Revision 63a07cb64ccc3ceae619d3298545d602ab5ecd38 authored by Linus Torvalds on 09 June 2010, 19:44:19 UTC, committed by Linus Torvalds on 09 June 2010, 19:44:19 UTC
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (21 commits) mac80211: fix deauth before assoc iwlwifi: add missing rcu_read_lock mac80211: fix function pointer check wireless: remove my name from the maintainer list ath5k: fix NULL pointer in antenna configuration p54usb: Add device ID for Dell WLA3310 USB wl1251: fix a memory leak in probe ipmr: dont corrupt lists 8139too: fix buffer overrun in rtl8139_init_board asix: check packet size against mtu+ETH_HLEN instead of ETH_FRAME_LEN r8169: fix random mdio_write failures ip6mr: fix a typo in ip6mr_for_each_table() iwlwifi: move sysfs_create_group to post request firmware iwlwifi: add name to Maintainers list iwl3945: fix internal scan iwl3945: enable stuck queue detection on 3945 ipv6: avoid high order allocations ath5k: retain promiscuous setting ath5k: depend on CONFIG_PM_SLEEP for suspend/resume functions mac80211: process station blockack action frames from work ...
iomap_copy.c
/*
* Copyright 2006 PathScale, Inc. All Rights Reserved.
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <linux/module.h>
#include <linux/io.h>
/**
* __iowrite32_copy - copy data to MMIO space, in 32-bit units
* @to: destination, in MMIO space (must be 32-bit aligned)
* @from: source (must be 32-bit aligned)
* @count: number of 32-bit quantities to copy
*
* Copy data from kernel space to MMIO space, in units of 32 bits at a
* time. Order of access is not guaranteed, nor is a memory barrier
* performed afterwards.
*/
void __attribute__((weak)) __iowrite32_copy(void __iomem *to,
const void *from,
size_t count)
{
u32 __iomem *dst = to;
const u32 *src = from;
const u32 *end = src + count;
while (src < end)
__raw_writel(*src++, dst++);
}
EXPORT_SYMBOL_GPL(__iowrite32_copy);
/**
* __iowrite64_copy - copy data to MMIO space, in 64-bit or 32-bit units
* @to: destination, in MMIO space (must be 64-bit aligned)
* @from: source (must be 64-bit aligned)
* @count: number of 64-bit quantities to copy
*
* Copy data from kernel space to MMIO space, in units of 32 or 64 bits at a
* time. Order of access is not guaranteed, nor is a memory barrier
* performed afterwards.
*/
void __attribute__((weak)) __iowrite64_copy(void __iomem *to,
const void *from,
size_t count)
{
#ifdef CONFIG_64BIT
u64 __iomem *dst = to;
const u64 *src = from;
const u64 *end = src + count;
while (src < end)
__raw_writeq(*src++, dst++);
#else
__iowrite32_copy(to, from, count * 2);
#endif
}
EXPORT_SYMBOL_GPL(__iowrite64_copy);
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