Merge tag 'usb-6.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 6.11-rc6. Included in here are:
- dwc3 driver fixes for reported issues
- MAINTAINER file update, marking a driver as unsupported :(
- cdnsp driver fixes
- USB gadget driver fix
- USB sysfs fix
- other tiny fixes
- new device ids for usb serial driver
All of these have been in linux-next this week with no reported
issues"
* tag 'usb-6.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: serial: option: add MeiG Smart SRM825L
usb: cdnsp: fix for Link TRB with TC
usb: dwc3: st: add missing depopulate in probe error path
usb: dwc3: st: fix probed platform device ref count on probe error path
usb: dwc3: ep0: Don't reset resource alloc flag (including ep0)
usb: core: sysfs: Unmerge @usb3_hardware_lpm_attr_group in remove_power_attributes()
usb: typec: fsa4480: Relax CHIP_ID check
usb: dwc3: xilinx: add missing depopulate in probe error path
usb: dwc3: omap: add missing depopulate in probe error path
dt-bindings: usb: microchip,usb2514: Fix reference USB device schema
usb: gadget: uvc: queue pump work in uvcg_video_enable()
cdc-acm: Add DISABLE_ECHO quirk for GE HealthCare UI Controller
usb: cdnsp: fix incorrect index in cdnsp_get_hw_deq function
usb: dwc3: core: Prevent USB core invalid event buffer address access
MAINTAINERS: Mark UVC gadget driver as orphan
diff --git a/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml b/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml
index 245e8c3..b14e6f3 100644
--- a/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml
+++ b/Documentation/devicetree/bindings/usb/microchip,usb2514.yaml
@@ -10,7 +10,7 @@
- Fabio Estevam <festevam@gmail.com>
allOf:
- - $ref: usb-hcd.yaml#
+ - $ref: usb-device.yaml#
properties:
compatible:
@@ -36,6 +36,13 @@
- compatible
- reg
+patternProperties:
+ "^.*@[0-9a-f]{1,2}$":
+ description: The hard wired USB devices
+ type: object
+ $ref: /schemas/usb/usb-device.yaml
+ additionalProperties: true
+
unevaluatedProperties: false
examples:
diff --git a/MAINTAINERS b/MAINTAINERS
index 80d5c50..fe83ba7 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -23848,10 +23848,8 @@
F: include/uapi/linux/uvcvideo.h
USB WEBCAM GADGET
-M: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
-M: Daniel Scally <dan.scally@ideasonboard.com>
L: linux-usb@vger.kernel.org
-S: Maintained
+S: Orphan
F: drivers/usb/gadget/function/*uvc*
F: drivers/usb/gadget/legacy/webcam.c
F: include/uapi/linux/usb/g_uvc.h
diff --git a/drivers/usb/cdns3/cdnsp-gadget.h b/drivers/usb/cdns3/cdnsp-gadget.h
index dbee6f0..84887df 100644
--- a/drivers/usb/cdns3/cdnsp-gadget.h
+++ b/drivers/usb/cdns3/cdnsp-gadget.h
@@ -811,6 +811,7 @@
* generate Missed Service Error Event.
* Set skip flag when receive a Missed Service Error Event and
* process the missed tds on the endpoint ring.
+ * @wa1_nop_trb: hold pointer to NOP trb.
*/
struct cdnsp_ep {
struct usb_ep endpoint;
@@ -838,6 +839,8 @@
#define EP_UNCONFIGURED BIT(7)
bool skip;
+ union cdnsp_trb *wa1_nop_trb;
+
};
/**
diff --git a/drivers/usb/cdns3/cdnsp-ring.c b/drivers/usb/cdns3/cdnsp-ring.c
index 02f297f..dbd83d3 100644
--- a/drivers/usb/cdns3/cdnsp-ring.c
+++ b/drivers/usb/cdns3/cdnsp-ring.c
@@ -402,7 +402,7 @@
struct cdnsp_stream_ctx *st_ctx;
struct cdnsp_ep *pep;
- pep = &pdev->eps[stream_id];
+ pep = &pdev->eps[ep_index];
if (pep->ep_state & EP_HAS_STREAMS) {
st_ctx = &pep->stream_info.stream_ctx_array[stream_id];
@@ -1905,6 +1905,23 @@
return ret;
/*
+ * workaround 1: STOP EP command on LINK TRB with TC bit set to 1
+ * causes that internal cycle bit can have incorrect state after
+ * command complete. In consequence empty transfer ring can be
+ * incorrectly detected when EP is resumed.
