[PATCH] pcmcia: add pcmcia_disable_device

[firefly-linux-kernel-4.4.55.git] / drivers / char / pcmcia / cm4000_cs.c

diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index 649677b5dc36ad93a6badd5ee24f20301fb1b5b3..3ddd3da9e72001820ee4a9013950b51745235922 100644 (file)
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -13,11 +13,12 @@
   *
   * (C) 2000,2001,2002,2003,2004 Omnikey AG
   *
-  * (C) 2005 Harald Welte <laforge@gnumonks.org>
+  * (C) 2005-2006 Harald Welte <laforge@gnumonks.org>
   *    - Adhere to Kernel CodingStyle
   *    - Port to 2.6.13 "new" style PCMCIA
   *    - Check for copy_{from,to}_user return values
   *    - Use nonseekable_open()
+  *    - add class interface for udev device creation
   *
   * All rights reserved. Licensed under dual BSD/GPL license.
   */
@@ -56,7 +57,7 @@ module_param(pc_debug, int, 0600);
 #else
 #define DEBUGP(n, rdr, x, args...)
 #endif
-static char *version = "cm4000_cs.c v2.4.0gm5 - All bugs added by Harald Welte";
+static char *version = "cm4000_cs.c v2.4.0gm6 - All bugs added by Harald Welte";
 
 #define        T_1SEC          (HZ)
 #define        T_10MSEC        msecs_to_jiffies(10)
@@ -156,6 +157,7 @@ struct cm4000_dev {
                /*queue*/ 4*sizeof(wait_queue_head_t))
 
 static dev_link_t *dev_table[CM4000_MAX_DEV];
+static struct class *cmm_class;
 
 /* This table doesn't use spaces after the comma between fields and thus
  * violates CodingStyle.  However, I don't really think wrapping it around will
@@ -1897,8 +1899,7 @@ static int cm4000_resume(struct pcmcia_device *p_dev)
 static void cm4000_release(dev_link_t *link)
 {
        cmm_cm4000_release(link->priv); /* delay release until device closed */
-       pcmcia_release_configuration(link->handle);
-       pcmcia_release_io(link->handle, &link->io);
+       pcmcia_disable_device(link->handle);
 }
 
 static int cm4000_attach(struct pcmcia_device *p_dev)
@@ -1937,6 +1938,9 @@ static int cm4000_attach(struct pcmcia_device *p_dev)
        link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
        cm4000_config(link, i);
 
+       class_device_create(cmm_class, NULL, MKDEV(major, i), NULL,
+                           "cmm%d", i);
+
        return 0;
 }
 
@@ -1962,6 +1966,8 @@ static void cm4000_detach(struct pcmcia_device *p_dev)
        dev_table[devno] = NULL;
        kfree(dev);
 
+       class_device_destroy(cmm_class, MKDEV(major, devno));
+
        return;
 }
 
@@ -1995,8 +2001,18 @@ static struct pcmcia_driver cm4000_driver = {
 
 static int __init cmm_init(void)
 {
+       int rc;
+
        printk(KERN_INFO "%s\n", version);
-       pcmcia_register_driver(&cm4000_driver);
+
+       cmm_class = class_create(THIS_MODULE, "cardman_4000");
+       if (!cmm_class)
+               return -1;
+
+       rc = pcmcia_register_driver(&cm4000_driver);
+       if (rc < 0)
+               return rc;
+
        major = register_chrdev(0, DEVICE_NAME, &cm4000_fops);
        if (major < 0) {
                printk(KERN_WARNING MODULE_NAME
@@ -2012,6 +2028,7 @@ static void __exit cmm_exit(void)
        printk(KERN_INFO MODULE_NAME ": unloading\n");
        pcmcia_unregister_driver(&cm4000_driver);
        unregister_chrdev(major, DEVICE_NAME);
+       class_destroy(cmm_class);
 };
 
 module_init(cmm_init);