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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.c92
1 files changed, 69 insertions, 23 deletions
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 35603dd4e6c5..3822b4f49c84 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -302,6 +302,12 @@ struct smi_info {
static int force_kipmid[SI_MAX_PARMS];
static int num_force_kipmid;
+#ifdef CONFIG_PCI
+static int pci_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;
@@ -1018,7 +1024,7 @@ static int ipmi_thread(void *data)
else if (smi_result == SI_SM_IDLE)
schedule_timeout_interruptible(100);
else
- schedule_timeout_interruptible(0);
+ schedule_timeout_interruptible(1);
}
return 0;
}
@@ -1798,9 +1804,12 @@ static int hotmod_handler(const char *val, struct kernel_param *kp)
info->irq_setup = std_irq_setup;
info->slave_addr = ipmb;
- if (!add_smi(info))
+ if (!add_smi(info)) {
if (try_smi_init(info))
cleanup_one_si(info);
+ } else {
+ kfree(info);
+ }
} else {
/* remove */
struct smi_info *e, *tmp_e;
@@ -1884,9 +1893,12 @@ static __devinit void hardcode_find_bmc(void)
info->irq_setup = std_irq_setup;
info->slave_addr = slave_addrs[i];
- if (!add_smi(info))
+ if (!add_smi(info)) {
if (try_smi_init(info))
cleanup_one_si(info);
+ } else {
+ kfree(info);
+ }
}
}
@@ -1959,8 +1971,8 @@ static int acpi_gpe_irq_setup(struct smi_info *info)
/*
* Defined at
- * http://h21007.www2.hp.com/dspp/files/unprotected/devresource/
- * Docs/TechPapers/IA64/hpspmi.pdf
+ * http://h21007.www2.hp.com/portal/download/files
+ * /unprot/hpspmi.pdf
*/
struct SPMITable {
s8 Signature[4];
@@ -2007,18 +2019,12 @@ struct SPMITable {
static __devinit int try_init_spmi(struct SPMITable *spmi)
{
struct smi_info *info;
- u8 addr_space;
if (spmi->IPMIlegacy != 1) {
printk(KERN_INFO PFX "Bad SPMI legacy %d\n", spmi->IPMIlegacy);
return -ENODEV;
}
- if (spmi->addr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
- addr_space = IPMI_MEM_ADDR_SPACE;
- else
- addr_space = IPMI_IO_ADDR_SPACE;
-
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (!info) {
printk(KERN_ERR PFX "Could not allocate SI data (3)\n");
@@ -2082,7 +2088,13 @@ static __devinit int try_init_spmi(struct SPMITable *spmi)
}
info->io.addr_data = spmi->addr.address;
- add_smi(info);
+ pr_info("ipmi_si: SPMI: %s %#lx regsize %d spacing %d irq %d\n",
+ (info->io.addr_type == IPMI_IO_ADDR_SPACE) ? "io" : "mem",
+ info->io.addr_data, info->io.regsize, info->io.regspacing,
+ info->irq);
+
+ if (add_smi(info))
+ kfree(info);
return 0;
}
@@ -2170,6 +2182,14 @@ static int __devinit ipmi_pnp_probe(struct pnp_dev *dev,
info->io.addr_data = res->start;
info->io.regspacing = DEFAULT_REGSPACING;
+ res = pnp_get_resource(dev,
+ (info->io.addr_type == IPMI_IO_ADDR_SPACE) ?
