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Message-Id: <200704261156.13487.osstklei@de.ibm.com>
Date: Thu, 26 Apr 2007 11:56:13 +0200
From: Thomas Klein <osstklei@...ibm.com>
To: Jeff Garzik <jeff@...zik.org>
Cc: Christoph Raisch <raisch@...ibm.com>,
"Jan-Bernd Themann" <ossthema@...ibm.com>,
"Jan-Bernd Themann" <themann@...ibm.com>,
"linux-kernel" <linux-kernel@...r.kernel.org>,
"linux-ppc" <linuxppc-dev@...abs.org>,
Marcus Eder <meder@...ibm.com>,
netdev <netdev@...r.kernel.org>,
Thomas Klein <tklein@...ibm.com>,
Stefan Roscher <ossrosch@...ux.vnet.ibm.com>
Subject: [PATCH 1/2] ehea: fix for sysfs entries
Create symbolic link from each logical port to ehea driver
Signed-off-by: Thomas Klein <tklein@...ibm.com>
---
This patch applies on top of the netdev upstream branch for 2.6.22
diff -Nurp -X dontdiff linux-2.6.21/drivers/net/ehea/ehea.h patched_kernel/drivers/net/ehea/ehea.h
--- linux-2.6.21/drivers/net/ehea/ehea.h 2007-04-26 10:07:59.000000000 +0200
+++ patched_kernel/drivers/net/ehea/ehea.h 2007-04-26 11:15:25.000000000 +0200
@@ -39,7 +39,7 @@
#include <asm/io.h>
#define DRV_NAME "ehea"
-#define DRV_VERSION "EHEA_0055"
+#define DRV_VERSION "EHEA_0057"
#define EHEA_MSG_DEFAULT (NETIF_MSG_LINK | NETIF_MSG_TIMER \
| NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR)
diff -Nurp -X dontdiff linux-2.6.21/drivers/net/ehea/ehea_main.c patched_kernel/drivers/net/ehea/ehea_main.c
--- linux-2.6.21/drivers/net/ehea/ehea_main.c 2007-04-26 10:07:59.000000000 +0200
+++ patched_kernel/drivers/net/ehea/ehea_main.c 2007-04-26 11:15:25.000000000 +0200
@@ -78,6 +78,28 @@ MODULE_PARM_DESC(sq_entries, " Number of
__MODULE_STRING(EHEA_DEF_ENTRIES_SQ) ")");
MODULE_PARM_DESC(use_mcs, " 0:NAPI, 1:Multiple receive queues, Default = 1 ");
+static int port_name_cnt = 0;
+
+static int __devinit ehea_probe_adapter(struct ibmebus_dev *dev,
+ const struct of_device_id *id);
+
+static int __devexit ehea_remove(struct ibmebus_dev *dev);
+
+static struct of_device_id ehea_device_table[] = {
+ {
+ .name = "lhea",
+ .compatible = "IBM,lhea",
+ },
+ {},
+};
+
+static struct ibmebus_driver ehea_driver = {
+ .name = "ehea",
+ .id_table = ehea_device_table,
+ .probe = ehea_probe_adapter,
+ .remove = ehea_remove,
+};
+
void ehea_dump(void *adr, int len, char *msg) {
int x;
unsigned char *deb = adr;
@@ -2361,6 +2383,34 @@ static void __devinit logical_port_relea
of_node_put(port->ofdev.node);
}
+static int ehea_driver_sysfs_add(struct device *dev,
+ struct device_driver *driver)
+{
+ int ret;
+
+ ret = sysfs_create_link(&driver->kobj, &dev->kobj,
+ kobject_name(&dev->kobj));
+ if (ret == 0) {
+ ret = sysfs_create_link(&dev->kobj, &driver->kobj,
+ "driver");
+ if (ret)
+ sysfs_remove_link(&driver->kobj,
+ kobject_name(&dev->kobj));
+ }
+ return ret;
+}
+
+static void ehea_driver_sysfs_remove(struct device *dev,
+ struct device_driver *driver)
+{
+ struct device_driver *drv = driver;
+
+ if (drv) {
+ sysfs_remove_link(&drv->kobj, kobject_name(&dev->kobj));
+ sysfs_remove_link(&dev->kobj, "driver");
+ }
+}
+
static struct device *ehea_register_port(struct ehea_port *port,
struct device_node *dn)
{
@@ -2368,8 +2418,9 @@ static struct device *ehea_register_port
port->ofdev.node = of_node_get(dn);
port->ofdev.dev.parent = &port->adapter->ebus_dev->ofdev.dev;
+ port->ofdev.dev.bus = &ibmebus_bus_type;
- sprintf(port->ofdev.dev.bus_id, "port%d", port->logical_port_id);
+ sprintf(port->ofdev.dev.bus_id, "port%d", port_name_cnt++);
port->ofdev.dev.release = logical_port_release;
ret = of_device_register(&port->ofdev);
@@ -2384,8 +2435,16 @@ static struct device *ehea_register_port
goto out_unreg_of_dev;
}
+ ret = ehea_driver_sysfs_add(&port->ofdev.dev, &ehea_driver.driver);
+ if (ret) {
+ ehea_error("failed to register sysfs driver link");
+ goto out_rem_dev_file;
+ }
+
return &port->ofdev.dev;
+out_rem_dev_file:
+ device_remove_file(&port->ofdev.dev, &dev_attr_log_port_id);
out_unreg_of_dev:
of_device_unregister(&port->ofdev);
out:
@@ -2394,6 +2453,7 @@ out:
static void ehea_unregister_port(struct ehea_port *port)
{
+ ehea_driver_sysfs_remove(&port->ofdev.dev, &ehea_driver.driver);
device_remove_file(&port->ofdev.dev, &dev_attr_log_port_id);
of_device_unregister(&port->ofdev);
}
@@ -2838,21 +2898,6 @@ static int check_module_parm(void)
return ret;
}
-static struct of_device_id ehea_device_table[] = {
- {
- .name = "lhea",
- .compatible = "IBM,lhea",
- },
- {},
-};
-
-static struct ibmebus_driver ehea_driver = {
- .name = "ehea",
- .id_table = ehea_device_table,
- .probe = ehea_probe_adapter,
- .remove = ehea_remove,
-};
-
int __init ehea_module_init(void)
{
int ret;
-
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