/* * Copyright (C) 2008 Freescale Semiconductor, Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */#include <linux/device.h> /* devres_*(), devm_ioremap_release() */#include <linux/gfp.h>#include <linux/io.h> /* ioremap_prot() */#include <linux/export.h> /* EXPORT_SYMBOL() *//** * devm_ioremap_prot - Managed ioremap_prot() * @dev: Generic device to remap IO address for * @offset: BUS offset to map * @size: Size of map * @flags: Page flags * * Managed ioremap_prot(). Map is automatically unmapped on driver * detach. */void __iomem *devm_ioremap_prot(struct device *dev, resource_size_t offset, size_t size, unsigned long flags){ void __iomem **ptr, *addr; ptr = devres_alloc(devm_ioremap_release, sizeof(*ptr), GFP_KERNEL); if (!ptr) return NULL; addr = ioremap_prot(offset, size, flags); if (addr) { *ptr = addr; devres_add(dev, ptr); } else devres_free(ptr); return addr;}EXPORT_SYMBOL(devm_ioremap_prot);
/*
* Copyright (C) 2008 Freescale Semiconductor, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/device.h> /* devres_*(), devm_ioremap_release() */
#include <linux/gfp.h>
#include <linux/io.h> /* ioremap_prot() */
#include <linux/export.h> /* EXPORT_SYMBOL() */
/**
* devm_ioremap_prot - Managed ioremap_prot()
* @dev: Generic device to remap IO address for
* @offset: BUS offset to map
* @size: Size of map
* @flags: Page flags
*
* Managed ioremap_prot(). Map is automatically unmapped on driver
* detach.
*/
void __iomem *devm_ioremap_prot(struct device *dev, resource_size_t offset,
size_t size, unsigned long flags)
{
void __iomem **ptr, *addr;
ptr = devres_alloc(devm_ioremap_release, sizeof(*ptr), GFP_KERNEL);
if (!ptr)
return NULL;
addr = ioremap_prot(offset, size, flags);
if (addr) {
*ptr = addr;
devres_add(dev, ptr);
} else
devres_free(ptr);
return addr;
}
EXPORT_SYMBOL(devm_ioremap_prot);