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Bluetooth: btintel_pcie: Add shared HW reset for clean start

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Reset shared Bluetooth hardware after mapping the BAR and before setting
up MSI-X interrupts, so stale device state is cleared before IRQ handlers
and interrupt masks are configured.

Propagate reset errors so probe aborts rather than continuing when the
reset fails.

Fixes: c2b636b3f7 ("Bluetooth: btintel_pcie: Add support for PCIe transport")
Signed-off-by: Sai Teja Aluvala <aluvala.sai.teja@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Sai Teja Aluvala 2026-09-29 11:42:33 +05:30 committed by Luiz Augusto von Dentz
parent ac022970e9
commit 1465494e8d
1 changed files with 7 additions and 0 deletions
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7
drivers/bluetooth/btintel_pcie.c
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@ -1877,6 +1877,13 @@ static int btintel_pcie_config_pcie(struct pci_dev *pdev,
if (IS_ERR(data->base_addr))
return PTR_ERR(data->base_addr);
/* Do shared hardware reset to ensure a clean start before
* configuring interrupts.
*/
err = btintel_pcie_reset_bt(data);
if (err)
return err;
err = btintel_pcie_setup_irq(data);
if (err)
return err;