diff options
author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2025-02-26 03:03:25 +0300 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2025-02-26 03:03:25 +0300 |
commit | 0b119045b79a672bc6d8f18641c60fc8ce1b4585 (patch) | |
tree | 69c63ecfec55b9576c34dc742e0c38f46f8a317a /drivers/usb/core | |
parent | 7f7573bd4f37d4edc168c5b5def0bc2a1951c657 (diff) | |
parent | d082ecbc71e9e0bf49883ee4afd435a77a5101b6 (diff) | |
download | linux-0b119045b79a672bc6d8f18641c60fc8ce1b4585.tar.xz |
Merge tag 'v6.14-rc4' into next
Sync up with the mainline.
Diffstat (limited to 'drivers/usb/core')
-rw-r--r-- | drivers/usb/core/config.c | 19 | ||||
-rw-r--r-- | drivers/usb/core/driver.c | 7 | ||||
-rw-r--r-- | drivers/usb/core/generic.c | 12 | ||||
-rw-r--r-- | drivers/usb/core/hcd-pci.c | 15 | ||||
-rw-r--r-- | drivers/usb/core/hcd.c | 2 | ||||
-rw-r--r-- | drivers/usb/core/hub.c | 30 | ||||
-rw-r--r-- | drivers/usb/core/port.c | 10 | ||||
-rw-r--r-- | drivers/usb/core/quirks.c | 9 | ||||
-rw-r--r-- | drivers/usb/core/sysfs.c | 12 | ||||
-rw-r--r-- | drivers/usb/core/usb-acpi.c | 3 |
10 files changed, 71 insertions, 48 deletions
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 25a00f974934..f7bf8d1de3ad 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -9,6 +9,7 @@ #include <linux/usb/quirks.h> #include <linux/module.h> #include <linux/slab.h> +#include <linux/string_choices.h> #include <linux/device.h> #include <asm/byteorder.h> #include "usb.h" @@ -18,12 +19,6 @@ #define USB_MAXCONFIG 8 /* Arbitrary limit */ - -static inline const char *plural(int n) -{ - return (n == 1 ? "" : "s"); -} - static int find_next_descriptor(unsigned char *buffer, int size, int dt1, int dt2, int *num_skipped) { @@ -484,7 +479,7 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, retval = buffer - buffer0 + i; if (n > 0) dev_dbg(ddev, "skipped %d descriptor%s after %s\n", - n, plural(n), "endpoint"); + n, str_plural(n), "endpoint"); return retval; skip_to_next_endpoint_or_interface_descriptor: @@ -563,7 +558,7 @@ static int usb_parse_interface(struct device *ddev, int cfgno, alt->extralen = i; if (n > 0) dev_dbg(ddev, "skipped %d descriptor%s after %s\n", - n, plural(n), "interface"); + n, str_plural(n), "interface"); buffer += i; size -= i; @@ -605,7 +600,7 @@ static int usb_parse_interface(struct device *ddev, int cfgno, dev_notice(ddev, "config %d interface %d altsetting %d has %d " "endpoint descriptor%s, different from the interface " "descriptor's value: %d\n", - cfgno, inum, asnum, n, plural(n), num_ep_orig); + cfgno, inum, asnum, n, str_plural(n), num_ep_orig); return buffer - buffer0; skip_to_next_interface_descriptor: @@ -664,7 +659,7 @@ static int usb_parse_configuration(struct usb_device *dev, int cfgidx, if (size2 < sizeof(struct usb_descriptor_header)) { dev_notice(ddev, "config %d descriptor has %d excess " "byte%s, ignoring\n", - cfgno, size2, plural(size2)); + cfgno, size2, str_plural(size2)); break; } @@ -754,7 +749,7 @@ static int usb_parse_configuration(struct usb_device *dev, int cfgidx, if (n != nintf) dev_notice(ddev, "config %d has %d interface%s, different from " "the descriptor's value: %d\n", - cfgno, n, plural(n), nintf_orig); + cfgno, n, str_plural(n), nintf_orig); else if (n == 0) dev_notice(ddev, "config %d has no interfaces?