From: Sinan Kaya <okaya@kernel.org>
To: linux-acpi@vger.kernel.org
Cc: Sinan Kaya <okaya@kernel.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Len Brown <lenb@kernel.org>,
linux-kernel@vger.kernel.org (open list)
Subject: [PATCH v12 2/7] ACPI: Allow CONFIG_PCI to be unset for reboot
Date: Wed, 19 Dec 2018 22:46:54 +0000 [thread overview]
Message-ID: <20181219224659.4802-3-okaya@kernel.org> (raw)
In-Reply-To: <20181219224659.4802-1-okaya@kernel.org>
Make PCI reboot conditional on CONFIG_PCI set on the kernel configuration.
Signed-off-by: Sinan Kaya <okaya@kernel.org>
---
drivers/acpi/reboot.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/acpi/reboot.c b/drivers/acpi/reboot.c
index d642a9dede52..ca707f5b521d 100644
--- a/drivers/acpi/reboot.c
+++ b/drivers/acpi/reboot.c
@@ -4,6 +4,7 @@
#include <linux/acpi.h>
#include <acpi/reboot.h>
+#ifdef CONFIG_PCI
static void acpi_pci_reboot(struct acpi_generic_address *rr, u8 reset_value)
{
unsigned int devfn;
@@ -21,6 +22,13 @@ static void acpi_pci_reboot(struct acpi_generic_address *rr, u8 reset_value)
pci_bus_write_config_byte(bus0, devfn,
(rr->address & 0xffff), reset_value);
}
+#else
+static inline void acpi_pci_reboot(struct acpi_generic_address *rr,
+ u8 reset_value)
+{
+ pr_warn_once("PCI configuration space access is not supported\n");
+}
+#endif
void acpi_reboot(void)
{
--
2.19.0
next prev parent reply other threads:[~2018-12-19 22:47 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20181219224659.4802-1-okaya@kernel.org>
2018-12-19 22:46 ` [PATCH v12 1/7] ACPI: Move PCI reset to a separate function Sinan Kaya
2018-12-19 22:46 ` Sinan Kaya [this message]
2018-12-19 22:46 ` [PATCH v12 3/7] ACPICA: Remove PCI bits from ACPICA when CONFIG_PCI is unset Sinan Kaya
2018-12-19 22:46 ` [PATCH v12 4/7] PCI/ACPI: Allow ACPI to be built without CONFIG_PCI set Sinan Kaya
2018-12-19 22:46 ` [PATCH v12 5/7] arm64: select ACPI PCI code only when both features are enabled Sinan Kaya
2018-12-19 22:46 ` [PATCH v12 6/7] ACPI/IORT: Stub out ACS functions when CONFIG_PCI is not set Sinan Kaya
2018-12-19 22:46 ` [PATCH v12 7/7] ACPI: Make PCI slot detection driver depend on PCI Sinan Kaya
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