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path: root/drivers/char/ipmi/ipmi_si_intf.c
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Diffstat (limited to 'drivers/char/ipmi/ipmi_si_intf.c')
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c90
1 files changed, 33 insertions, 57 deletions
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index b6ae6e9a9c5..c86d43b88e1 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -66,13 +66,10 @@
#include <linux/string.h>
#include <linux/ctype.h>
#include <linux/pnp.h>
-
-#ifdef CONFIG_PPC_OF
#include <linux/of_device.h>
#include <linux/of_platform.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
-#endif
#define PFX "ipmi_si: "
@@ -116,13 +113,7 @@ static char *ipmi_addr_src_to_str[] = { NULL, "hotmod", "hardcoded", "SPMI",
#define DEVICE_NAME "ipmi_si"
-static struct platform_driver ipmi_driver = {
- .driver = {
- .name = DEVICE_NAME,
- .bus = &platform_bus_type
- }
-};
-
+static struct platform_driver ipmi_driver;
/*
* Indexes into stats[] in smi_info below.
@@ -308,9 +299,6 @@ static int pci_registered;
#ifdef CONFIG_ACPI
static int pnp_registered;
#endif
-#ifdef CONFIG_PPC_OF
-static int of_registered;
-#endif
static unsigned int kipmid_max_busy_us[SI_MAX_PARMS];
static int num_max_busy_us;
@@ -320,6 +308,7 @@ static int unload_when_empty = 1;
static int add_smi(struct smi_info *smi);
static int try_smi_init(struct smi_info *smi);
static void cleanup_one_si(struct smi_info *to_clean);
+static void cleanup_ipmi_si(void);
static ATOMIC_NOTIFIER_HEAD(xaction_notifier_list);
static int register_xaction_notifier(struct notifier_block *nb)
@@ -899,6 +888,14 @@ static void sender(void *send_info,
printk("**Enqueue: %d.%9.9d\n", t.tv_sec, t.tv_usec);
#endif
+ /*
+ * last_timeout_jiffies is updated here to avoid
+ * smi_timeout() handler passing very large time_diff
+ * value to smi_event_handler() that causes
+ * the send command to abort.
+ */
+ smi_info->last_timeout_jiffies = jiffies;
+
mod_timer(&smi_info->si_timer, jiffies + SI_TIMEOUT_JIFFIES);
if (smi_info->thread)
@@ -1859,8 +1856,9 @@ static int hotmod_handler(const char *val, struct kernel_param *kp)
return rv;
}
-static void __devinit hardcode_find_bmc(void)
+static int __devinit hardcode_find_bmc(void)
{
+ int ret = -ENODEV;
int i;
struct smi_info *info;
@@ -1870,7 +1868,7 @@ static void __devinit hardcode_find_bmc(void)
info = smi_info_alloc();
if (!info)
- return;
+ return -ENOMEM;
info->addr_source = SI_HARDCODED;
printk(KERN_INFO PFX "probing via hardcoded address\n");
@@ -1923,10 +1921,12 @@ static void __devinit hardcode_find_bmc(void)
if (!add_smi(info)) {
if (try_smi_init(info))
cleanup_one_si(info);
+ ret = 0;
} else {
kfree(info);
}
}
+ return ret;
}
#ifdef CONFIG_ACPI
@@ -2554,11 +2554,9 @@ static struct pci_driver ipmi_pci_driver = {
};
#endif /* CONFIG_PCI */
-
-#ifdef CONFIG_PPC_OF
-static int __devinit ipmi_of_probe(struct platform_device *dev,
- const struct of_device_id *match)
+static int __devinit ipmi_probe(struct platform_device *dev)
{
+#ifdef CONFIG_OF
struct smi_info *info;
struct resource resource;
const __be32 *regsize, *regspacing, *regshift;
@@ -2568,6 +2566,9 @@ static int __devinit ipmi_of_probe(struct platform_device *dev,
dev_info(&dev->dev, "probing via device tree\n");
+ if (!dev->dev.of_match)
+ return -EINVAL;
+
ret = of_address_to_resource(np, 0, &resource);
if (ret) {
