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authorLinus Torvalds <torvalds@linux-foundation.org>2025-09-14 10:28:15 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2025-09-14 10:28:15 -0700
commitd6b42787f30d86ef3aa5313c8a43c0b228d1f11b (patch)
treed7c23c9804c34c1d939d32541d18275cb3163f4e
parentdf86f912b45c20e236060321c85fe35437e9325d (diff)
parent9dfec4a51df9cf0dcc23cb4ac6fc314bf9e999d0 (diff)
Merge tag 'usb-6.17-rc6' 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 and new device ids for 6.17-rc6. Included in here are: - new usb-serial driver device ids - dummy-hcd locking bugfix for rt-enabled systems (which is crazy, but people have odd testing requirements at times...) - xhci driver bugfixes for reported issues - typec driver bugfix - midi2 gadget driver bugfixes - usb core sysfs file regression fix from -rc1 All of these, except for the last usb sysfs file fix, have been in linux-next with no reported issues. The sysfs fix was added to the tree on Friday, and is "obviously correct" and should not have any problems either, it just didn't have any time for linux-next to pick up (0-day had no problems with it)" * tag 'usb-6.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: USB: core: remove the move buf action usb: gadget: midi2: Fix MIDI2 IN EP max packet size usb: gadget: midi2: Fix missing UMP group attributes initialization usb: typec: tcpm: properly deliver cable vdms to altmode drivers USB: gadget: dummy-hcd: Fix locking bug in RT-enabled kernels xhci: fix memory leak regression when freeing xhci vdev devices depth first xhci: dbc: Fix full DbC transfer ring after several reconnects xhci: dbc: decouple endpoint allocation from initialization USB: serial: option: add Telit Cinterion LE910C4-WWX new compositions USB: serial: option: add Telit Cinterion FN990A w/audio compositions
-rw-r--r--drivers/usb/core/driver.c4
-rw-r--r--drivers/usb/gadget/function/f_midi2.c11
-rw-r--r--drivers/usb/gadget/udc/dummy_hcd.c8
-rw-r--r--drivers/usb/host/xhci-dbgcap.c94
-rw-r--r--drivers/usb/host/xhci-mem.c2
-rw-r--r--drivers/usb/serial/option.c17
-rw-r--r--drivers/usb/typec/tcpm/tcpm.c12
7 files changed, 108 insertions, 40 deletions
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index c3177034b779..f441958b0ef4 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -119,11 +119,11 @@ ssize_t usb_show_dynids(struct usb_dynids *dynids, char *buf)
guard(mutex)(&usb_dynids_lock);
list_for_each_entry(dynid, &dynids->list, node)
if (dynid->id.bInterfaceClass != 0)
- count += sysfs_emit_at(&buf[count], count, "%04x %04x %02x\n",
+ count += sysfs_emit_at(buf, count, "%04x %04x %02x\n",
dynid->id.idVendor, dynid->id.idProduct,
dynid->id.bInterfaceClass);
else
- count += sysfs_emit_at(&buf[count], count, "%04x %04x\n",
+ count += sysfs_emit_at(buf, count, "%04x %04x\n",
dynid->id.idVendor, dynid->id.idProduct);
return count;
}
diff --git a/drivers/usb/gadget/function/f_midi2.c b/drivers/usb/gadget/function/f_midi2.c
index 0a800ba53816..de16b02d857e 100644
--- a/drivers/usb/gadget/function/f_midi2.c
+++ b/drivers/usb/gadget/function/f_midi2.c
@@ -1599,6 +1599,7 @@ static int f_midi2_create_card(struct f_midi2 *midi2)
strscpy(fb->info.name, ump_fb_name(b),
sizeof(fb->info.name));
}
+ snd_ump_update_group_attrs(ump);
}
for (i = 0; i < midi2->num_eps; i++) {
