[PATCH v1 06/11] platform/x86: apple-gmux: hide PCI specific code

From: Sinan Kaya
Date: Fri Dec 21 2018 - 19:15:21 EST


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 <okaya@xxxxxxxxxx>
---
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