Stephen Rothwell wrote:
> Hi Konrad,
>
> After merging the xen-two tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> drivers/xen/xen-acpi-memhotplug.c: In function
> 'acpi_memory_get_device':
> drivers/xen/xen-acpi-memhotplug.c:191:2: error: implicit declaration
> of function 'acpi_bus_add' [-Werror=implicit-function-declaration]
> drivers/xen/xen-acpi-memhotplug.c: At top level:
> drivers/xen/xen-acpi-memhotplug.c:417:3: warning: initialization from
> incompatible pointer type [enabled by default]
> drivers/xen/xen-acpi-memhotplug.c:417:3: warning: (near
> initialization for 'xen_acpi_memory_device_driver.ops.remove')
> [enabled by default]
>
> Caused by commit 259f201cb7ea ("xen/acpi: ACPI memory hotplug").
>
> drivers/xen/xen-acpi-cpuhotplug.c: In function
> 'acpi_processor_device_add':
> drivers/xen/xen-acpi-cpuhotplug.c:254:2: error: implicit declaration
> of function 'acpi_bus_add' [-Werror=implicit-function-declaration]
> drivers/xen/xen-acpi-cpuhotplug.c: At top level:
> drivers/xen/xen-acpi-cpuhotplug.c:425:3: warning: initialization from
> incompatible pointer type [enabled by default]
> drivers/xen/xen-acpi-cpuhotplug.c:425:3: warning: (near
> initialization for 'xen_acpi_processor_driver.ops.remove') [enabled
> by default]
>
> Caused by commit 181232c249f0 ("xen/acpi: ACPI cpu hotplug").
>
> These commits interacted with commits 636458de36f1 ("ACPI: Remove the
> arguments of acpi_bus_add() that are not used"), 0cd6ac52b333 ("ACPI:
> Make acpi_bus_scan() and acpi_bus_add() take only one argument") and
> b8bd759acd05 ("ACPI / scan: Drop acpi_bus_add() and use
> acpi_bus_scan()
> instead") from the pm tree.
>
> I have added this merge fix patch and can carry it as necessary (I did
> *not* fix the warnings above):
Thanks Stephen to fix the confliction between xen and pm tree!
As for the warnings above, I have just sent out a patch 1 minutes ago to fix it.
Regards,
Jinsong
>
> From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date: Fri, 15 Feb 2013 15:37:27 +1100
> Subject: [PATCH] xen/acpi: fix up for apci_bus_add api change
>
> Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
> drivers/xen/xen-acpi-cpuhotplug.c | 2 +-
> drivers/xen/xen-acpi-memhotplug.c | 2 +-
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/xen/xen-acpi-cpuhotplug.c
> b/drivers/xen/xen-acpi-cpuhotplug.c
> index 9eefbb0..0db4722 100644
> --- a/drivers/xen/xen-acpi-cpuhotplug.c
> +++ b/drivers/xen/xen-acpi-cpuhotplug.c
> @@ -251,7 +251,7 @@ int acpi_processor_device_add(acpi_handle handle,
> struct acpi_device **device) if (acpi_bus_get_device(phandle,
> &pdev)) return -ENODEV;
>
> - if (acpi_bus_add(device, pdev, handle, ACPI_BUS_TYPE_PROCESSOR))
> + if (acpi_bus_scan(handle))
> return -ENODEV;
>
> return 0;
> diff --git a/drivers/xen/xen-acpi-memhotplug.c
> b/drivers/xen/xen-acpi-memhotplug.c
> index 678680c..164287b 100644
> --- a/drivers/xen/xen-acpi-memhotplug.c
> +++ b/drivers/xen/xen-acpi-memhotplug.c
> @@ -188,7 +188,7 @@ acpi_memory_get_device(acpi_handle handle,
> * Now add the notified device. This creates the acpi_device
> * and invokes .add function
> */
> - result = acpi_bus_add(&device, pdevice, handle,
> ACPI_BUS_TYPE_DEVICE); + result = acpi_bus_scan(handle);
> if (result) {
> pr_warn(PREFIX "Cannot add acpi bus\n");
> return -EINVAL;
> --
> 1.8.1
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