@@ -1736,9 +1737,12 @@ static int f_midi2_create_usb_configs(struct f_midi2 *midi2,
case USB_SPEED_HIGH:
midi2_midi1_ep_out_desc.wMaxPacketSize = cpu_to_le16(512);
midi2_midi1_ep_in_desc.wMaxPacketSize = cpu_to_le16(512);
- for (i = 0; i < midi2->num_eps; i++)
+ for (i = 0; i < midi2->num_eps; i++) {
midi2_midi2_ep_out_desc[i].wMaxPacketSize =
cpu_to_le16(512);
+ midi2_midi2_ep_in_desc[i].wMaxPacketSize =
+ cpu_to_le16(512);
+ }
fallthrough;
case USB_SPEED_FULL:
midi1_in_eps = midi2_midi1_ep_in_descs;
@@ -1747,9 +1751,12 @@ static int f_midi2_create_usb_configs(struct f_midi2 *midi2,
case USB_SPEED_SUPER:
midi2_midi1_ep_out_desc.wMaxPacketSize = cpu_to_le16(1024);
midi2_midi1_ep_in_desc.wMaxPacketSize = cpu_to_le16(1024);
- for (i = 0; i < midi2->num_eps; i++)
+ for (i = 0; i < midi2->num_eps; i++) {
midi2_midi2_ep_out_desc[i].wMaxPacketSize =
cpu_to_le16(1024);
+ midi2_midi2_ep_in_desc[i].wMaxPacketSize =
+ cpu_to_le16(1024);
+ }
midi1_in_eps = midi2_midi1_ep_in_ss_descs;
midi1_out_eps = midi2_midi1_ep_out_ss_descs;
break;
diff --git a/drivers/usb/gadget/udc/dummy_hcd.c b/drivers/usb/gadget/udc/dummy_hcd.c
index 21dbfb0b3bac..1cefca660773 100644
--- a/drivers/usb/gadget/udc/dummy_hcd.c
+++ b/drivers/usb/gadget/udc/dummy_hcd.c
@@ -765,8 +765,7 @@ static int dummy_dequeue(struct usb_ep *_ep, struct usb_request *_req)
if (!dum->driver)
return -ESHUTDOWN;
- local_irq_save(flags);
- spin_lock(&dum->lock);
+ spin_lock_irqsave(&dum->lock, flags);
list_for_each_entry(iter, &ep->queue, queue) {
if (&iter->req != _req)
continue;
@@ -776,15 +775,16 @@ static int dummy_dequeue(struct usb_ep *_ep, struct usb_request *_req)
retval = 0;
break;
}
- spin_unlock(&dum->lock);
if (retval == 0) {
dev_dbg(udc_dev(dum),
"dequeued req %p from %s, len %d buf %p\n",
req, _ep->name, _req->length, _req->buf);
+ spin_unlock(&dum->lock);
usb_gadget_giveback_request(_ep, _req);
+ spin_lock(&dum->lock);
}
- local_irq_restore(flags);
+ spin_unlock_irqrestore(&dum->lock, flags);
return retval;
}
diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c
index 06a2edb9e86e..63edf2d8f245 100644
--- a/drivers/usb/host/xhci-dbgcap.c
+++ b/drivers/usb/host/xhci-dbgcap.c
@@ -101,13 +101,34 @@ static u32 xhci_dbc_populate_strings(struct dbc_str_descs *strings)
return string_length;
}
+static void xhci_dbc_init_ep_contexts(struct xhci_dbc *dbc)
+{
+ struct xhci_ep_ctx *ep_ctx;
+ unsigned int max_burst;
+ dma_addr_t deq;
+
+ max_burst = DBC_CTRL_MAXBURST(readl(&dbc->regs->control));
+
+ /* Populate bulk out endpoint context: */
+ ep_ctx = dbc_bulkout_ctx(dbc);
+ deq = dbc_bulkout_enq(dbc);
+ ep_ctx->ep_info = 0;
+ ep_ctx->ep_info2 = dbc_epctx_info2(BULK_OUT_EP, 1024, max_burst);
+ ep_ctx->deq = cpu_to_le64(deq | dbc->ring_out->cycle_state);
+
+ /* Populate bulk in endpoint context: */
+ ep_ctx = dbc_bulkin_ctx(dbc);
+ deq = dbc_bulkin_enq(dbc);
+ ep_ctx->ep_info = 0;
+ ep_ctx->ep_info2 = dbc_epctx_info2(BULK_IN_EP, 1024, max_burst);
+ ep_ctx->deq = cpu_to_le64(deq | dbc->ring_in->cycle_state);
+}
+
static void xhci_dbc_init_contexts(struct xhci_dbc *dbc, u32 string_length)
{
struct dbc_info_context *info;
- struct xhci_ep_ctx *ep_ctx;
u32 dev_info;
- dma_addr_t deq, dma;
- unsigned int max_burst;
+ dma_addr_t dma;
if (!dbc)
return;
@@ -121,20 +142,8 @@ static void xhci_dbc_init_contexts(struct xhci_dbc *dbc, u32 string_length)
