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Date: Fri, 1 Dec 2006 22:25:46 -0600
From: Corey Minyard <minyard@....org>
To: Andrew Morton <akpm@...l.org>,
Linux Kernel <linux-kernel@...r.kernel.org>
Cc: OpenIPMI Developers <openipmi-developer@...ts.sourceforge.net>
Subject: [PATCH 3/12] IPMI: pass sysfs name from lower level driver
This patch passes in the sysfs name from the lower-level IPMI driver,
as the coming IPMI serial driver will need that to link properly from
the serial device sysfs directory.
Signed-off-by: Corey Minyard <minyard@....org>
Index: linux-2.6.19-rc6/drivers/char/ipmi/ipmi_msghandler.c
===================================================================
--- linux-2.6.19-rc6.orig/drivers/char/ipmi/ipmi_msghandler.c
+++ linux-2.6.19-rc6/drivers/char/ipmi/ipmi_msghandler.c
@@ -205,6 +205,7 @@ struct ipmi_smi
struct bmc_device *bmc;
char *my_dev_name;
+ char *sysfs_name;
/* This is the lower-layer's sender routine. */
struct ipmi_smi_handlers *handlers;
@@ -2004,7 +2005,11 @@ static void ipmi_bmc_unregister(ipmi_smi
{
struct bmc_device *bmc = intf->bmc;
- sysfs_remove_link(&intf->si_dev->kobj, "bmc");
+ if (intf->sysfs_name) {
+ sysfs_remove_link(&intf->si_dev->kobj, intf->sysfs_name);
+ kfree(intf->sysfs_name);
+ intf->sysfs_name = NULL;
+ }
if (intf->my_dev_name) {
sysfs_remove_link(&bmc->dev->dev.kobj, intf->my_dev_name);
kfree(intf->my_dev_name);
@@ -2140,7 +2145,8 @@ out:
return err;
}
-static int ipmi_bmc_register(ipmi_smi_t intf)
+static int ipmi_bmc_register(ipmi_smi_t intf, int ifnum,
+ const char *sysfs_name)
{
int rv;
struct bmc_device *bmc = intf->bmc;
@@ -2257,29 +2263,44 @@ static int ipmi_bmc_register(ipmi_smi_t
* create symlink from system interface device to bmc device
* and back.
*/
+ intf->sysfs_name = kstrdup(sysfs_name, GFP_KERNEL);
+ if (!intf->sysfs_name) {
+ rv = -ENOMEM;
+ printk(KERN_ERR
+ "ipmi_msghandler: allocate link to BMC: %d\n",
+ rv);
+ goto out_err;
+ }
+
rv = sysfs_create_link(&intf->si_dev->kobj,
- &bmc->dev->dev.kobj, "bmc");
+ &bmc->dev->dev.kobj, intf->sysfs_name);
if (rv) {
+ kfree(intf->sysfs_name);
+ intf->sysfs_name = NULL;
printk(KERN_ERR
"ipmi_msghandler: Unable to create bmc symlink: %d\n",
rv);
goto out_err;
}
- size = snprintf(dummy, 0, "ipmi%d", intf->intf_num);
+ size = snprintf(dummy, 0, "ipmi%d", ifnum);
intf->my_dev_name = kmalloc(size+1, GFP_KERNEL);
if (!intf->my_dev_name) {
+ kfree(intf->sysfs_name);
+ intf->sysfs_name = NULL;
rv = -ENOMEM;
printk(KERN_ERR
"ipmi_msghandler: allocate link from BMC: %d\n",
rv);
goto out_err;
}
- snprintf(intf->my_dev_name, size+1, "ipmi%d", intf->intf_num);
+ snprintf(intf->my_dev_name, size+1, "ipmi%d", ifnum);
rv = sysfs_create_link(&bmc->dev->dev.kobj, &intf->si_dev->kobj,
intf->my_dev_name);
if (rv) {
+ kfree(intf->sysfs_name);
+ intf->sysfs_name = NULL;
kfree(intf->my_dev_name);
intf->my_dev_name = NULL;
printk(KERN_ERR
@@ -2464,6 +2485,7 @@ int ipmi_register_smi(struct ipmi_smi_ha
void *send_info,
struct ipmi_device_id *device_id,
struct device *si_dev,
+ const char *sysfs_name,
unsigned char slave_addr)
{
int i, j;
@@ -2579,7 +2601,7 @@ int ipmi_register_smi(struct ipmi_smi_ha
if (rv == 0)
rv = add_proc_entries(intf, i);
- rv = ipmi_bmc_register(intf);
+ rv = ipmi_bmc_register(intf, i, sysfs_name);
out:
if (rv) {
Index: linux-2.6.19-rc6/drivers/char/ipmi/ipmi_si_intf.c
===================================================================
--- linux-2.6.19-rc6.orig/drivers/char/ipmi/ipmi_si_intf.c
+++ linux-2.6.19-rc6/drivers/char/ipmi/ipmi_si_intf.c
@@ -2362,6 +2362,7 @@ static int try_smi_init(struct smi_info
new_smi,
&new_smi->device_id,
new_smi->dev,
+ "bmc",
new_smi->slave_addr);
if (rv) {
printk(KERN_ERR
Index: linux-2.6.19-rc6/include/linux/ipmi_smi.h
===================================================================
--- linux-2.6.19-rc6.orig/include/linux/ipmi_smi.h
+++ linux-2.6.19-rc6/include/linux/ipmi_smi.h
@@ -173,6 +173,7 @@ int ipmi_register_smi(struct ipmi_smi_ha
void *send_info,
struct ipmi_device_id *device_id,
struct device *dev,
+ const char *sysfs_name,
unsigned char slave_addr);
/*
-
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