\n", cfgno); config->desc.bNumInterfaces = nintf = n; @@ -798,7 +793,7 @@ static int usb_parse_configuration(struct usb_device *dev, int cfgidx, config->extralen = i; if (n > 0) dev_dbg(ddev, "skipped %d descriptor%s after %s\n", - n, plural(n), "configuration"); + n, str_plural(n), "configuration"); buffer += i; size -= i; diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index f203fdbfb6f6..460d4dde5994 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -1086,15 +1086,14 @@ int usb_register_driver(struct usb_driver *new_driver, struct module *owner, pr_info("%s: registered new interface driver %s\n", usbcore_name, new_driver->name); -out: - return retval; + return 0; out_newid: driver_unregister(&new_driver->driver); - +out: pr_err("%s: error %d registering interface driver %s\n", usbcore_name, retval, new_driver->name); - goto out; + return retval; } EXPORT_SYMBOL_GPL(usb_register_driver); diff --git a/drivers/usb/core/generic.c b/drivers/usb/core/generic.c index b134bff5c3fe..9c6ae5e1198b 100644 --- a/drivers/usb/core/generic.c +++ b/drivers/usb/core/generic.c @@ -21,14 +21,10 @@ #include <linux/usb.h> #include <linux/usb/hcd.h> +#include <linux/string_choices.h> #include <uapi/linux/usb/audio.h> #include "usb.h" -static inline const char *plural(int n) -{ - return (n == 1 ? "" : "s"); -} - static int is_rndis(struct usb_interface_descriptor *desc) { return desc->bInterfaceClass == USB_CLASS_COMM @@ -194,18 +190,18 @@ int usb_choose_configuration(struct usb_device *udev) if (insufficient_power > 0) dev_info(&udev->dev, "rejected %d configuration%s " "due to insufficient available bus power\n", - insufficient_power, plural(insufficient_power)); + insufficient_power, str_plural(insufficient_power)); if (best) { i = best->desc.bConfigurationValue; dev_dbg(&udev->dev, "configuration #%d chosen from %d choice%s\n", - i, num_configs, plural(num_configs)); + i, num_configs, str_plural(num_configs)); } else { i = -1; dev_warn(&udev->dev, "no configuration chosen from %d choice%s\n", - num_configs, plural(num_configs)); + num_configs, str_plural(num_configs)); } return i; } diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index a08f3f228e6d..56b534f59907 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -422,7 +422,12 @@ static int suspend_common(struct device *dev, pm_message_t msg) bool do_wakeup; int retval; - do_wakeup = PMSG_IS_AUTO(msg) ? true : device_may_wakeup(dev); + if (PMSG_IS_AUTO(msg)) + do_wakeup = true; + else if (PMSG_NO_WAKEUP(msg)) + do_wakeup = false; + else + do_wakeup = device_may_wakeup(dev); /* Root hub suspend should have stopped all downstream traffic, * and all bus master traffic. And done so for both the interface @@ -521,6 +526,11 @@ static int hcd_pci_suspend(struct device *dev) return suspend_common(dev, PMSG_SUSPEND); } +static int hcd_pci_freeze(struct device *dev) +{ + return suspend_common(dev, PMSG_FREEZE); +} + static int hcd_pci_suspend_noirq(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); @@ -590,6 +600,7 @@ static int hcd_pci_restore(struct device *dev) #else #define hcd_pci_suspend NULL +#define hcd_pci_freeze NULL #define hcd_pci_suspend_noirq NULL #define hcd_pci_poweroff_late NULL #define hcd_pci_resume_noirq NULL @@ -624,7 +635,7 @@ const struct dev_pm_ops usb_hcd_pci_pm_ops = { .suspend_noirq = hcd_pci_suspend_noirq, .resume_noirq = hcd_pci_resume_noirq, .resume = hcd_pci_resume, - .freeze = hcd_pci_suspend, + .freeze = hcd_pci_freeze, .freeze_noirq = check_root_hub_suspended, .thaw_noirq = NULL, .thaw = hcd_pci_resume, diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 0b2490347b9f..a75cf1f6d741 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -415,7 +415,7 @@ ascii2desc(char const *s, u8 *buf, unsigned len) static unsigned rh_string(int id, struct usb_hcd const *hcd, u8 *data, unsigned len) { - char buf[100]; + char buf[160]; char const *s; static char const langids[4] = {4, USB_DT_STRING, 0x09, 0x04}; diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 4b93c0bd1d4b..a76bb50b6202 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -18,6 +18,7 @@ #include <linux/sched/mm.h> #include <linux/list.h> #include <linux/slab.h> +#include <linux/string_choices.h> #include <linux/kcov.h> #include <linux/ioctl.h> #include <linux/usb.h> @@ -1496,7 +1497,7 @@ static int hub_configure(struct usb_hub *hub, maxchild = hub->descriptor->bNbrPorts; dev_info(hub_dev, "%d