info->serial = cpu_to_le64(dma + DBC_MAX_STRING_LENGTH * 3);
info->length = cpu_to_le32(string_length);
- /* Populate bulk out endpoint context: */
- ep_ctx = dbc_bulkout_ctx(dbc);
- max_burst = DBC_CTRL_MAXBURST(readl(&dbc->regs->control));
- deq = dbc_bulkout_enq(dbc);
- ep_ctx->ep_info = 0;
- ep_ctx->ep_info2 = dbc_epctx_info2(BULK_OUT_EP, 1024, max_burst);
- ep_ctx->deq = cpu_to_le64(deq | dbc->ring_out->cycle_state);
-
- /* Populate bulk in endpoint context: */
- ep_ctx = dbc_bulkin_ctx(dbc);
- deq = dbc_bulkin_enq(dbc);
- ep_ctx->ep_info = 0;
- ep_ctx->ep_info2 = dbc_epctx_info2(BULK_IN_EP, 1024, max_burst);
- ep_ctx->deq = cpu_to_le64(deq | dbc->ring_in->cycle_state);
+ /* Populate bulk in and out endpoint contexts: */
+ xhci_dbc_init_ep_contexts(dbc);
/* Set DbC context and info registers: */
lo_hi_writeq(dbc->ctx->dma, &dbc->regs->dccp);
@@ -436,6 +445,42 @@ dbc_alloc_ctx(struct device *dev, gfp_t flags)
return ctx;
}
+static void xhci_dbc_ring_init(struct xhci_ring *ring)
+{
+ struct xhci_segment *seg = ring->first_seg;
+
+ /* clear all trbs on ring in case of old ring */
+ memset(seg->trbs, 0, TRB_SEGMENT_SIZE);
+
+ /* Only event ring does not use link TRB */
+ if (ring->type != TYPE_EVENT) {
+ union xhci_trb *trb = &seg->trbs[TRBS_PER_SEGMENT - 1];
+
+ trb->link.segment_ptr = cpu_to_le64(ring->first_seg->dma);
+ trb->link.control = cpu_to_le32(LINK_TOGGLE | TRB_TYPE(TRB_LINK));
+ }
+ xhci_initialize_ring_info(ring);
+}
+
+static int xhci_dbc_reinit_ep_rings(struct xhci_dbc *dbc)
+{
+ struct xhci_ring *in_ring = dbc->eps[BULK_IN].ring;
+ struct xhci_ring *out_ring = dbc->eps[BULK_OUT].ring;
+
+ if (!in_ring || !out_ring || !dbc->ctx) {
+ dev_warn(dbc->dev, "Can't re-init unallocated endpoints\n");
+ return -ENODEV;
+ }
+
+ xhci_dbc_ring_init(in_ring);
+ xhci_dbc_ring_init(out_ring);
+
+ /* set ep context enqueue, dequeue, and cycle to initial values */
+ xhci_dbc_init_ep_contexts(dbc);
+
+ return 0;
+}
+
static struct xhci_ring *
xhci_dbc_ring_alloc(struct device *dev, enum xhci_ring_type type, gfp_t flags)
{
@@ -464,15 +509,10 @@ xhci_dbc_ring_alloc(struct device *dev, enum xhci_ring_type type, gfp_t flags)
seg->dma = dma;
- /* Only event ring does not use link TRB */
- if (type != TYPE_EVENT) {
- union xhci_trb *trb = &seg->trbs[TRBS_PER_SEGMENT - 1];
-
- trb->link.segment_ptr = cpu_to_le64(dma);
- trb->link.control = cpu_to_le32(LINK_TOGGLE | TRB_TYPE(TRB_LINK));
- }
INIT_LIST_HEAD(&ring->td_list);
- xhci_initialize_ring_info(ring);
+
+ xhci_dbc_ring_init(ring);
+
return ring;
dma_fail:
kfree(seg);
@@ -864,7 +904,7 @@ static enum evtreturn xhci_dbc_do_handle_events(struct xhci_dbc *dbc)
dev_info(dbc->dev, "DbC cable unplugged\n");
dbc->state = DS_ENABLED;
xhci_dbc_flush_requests(dbc);
-
+ xhci_dbc_reinit_ep_rings(dbc);
return EVT_DISC;
}
@@ -874,7 +914,7 @@ static enum evtreturn xhci_dbc_do_handle_events(struct xhci_dbc *dbc)
writel(portsc, &dbc->regs->portsc);
dbc->state = DS_ENABLED;
xhci_dbc_flush_requests(dbc);
-
+ xhci_dbc_reinit_ep_rings(dbc);
return EVT_DISC;
}
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 81eaad87a3d9..c4a6544aa107 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -962,7 +962,7 @@ static void xhci_free_virt_devices_depth_first(struct xhci_hcd *xhci, int slot_i
out:
/* we are now at a leaf device */
xhci_debugfs_remove_slot(xhci, slot_id);
- xhci_free_virt_device(xhci, vdev, slot_id);
