Messages in this thread Patch in this message | | | From | Arnd Bergmann <> | Subject | [PATCH] hv: vmbus: mark PM functions as __maybe_unused | Date | Wed, 18 Sep 2019 22:00:42 +0200 |
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When CONFIG_PM is disabled, we get a couple of harmless warnings:
drivers/hv/vmbus_drv.c:918:12: error: unused function 'vmbus_suspend' [-Werror,-Wunused-function] drivers/hv/vmbus_drv.c:937:12: error: unused function 'vmbus_resume' [-Werror,-Wunused-function] drivers/hv/vmbus_drv.c:2128:12: error: unused function 'vmbus_bus_suspend' [-Werror,-Wunused-function] drivers/hv/vmbus_drv.c:2208:12: error: unused function 'vmbus_bus_resume' [-Werror,-Wunused-function]
Mark these functions __maybe_unused to let gcc drop them silently.
Fixes: f53335e3289f ("Drivers: hv: vmbus: Suspend/resume the vmbus itself for hibernation") Fixes: 271b2224d42f ("Drivers: hv: vmbus: Implement suspend/resume for VSC drivers for hibernation") Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- drivers/hv/vmbus_drv.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index 391f0b225c9a..2542eb1f872b 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -915,7 +915,7 @@ static void vmbus_shutdown(struct device *child_device) /* * vmbus_suspend - Suspend a vmbus device */ -static int vmbus_suspend(struct device *child_device) +static int __maybe_unused vmbus_suspend(struct device *child_device) { struct hv_driver *drv; struct hv_device *dev = device_to_hv_device(child_device); @@ -934,7 +934,7 @@ static int vmbus_suspend(struct device *child_device) /* * vmbus_resume - Resume a vmbus device */ -static int vmbus_resume(struct device *child_device) +static int __maybe_unused vmbus_resume(struct device *child_device) { struct hv_driver *drv; struct hv_device *dev = device_to_hv_device(child_device); @@ -2125,7 +2125,7 @@ static int vmbus_acpi_add(struct acpi_device *device) return ret_val; } -static int vmbus_bus_suspend(struct device *dev) +static int __maybe_unused vmbus_bus_suspend(struct device *dev) { struct vmbus_channel *channel, *sc; unsigned long flags; @@ -2205,7 +2205,7 @@ static int vmbus_bus_suspend(struct device *dev) return 0; } -static int vmbus_bus_resume(struct device *dev) +static int __maybe_unused vmbus_bus_resume(struct device *dev) { struct vmbus_channel_msginfo *msginfo; size_t msgsize; -- 2.20.0
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