Merge branch 'imx/for-2.6.36' of git://git.pengutronix.de/git/ukl/linux-2.6 into HEAD

There are some more conflicts than detected by git, namely support for
the newly added cpuimx machines needed to be converted to dynamic device
registration.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

Conflicts:
	arch/arm/mach-imx/Makefile
	arch/arm/mach-imx/devices.c
	arch/arm/mach-imx/devices.h
	arch/arm/mach-imx/eukrea_mbimx27-baseboard.c
	arch/arm/mach-mx2/Kconfig
	arch/arm/mach-mx25/Makefile
	arch/arm/mach-mx25/devices.c
	arch/arm/plat-mxc/include/mach/mx25.h
	arch/arm/plat-mxc/include/mach/mxc_nand.h

11 files changed, 514 insertions, 256 deletions

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index e21175be25d..f09fc0e2062 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -1121,5 +1121,12 @@ config DEVPORT
 
 source "drivers/s390/char/Kconfig"
 
+config RAMOOPS
+	tristate "Log panic/oops to a RAM buffer"
+	default n
+	help
+	  This enables panic and oops messages to be logged to a circular
+	  buffer in RAM where it can be read back at some later point.
+
 endmenu
 
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index d39be4cf1f5..88d6eac6975 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -108,6 +108,7 @@ obj-$(CONFIG_HANGCHECK_TIMER)	+= hangcheck-timer.o
 obj-$(CONFIG_TCG_TPM)		+= tpm/
 
 obj-$(CONFIG_PS3_FLASH)		+= ps3flash.o
+obj-$(CONFIG_RAMOOPS)		+= ramoops.o
 
 obj-$(CONFIG_JS_RTC)		+= js-rtc.o
 js-rtc-y = rtc.o
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 67ea3a60de7..70312da4c96 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -384,7 +384,7 @@ static int __devinit uli_agp_init(struct pci_dev *pdev)
 {
 	u32 httfea,baseaddr,enuscr;
 	struct pci_dev *dev1;
-	int i;
+	int i, ret;
 	unsigned size = amd64_fetch_size();
 
 	dev_info(&pdev->dev, "setting up ULi AGP\n");
@@ -400,15 +400,18 @@ static int __devinit uli_agp_init(struct pci_dev *pdev)
 
 	if (i == ARRAY_SIZE(uli_sizes)) {
 		dev_info(&pdev->dev, "no ULi size found for %d\n", size);
-		return -ENODEV;
+		ret = -ENODEV;
+		goto put;
 	}
 
 	/* shadow x86-64 registers into ULi registers */
 	pci_read_config_dword (k8_northbridges[0], AMD64_GARTAPERTUREBASE, &httfea);
 
 	/* if x86-64 aperture base is beyond 4G, exit here */
-	if ((httfea & 0x7fff) >> (32 - 25))
-		return -ENODEV;
+	if ((httfea & 0x7fff) >> (32 - 25)) {
+		ret = -ENODEV;
+		goto put;
+	}
 
 	httfea = (httfea& 0x7fff) << 25;
 
@@ -420,9 +423,10 @@ static int __devinit uli_agp_init(struct pci_dev *pdev)
 	enuscr= httfea+ (size * 1024 * 1024) - 1;
 	pci_write_config_dword(dev1, ULI_X86_64_HTT_FEA_REG, httfea);
 	pci_write_config_dword(dev1, ULI_X86_64_ENU_SCR_REG, enuscr);
-
+	ret = 0;
+put:
 	pci_dev_put(dev1);
-	return 0;
+	return ret;
 }
 
 
@@ -441,7 +445,7 @@ static int nforce3_agp_init(struct pci_dev *pdev)
 {
 	u32 tmp, apbase, apbar, aplimit;
 	struct pci_dev *dev1;
-	int i;
+	int i, ret;
 	unsigned size = amd64_fetch_size();
 
 	dev_info(&pdev->dev, "setting up Nforce3 AGP\n");
@@ -458,7 +462,8 @@ static int nforce3_agp_init(struct pci_dev *pdev)
 
 	if (i == ARRAY_SIZE(nforce3_sizes)) {
 		dev_info(&pdev->dev, "no NForce3 size found for %d\n", size);
-		return -ENODEV;
+		ret = -ENODEV;
+		goto put;
 	}
 
 	pci_read_config_dword(dev1, NVIDIA_X86_64_1_APSIZE, &tmp);
@@ -472,7 +477,8 @@ static int nforce3_agp_init(struct pci_dev *pdev)
 	/* if x86-64 aperture base is beyond 4G, exit here */
 	if ( (apbase & 0x7fff) >> (32 - 25) ) {
 		dev_info(&pdev->dev, "aperture base > 4G\n");
-		return -ENODEV;
+		ret = -ENODEV;
+		goto put;
 	}
 
 	apbase = (apbase & 0x7fff) << 25;
@@ -488,9 +494,11 @@ static int nforce3_agp_init(struct pci_dev *pdev)
 	pci_write_config_dword(dev1, NVIDIA_X86_64_1_APBASE2, apbase);
 	pci_write_config_dword(dev1, NVIDIA_X86_64_1_APLIMIT2, aplimit);
 