port%s detected\n", maxchild, - (maxchild == 1) ? "" : "s"); + str_plural(maxchild)); hub->ports = kcalloc(maxchild, sizeof(struct usb_port *), GFP_KERNEL); if (!hub->ports) { @@ -1848,6 +1849,17 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id) hdev = interface_to_usbdev(intf); /* + * The USB 2.0 spec prohibits hubs from having more than one + * configuration or interface, and we rely on this prohibition. + * Refuse to accept a device that violates it. + */ + if (hdev->descriptor.bNumConfigurations > 1 || + hdev->actconfig->desc.bNumInterfaces > 1) { + dev_err(&intf->dev, "Invalid hub with more than one config or interface\n"); + return -EINVAL; + } + + /* * Set default autosuspend delay as 0 to speedup bus suspend, * based on the below considerations: * @@ -2663,13 +2675,13 @@ int usb_new_device(struct usb_device *udev) err = sysfs_create_link(&udev->dev.kobj, &port_dev->dev.kobj, "port"); if (err) - goto fail; + goto out_del_dev; err = sysfs_create_link(&port_dev->dev.kobj, &udev->dev.kobj, "device"); if (err) { sysfs_remove_link(&udev->dev.kobj, "port"); - goto fail; + goto out_del_dev; } if (!test_and_set_bit(port1, hub->child_usage_bits)) @@ -2683,6 +2695,8 @@ int usb_new_device(struct usb_device *udev) pm_runtime_put_sync_autosuspend(&udev->dev); return err; +out_del_dev: + device_del(&udev->dev); fail: usb_set_device_state(udev, USB_STATE_NOTATTACHED); pm_runtime_disable(&udev->dev); @@ -4137,14 +4151,14 @@ static int usb_set_device_initiated_lpm(struct usb_device *udev, break; default: dev_warn(&udev->dev, "%s: Can't %s non-U1 or U2 state.\n", - __func__, enable ? "enable" : "disable"); + __func__, str_enable_disable(enable)); return -EINVAL; } if (udev->state != USB_STATE_CONFIGURED) { dev_dbg(&udev->dev, "%s: Can't %s %s state " "for unconfigured device.\n", - __func__, enable ? "enable" : "disable", + __func__, str_enable_disable(enable), usb3_lpm_names[state]); return 0; } @@ -4170,8 +4184,7 @@ static int usb_set_device_initiated_lpm(struct usb_device *udev, } if (ret < 0) { dev_warn(&udev->dev, "%s of device-initiated %s failed.\n", - enable ? "Enable" : "Disable", - usb3_lpm_names[state]); + str_enable_disable(enable), usb3_lpm_names[state]); return -EBUSY; } return 0; @@ -4696,7 +4709,6 @@ void usb_ep0_reinit(struct usb_device *udev) EXPORT_SYMBOL_GPL(usb_ep0_reinit); #define usb_sndaddr0pipe() (PIPE_CONTROL << 30) -#define usb_rcvaddr0pipe() ((PIPE_CONTROL << 30) | USB_DIR_IN) static int hub_set_address(struct usb_device *udev, int devnum) { @@ -4802,7 +4814,7 @@ static int get_bMaxPacketSize0(struct usb_device *udev, for (i = 0; i < GET_MAXPACKET0_TRIES; ++i) { /* Start with invalid values in case the transfer fails */ buf->bDescriptorType = buf->bMaxPacketSize0 = 0; - rc = usb_control_msg(udev, usb_rcvaddr0pipe(), + rc = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), USB_REQ_GET_DESCRIPTOR, USB_DIR_IN, USB_DT_DEVICE << 8, 0, buf, size, diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c index 45d7af00f8d1..f54198171b6a 100644 --- a/drivers/usb/core/port.c +++ b/drivers/usb/core/port.c @@ -9,6 +9,7 @@ #include <linux/kstrtox.h> #include <linux/slab.h> +#include <linux/string_choices.h> #include <linux/sysfs.h> #include <linux/pm_qos.h> #include <linux/component.h> @@ -25,7 +26,7 @@ static ssize_t early_stop_show(struct device *dev, { struct usb_port *port_dev = to_usb_port(dev); - return sysfs_emit(buf, "%s\n", port_dev->early_stop ? "yes" : "no"); + return sysfs_emit(buf, "%s\n", str_yes_no(port_dev->early_stop)); } static ssize_t early_stop_store(struct device *dev, struct device_attribute *attr, @@ -453,10 +454,11 @@ static int usb_port_runtime_suspend(struct device *dev) static void usb_port_shutdown(struct device *dev) { struct usb_port *port_dev = to_usb_port(dev); + struct usb_device *udev = port_dev->child; - if (port_dev->child) { - usb_disable_usb2_hardware_lpm(port_dev->child); - usb_unlocked_disable_lpm(port_dev->child); + if (udev && !udev->port_is_suspended) { + usb_disable_usb2_hardware_lpm(udev); + usb_unlocked_disable_lpm(udev); } } diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 13171454f959..dfcfc142bd5e 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -394,6 +394,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* Kingston DataTraveler 3.0 */ { USB_DEVICE(0x0951, 0x1666), .driver_info = USB_QUIRK_NO_LPM }, + /* TOSHIBA TransMemory-Mx */ + { USB_DEVICE(0x0930, 0x1408), .driver_info = USB_QUIRK_NO_LPM }, + /* NVIDIA Jetson devices in Force Recovery mode */ { USB_DEVICE(0x0955, 0x7018), .driver_info = USB_QUIRK_RESET_RESUME }, { USB_DEVICE(0x0955, 0x7019), .driver_info = USB_QUIRK_RESET_RESUME }, @@ -432,6 +435,9 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x0c45, 0x7056), .driver_info = USB_QUIRK_IGNORE_REMOTE_WAKEUP }, + /* Sony Xperia XZ1 Compact (lilac) smartphone in fastboot mode */ + { USB_DEVICE(0x0fce, 0x0dde), .driver_info = USB_QUIRK_NO_LPM }, + /* Action Semiconductor flash disk */ { USB_DEVICE(0x10d6, 0x2200), .driver_info = USB_QUIRK_STRING_FETCH_255 }, @@ -522,6 +528,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* Blackmagic Design UltraStudio SDI */ { USB_DEVICE(0x1edb, 0xbd4f), .driver_info = USB_QUIRK_NO_LPM }, + /* Teclast disk */ + { USB_DEVICE(0x1f75, 0x0917), .driver_info = USB_QUIRK_NO_LPM }, + /* Hauppauge HVR-950q */ { USB_DEVICE(0x2040, 0x7200), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS }, diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index b4cba23831ac..23f3cb1989f4 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -854,7 +854,7 @@ static const struct attribute_group dev_string_attr_grp = { static ssize_t descriptors_read(struct file *filp, struct kobject *kobj, - struct bin_attribute *attr, + const struct bin_attribute *attr, char *buf, loff_t off, size_t count) { struct device *dev = kobj_to_dev(kobj); @@ -890,11 +890,11 @@ descriptors_read(struct file *filp, struct kobject *kobj, } return count - nleft; } -static BIN_ATTR_RO(descriptors, 18 + 65535); /* dev descr + max-size raw descriptor */ +static const BIN_ATTR_RO(descriptors, 18 + 65535); /* dev descr + max-size raw descriptor */ static ssize_t bos_descriptors_read(struct file *filp, struct kobject *kobj, - struct bin_attribute *attr, + const struct bin_attribute *attr, char *buf, loff_t off, size_t count) { struct device *dev = kobj_to_dev(kobj); @@ -913,12 +913,12 @@ bos_descriptors_read(struct file *filp, struct kobject *kobj, } return n; } -static BIN_ATTR_RO(bos_descriptors, 65535); /* max-size BOS */ +static const BIN_ATTR_RO(bos_descriptors, 65535); /* max-size BOS */ /* When modifying this list, be sure to modify dev_bin_attrs_are_visible() * accordingly. */ -static struct bin_attribute *dev_bin_attrs[] = { +static const struct bin_attribute *const dev_bin_attrs[] = { &bin_attr_descriptors, &bin_attr_bos_descriptors, NULL @@ -944,7 +944,7 @@ static umode_t dev_bin_attrs_are_visible(struct kobject *kobj, } static const struct attribute_group dev_bin_attr_grp = { - .bin_attrs = dev_bin_attrs, + .bin_attrs_new = dev_bin_attrs, .is_bin_visible = dev_bin_attrs_are_visible, }; diff --git a/drivers/usb/core/usb-acpi.c b/drivers/usb/core/usb-acpi.c index 03c22114214b..935c0efea0b6 100644 --- a/drivers/usb/core/usb-acpi.c +++ b/drivers/usb/core/usb-acpi.c @@ -213,8 +213,7 @@ usb_acpi_get_connect_type(struct usb_port *port_dev, acpi_handle *handle) * no connectable, the port would be not used. */ - status = acpi_get_physical_device_location(handle, &pld); - if (ACPI_SUCCESS(status) && pld) + if (acpi_get_physical_device_location(handle, &pld) && pld) port_dev->location = USB_ACPI_LOCATION_VALID | pld->group_token << 8 | pld->group_position; |