+ * NOP TRB before LINK TRB avoid such scenario. STOP EP command is
+ * then on NOP TRB and internal cycle bit is not changed and have
+ * correct value.
+ */
+ if (pep->wa1_nop_trb) {
+ field = le32_to_cpu(pep->wa1_nop_trb->trans_event.flags);
+ field ^= TRB_CYCLE;
+
+ pep->wa1_nop_trb->trans_event.flags = cpu_to_le32(field);
+ pep->wa1_nop_trb = NULL;
+ }
+
+ /*
* Don't give the first TRB to the hardware (by toggling the cycle bit)
* until we've finished creating all the other TRBs. The ring's cycle
* state may change as we enqueue the other TRBs, so save it too.
@@ -1999,6 +2016,17 @@
send_addr = addr;
}
+ if (cdnsp_trb_is_link(ring->enqueue + 1)) {
+ field = TRB_TYPE(TRB_TR_NOOP) | TRB_IOC;
+ if (!ring->cycle_state)
+ field |= TRB_CYCLE;
+
+ pep->wa1_nop_trb = ring->enqueue;
+
+ cdnsp_queue_trb(pdev, ring, 0, 0x0, 0x0,
+ TRB_INTR_TARGET(0), field);
+ }
+
cdnsp_check_trb_math(preq, enqd_len);
ret = cdnsp_giveback_first_trb(pdev, pep, preq->request.stream_id,
start_cycle, start_trb);
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 0e7439d..0c1b69d 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1761,6 +1761,9 @@
{ USB_DEVICE(0x11ca, 0x0201), /* VeriFone Mx870 Gadget Serial */
.driver_info = SINGLE_RX_URB,
},
+ { USB_DEVICE(0x1901, 0x0006), /* GE Healthcare Patient Monitor UI Controller */
+ .driver_info = DISABLE_ECHO, /* DISABLE ECHO in termios flag */
+ },
{ USB_DEVICE(0x1965, 0x0018), /* Uniden UBC125XLT */
.driver_info = NO_UNION_NORMAL, /* has no union descriptor */
},
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index d83231d..61b6d97 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -670,6 +670,7 @@
static void remove_power_attributes(struct device *dev)
{
+ sysfs_unmerge_group(&dev->kobj, &usb3_hardware_lpm_attr_group);
sysfs_unmerge_group(&dev->kobj, &usb2_hardware_lpm_attr_group);
sysfs_unmerge_group(&dev->kobj, &power_attr_group);
}
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 734de2a..ccc3895 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -564,9 +564,17 @@
void dwc3_event_buffers_cleanup(struct dwc3 *dwc)
{
struct dwc3_event_buffer *evt;
+ u32 reg;
if (!dwc->ev_buf)
return;
+ /*
+ * Exynos platforms may not be able to access event buffer if the
+ * controller failed to halt on dwc3_core_exit().
+ */
+ reg = dwc3_readl(dwc->regs, DWC3_DSTS);
+ if (!(reg & DWC3_DSTS_DEVCTRLHLT))
+ return;
evt = dwc->ev_buf;
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index d5c77db..2a11fc0 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -522,11 +522,13 @@
if (ret) {
dev_err(dev, "failed to request IRQ #%d --> %d\n",
omap->irq, ret);
- goto err1;
+ goto err2;
}
dwc3_omap_enable_irqs(omap);
return 0;
+err2:
+ of_platform_depopulate(dev);
err1:
pm_runtime_put_sync(dev);
pm_runtime_disable(dev);
diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c
index 211360e..c8c7cd0 100644
--- a/drivers/usb/dwc3/dwc3-st.c
+++ b/drivers/usb/dwc3/dwc3-st.c
@@ -219,10 +219,8 @@
dwc3_data->regmap = regmap;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "syscfg-reg");
- if (!res) {
- ret = -ENXIO;
- goto undo_platform_dev_alloc;
- }
+ if (!res)
+ return -ENXIO;
dwc3_data->syscfg_reg_off = res->start;
@@ -233,8 +231,7 @@
devm_reset_control_get_exclusive(dev, "powerdown");
if (IS_ERR(dwc3_data->rstc_pwrdn)) {
dev_err(&pdev->dev, "could not get power controller\n");
- ret = PTR_ERR(dwc3_data->rstc_pwrdn);
- goto undo_platform_dev_alloc;
+ return PTR_ERR(dwc3_data->rstc_pwrdn);