+	ret = 0;
+put:
 	pci_dev_put(dev1);
 
-	return 0;
+	return ret;
 }
 
 static int __devinit agp_amd64_probe(struct pci_dev *pdev,
diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c
index 56b27671adc..4f8d60c25a9 100644
--- a/drivers/char/amiserial.c
+++ b/drivers/char/amiserial.c
@@ -84,6 +84,7 @@ static char *serial_version = "4.30";
 #include <linux/smp_lock.h>
 #include <linux/init.h>
 #include <linux/bitops.h>
+#include <linux/platform_device.h>
 
 #include <asm/setup.h>
 
@@ -1954,29 +1955,16 @@ static const struct tty_operations serial_ops = {
 /*
  * The serial driver boot-time initialization code!
  */
-static int __init rs_init(void)
+static int __init amiga_serial_probe(struct platform_device *pdev)
 {
 	unsigned long flags;
 	struct serial_state * state;
 	int error;
 
-	if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(AMI_SERIAL))
-		return -ENODEV;
-
 	serial_driver = alloc_tty_driver(1);
 	if (!serial_driver)
 		return -ENOMEM;
 
-	/*
-	 *  We request SERDAT and SERPER only, because the serial registers are
-	 *  too spreaded over the custom register space
-	 */
-	if (!request_mem_region(CUSTOM_PHYSADDR+0x30, 4,
-				"amiserial [Paula]")) {
-		error = -EBUSY;
-		goto fail_put_tty_driver;
-	}
-
 	IRQ_ports = NULL;
 
 	show_serial_version();
@@ -1998,7 +1986,7 @@ static int __init rs_init(void)
 
 	error = tty_register_driver(serial_driver);
 	if (error)
-		goto fail_release_mem_region;
+		goto fail_put_tty_driver;
 
 	state = rs_table;
 	state->magic = SSTATE_MAGIC;
@@ -2050,23 +2038,24 @@ static int __init rs_init(void)
 	ciab.ddra |= (SER_DTR | SER_RTS);   /* outputs */
 	ciab.ddra &= ~(SER_DCD | SER_CTS | SER_DSR);  /* inputs */
 
+	platform_set_drvdata(pdev, state);
+
 	return 0;
 
 fail_free_irq:
 	free_irq(IRQ_AMIGA_TBE, state);
 fail_unregister:
 	tty_unregister_driver(serial_driver);
-fail_release_mem_region:
-	release_mem_region(CUSTOM_PHYSADDR+0x30, 4);
 fail_put_tty_driver:
 	put_tty_driver(serial_driver);
 	return error;
 }
 
-static __exit void rs_exit(void) 
+static int __exit amiga_serial_remove(struct platform_device *pdev)
 {
 	int error;
-	struct async_struct *info = rs_table[0].info;
+	struct serial_state *state = platform_get_drvdata(pdev);
+	struct async_struct *info = state->info;
 
 	/* printk("Unloading %s: version %s\n", serial_name, serial_version); */
 	tasklet_kill(&info->tlet);
@@ -2075,19 +2064,38 @@ static __exit void rs_exit(void)
 		       error);
 	put_tty_driver(serial_driver);
 
-	if (info) {
-	  rs_table[0].info = NULL;
-	  kfree(info);
-	}
+	rs_table[0].info = NULL;
+	kfree(info);
 
 	free_irq(IRQ_AMIGA_TBE, rs_table);
 	free_irq(IRQ_AMIGA_RBF, rs_table);
 
-	release_mem_region(CUSTOM_PHYSADDR+0x30, 4);
+	platform_set_drvdata(pdev, NULL);
+
+	return error;
+}
+
+static struct platform_driver amiga_serial_driver = {
+	.remove = __exit_p(amiga_serial_remove),
+	.driver   = {
+		.name	= "amiga-serial",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init amiga_serial_init(void)
+{
+	return platform_driver_probe(&amiga_serial_driver, amiga_serial_probe);
+}
+
+module_init(amiga_serial_init);
+
+static void __exit amiga_serial_exit(void)
+{
+	platform_driver_unregister(&amiga_serial_driver);
 }
 
