Linux v5.10.19
Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org>
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From 28ddef379ecc0ab1ae646f6442cfa839ab9a15b2 Mon Sep 17 00:00:00 2001
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From: Hui Wang <hui.wang@canonical.com>
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Date: Mon, 8 Feb 2021 13:02:37 +0800
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Subject: [PATCH 5.12 regression fix] Bluetooth: btusb: Some Qualcomm Bluetooth
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adapters stop working
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This issue starts from linux-5.10-rc1, I reproduced this issue on my
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Dell Inspiron 7447 with BT adapter 0cf3:e005, the kernel will print
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out: "Bluetooth: hci0: don't support firmware rome 0x31010000", and
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someone else also reported the similar issue to bugzilla #211571.
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I found this is a regression introduced by 'commit b40f58b97386
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("Bluetooth: btusb: Add Qualcomm Bluetooth SoC WCN6855 support"), the
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patch assumed that if high ROM version is not zero, it is an adapter
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on WCN6855, but many old adapters don't need to load rampatch or nvm,
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and they have non-zero high ROM version.
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To fix it, let the driver match the rom_version in the
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qca_devices_table first, if there is no entry matched, check the
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high ROM version, if it is not zero, we assume this adapter is ready
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to work and no need to load rampatch and nvm like previously.
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BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=211571
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Fixes: b40f58b97386 ("Bluetooth: btusb: Add Qualcomm Bluetooth SoC WCN6855 support")
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Signed-off-by: Hui Wang <hui.wang@canonical.com>
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Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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---
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drivers/bluetooth/btusb.c | 7 +++++++
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1 file changed, 7 insertions(+)
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diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
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index 80468745d5c5..1c128de99abd 100644
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--- a/drivers/bluetooth/btusb.c
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+++ b/drivers/bluetooth/btusb.c
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@@ -3693,6 +3693,13 @@ static int btusb_setup_qca(struct hci_dev *hdev)
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info = &qca_devices_table[i];
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}
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if (!info) {
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+ /* If the rom_version is not matched in the qca_devices_table
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+ * and the high ROM version is not zero, we assume this chip no
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+ * need to load the rampatch and nvm.
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+ */
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+ if (ver_rom & ~0xffffU)
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+ return 0;
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+
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bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom);
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return -ENODEV;
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}
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--
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2.30.1
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@ -94,7 +94,7 @@ Summary: The Linux kernel
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%if 0%{?released_kernel}
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# Do we have a -stable update to apply?
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%define stable_update 18
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%define stable_update 19
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# Set rpm version accordingly
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%if 0%{?stable_update}
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%define stablerev %{stable_update}
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@ -857,9 +857,6 @@ Patch107: 0001-drm-nouveau-kms-handle-mDP-connectors.patch
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Patch109: 0001-Revert-drm-amd-display-Update-NV1x-SR-latency-values.patch
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# rhbz 1916104 (patch from bluetooth-next)
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Patch110: bluetooth-btusb-qca-fix.patch
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# rhbz 1925346
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Patch111: i915-fixes.patch
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@ -2976,6 +2973,9 @@ fi
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#
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#
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%changelog
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* Fri Feb 26 2021 Justin M. Forbes <jforbes@fedoraproject.org> - 5.10.19-200
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- Linux v5.10.19
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* Thu Feb 25 2021 Justin M. Forbes <jforbes@fedoraproject.org>
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- Some i915 fixes for 5.10 (rhbz 1925346)
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2
sources
2
sources
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@ -1,2 +1,2 @@
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SHA512 (linux-5.10.tar.xz) = c28d52bc0c1e2c99017ceeca0bf2e622427f3416e0692090b01f65e3b3a5bce0e3e52ce3cee15d71e84fcb965bd48bdfcccb818c0105035d712ebd07afde9452
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SHA512 (patch-5.10.18.xz) = 96df42ef1b988415c3b1e48e86d173bdbf3d9a53b9e87ccb7efb01aff1dad9375a68833ea40aa083d94dd530797c2ca29650aab033d731f9ec2d303e47fdbec9
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SHA512 (patch-5.10.19.xz) = 9637f8dac379ffa6d376afcce8da87250eb48a6a2ffac0e5732884cca2cc2f0a85811fc326f006d2d297680ff7dcf726665360d9c7d5d34307bc3e7169ce6a7a
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