - * be free [drivers/usb/wusbcore/devconnect.c:wusbhc_devconnect_ack()] - * and that becomes it's address [X < 128] or its unauthorized address - * [X | 0x80]. - * - * We add 1 as an offset to the one-based USB-stack port number - * (zero-based wusb virtual port index) for two reasons: (a) dev addr - * 0 is reserved by USB for default address; (b) Linux's USB stack - * uses always #1 for the root hub of the controller. So USB stack's - * port #1, which is wusb virtual-port #0 has address #2. - * * Devices connected under xHCI are not as simple. The host controller * supports virtualization, so the hardware assigns device addresses and * the HCD must setup data structures before issuing a set address @@ -2168,19 +2152,13 @@ static void choose_devnum(struct usb_device *udev) /* be safe when more hub events are proceed in parallel */ mutex_lock(&bus->devnum_next_mutex); - if (udev->wusb) { - devnum = udev->portnum + 1; - BUG_ON(test_bit(devnum, bus->devmap.devicemap)); - } else { - /* Try to allocate the next devnum beginning at - * bus->devnum_next. */ - devnum = find_next_zero_bit(bus->devmap.devicemap, 128, - bus->devnum_next); - if (devnum >= 128) - devnum = find_next_zero_bit(bus->devmap.devicemap, - 128, 1); - bus->devnum_next = (devnum >= 127 ? 1 : devnum + 1); - } + + /* Try to allocate the next devnum beginning at bus->devnum_next. */ + devnum = find_next_zero_bit(bus->devmap.devicemap, 128, + bus->devnum_next); + if (devnum >= 128) + devnum = find_next_zero_bit(bus->devmap.devicemap, 128, 1); + bus->devnum_next = (devnum >= 127 ? 1 : devnum + 1); if (devnum < 128) { set_bit(devnum, bus->devmap.devicemap); udev->devnum = devnum; @@ -2198,9 +2176,7 @@ static void release_devnum(struct usb_device *udev) static void update_devnum(struct usb_device *udev, int devnum) { - /* The address for a WUSB device is managed by wusbcore. */ - if (!udev->wusb) - udev->devnum = devnum; + udev->devnum = devnum; if (!udev->devaddr) udev->devaddr = (u8)devnum; } @@ -2693,20 +2669,6 @@ int usb_authorize_device(struct usb_device *usb_dev) goto error_autoresume; } - if (usb_dev->wusb) { - struct usb_device_descriptor *descr; - - descr = usb_get_device_descriptor(usb_dev); - if (IS_ERR(descr)) { - result = PTR_ERR(descr); - dev_err(&usb_dev->dev, "can't re-read device descriptor for " - "authorization: %d\n", result); - goto error_device_descriptor; - } - usb_dev->descriptor = *descr; - kfree(descr); - } - usb_dev->authorized = 1; /* Choose and set the configuration. This registers the interfaces * with the driver core and lets interface drivers bind to them. @@ -2723,7 +2685,6 @@ int usb_authorize_device(struct usb_device *usb_dev) } dev_info(&usb_dev->dev, "authorized to connect\n"); -error_device_descriptor: usb_autosuspend_device(usb_dev); error_autoresume: out_authorized: @@ -2806,17 +2767,6 @@ out: return USB_SSP_GEN_UNKNOWN; } -/* Returns 1 if @hub is a WUSB root hub, 0 otherwise */ -static unsigned hub_is_wusb(struct usb_hub *hub) -{ - struct usb_hcd *hcd; - if (hub->hdev->parent != NULL) /* not a root hub? */ - return 0; - hcd = bus_to_hcd(hub->hdev->bus); - return hcd->wireless; -} - - #ifdef CONFIG_USB_FEW_INIT_RETRIES #define PORT_RESET_TRIES 2 #define SET_ADDRESS_TRIES 1 @@ -2969,9 +2919,7 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1, udev->tx_lanes = 1; udev->ssp_rate = USB_SSP_GEN_UNKNOWN; } - if (hub_is_wusb(hub)) - udev->speed = USB_SPEED_WIRELESS; - else if (udev->ssp_rate != USB_SSP_GEN_UNKNOWN) + if (udev->ssp_rate != USB_SSP_GEN_UNKNOWN) udev->speed = USB_SPEED_SUPER_PLUS; else if (hub_is_superspeed(hub->hdev)) udev->speed = USB_SPEED_SUPER; @@ -4880,13 +4828,10 @@ hub_port_init(struct usb_hub *hub, struct usb_device *udev, int port1, if (initial) { /* USB 2.0 section 5.5.3 talks about ep0 maxpacket ... * it's fixed size except for full speed devices. - * For Wireless USB devices, ep0 max packet is always 512 (tho - * reported as 0xff in the device descriptor). WUSB1.0[4.8.1]. */ switch (udev->speed) { case USB_SPEED_SUPER_PLUS: case USB_SPEED_SUPER: - case USB_SPEED_WIRELESS: /* fixed at 512 */ udev->ep0.desc.wMaxPacketSize = cpu_to_le16(512); break; case USB_SPEED_HIGH: /* fixed at 64 */ @@ -4907,10 +4852,7 @@ hub_port_init(struct usb_hub *hub, struct usb_device *udev, int port1, } } - if (udev->speed == USB_SPEED_WIRELESS) - speed = "variable speed Wireless"; - else - speed = usb_speed_string(udev->speed); + speed = usb_speed_string(udev->speed); /* * The controller driver may be NULL if the controller device @@ -5003,50 +4945,44 @@ hub_port_init(struct usb_hub *hub, struct usb_device *udev, int port1, } } + for (operations = 0; operations < SET_ADDRESS_TRIES; ++operations) { + retval = hub_set_address(udev, devnum); + if (retval >= 0) + break; + msleep(200); + } + if (retval < 0) { + if (retval != -ENODEV) + dev_err(&udev->dev, "device not accepting address %d, error %d\n", + devnum, retval); + goto fail; + } + if (udev->speed >= USB_SPEED_SUPER) { + devnum = udev->devnum; + dev_info(&udev->dev, + "%s SuperSpeed%s%s USB device number %d using %s\n", + (udev->config) ? "reset" : "new", + (udev->speed == USB_SPEED_SUPER_PLUS) ? + " Plus" : "", + (udev->ssp_rate == USB_SSP_GEN_2x2) ? + " Gen 2x2" : + (udev->ssp_rate == USB_SSP_GEN_2x1) ? + " Gen 2x1" : + (udev->ssp_rate == USB_SSP_GEN_1x2) ? + " Gen 1x2" : "", + devnum, driver_name); + } + /* - * If device is WUSB, we already assigned an - * unauthorized address in the Connect Ack sequence; - * authorization will assign the final address. + * cope with hardware quirkiness: + * - let SET_ADDRESS settle, some device hardware wants it + * - read ep0 maxpacket even for high and low speed, */ - if (udev->wusb == 0) { - for (operations = 0; operations < SET_ADDRESS_TRIES; ++operations) { - retval = hub_set_address(udev, devnum); - if (retval >= 0) - break; - msleep(200); - } - if (retval < 0) { - if (retval != -ENODEV) - dev_err(&udev->dev, "device not accepting address %d, error %d\n", - devnum, retval); - goto fail; - } - if (udev->speed >= USB_SPEED_SUPER) { - devnum = udev->devnum; - dev_info(&udev->dev, - "%s SuperSpeed%s%s USB device number %d using %s\n", - (udev->config) ? "reset" : "new", - (udev->speed == USB_SPEED_SUPER_PLUS) ? - " Plus" : "", - (udev->ssp_rate == USB_SSP_GEN_2x2) ? - " Gen 2x2" : - (udev->ssp_rate == USB_SSP_GEN_2x1) ? - " Gen 2x1" : - (udev->ssp_rate == USB_SSP_GEN_1x2) ? - " Gen 1x2" : "", - devnum, driver_name); - } + msleep(10); - /* cope with hardware quirkiness: - * - let SET_ADDRESS settle, some device hardware wants it - * - read ep0 maxpacket even for high and low speed, - */ - msleep(10); - if (do_new_scheme) - break; - } + if (do_new_scheme) + break; - /* !do_new_scheme || wusb */ maxp0 = get_bMaxPacketSize0(udev, buf, 8, retries == 0); if (maxp0 < 0) { retval = maxp0; @@ -5128,7 +5064,7 @@ hub_port_init(struct usb_hub *hub, struct usb_device *udev, int port1, usb_detect_quirks(udev); - if (udev->wusb == 0 && le16_to_cpu(udev->descriptor.bcdUSB) >= 0x0201) { + if (le16_to_cpu(udev->descriptor.bcdUSB) >= 0x0201) { retval = usb_get_bos_descriptor(udev); if (!retval) { udev->lpm_capable = usb_device_supports_lpm(udev); @@ -5404,7 +5340,6 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, usb_set_device_state(udev, USB_STATE_POWERED); udev->bus_mA = hub->mA_per_port; udev->level = hdev->level + 1; - udev->wusb = hub_is_wusb(hub); /* Devices connected to SuperSpeed hubs are USB 3.0 or later */ if (hub_is_superspeed(hub->hdev)) diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index 323dc02becbe..5d21718afb05 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -161,9 +161,6 @@ static ssize_t speed_show(struct device *dev, struct device_attribute *attr, case USB_SPEED_HIGH: speed = "480"; break; - case USB_SPEED_WIRELESS: - speed = "480"; - break; case USB_SPEED_SUPER: speed = "5000"; break; diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c index 9f3c54032556..7576920e2d5a 