-module_init(rs_init)
-module_exit(rs_exit)
+module_exit(amiga_serial_exit);
 
 
 #if defined(CONFIG_SERIAL_CONSOLE) && !defined(MODULE)
@@ -2154,3 +2162,4 @@ console_initcall(amiserial_console_init);
 #endif /* CONFIG_SERIAL_CONSOLE && !MODULE */
 
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:amiga-serial");
diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index 63313a33ba5..f4ae0e0fb63 100644
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -703,14 +703,9 @@ static long ac_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	/* In general, the device is only openable by root anyway, so we're not
 	   particularly concerned that bogus ioctls can flood the console. */
 
-	adgl = kmalloc(sizeof(struct st_ram_io), GFP_KERNEL);
-	if (!adgl)
-		return -ENOMEM;
-
-	if (copy_from_user(adgl, argp, sizeof(struct st_ram_io))) {
-		kfree(adgl);
-		return -EFAULT;
-	}
+	adgl = memdup_user(argp, sizeof(struct st_ram_io));
+	if (IS_ERR(adgl))
+		return PTR_ERR(adgl);
 
 	lock_kernel();	
 	IndexCard = adgl->num_card-1;
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index c6ad4234378..4f3f8c9ec26 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -2505,12 +2505,11 @@ static int ipmi_bmc_register(ipmi_smi_t intf, int ifnum,
 			return rv;
 		}
 
-		printk(KERN_INFO
-		       "ipmi: Found new BMC (man_id: 0x%6.6x, "
-		       " prod_id: 0x%4.4x, dev_id: 0x%2.2x)\n",
-		       bmc->id.manufacturer_id,
-		       bmc->id.product_id,
-		       bmc->id.device_id);
+		dev_info(intf->si_dev, "Found new BMC (man_id: 0x%6.6x, "
+			 "prod_id: 0x%4.4x, dev_id: 0x%2.2x)\n",
+			 bmc->id.manufacturer_id,
+			 bmc->id.product_id,
+			 bmc->id.device_id);
 	}
 
 	/*
@@ -4037,8 +4036,8 @@ static void ipmi_request_event(void)
 
 static struct timer_list ipmi_timer;
 
-/* Call every ~100 ms. */
-#define IPMI_TIMEOUT_TIME	100
+/* Call every ~1000 ms. */
+#define IPMI_TIMEOUT_TIME	1000
 
 /* How many jiffies does it take to get to the timeout time. */
 #define IPMI_TIMEOUT_JIFFIES	((IPMI_TIMEOUT_TIME * HZ) / 1000)
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 47ffe4a90a9..35603dd4e6c 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -107,6 +107,14 @@ enum si_type {
 };
 static char *si_to_str[] = { "kcs", "smic", "bt" };
 
+enum ipmi_addr_src {
+	SI_INVALID = 0, SI_HOTMOD, SI_HARDCODED, SI_SPMI, SI_ACPI, SI_SMBIOS,
+	SI_PCI,	SI_DEVICETREE, SI_DEFAULT
+};
+static char *ipmi_addr_src_to_str[] = { NULL, "hotmod", "hardcoded", "SPMI",
+					"ACPI", "SMBIOS", "PCI",
+					"device-tree", "default" };
+
 #define DEVICE_NAME "ipmi_si"
 
 static struct platform_driver ipmi_driver = {
@@ -188,7 +196,7 @@ struct smi_info {
 	int (*irq_setup)(struct smi_info *info);
 	void (*irq_cleanup)(struct smi_info *info);
 	unsigned int io_size;
-	char *addr_source; /* ACPI, PCI, SMBIOS, hardcode, default. */
+	enum ipmi_addr_src addr_source; /* ACPI, PCI, SMBIOS, hardcode, etc. */
 	void (*addr_source_cleanup)(struct smi_info *info);
 	void *addr_source_data;
 
@@ -300,6 +308,7 @@ static int num_max_busy_us;
 
 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);
 
