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08dbd0f8ef
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license version 2 and only version 2 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 street fifth floor boston ma 02110 1301 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 94 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141334.043630402@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
78 lines
1.5 KiB
C
78 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* I/O access functions for Hexagon
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*
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* Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
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*/
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#include <asm/io.h>
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/* These are all FIFO routines! */
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/*
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* __raw_readsw - read words a short at a time
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* @addr: source address
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* @data: data address
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* @len: number of shorts to read
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*/
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void __raw_readsw(const void __iomem *addr, void *data, int len)
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{
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const volatile short int *src = (short int *) addr;
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short int *dst = (short int *) data;
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if ((u32)data & 0x1)
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panic("unaligned pointer to readsw");
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while (len-- > 0)
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*dst++ = *src;
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}
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/*
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* __raw_writesw - read words a short at a time
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* @addr: source address
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* @data: data address
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* @len: number of shorts to read
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*/
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void __raw_writesw(void __iomem *addr, const void *data, int len)
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{
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const short int *src = (short int *)data;
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volatile short int *dst = (short int *)addr;
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if ((u32)data & 0x1)
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panic("unaligned pointer to writesw");
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while (len-- > 0)
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*dst = *src++;
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}
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/* Pretty sure len is pre-adjusted for the length of the access already */
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void __raw_readsl(const void __iomem *addr, void *data, int len)
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{
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const volatile long *src = (long *) addr;
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long *dst = (long *) data;
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if ((u32)data & 0x3)
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panic("unaligned pointer to readsl");
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while (len-- > 0)
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*dst++ = *src;
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}
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void __raw_writesl(void __iomem *addr, const void *data, int len)
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{
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const long *src = (long *)data;
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volatile long *dst = (long *)addr;
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if ((u32)data & 0x3)
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panic("unaligned pointer to writesl");
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while (len-- > 0)
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*dst = *src++;
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}
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