linux-stable/include/linux/mfd/core.h
Daniel Drake 5f2545fa15 mfd: Allow for bypass of cell resource conflict check
The upcoming VIA VX855 MFD driver needs to communicate resources
to subdevices where the resources may be claimed by ACPI.

Add a flag to mfd_cell to request that resources are not policed.

Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2010-10-29 00:29:48 +02:00

59 lines
1.5 KiB
C

/*
* drivers/mfd/mfd-core.h
*
* core MFD support
* Copyright (c) 2006 Ian Molton
* Copyright (c) 2007 Dmitry Baryshkov
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#ifndef MFD_CORE_H
#define MFD_CORE_H
#include <linux/platform_device.h>
/*
* This struct describes the MFD part ("cell").
* After registration the copy of this structure will become the platform data
* of the resulting platform_device
*/
struct mfd_cell {
const char *name;
int id;
int (*enable)(struct platform_device *dev);
int (*disable)(struct platform_device *dev);
int (*suspend)(struct platform_device *dev);
int (*resume)(struct platform_device *dev);
/* driver-specific data for MFD-aware "cell" drivers */
void *driver_data;
/* platform_data can be used to either pass data to "generic"
driver or as a hook to mfd_cell for the "cell" drivers */
void *platform_data;
size_t data_size;
/*
* This resources can be specified relatievly to the parent device.
* For accessing device you should use resources from device
*/
int num_resources;
const struct resource *resources;
/* don't check for resource conflicts */
bool ignore_resource_conflicts;
};
extern int mfd_add_devices(struct device *parent, int id,
const struct mfd_cell *cells, int n_devs,
struct resource *mem_base,
int irq_base);
extern void mfd_remove_devices(struct device *parent);
#endif