[PCMCIA] 14-access_configuration.diff

Add a wrapper around pcmcia_access_configuration_register, and use
pccard_access_configuration_register in ds.c

drivers/pcmcia/cs.c

@@ -846,23 +846,18 @@ static void release_io_space(struct pcmcia_socket *s, ioaddr_t base,
     
 ======================================================================*/
 
-int pcmcia_access_configuration_register(client_handle_t handle,
+int pccard_access_configuration_register(struct pcmcia_socket *s,
+					 unsigned int function,
 					 conf_reg_t *reg)
 {
-    struct pcmcia_socket *s;
     config_t *c;
     int addr;
     u_char val;
 
-    if (CHECK_HANDLE(handle))
-	return CS_BAD_HANDLE;
-    s = SOCKET(handle);
-    if (handle->Function == BIND_FN_ALL) {
-	if (reg->Function >= s->functions)
-	    return CS_BAD_ARGS;
-	c = &s->config[reg->Function];
-    } else
-	c = CONFIG(handle);
+    if (!s || !s->config)
+	return CS_NO_CARD;    
+
+    c = &s->config[function];
 
     if (c == NULL)
 	return CS_NO_CARD;
@@ -887,7 +882,7 @@ int pcmcia_access_configuration_register(client_handle_t handle,
     }
     return CS_SUCCESS;
 } /* access_configuration_register */
-
+EXPORT_SYMBOL(pccard_access_configuration_register);
 
 /*====================================================================*/
 
@@ -2056,7 +2051,6 @@ EXPORT_SYMBOL(pcmcia_set_event_mask);
     
 ======================================================================*/
 /* in alpha order */
-EXPORT_SYMBOL(pcmcia_access_configuration_register);
 EXPORT_SYMBOL(pcmcia_deregister_client);
 EXPORT_SYMBOL(pcmcia_eject_card);
 EXPORT_SYMBOL(pcmcia_get_card_services_info);

drivers/pcmcia/cs_internal.h

@@ -175,6 +175,7 @@ int pcmcia_get_window(struct pcmcia_socket *s, window_handle_t *handle, int idx,
 int pccard_get_configuration_info(struct pcmcia_socket *s, unsigned int function, config_info_t *config);
 int pccard_reset_card(struct pcmcia_socket *skt);
 int pccard_get_status(struct pcmcia_socket *s, unsigned int function, cs_status_t *status);
+int pccard_access_configuration_register(struct pcmcia_socket *s, unsigned int function, conf_reg_t *reg);
 
 #define cs_socket_name(skt)	((skt)->dev.class_id)
 

drivers/pcmcia/ds.c

@@ -991,7 +991,11 @@ static int ds_ioctl(struct inode * inode, struct file * file,
     case DS_ACCESS_CONFIGURATION_REGISTER:
 	if ((buf.conf_reg.Action == CS_WRITE) && !capable(CAP_SYS_ADMIN))
 	    return -EPERM;
-	ret = pcmcia_access_configuration_register(s->handle, &buf.conf_reg);
+	if (buf.conf_reg.Function && 
+	   (buf.conf_reg.Function >= s->parent->functions))
+	    ret = CS_BAD_ARGS;
+	else
+	    ret = pccard_access_configuration_register(s->parent, buf.conf_reg.Function, &buf.conf_reg);
 	break;
     case DS_GET_FIRST_REGION:
         ret = pcmcia_get_first_region(s->handle, &buf.region);

drivers/pcmcia/pcmcia_compat.c

@@ -112,6 +112,17 @@ int pcmcia_get_status(client_handle_t handle, cs_status_t *status)
 }
 EXPORT_SYMBOL(pcmcia_get_status);
 
+int pcmcia_access_configuration_register(client_handle_t handle,
+					 conf_reg_t *reg)
+{
+	struct pcmcia_socket *s;
+	if (CHECK_HANDLE(handle))
+		return CS_BAD_HANDLE;
+	s = SOCKET(handle);
+	return pccard_access_configuration_register(s, handle->Function, reg);
+}
+EXPORT_SYMBOL(pcmcia_access_configuration_register);
+
 #ifdef CONFIG_PCMCIA_OBSOLETE
 
 int pcmcia_get_first_window(window_handle_t *win, win_req_t *req)