Commit 40a58637 authored by Liu Jinsong's avatar Liu Jinsong Committed by Konrad Rzeszutek Wilk
Browse files

xen/acpi: Move xen_acpi_get_pxm to Xen's acpi.h 



So that it could be reused by Xen CPU hotplug logic.

Signed-off-by: default avatarLiu, Jinsong <jinsong.liu@intel.com>
Signed-off-by: default avatarKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
parent b22ff77b

drivers/xen/xen-acpi-memhotplug.c

+0 −18
Original line number Diff line number Diff line
@@ -65,24 +65,6 @@ static int xen_hotadd_memory(int pxm, struct acpi_memory_info *info) 
	return rc;

}



static int xen_acpi_get_pxm(acpi_handle h)

{

	unsigned long long pxm;

	acpi_status status;

	acpi_handle handle;

	acpi_handle phandle = h;



	do {

		handle = phandle;

		status = acpi_evaluate_integer(handle, "_PXM", NULL, &pxm);

		if (ACPI_SUCCESS(status))

			return pxm;

		status = acpi_get_parent(handle, &phandle);

	} while (ACPI_SUCCESS(status));



	return -ENXIO;

}



static int xen_acpi_memory_enable_device(struct acpi_memory_device *mem_device)

{

	int pxm, result;

include/xen/acpi.h

+18 −0
Original line number Diff line number Diff line
@@ -69,4 +69,22 @@ static inline void xen_acpi_sleep_register(void) 
}

#endif



static inline int xen_acpi_get_pxm(acpi_handle h)

{

	unsigned long long pxm;

	acpi_status status;

	acpi_handle handle;

	acpi_handle phandle = h;



	do {

		handle = phandle;

		status = acpi_evaluate_integer(handle, "_PXM", NULL, &pxm);

		if (ACPI_SUCCESS(status))

			return pxm;

		status = acpi_get_parent(handle, &phandle);

	} while (ACPI_SUCCESS(status));



	return -ENXIO;

}



#endif	/* _XEN_ACPI_H */