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

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Date:   Sat, 22 Dec 2018 00:14:47 +0000
From:   Sinan Kaya <okaya@...nel.org>
To:     linux-next@...r.kernel.org
Cc:     linux-acpi@...r.kernel.org, Sinan Kaya <okaya@...nel.org>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        platform-driver-x86@...r.kernel.org (open list:X86 PLATFORM DRIVERS),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v1 06/11] platform/x86: apple-gmux: hide PCI specific code

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@...nel.org>
---
 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