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authorLinus Torvalds <torvalds@linux-foundation.org>2023-07-03 13:23:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2023-07-03 13:23:10 -0700
commit56cbceab928d7ac3702de172ff8dcc1da2a6aaeb (patch)
treed225b447d5421b652dae4b7d3501bc82900a8ecf /drivers/usb/dwc3/gadget.c
parent868a9fd9480785952336e5f119e1f75877c423a8 (diff)
parent18af4b5c97915a6daef9de28a30ae1d3786bc2ac (diff)
Merge tag 'usb-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt driver updates from Greg KH: "Here is the big set of USB and Thunderbolt driver updates for 6.5-rc1. Included in here are: - Lots of USB4/Thunderbolt additions and updates for new hardware types and fixes as people are starting to get access to the hardware in the wild - new gadget controller driver, cdns2, added - new typec drivers added - xhci driver updates - typec driver updates - usbip driver fixes - usb-serial driver updates and fixes - lots of smaller USB driver updates All of these have been in linux-next for a while with no reported problems" * tag 'usb-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (265 commits) usb: host: xhci-plat: Set XHCI_STATE_REMOVING before resuming XHCI HC usb: host: xhci: Do not re-initialize the XHCI HC if being removed usb: typec: nb7vpq904m: fix CONFIG_DRM dependency usbip: usbip_host: Replace strlcpy with strscpy usb: dwc3: gadget: Propagate core init errors to UDC during pullup USB: serial: option: add LARA-R6 01B PIDs usb: ulpi: Make container_of() no-op in to_ulpi_dev() usb: gadget: legacy: fix error return code in gfs_bind usb: typec: fsa4480: add support for Audio Accessory Mode usb: typec: fsa4480: rework mux & switch setup to handle more states usb: typec: ucsi: call typec_set_mode on non-altmode partner change USB: gadget: f_hid: make hidg_class a static const structure USB: gadget: f_printer: make usb_gadget_class a static const structure USB: mon: make mon_bin_class a static const structure USB: gadget: udc: core: make udc_class a static const structure USB: roles: make role_class a static const structure dt-bindings: usb: dwc3: Add interrupt-names property support for wakeup interrupt dt-bindings: usb: Add StarFive JH7110 USB controller dt-bindings: usb: dwc3: Add IPQ9574 compatible usb: cdns2: Fix spelling mistake in a trace message "Wakupe" -> "Wakeup" ...
Diffstat (limited to 'drivers/usb/dwc3/gadget.c')
-rw-r--r--drivers/usb/dwc3/gadget.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index b78599dd705c..5fd067151fbf 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2703,13 +2703,17 @@ static int dwc3_gadget_soft_disconnect(struct dwc3 *dwc)
static int dwc3_gadget_soft_connect(struct dwc3 *dwc)
{
+ int ret;
+
/*
* In the Synopsys DWC_usb31 1.90a programming guide section
* 4.1.9, it specifies that for a reconnect after a
* device-initiated disconnect requires a core soft reset
* (DCTL.CSftRst) before enabling the run/stop bit.
*/
- dwc3_core_soft_reset(dwc);
+ ret = dwc3_core_soft_reset(dwc);
+ if (ret)
+ return ret;
dwc3_event_buffers_setup(dwc);
__dwc3_gadget_start(dwc);
@@ -2744,7 +2748,9 @@ static int dwc3_gadget_pullup(struct usb_gadget *g, int is_on)
ret = pm_runtime_get_sync(dwc->dev);
if (!ret || ret < 0) {
pm_runtime_put(dwc->dev);
- return 0;
+ if (ret < 0)
+ pm_runtime_set_suspended(dwc->dev);
+ return ret;
}
if (dwc->pullups_connected == is_on) {
@@ -3809,6 +3815,9 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc,
break;
case DWC3_DEPEVT_RXTXFIFOEVT:
break;
+ default:
+ dev_err(dwc->dev, "unknown endpoint event %d\n", event->endpoint_event);
+ break;
}
}