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author | jc_gargma <jc_gargma@iserlohn-fortress.net> | 2021-02-28 00:02:48 -0800 |
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committer | jc_gargma <jc_gargma@iserlohn-fortress.net> | 2021-02-28 00:02:48 -0800 |
commit | 31a454a8699cbf17c6f980834fdfd7c9632b3681 (patch) | |
tree | ae45427a35338e807c0fbe741d8e2f9315a93b4d /0002-Bluetooth-btusb-Some-Qualcomm-Bluetooth-adapters-stop-working.patch | |
parent | Updated to 5.11.1 (diff) | |
download | linux-ck-31a454a8699cbf17c6f980834fdfd7c9632b3681.tar.xz |
Updated to 5.11.2
Diffstat (limited to '0002-Bluetooth-btusb-Some-Qualcomm-Bluetooth-adapters-stop-working.patch')
-rw-r--r-- | 0002-Bluetooth-btusb-Some-Qualcomm-Bluetooth-adapters-stop-working.patch | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/0002-Bluetooth-btusb-Some-Qualcomm-Bluetooth-adapters-stop-working.patch b/0002-Bluetooth-btusb-Some-Qualcomm-Bluetooth-adapters-stop-working.patch deleted file mode 100644 index d1e59b0..0000000 --- a/0002-Bluetooth-btusb-Some-Qualcomm-Bluetooth-adapters-stop-working.patch +++ /dev/null @@ -1,50 +0,0 @@ -From 66b6d6c8306329134abeeb26d352f2074b2f0e1e Mon Sep 17 00:00:00 2001 -From: Hui Wang <hui.wang@canonical.com> -Date: Mon, 8 Feb 2021 13:02:37 +0800 -Subject: Bluetooth: btusb: Some Qualcomm Bluetooth adapters stop working - -This issue starts from linux-5.10-rc1, I reproduced this issue on my -Dell Inspiron 7447 with BT adapter 0cf3:e005, the kernel will print -out: "Bluetooth: hci0: don't support firmware rome 0x31010000", and -someone else also reported the similar issue to bugzilla #211571. - -I found this is a regression introduced by 'commit b40f58b97386 -("Bluetooth: btusb: Add Qualcomm Bluetooth SoC WCN6855 support"), the -patch assumed that if high ROM version is not zero, it is an adapter -on WCN6855, but many old adapters don't need to load rampatch or nvm, -and they have non-zero high ROM version. - -To fix it, let the driver match the rom_version in the -qca_devices_table first, if there is no entry matched, check the -high ROM version, if it is not zero, we assume this adapter is ready -to work and no need to load rampatch and nvm like previously. - -BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=211571 -Fixes: b40f58b97386 ("Bluetooth: btusb: Add Qualcomm Bluetooth SoC WCN6855 support") -Signed-off-by: Hui Wang <hui.wang@canonical.com> -Signed-off-by: Marcel Holtmann <marcel@holtmann.org> ---- - drivers/bluetooth/btusb.c | 7 +++++++ - 1 file changed, 7 insertions(+) - -diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c -index 03b83aa91277..32161dd40ed6 100644 ---- a/drivers/bluetooth/btusb.c -+++ b/drivers/bluetooth/btusb.c -@@ -4069,6 +4069,13 @@ static int btusb_setup_qca(struct hci_dev *hdev) - info = &qca_devices_table[i]; - } - if (!info) { -+ /* If the rom_version is not matched in the qca_devices_table -+ * and the high ROM version is not zero, we assume this chip no -+ * need to load the rampatch and nvm. -+ */ -+ if (ver_rom & ~0xffffU) -+ return 0; -+ - bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom); - return -ENODEV; - } --- -cgit v1.2.3-1-gf6bb5 - |