100644 --- a/drivers/usb/core/urb.c +++ b/drivers/usb/core/urb.c @@ -480,8 +480,7 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags) urb->iso_frame_desc[n].status = -EXDEV; urb->iso_frame_desc[n].actual_length = 0; } - } else if (urb->num_sgs && !urb->dev->bus->no_sg_constraint && - dev->speed != USB_SPEED_WIRELESS) { + } else if (urb->num_sgs && !urb->dev->bus->no_sg_constraint) { struct scatterlist *sg; int i; @@ -540,17 +539,9 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags) case USB_ENDPOINT_XFER_ISOC: case USB_ENDPOINT_XFER_INT: /* too small? */ - switch (dev->speed) { - case USB_SPEED_WIRELESS: - if ((urb->interval < 6) - && (xfertype == USB_ENDPOINT_XFER_INT)) - return -EINVAL; - fallthrough; - default: - if (urb->interval <= 0) - return -EINVAL; - break; - } + if (urb->interval <= 0) + return -EINVAL; + /* too big? */ switch (dev->speed) { case USB_SPEED_SUPER_PLUS: @@ -560,10 +551,6 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags) return -EINVAL; max = 1 << 15; break; - case USB_SPEED_WIRELESS: - if (urb->interval > 16) - return -EINVAL; - break; case USB_SPEED_HIGH: /* units are microframes */ /* NOTE usb handles 2^15 */ if (urb->interval > (1024 * 8)) @@ -587,10 +574,8 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags) default: return -EINVAL; } - if (dev->speed != USB_SPEED_WIRELESS) { - /* Round down to a power of 2, no more than max */ - urb->interval = min(max, 1 << ilog2(urb->interval)); - } + /* Round down to a power of 2, no more than max */ + urb->interval = min(max, 1 << ilog2(urb->interval)); } return usb_hcd_submit_urb(urb, mem_flags); diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index bba87e5b7f8a..0945ff8df500 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -602,14 +602,6 @@ struct device_type usb_device_type = { #endif }; - -/* Returns 1 if @usb_bus is WUSB, 0 otherwise */ -static unsigned usb_bus_is_wusb(struct usb_bus *bus) -{ - struct usb_hcd *hcd = bus_to_hcd(bus); - return hcd->wireless; -} - static bool usb_dev_authorized(struct usb_device *dev, struct usb_hcd *hcd) { struct usb_hub *hub; @@ -749,9 +741,6 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent, #endif dev->authorized = usb_dev_authorized(dev, usb_hcd); - if (!root_hub) - dev->wusb = usb_bus_is_wusb(bus) ? 1 : 0; - return dev; } EXPORT_SYMBOL_GPL(usb_alloc_dev); diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 19a402123de0..8714ab5bf04d 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1108,9 +1108,6 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud slot_ctx->dev_info |= cpu_to_le32(SLOT_SPEED_LS); max_packets = MAX_PACKET(8); break; - case USB_SPEED_WIRELESS: - xhci_dbg(xhci, "FIXME xHCI doesn't support wireless speeds\n"); - return -EINVAL; default: /* Speed was set earlier, this shouldn't happen. */ return -EINVAL; diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index fae994f679d4..e1b1b64a0723 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -2194,7 +2194,6 @@ static unsigned int xhci_get_block_size(struct usb_device *udev) case USB_SPEED_SUPER_PLUS: return SS_BLOCK; case USB_SPEED_UNKNOWN: - case USB_SPEED_WIRELESS: default: /* Should never happen */ return 1; @@ -2555,10 +2554,7 @@ static void xhci_drop_ep_from_interval_table(struct xhci_hcd *xhci, case USB_SPEED_HIGH: interval_bw->overhead[HS_OVERHEAD_TYPE] -= 1; break; - case USB_SPEED_SUPER: - case USB_SPEED_SUPER_PLUS: - case USB_SPEED_UNKNOWN: - case USB_SPEED_WIRELESS: + default: /* Should never happen because only LS/FS/HS endpoints will get * added to the endpoint list. */ @@ -2615,10 +2611,7 @@ static void xhci_add_ep_to_interval_table(struct xhci_hcd *xhci, case USB_SPEED_HIGH: interval_bw->overhead[HS_OVERHEAD_TYPE] += 1; break; - case USB_SPEED_SUPER: - case USB_SPEED_SUPER_PLUS: - case USB_SPEED_UNKNOWN: - case USB_SPEED_WIRELESS: + default: /* Should never happen because only LS/FS/HS endpoints will get * added to the endpoint list. */ |