[PATCH] pcmcia: add pcmcia to IRQ information

Add a devname parameter to the pcmcia_device structure, fills it with
"pcmcia<bus_id>" in pcmcia_device_add, and passes it to request_irq in
pcmcia_request_irq.

Signed-off-by: Brice Goglin <Brice.Goglin@ens-lyon.org>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

3 files changed, 13 insertions, 3 deletions

diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 398146e3823e..080608c7381a 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -354,6 +354,7 @@ static void pcmcia_release_dev(struct device *dev)
         struct pcmcia_device *p_dev = to_pcmcia_dev(dev);
         ds_dbg(1, "releasing dev %p\n", p_dev);
         pcmcia_put_socket(p_dev->socket);
+        kfree(p_dev->devname);
         kfree(p_dev);
 }
 
@@ -504,6 +505,7 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f
 {
         struct pcmcia_device *p_dev;
         unsigned long flags;
+        int bus_id_len;
 
         s = pcmcia_get_socket(s);
         if (!s)
@@ -527,7 +529,12 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f
         p_dev->dev.bus = &pcmcia_bus_type;
         p_dev->dev.parent = s->dev.dev;
         p_dev->dev.release = pcmcia_release_dev;
-        sprintf (p_dev->dev.bus_id, "%d.%d", p_dev->socket->sock, p_dev->device_no);
+        bus_id_len = sprintf (p_dev->dev.bus_id, "%d.%d", p_dev->socket->sock, p_dev->device_no);
+
+        p_dev->devname = kmalloc(6 + bus_id_len + 1, GFP_KERNEL);
+        if (!p_dev->devname)
+                goto err_free;
+        sprintf (p_dev->devname, "pcmcia%s", p_dev->dev.bus_id);
 
         /* compat */
         p_dev->state = CLIENT_UNBOUND;
@@ -552,6 +559,7 @@ struct pcmcia_device * pcmcia_device_add(struct pcmcia_socket *s, unsigned int f
         return p_dev;
 
  err_free:
+        kfree(p_dev->devname);
         kfree(p_dev);
         s->device_count--;
  err_put:
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index deb6d00bc2ff..89022ad5b520 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -820,7 +820,7 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req)
                                           ((req->Attributes & IRQ_TYPE_DYNAMIC_SHARING) ||
                                            (s->functions > 1) ||
                                            (irq == s->pci_irq)) ? SA_SHIRQ : 0,
-                                          p_dev->dev.bus_id,
+                                          p_dev->devname,
                                           (req->Attributes & IRQ_HANDLE_PRESENT) ? req->Instance : data);
                         if (!ret) {
                                 if (!(req->Attributes & IRQ_HANDLE_PRESENT))
@@ -842,7 +842,7 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req)
                                 ((req->Attributes & IRQ_TYPE_DYNAMIC_SHARING) ||
                                  (s->functions > 1) ||
                                  (irq == s->pci_irq)) ? SA_SHIRQ : 0,
-                                p_dev->dev.bus_id, req->Instance))
+                                p_dev->devname, req->Instance))
                         return CS_IN_USE;
         }
 
diff --git a/include/pcmcia/ds.h b/include/pcmcia/ds.h
index b707a603351b..cb8b6e6ce66c 100644
--- a/include/pcmcia/ds.h
+++ b/include/pcmcia/ds.h
@@ -151,6 +151,8 @@ struct pcmcia_device {
            uniquely define a pcmcia_device */
         struct pcmcia_socket    *socket;
 
+        char                    *devname;
+
         u8                      device_no;
 
         /* the hardware "function" device; certain subdevices can