+ xhci_free_virt_device(xhci, xhci->devs[slot_id], slot_id);
}
int xhci_alloc_virt_device(struct xhci_hcd *xhci, int slot_id,
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index e5cd33093423..fc869b7f803f 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1322,7 +1322,18 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(0) | RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1033, 0xff), /* Telit LE910C1-EUX (ECM) */
.driver_info = NCTRL(0) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1034, 0xff), /* Telit LE910C4-WWX (rmnet) */
+ .driver_info = RSVD(2) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1035, 0xff) }, /* Telit LE910C4-WWX (ECM) */
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1036, 0xff) }, /* Telit LE910C4-WWX */
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1037, 0xff), /* Telit LE910C4-WWX (rmnet) */
+ .driver_info = NCTRL(0) | NCTRL(1) | RSVD(4) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1038, 0xff), /* Telit LE910C4-WWX (rmnet) */
+ .driver_info = NCTRL(0) | RSVD(3) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x103b, 0xff), /* Telit LE910C4-WWX */
+ .driver_info = NCTRL(0) | NCTRL(1) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x103c, 0xff), /* Telit LE910C4-WWX */
+ .driver_info = NCTRL(0) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG0),
.driver_info = RSVD(0) | RSVD(1) | NCTRL(2) | RSVD(3) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG1),
@@ -1369,6 +1380,12 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(0) | RSVD(1) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1075, 0xff), /* Telit FN990A (PCIe) */
.driver_info = RSVD(0) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1077, 0xff), /* Telit FN990A (rmnet + audio) */
+ .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1078, 0xff), /* Telit FN990A (MBIM + audio) */
+ .driver_info = NCTRL(0) | RSVD(1) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1079, 0xff), /* Telit FN990A (RNDIS + audio) */
+ .driver_info = NCTRL(2) | RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1080, 0xff), /* Telit FE990A (rmnet) */
.driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1081, 0xff), /* Telit FE990A (MBIM) */
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 1f6fdfaa34bf..b2a568a5bc9b 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -2426,17 +2426,21 @@ static void tcpm_handle_vdm_request(struct tcpm_port *port,
case ADEV_NONE:
break;
case ADEV_NOTIFY_USB_AND_QUEUE_VDM:
- WARN_ON(typec_altmode_notify(adev, TYPEC_STATE_USB, NULL));
- typec_altmode_vdm(adev, p[0], &p[1], cnt);
+ if (rx_sop_type == TCPC_TX_SOP_PRIME) {
+ typec_cable_altmode_vdm(adev, TYPEC_PLUG_SOP_P, p[0], &p[1], cnt);
+ } else {
+ WARN_ON(typec_altmode_notify(adev, TYPEC_STATE_USB, NULL));
+ typec_altmode_vdm(adev, p[0], &p[1], cnt);
+ }
break;
case ADEV_QUEUE_VDM:
- if (response_tx_sop_type == TCPC_TX_SOP_PRIME)
+ if (rx_sop_type == TCPC_TX_SOP_PRIME)
typec_cable_altmode_vdm(adev, TYPEC_PLUG_SOP_P, p[0], &p[1], cnt);
else
typec_altmode_vdm(adev, p[0], &p[1], cnt);
break;
case ADEV_QUEUE_VDM_SEND_EXIT_MODE_ON_FAIL:
- if (response_tx_sop_type == TCPC_TX_SOP_PRIME) {
+ if (rx_sop_type == TCPC_TX_SOP_PRIME) {
if (typec_cable_altmode_vdm(adev, TYPEC_PLUG_SOP_P,
p[0], &p[1], cnt)) {
int svdm_version = typec_get_cable_svdm_version(