compat/main.c

   1 #include <linux/module.h>
   2 #include "compat-2.6.34.h"
   3
   4 MODULE_AUTHOR("Luis R. Rodriguez");
   5 MODULE_DESCRIPTION("Kernel backport module");
   6 MODULE_LICENSE("GPL");
   7
   8 #ifndef COMPAT_BASE
   9 #error "You need a COMPAT_BASE"
  10 #endif
  11
  12 #ifndef COMPAT_BASE_TREE
  13 #error "You need a COMPAT_BASE_TREE"
  14 #endif
  15
  16 #ifndef COMPAT_BASE_TREE_VERSION
  17 #error "You need a COMPAT_BASE_TREE_VERSION"
  18 #endif
  19
  20 #ifndef COMPAT_VERSION
  21 #error "You need a COMPAT_VERSION"
  22 #endif
  23
  24 static char *compat_base = COMPAT_BASE;
  25 static char *compat_base_tree = COMPAT_BASE_TREE;
  26 static char *compat_base_tree_version = COMPAT_BASE_TREE_VERSION;
  27 static char *compat_version = COMPAT_VERSION;
  28
  29 module_param(compat_base, charp, 0400);
  30 MODULE_PARM_DESC(compat_base_tree,
  31                  "The upstream verion of compat.git used");
  32
  33 module_param(compat_base_tree, charp, 0400);
  34 MODULE_PARM_DESC(compat_base_tree,
  35                  "The upstream tree used as base for this backport");
  36
  37 module_param(compat_base_tree_version, charp, 0400);
  38 MODULE_PARM_DESC(compat_base_tree_version,
  39                  "The git-describe of the upstream base tree");
  40
  41 module_param(compat_version, charp, 0400);
  42 MODULE_PARM_DESC(compat_version,
  43                  "Version of the kernel compat backport work");
  44
  45 void backport_dependency_symbol(void)
  46 {
  47 }
  48 EXPORT_SYMBOL_GPL(backport_dependency_symbol);
  49
  50
  51 static int __init backport_init(void)
  52 {
  53         int err;
  54
  55         backport_pm_qos_power_init();
  56         err = backport_system_workqueue_create();
  57         if (err) {
  58                 pr_warn("backport_system_workqueue_create() failed\n");
  59                 return err;
  60         }
  61         backport_init_mmc_pm_flags();
  62
  63         printk(KERN_INFO
  64                COMPAT_PROJECT " backport release: "
  65                COMPAT_VERSION
  66                "\n");
  67         printk(KERN_INFO "Backport based on "
  68                COMPAT_BASE_TREE " " COMPAT_BASE_TREE_VERSION
  69                "\n");
  70         printk(KERN_INFO "compat.git: "
  71                COMPAT_BASE_TREE "\n");
  72
  73         return 0;
  74 }
  75 module_init(backport_init);
  76
  77 static void __exit backport_exit(void)
  78 {
  79         backport_pm_qos_power_deinit();
  80         backport_system_workqueue_destroy();
  81
  82         return;
  83 }
  84 module_exit(backport_exit);
  85