From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sinan Kaya Subject: [PATCH v5 1/5] ACPI: Allow CONFIG_PCI to be unset for reboot Date: Wed, 12 Dec 2018 05:28:41 +0000 Message-ID: <20181212052846.32370-2-okaya@kernel.org> References: <20181212052846.32370-1-okaya@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20181212052846.32370-1-okaya@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: linux-acpi@vger.kernel.org Cc: Sinan Kaya , "Rafael J. Wysocki" , Len Brown , open list List-Id: linux-acpi@vger.kernel.org Make PCI reboot conditional on PCI support being present on the kernel configuration. Signed-off-by: Sinan Kaya --- drivers/acpi/reboot.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/acpi/reboot.c b/drivers/acpi/reboot.c index 6fa9c2a4cfe9..d75e637ee36a 100644 --- a/drivers/acpi/reboot.c +++ b/drivers/acpi/reboot.c @@ -7,8 +7,6 @@ void acpi_reboot(void) { struct acpi_generic_address *rr; - struct pci_bus *bus0; - unsigned int devfn; u8 reset_value; if (acpi_disabled) @@ -33,6 +31,11 @@ void acpi_reboot(void) * on a device on bus 0. */ switch (rr->space_id) { case ACPI_ADR_SPACE_PCI_CONFIG: + { +#ifdef CONFIG_PCI + unsigned int devfn; + struct pci_bus *bus0; + /* The reset register can only live on bus 0. */ bus0 = pci_find_bus(0, 0); if (!bus0) @@ -44,8 +47,9 @@ void acpi_reboot(void) /* Write the value that resets us. */ pci_bus_write_config_byte(bus0, devfn, (rr->address & 0xffff), reset_value); +#endif break; - + } case ACPI_ADR_SPACE_SYSTEM_MEMORY: case ACPI_ADR_SPACE_SYSTEM_IO: printk(KERN_DEBUG "ACPI MEMORY or I/O RESET_REG.\n"); -- 2.19.0