diff options
Diffstat (limited to '0001-Bluetooth-btusb-Disable-autosuspend-on-QCA-Rome-devi.patch')
| -rw-r--r-- | 0001-Bluetooth-btusb-Disable-autosuspend-on-QCA-Rome-devi.patch | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/0001-Bluetooth-btusb-Disable-autosuspend-on-QCA-Rome-devi.patch b/0001-Bluetooth-btusb-Disable-autosuspend-on-QCA-Rome-devi.patch deleted file mode 100644 index cc1af2ceb..000000000 --- a/0001-Bluetooth-btusb-Disable-autosuspend-on-QCA-Rome-devi.patch +++ /dev/null @@ -1,47 +0,0 @@ -From a5ffa27c07e06900fcfc50b08de6d11e45830168 Mon Sep 17 00:00:00 2001 -From: Hans de Goede <hdegoede@redhat.com> -Date: Wed, 3 Jan 2018 12:49:44 +0100 -Subject: [PATCH v2] Bluetooth: btusb: Disable autosuspend on QCA Rome devices - -Commit fd865802c66b ("Bluetooth: btusb: fix QCA Rome suspend/resume") fixes -a suspend/resume problem on QCA devices by doing a full reset on resume, -reloading the firmware. - -A similar problem happens when using runtime-pm / autosuspend, when this is -enabled by the user the QCA Rome device stops working. Reloading the -firmware after a runtime suspend is not really an option since the latency -caused by this is unacceptable. - -To fix the runtime-pm issues, this commit disables runtime-pm on QCA Rome -HCIs, by getting (and not releasing) an usb autopm reference on the btusb -interface. - -BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1514836 -Signed-off-by: Hans de Goede <hdegoede@redhat.com> ---- - drivers/bluetooth/btusb.c | 7 +++++++ - 1 file changed, 7 insertions(+) - -diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c -index 808c249845db..6ed3a0e5b8f6 100644 ---- a/drivers/bluetooth/btusb.c -+++ b/drivers/bluetooth/btusb.c -@@ -3122,8 +3122,15 @@ static int btusb_probe(struct usb_interface *intf, - /* QCA Rome devices lose their updated firmware over suspend, - * but the USB hub doesn't notice any status change. - * Explicitly request a device reset on resume. -+ * And disable runtime pm by getting a pm reference, the USB -+ * core will drop our reference on disconnect. - */ - set_bit(BTUSB_RESET_RESUME, &data->flags); -+ err = usb_autopm_get_interface(data->intf); -+ if (err < 0) { -+ BT_ERR("failed to get pm reference %d", err); -+ goto out_free_dev; -+ } - } - - #ifdef CONFIG_BT_HCIBTUSB_RTL --- -2.14.3 - |