Code is scanning PCI bus to find out if it is switchable or not. If CONFIG_PCI is not set, assume unswitchable.
Signed-off-by: Sinan Kaya <[email protected]> --- drivers/platform/x86/apple-gmux.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c index fd2ffebc868f..b552b54bf58b 100644 --- a/drivers/platform/x86/apple-gmux.c +++ b/drivers/platform/x86/apple-gmux.c @@ -742,8 +742,12 @@ static int gmux_probe(struct pnp_dev *pnp, const struct pnp_device_id *id) * If Thunderbolt is present, the external DP port is not fully * switchable. Force its AUX channel to the discrete GPU. */ +#ifdef CONFIG_PCI gmux_data->external_switchable = !bus_for_each_dev(&pci_bus_type, NULL, NULL, is_thunderbolt); +#else + gmux_data->external_switchable = false; +#endif if (!gmux_data->external_switchable) gmux_write8(gmux_data, GMUX_PORT_SWITCH_EXTERNAL, 3); -- 2.19.0
