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author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-06 16:48:27 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-06 16:48:27 -0800 |
commit | f90d64483ebd394958841f67f8794ab203b319a7 (patch) | |
tree | 3da8638603681adfe9bea7897c03ea27b40ef4f4 /drivers/usb/core/usb.c | |
parent | 67e79a6dc2664a3ef85113440e60f7aaca3c7815 (diff) | |
parent | 1c7cf3d5e1c181caca75012b65252288c18a25f2 (diff) |
Merge tag 'usb-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY updates from Greg KH:
"Here is the big USB/PHY driver pull request for 5.1-rc1.
The usual set of gadget driver updates, phy driver updates, xhci
updates, and typec additions. Also included in here are a lot of small
cleanups and fixes and driver updates where needed.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (167 commits)
wusb: Remove unnecessary static function ckhdid_printf
usb: core: make default autosuspend delay configurable
usb: core: Fix typo in description of "authorized_default"
usb: chipidea: Refactor USB PHY selection and keep a single PHY
usb: chipidea: Grab the (legacy) USB PHY by phandle first
usb: chipidea: imx: set power polarity
dt-bindings: usb: ci-hdrc-usb2: add property power-active-high
usb: chipidea: imx: remove unused header files
usb: chipidea: tegra: Fix missed ci_hdrc_remove_device()
usb: core: add option of only authorizing internal devices
usb: typec: tps6598x: handle block writes separately with plain-I2C adapters
usb: xhci: Fix for Enabling USB ROLE SWITCH QUIRK on INTEL_SUNRISEPOINT_LP_XHCI
usb: xhci: fix build warning - missing prototype
usb: xhci: dbc: Fixing typo error.
usb: xhci: remove unused member 'parent' in xhci_regset struct
xhci: tegra: Prevent error pointer dereference
USB: serial: option: add Telit ME910 ECM composition
usb: core: Replace hardcoded check with inline function from usb.h
usb: core: skip interfaces disabled in devicetree
usb: typec: mux: remove redundant check on variable match
...
Diffstat (limited to 'drivers/usb/core/usb.c')
-rw-r--r-- | drivers/usb/core/usb.c | 37 |
1 files changed, 28 insertions, 9 deletions
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 4ebfbd737905..7fcb9f782931 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -46,8 +46,7 @@ #include <linux/mm.h> #include <linux/dma-mapping.h> -#include "usb.h" - +#include "hub.h" const char *usbcore_name = "usbcore"; @@ -65,8 +64,8 @@ int usb_disabled(void) EXPORT_SYMBOL_GPL(usb_disabled); #ifdef CONFIG_PM -static int usb_autosuspend_delay = 2; /* Default delay value, - * in seconds */ +/* Default delay value, in seconds */ +static int usb_autosuspend_delay = CONFIG_USB_AUTOSUSPEND_DELAY; module_param_named(autosuspend, usb_autosuspend_delay, int, 0644); MODULE_PARM_DESC(autosuspend, "default autosuspend delay"); @@ -536,6 +535,27 @@ static unsigned usb_bus_is_wusb(struct usb_bus *bus) return hcd->wireless; } +static bool usb_dev_authorized(struct usb_device *dev, struct usb_hcd *hcd) +{ + struct usb_hub *hub; + + if (!dev->parent) + return true; /* Root hub always ok [and always wired] */ + + switch (hcd->dev_policy) { + case USB_DEVICE_AUTHORIZE_NONE: + default: + return false; + + case USB_DEVICE_AUTHORIZE_ALL: + return true; + + case USB_DEVICE_AUTHORIZE_INTERNAL: + hub = usb_hub_to_struct_hub(dev->parent); + return hub->ports[dev->portnum - 1]->connect_type == + USB_PORT_CONNECT_TYPE_HARD_WIRED; + } +} /** * usb_alloc_dev - usb device constructor (usbcore-internal) @@ -663,12 +683,11 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent, dev->connect_time = jiffies; dev->active_duration = -jiffies; #endif - if (root_hub) /* Root hub always ok [and always wired] */ - dev->authorized = 1; - else { - dev->authorized = !!HCD_DEV_AUTHORIZED(usb_hcd); + + 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); |