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authorDave Airlie <airlied@redhat.com>2024-11-04 14:25:33 +1000
committerDave Airlie <airlied@redhat.com>2024-11-04 14:25:33 +1000
commit30169bb64580bd7bce9290c1952bf0aa6cc37fe5 (patch)
tree94c6ab9dec68f5648a055752aad32d816bd27e11 /drivers/bluetooth/btusb.c
parentbcfe43f0ea77c42c2154fb79b99b7d1d82ac3231 (diff)
parent59b723cd2adbac2a34fc8e12c74ae26ae45bf230 (diff)
downloadlwn-30169bb64580bd7bce9290c1952bf0aa6cc37fe5.tar.gz
lwn-30169bb64580bd7bce9290c1952bf0aa6cc37fe5.zip
Backmerge v6.12-rc6 of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
Backmerge Linus tree for some drm-fixes needed for msm and xe merges. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/bluetooth/btusb.c')
-rw-r--r--drivers/bluetooth/btusb.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index f23c8801ad5c..e9534fbc92e3 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -1345,10 +1345,15 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
if (!urb)
return -ENOMEM;
- /* Use maximum HCI Event size so the USB stack handles
- * ZPL/short-transfer automatically.
- */
- size = HCI_MAX_EVENT_SIZE;
+ if (le16_to_cpu(data->udev->descriptor.idVendor) == 0x0a12 &&
+ le16_to_cpu(data->udev->descriptor.idProduct) == 0x0001)
+ /* Fake CSR devices don't seem to support sort-transter */
+ size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
+ else
+ /* Use maximum HCI Event size so the USB stack handles
+ * ZPL/short-transfer automatically.
+ */
+ size = HCI_MAX_EVENT_SIZE;
buf = kmalloc(size, mem_flags);
if (!buf) {
@@ -4041,8 +4046,10 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
BT_DBG("intf %p", intf);
- /* Don't suspend if there are connections */
- if (hci_conn_count(data->hdev))
+ /* Don't auto-suspend if there are connections; external suspend calls
+ * shall never fail.
+ */
+ if (PMSG_IS_AUTO(message) && hci_conn_count(data->hdev))
return -EBUSY;
if (data->suspend_count++)