On Mon, Oct 16, 2023 at 3:13 AM Janne Grunau via B4 Relay devnull+j.jannau.net@kernel.org wrote:
From: Janne Grunau j@jannau.net
bcm4378 and bcm4387 claim to support LE Coded PHY but fail to pair (reliably) with BLE devices if it is enabled. On bcm4378 pairing usually succeeds after 2-3 tries. On bcm4387 pairing appears to be completely broken.
Cc: stable@vger.kernel.org # 6.4.y+ Link: https://discussion.fedoraproject.org/t/mx-master-3-bluetooth-mouse-doesnt-co... Link: https://github.com/AsahiLinux/linux/issues/177 Fixes: 288c90224eec ("Bluetooth: Enable all supported LE PHY by default") Signed-off-by: Janne Grunau j@jannau.net
drivers/bluetooth/hci_bcm4377.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/bluetooth/hci_bcm4377.c b/drivers/bluetooth/hci_bcm4377.c index 19ad0e788646..a61757835695 100644 --- a/drivers/bluetooth/hci_bcm4377.c +++ b/drivers/bluetooth/hci_bcm4377.c @@ -512,6 +512,7 @@ struct bcm4377_hw { unsigned long disable_aspm : 1; unsigned long broken_ext_scan : 1; unsigned long broken_mws_transport_config : 1;
unsigned long broken_le_coded : 1; int (*send_calibration)(struct bcm4377_data *bcm4377); int (*send_ptb)(struct bcm4377_data *bcm4377,@@ -2372,6 +2373,8 @@ static int bcm4377_probe(struct pci_dev *pdev, const struct pci_device_id *id) set_bit(HCI_QUIRK_BROKEN_MWS_TRANSPORT_CONFIG, &hdev->quirks); if (bcm4377->hw->broken_ext_scan) set_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &hdev->quirks);
if (bcm4377->hw->broken_le_coded)set_bit(HCI_QUIRK_BROKEN_LE_CODED, &hdev->quirks); pci_set_drvdata(pdev, bcm4377); hci_set_drvdata(hdev, bcm4377);@@ -2461,6 +2464,7 @@ static const struct bcm4377_hw bcm4377_hw_variants[] = { .bar0_core2_window2 = 0x18107000, .has_bar0_core2_window2 = true, .broken_mws_transport_config = true,
.broken_le_coded = true, .send_calibration = bcm4378_send_calibration, .send_ptb = bcm4378_send_ptb, },@@ -2474,6 +2478,7 @@ static const struct bcm4377_hw bcm4377_hw_variants[] = { .has_bar0_core2_window2 = true, .clear_pciecfg_subsystem_ctrl_bit19 = true, .broken_mws_transport_config = true,
.broken_le_coded = true, .send_calibration = bcm4387_send_calibration, .send_ptb = bcm4378_send_ptb, },
base-commit: 0bb80ecc33a8fb5a682236443c1e740d5c917d1d change-id: 20231016-bt-bcm4377-quirk-broken-le-coded-599688e3c4a0
LGTM.
Reviewed-by: Neal Gompa neal@gompa.dev