dev_warn(&dev->dev, PFX "invalid address from OF\n");
@@ -2600,7 +2601,7 @@ static int __devinit ipmi_of_probe(struct platform_device *dev,
return -ENOMEM;
}
- info->si_type = (enum si_type) match->data;
+ info->si_type = (enum si_type) dev->dev.of_match->data;
info->addr_source = SI_DEVICETREE;
info->irq_setup = std_irq_setup;
@@ -2631,13 +2632,15 @@ static int __devinit ipmi_of_probe(struct platform_device *dev,
kfree(info);
return -EBUSY;
}
-
+#endif
return 0;
}
-static int __devexit ipmi_of_remove(struct platform_device *dev)
+static int __devexit ipmi_remove(struct platform_device *dev)
{
+#ifdef CONFIG_OF
cleanup_one_si(dev_get_drvdata(&dev->dev));
+#endif
return 0;
}
@@ -2652,16 +2655,15 @@ static struct of_device_id ipmi_match[] =
{},
};
-static struct of_platform_driver ipmi_of_platform_driver = {
+static struct platform_driver ipmi_driver = {
.driver = {
- .name = "ipmi",
+ .name = DEVICE_NAME,
.owner = THIS_MODULE,
.of_match_table = ipmi_match,
},
- .probe = ipmi_of_probe,
- .remove = __devexit_p(ipmi_of_remove),
+ .probe = ipmi_probe,
+ .remove = __devexit_p(ipmi_remove),
};
-#endif /* CONFIG_PPC_OF */
static int wait_for_msg_done(struct smi_info *smi_info)
{
@@ -3339,8 +3341,7 @@ static int __devinit init_ipmi_si(void)
return 0;
initialized = 1;
- /* Register the device drivers. */
- rv = driver_register(&ipmi_driver.driver);
+ rv = platform_driver_register(&ipmi_driver);
if (rv) {
printk(KERN_ERR PFX "Unable to register driver: %d\n", rv);
return rv;
@@ -3364,15 +3365,9 @@ static int __devinit init_ipmi_si(void)
printk(KERN_INFO "IPMI System Interface driver.\n");
- hardcode_find_bmc();
-
/* If the user gave us a device, they presumably want us to use it */
- mutex_lock(&smi_infos_lock);
- if (!list_empty(&smi_infos)) {
- mutex_unlock(&smi_infos_lock);
+ if (!hardcode_find_bmc())
return 0;
- }
- mutex_unlock(&smi_infos_lock);
#ifdef CONFIG_PCI
rv = pci_register_driver(&ipmi_pci_driver);
@@ -3395,11 +3390,6 @@ static int __devinit init_ipmi_si(void)
spmi_find_bmc();
#endif
-#ifdef CONFIG_PPC_OF
- of_register_platform_driver(&ipmi_of_platform_driver);
- of_registered = 1;
-#endif
-
/* We prefer devices with interrupts, but in the case of a machine
with multiple BMCs we assume that there will be several instances
of a given type so if we succeed in registering a type then also
@@ -3450,16 +3440,7 @@ static int __devinit init_ipmi_si(void)
mutex_lock(&smi_infos_lock);
if (unload_when_empty && list_empty(&smi_infos)) {
mutex_unlock(&smi_infos_lock);
-#ifdef CONFIG_PCI
- if (pci_registered)
- pci_unregister_driver(&ipmi_pci_driver);
-#endif
-
-#ifdef CONFIG_PPC_OF
- if (of_registered)
- of_unregister_platform_driver(&ipmi_of_platform_driver);
-#endif
- driver_unregister(&ipmi_driver.driver);
+ cleanup_ipmi_si();
printk(KERN_WARNING PFX
"Unable to find any System Interface(s)\n");
return -ENODEV;
@@ -3556,17 +3537,12 @@ static void __exit cleanup_ipmi_si(void)
pnp_unregister_driver(&ipmi_pnp_driver);
#endif
-#ifdef CONFIG_PPC_OF
- if (of_registered)
- of_unregister_platform_driver(&ipmi_of_platform_driver);
-#endif
+ platform_driver_unregister(&ipmi_driver);
mutex_lock(&smi_infos_lock);
list_for_each_entry_safe(e, tmp_e, &smi_infos, link)
cleanup_one_si(e);
mutex_unlock(&smi_infos_lock);
-
- driver_unregister(&ipmi_driver.driver);
}
module_exit(cleanup_ipmi_si);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-24 04:42:09 +0000