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authorLinus Torvalds <torvalds@linux-foundation.org>2021-01-24 10:54:54 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2021-01-24 10:54:54 -0800
commit8f3bfd2181ecb920e5f51e2a16c1ef65d6f50a5f (patch)
treebdf224f12b042ef24d746d5b1e85c87ce2ccfc6f /drivers/usb/gadget/udc/dummy_hcd.c
parente68061375f792af245fefbc13e3e078fa92d3539 (diff)
parentef02684c4e67d8c35ac83083564135bc7b1d3445 (diff)
downloadlinux-8f3bfd2181ecb920e5f51e2a16c1ef65d6f50a5f.tar.bz2
Merge tag 'usb-5.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH: "Here are some small USB driver fixes for 5.11-rc5. They resolve: - xhci issues for some reported problems - ehci driver issue for one specific device - USB gadget fixes for some reported problems - cdns3 driver fixes for issues reported - MAINTAINERS file update - thunderbolt minor fix All of these have been in linux-next with no reported issues" * tag 'usb-5.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: usb: bdc: Make bdc pci driver depend on BROKEN xhci: tegra: Delay for disabling LFPS detector xhci: make sure TRB is fully written before giving it to the controller usb: udc: core: Use lock when write to soft_connect USB: gadget: dummy-hcd: Fix errors in port-reset handling usb: gadget: aspeed: fix stop dma register setting. USB: ehci: fix an interrupt calltrace error ehci: fix EHCI host controller initialization sequence MAINTAINERS: update Peter Chen's email address thunderbolt: Drop duplicated 0x prefix from format string MAINTAINERS: Update address for Cadence USB3 driver usb: cdns3: imx: improve driver .remove API usb: cdns3: imx: fix can't create core device the second time issue usb: cdns3: imx: fix writing read-only memory issue
Diffstat (limited to 'drivers/usb/gadget/udc/dummy_hcd.c')
-rw-r--r--drivers/usb/gadget/udc/dummy_hcd.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index 1a953f44183a..57067763b100 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -2270,17 +2270,20 @@ static int dummy_hub_control(
}
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
@@ -2292,7 +2295,8 @@ static int dummy_hub_control(
* interval? Is it still 50msec as for HS?
*/
dum_hcd->re_timeout = jiffies + msecs_to_jiffies(50);
- fallthrough;
+ set_link_state(dum_hcd);
+ break;
case USB_PORT_FEAT_C_CONNECTION:
case USB_PORT_FEAT_C_RESET:
case USB_PORT_FEAT_C_ENABLE: