[PATCH 2.5] pcmcia: fill device directory in sysfs with files

From: Dominik Brodowski (linux@brodo.de)
Date: Sat Mar 29 2003 - 12:43:28 EST


This patch adds three files (manf_id, card_id, func_id) for any pcmcia
device registered with the sysfs core.

sysfs_output-1
 ds.c | 24 ++++++++++++++++++++++++
 1 files changed, 24 insertions(+)

diff -ruN linux-original/drivers/pcmcia/ds.c linux/drivers/pcmcia/ds.c
--- linux-original/drivers/pcmcia/ds.c 2003-03-29 18:00:43.000000000 +0100
+++ linux/drivers/pcmcia/ds.c 2003-03-29 18:34:10.000000000 +0100
@@ -267,6 +267,20 @@
 
 /*====================================================================*/
 
+#define show_one(file_name, object, test) \
+static ssize_t show_##file_name \
+(struct device *dev, char *buf) \
+{ \
+ struct pcmcia_device *p_dev = to_pcmcia_dev(dev); \
+ return p_dev->test ? sprintf (buf, "%x\n", p_dev->object) : \
+ sprintf(buf, "unknown\n"); \
+} \
+DEVICE_ATTR(file_name, 0444, show_##file_name, NULL);
+
+show_one(func_id, funcid.func, has_funcid);
+show_one(manf_id, manfid.manf, has_manfid);
+show_one(card_id, manfid.card, has_manfid);
+
 static int pcmcia_add_card(struct pcmcia_bus_socket *s)
 {
         struct pcmcia_device *p_dev;
@@ -368,6 +382,11 @@
         }
         list_add(&p_dev->socket_device_list, &s->devices_list);
 
+ /* add sysfs files */
+ device_create_file(&p_dev->dev, &dev_attr_func_id);
+ device_create_file(&p_dev->dev, &dev_attr_manf_id);
+ device_create_file(&p_dev->dev, &dev_attr_card_id);
+
         /* if we got a multifunction device, we need to register more devices,
          * so go back up */
         func++;
@@ -387,6 +406,11 @@
         down(&s->devices_list_sem);
         list_for_each_safe(p1, p2, &s->devices_list) {
                 struct pcmcia_device *p_dev = container_of(p1, struct pcmcia_device, socket_device_list);
+
+ device_remove_file(&p_dev->dev, &dev_attr_func_id);
+ device_remove_file(&p_dev->dev, &dev_attr_manf_id);
+ device_remove_file(&p_dev->dev, &dev_attr_card_id);
+
                 device_unregister(&p_dev->dev);
                 list_del(&p_dev->socket_device_list);
                 kfree(p_dev);
-
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This archive was generated by hypermail 2b29 : Mon Mar 31 2003 - 22:00:34 EST