}
/* Manage PowerDown */
@@ -269,7 +266,7 @@
if (!child_pdev) {
dev_err(dev, "failed to find dwc3 core device\n");
ret = -ENODEV;
- goto err_node_put;
+ goto depopulate;
}
dwc3_data->dr_mode = usb_get_dr_mode(&child_pdev->dev);
@@ -285,6 +282,7 @@
ret = st_dwc3_drd_init(dwc3_data);
if (ret) {
dev_err(dev, "drd initialisation failed\n");
+ of_platform_depopulate(dev);
goto undo_softreset;
}
@@ -294,14 +292,14 @@
platform_set_drvdata(pdev, dwc3_data);
return 0;
+depopulate:
+ of_platform_depopulate(dev);
err_node_put:
of_node_put(child);
undo_softreset:
reset_control_assert(dwc3_data->rstc_rst);
undo_powerdown:
reset_control_assert(dwc3_data->rstc_pwrdn);
-undo_platform_dev_alloc:
- platform_device_put(pdev);
return ret;
}
diff --git a/drivers/usb/dwc3/dwc3-xilinx.c b/drivers/usb/dwc3/dwc3-xilinx.c
index bb4d894..f1298b1 100644
--- a/drivers/usb/dwc3/dwc3-xilinx.c
+++ b/drivers/usb/dwc3/dwc3-xilinx.c
@@ -327,9 +327,14 @@
goto err_pm_set_suspended;
pm_suspend_ignore_children(dev, false);
- return pm_runtime_resume_and_get(dev);
+ ret = pm_runtime_resume_and_get(dev);
+ if (ret < 0)
+ goto err_pm_set_suspended;
+
+ return 0;
err_pm_set_suspended:
+ of_platform_depopulate(dev);
pm_runtime_set_suspended(dev);
err_clk_put:
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index d96ffbe..c9533a9 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -232,7 +232,8 @@
/* stall is always issued on EP0 */
dep = dwc->eps[0];
__dwc3_gadget_ep_set_halt(dep, 1, false);
- dep->flags = DWC3_EP_ENABLED;
+ dep->flags &= DWC3_EP_RESOURCE_ALLOCATED;
+ dep->flags |= DWC3_EP_ENABLED;
dwc->delayed_status = false;
if (!list_empty(&dep->pending_list)) {
diff --git a/drivers/usb/gadget/function/uvc_video.c b/drivers/usb/gadget/function/uvc_video.c
index d41f5f3..a9edd60 100644
--- a/drivers/usb/gadget/function/uvc_video.c
+++ b/drivers/usb/gadget/function/uvc_video.c
@@ -753,6 +753,7 @@
video->req_int_count = 0;
uvc_video_ep_queue_initial_requests(video);
+ queue_work(video->async_wq, &video->pump);
return ret;
}
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 311040f..176f387 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -619,6 +619,8 @@
/* MeiG Smart Technology products */
#define MEIGSMART_VENDOR_ID 0x2dee
+/* MeiG Smart SRM825L based on Qualcomm 315 */
+#define MEIGSMART_PRODUCT_SRM825L 0x4d22
/* MeiG Smart SLM320 based on UNISOC UIS8910 */
#define MEIGSMART_PRODUCT_SLM320 0x4d41
@@ -2366,6 +2368,9 @@
{ USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, TOZED_PRODUCT_LT70C, 0xff, 0, 0) },
{ USB_DEVICE_AND_INTERFACE_INFO(UNISOC_VENDOR_ID, LUAT_PRODUCT_AIR720U, 0xff, 0, 0) },
{ USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SLM320, 0xff, 0, 0) },
+ { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x30) },
+ { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(MEIGSMART_VENDOR_ID, MEIGSMART_PRODUCT_SRM825L, 0xff, 0xff, 0x60) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);
diff --git a/drivers/usb/typec/mux/fsa4480.c b/drivers/usb/typec/mux/fsa4480.c
index cd23533..f71dba8 100644
--- a/drivers/usb/typec/mux/fsa4480.c
+++ b/drivers/usb/typec/mux/fsa4480.c
@@ -274,7 +274,7 @@
return dev_err_probe(dev, PTR_ERR(fsa->regmap), "failed to initialize regmap\n");
ret = regmap_read(fsa->regmap, FSA4480_DEVICE_ID, &val);
- if (ret || !val)
+ if (ret)
return dev_err_probe(dev, -ENODEV, "FSA4480 not found\n");
dev_dbg(dev, "Found FSA4480 v%lu.%lu (Vendor ID = %lu)\n",
