LCOV - code coverage report
Current view: top level - lkbce/include/linux - io.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 1 1 100.0 %
Date: 2017-01-25 Functions: 0 0 -

          Line data    Source code
       1             : /*
       2             :  * Copyright 2006 PathScale, Inc.  All Rights Reserved.
       3             :  *
       4             :  * This file is free software; you can redistribute it and/or modify
       5             :  * it under the terms of version 2 of the GNU General Public License
       6             :  * as published by the Free Software Foundation.
       7             :  *
       8             :  * This program is distributed in the hope that it will be useful,
       9             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      10             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      11             :  * GNU General Public License for more details.
      12             :  *
      13             :  * You should have received a copy of the GNU General Public License
      14             :  * along with this program; if not, write to the Free Software Foundation,
      15             :  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
      16             :  */
      17             : 
      18             : #ifndef _LINUX_IO_H
      19             : #define _LINUX_IO_H
      20             : 
      21             : #include <linux/types.h>
      22             : #include <asm/io.h>
      23             : #include <asm/page.h>
      24             : 
      25             : struct device;
      26             : 
      27             : void __iowrite32_copy(void __iomem *to, const void *from, size_t count);
      28             : void __iowrite64_copy(void __iomem *to, const void *from, size_t count);
      29             : 
      30             : #ifdef CONFIG_MMU
      31             : int ioremap_page_range(unsigned long addr, unsigned long end,
      32             :                        unsigned long phys_addr, pgprot_t prot);
      33             : #else
      34             : static inline int ioremap_page_range(unsigned long addr, unsigned long end,
      35             :                                      unsigned long phys_addr, pgprot_t prot)
      36             : {
      37             :         return 0;
      38             : }
      39             : #endif
      40             : 
      41             : /*
      42             :  * Managed iomap interface
      43             :  */
      44             : #ifdef CONFIG_HAS_IOPORT
      45             : void __iomem * devm_ioport_map(struct device *dev, unsigned long port,
      46             :                                unsigned int nr);
      47             : void devm_ioport_unmap(struct device *dev, void __iomem *addr);
      48             : #else
      49             : static inline void __iomem *devm_ioport_map(struct device *dev,
      50             :                                              unsigned long port,
      51             :                                              unsigned int nr)
      52             : {
      53             :         return NULL;
      54             : }
      55             : 
      56             : static inline void devm_ioport_unmap(struct device *dev, void __iomem *addr)
      57             : {
      58             : }
      59             : #endif
      60             : 
      61             : void __iomem *devm_ioremap(struct device *dev, resource_size_t offset,
      62             :                             unsigned long size);
      63             : void __iomem *devm_ioremap_nocache(struct device *dev, resource_size_t offset,
      64             :                                     unsigned long size);
      65             : void devm_iounmap(struct device *dev, void __iomem *addr);
      66             : int check_signature(const volatile void __iomem *io_addr,
      67             :                         const unsigned char *signature, int length);
      68             : void devm_ioremap_release(struct device *dev, void *res);
      69           1 : 
      70             : #endif /* _LINUX_IO_H */

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