+ IORESOURCE_IO : IORESOURCE_MEM,
+ 1);
+ if (res) {
+ if (res->start > info->io.addr_data)
+ info->io.regspacing = res->start - info->io.addr_data;
+ }
info->io.regsize = DEFAULT_REGSPACING;
info->io.regshift = 0;
@@ -2190,7 +2210,10 @@ static int __devinit ipmi_pnp_probe(struct pnp_dev *dev,
res, info->io.regsize, info->io.regspacing,
info->irq);
- return add_smi(info);
+ if (add_smi(info))
+ goto err_free;
+
+ return 0;
err_free:
kfree(info);
@@ -2348,7 +2371,13 @@ static __devinit void try_init_dmi(struct dmi_ipmi_data *ipmi_data)
if (info->irq)
info->irq_setup = std_irq_setup;
- add_smi(info);
+ pr_info("ipmi_si: SMBIOS: %s %#lx regsize %d spacing %d irq %d\n",
+ (info->io.addr_type == IPMI_IO_ADDR_SPACE) ? "io" : "mem",
+ info->io.addr_data, info->io.regsize, info->io.regspacing,
+ info->irq);
+
+ if (add_smi(info))
+ kfree(info);
}
static void __devinit dmi_find_bmc(void)
@@ -2454,7 +2483,10 @@ static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
&pdev->resource[0], info->io.regsize, info->io.regspacing,
info->irq);
- return add_smi(info);
+ if (add_smi(info))
+ kfree(info);
+
+ return 0;
}
static void __devexit ipmi_pci_remove(struct pci_dev *pdev)
@@ -2496,7 +2528,7 @@ static struct pci_driver ipmi_pci_driver = {
#ifdef CONFIG_PPC_OF
-static int __devinit ipmi_of_probe(struct of_device *dev,
+static int __devinit ipmi_of_probe(struct platform_device *dev,
const struct of_device_id *match)
{
struct smi_info *info;
@@ -2567,10 +2599,15 @@ static int __devinit ipmi_of_probe(struct of_device *dev,
dev_set_drvdata(&dev->dev, info);
- return add_smi(info);
+ if (add_smi(info)) {
+ kfree(info);
+ return -EBUSY;
+ }
+
+ return 0;
}
-static int __devexit ipmi_of_remove(struct of_device *dev)
+static int __devexit ipmi_of_remove(struct platform_device *dev)
{
cleanup_one_si(dev_get_drvdata(&dev->dev));
return 0;
@@ -3000,6 +3037,8 @@ static __devinit void default_find_bmc(void)
info->io.addr_data);
} else
cleanup_one_si(info);
+ } else {
+ kfree(info);
}
}
}
@@ -3027,7 +3066,7 @@ static int add_smi(struct smi_info *new_smi)
si_to_str[new_smi->si_type]);
mutex_lock(&smi_infos_lock);
if (!is_new_interface(new_smi)) {
- printk(KERN_CONT PFX "duplicate interface\n");
+ printk(KERN_CONT " duplicate interface\n");
rv = -EBUSY;
goto out_err;
}
@@ -3314,6 +3353,8 @@ static __devinit int init_ipmi_si(void)
rv = pci_register_driver(&ipmi_pci_driver);
if (rv)
printk(KERN_ERR PFX "Unable to register PCI driver: %d\n", rv);
+ else
+ pci_registered = 1;
#endif
#ifdef CONFIG_ACPI
@@ -3330,6 +3371,7 @@ static __devinit int init_ipmi_si(void)
#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
@@ -3383,11 +3425,13 @@ static __devinit int init_ipmi_si(void)
if (unload_when_empty && list_empty(&smi_infos)) {
mutex_unlock(&smi_infos_lock);
#ifdef CONFIG_PCI
- pci_unregister_driver(&ipmi_pci_driver);
+ if (pci_registered)
+ pci_unregister_driver(&ipmi_pci_driver);
#endif
#ifdef CONFIG_PPC_OF
- of_unregister_platform_driver(&ipmi_of_platform_driver);
+ if (of_registered)
+ of_unregister_platform_driver(&ipmi_of_platform_driver);
#endif
driver_unregister(&ipmi_driver.driver);
printk(KERN_WARNING PFX
@@ -3478,14 +3522,16 @@ static __exit void cleanup_ipmi_si(void)
return;
#ifdef CONFIG_PCI
- pci_unregister_driver(&ipmi_pci_driver);
+ if (pci_registered)
+ pci_unregister_driver(&ipmi_pci_driver);
#endif
#ifdef CONFIG_ACPI
pnp_unregister_driver(&ipmi_pnp_driver);
#endif
#ifdef CONFIG_PPC_OF
- of_unregister_platform_driver(&ipmi_of_platform_driver);
+ if (of_registered)
+ of_unregister_platform_driver(&ipmi_of_platform_driver);
#endif
mutex_lock(&smi_infos_lock);
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-23 19:29:07 +0300