Staging: android: Remove pmem driver
Addroid pmem driver is no longer used in any of the Android products. This patch removes pmem driver from Android staging area Reference: https://lkml.org/lkml/2012/1/23/183 Signed-off-by: Shuah Khan <shuahkhan@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -99,10 +99,6 @@ config ANDROID_LOW_MEMORY_KILLER
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---help---
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Register processes to be killed when memory is low
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config ANDROID_PMEM
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bool "Android pmem allocator"
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depends on ARM
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source "drivers/staging/android/switch/Kconfig"
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endif # if ANDROID
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@ -5,5 +5,4 @@ obj-$(CONFIG_ANDROID_RAM_CONSOLE) += ram_console.o
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obj-$(CONFIG_ANDROID_TIMED_OUTPUT) += timed_output.o
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obj-$(CONFIG_ANDROID_TIMED_GPIO) += timed_gpio.o
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obj-$(CONFIG_ANDROID_LOW_MEMORY_KILLER) += lowmemorykiller.o
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obj-$(CONFIG_ANDROID_PMEM) += pmem.o
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obj-$(CONFIG_ANDROID_SWITCH) += switch/
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@ -1,93 +0,0 @@
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/* include/linux/android_pmem.h
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*
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* Copyright (C) 2007 Google, Inc.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef _ANDROID_PMEM_H_
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#define _ANDROID_PMEM_H_
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#define PMEM_IOCTL_MAGIC 'p'
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#define PMEM_GET_PHYS _IOW(PMEM_IOCTL_MAGIC, 1, unsigned int)
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#define PMEM_MAP _IOW(PMEM_IOCTL_MAGIC, 2, unsigned int)
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#define PMEM_GET_SIZE _IOW(PMEM_IOCTL_MAGIC, 3, unsigned int)
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#define PMEM_UNMAP _IOW(PMEM_IOCTL_MAGIC, 4, unsigned int)
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/* This ioctl will allocate pmem space, backing the file, it will fail
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* if the file already has an allocation, pass it the len as the argument
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* to the ioctl */
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#define PMEM_ALLOCATE _IOW(PMEM_IOCTL_MAGIC, 5, unsigned int)
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/* This will connect a one pmem file to another, pass the file that is already
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* backed in memory as the argument to the ioctl
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*/
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#define PMEM_CONNECT _IOW(PMEM_IOCTL_MAGIC, 6, unsigned int)
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/* Returns the total size of the pmem region it is sent to as a pmem_region
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* struct (with offset set to 0).
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*/
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#define PMEM_GET_TOTAL_SIZE _IOW(PMEM_IOCTL_MAGIC, 7, unsigned int)
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#define PMEM_CACHE_FLUSH _IOW(PMEM_IOCTL_MAGIC, 8, unsigned int)
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struct android_pmem_platform_data
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{
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const char* name;
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/* starting physical address of memory region */
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unsigned long start;
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/* size of memory region */
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unsigned long size;
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/* set to indicate the region should not be managed with an allocator */
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unsigned no_allocator;
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/* set to indicate maps of this region should be cached, if a mix of
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* cached and uncached is desired, set this and open the device with
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* O_SYNC to get an uncached region */
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unsigned cached;
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/* The MSM7k has bits to enable a write buffer in the bus controller*/
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unsigned buffered;
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};
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struct pmem_region {
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unsigned long offset;
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unsigned long len;
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};
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#ifdef CONFIG_ANDROID_PMEM
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int is_pmem_file(struct file *file);
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int get_pmem_file(int fd, unsigned long *start, unsigned long *vstart,
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unsigned long *end, struct file **filp);
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int get_pmem_user_addr(struct file *file, unsigned long *start,
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unsigned long *end);
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void put_pmem_file(struct file* file);
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void flush_pmem_file(struct file *file, unsigned long start, unsigned long len);
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int pmem_setup(struct android_pmem_platform_data *pdata,
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long (*ioctl)(struct file *, unsigned int, unsigned long),
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int (*release)(struct inode *, struct file *));
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int pmem_remap(struct pmem_region *region, struct file *file,
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unsigned operation);
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#else
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static inline int is_pmem_file(struct file *file) { return 0; }
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static inline int get_pmem_file(int fd, unsigned long *start,
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unsigned long *vstart, unsigned long *end,
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struct file **filp) { return -ENOSYS; }
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static inline int get_pmem_user_addr(struct file *file, unsigned long *start,
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unsigned long *end) { return -ENOSYS; }
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static inline void put_pmem_file(struct file* file) { return; }
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static inline void flush_pmem_file(struct file *file, unsigned long start,
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unsigned long len) { return; }
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static inline int pmem_setup(struct android_pmem_platform_data *pdata,
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long (*ioctl)(struct file *, unsigned int, unsigned long),
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int (*release)(struct inode *, struct file *)) { return -ENOSYS; }
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static inline int pmem_remap(struct pmem_region *region, struct file *file,
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unsigned operation) { return -ENOSYS; }
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#endif
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#endif //_ANDROID_PPP_H_
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