@@ -314,9 +323,14 @@ static void deliver_recv_msg(struct smi_info *smi_info,
 {
 	/* Deliver the message to the upper layer with the lock
 	   released. */
-	spin_unlock(&(smi_info->si_lock));
-	ipmi_smi_msg_received(smi_info->intf, msg);
-	spin_lock(&(smi_info->si_lock));
+
+	if (smi_info->run_to_completion) {
+		ipmi_smi_msg_received(smi_info->intf, msg);
+	} else {
+		spin_unlock(&(smi_info->si_lock));
+		ipmi_smi_msg_received(smi_info->intf, msg);
+		spin_lock(&(smi_info->si_lock));
+	}
 }
 
 static void return_hosed_msg(struct smi_info *smi_info, int cCode)
@@ -445,6 +459,9 @@ static inline void disable_si_irq(struct smi_info *smi_info)
 	if ((smi_info->irq) && (!smi_info->interrupt_disabled)) {
 		start_disable_irq(smi_info);
 		smi_info->interrupt_disabled = 1;
+		if (!atomic_read(&smi_info->stop_operation))
+			mod_timer(&smi_info->si_timer,
+				  jiffies + SI_TIMEOUT_JIFFIES);
 	}
 }
 
@@ -576,9 +593,8 @@ static void handle_transaction_done(struct smi_info *smi_info)
 		smi_info->handlers->get_result(smi_info->si_sm, msg, 3);
 		if (msg[2] != 0) {
 			/* Error clearing flags */
-			printk(KERN_WARNING
-			       "ipmi_si: Error clearing flags: %2.2x\n",
-			       msg[2]);
+			dev_warn(smi_info->dev,
+				 "Error clearing flags: %2.2x\n", msg[2]);
 		}
 		if (smi_info->si_state == SI_CLEARING_FLAGS_THEN_SET_IRQ)
 			start_enable_irq(smi_info);
@@ -670,9 +686,8 @@ static void handle_transaction_done(struct smi_info *smi_info)
 		/* We got the flags from the SMI, now handle them. */
 		smi_info->handlers->get_result(smi_info->si_sm, msg, 4);
 		if (msg[2] != 0) {
-			printk(KERN_WARNING
-			       "ipmi_si: Could not enable interrupts"
-			       ", failed get, using polled mode.\n");
+			dev_warn(smi_info->dev, "Could not enable interrupts"
+				 ", failed get, using polled mode.\n");
 			smi_info->si_state = SI_NORMAL;
 		} else {
 			msg[0] = (IPMI_NETFN_APP_REQUEST << 2);
@@ -693,11 +708,11 @@ static void handle_transaction_done(struct smi_info *smi_info)
 
 		/* We got the flags from the SMI, now handle them. */
 		smi_info->handlers->get_result(smi_info->si_sm, msg, 4);
-		if (msg[2] != 0) {
-			printk(KERN_WARNING
-			       "ipmi_si: Could not enable interrupts"
-			       ", failed set, using polled mode.\n");
-		}
+		if (msg[2] != 0)
+			dev_warn(smi_info->dev, "Could not enable interrupts"
+				 ", failed set, using polled mode.\n");
+		else
+			smi_info->interrupt_disabled = 0;
 		smi_info->si_state = SI_NORMAL;
 		break;
 	}
@@ -709,9 +724,8 @@ static void handle_transaction_done(struct smi_info *smi_info)
 		/* We got the flags from the SMI, now handle them. */
 		smi_info->handlers->get_result(smi_info->si_sm, msg, 4);
 		if (msg[2] != 0) {
-			printk(KERN_WARNING
-			       "ipmi_si: Could not disable interrupts"
-			       ", failed get.\n");
+			dev_warn(smi_info->dev, "Could not disable interrupts"
+				 ", failed get.\n");
 			smi_info->si_state = SI_NORMAL;
 		} else {
 			msg[0] = (IPMI_NETFN_APP_REQUEST << 2);
@@ -733,9 +747,8 @@ static void handle_transaction_done(struct smi_info *smi_info)
 		/* We got the flags from the SMI, now handle them. */
 		smi_info->handlers->get_result(smi_info->si_sm, msg, 4);
 		if (msg[2] != 0) {
-			printk(KERN_WARNING
-			       "ipmi_si: Could not disable interrupts"
-			       ", failed set.\n");
+			dev_warn(smi_info->dev, "Could not disable interrupts"
+				 ", failed set.\n");
 		}
 		smi_info->si_state = SI_NORMAL;
 		break;
@@ -877,6 +890,11 @@ static void sender(void                *send_info,
 	printk("**Enqueue: %d.%9.9d\n", t.tv_sec, t.tv_usec);
 #endif
 
+	mod_timer(&smi_info->si_timer, jiffies + SI_TIMEOUT_JIFFIES);
+
+	if (smi_info->thread)
+		wake_up_process(smi_info->thread);
+
 	if (smi_info->run_to_completion) {
 		/*
 		 * If we are running to completion, then throw it in
@@ -997,6 +1015,8 @@ static int ipmi_thread(void *data)
 			; /* do nothing */
 		else if (smi_result == SI_SM_CALL_WITH_DELAY && busy_wait)
 			schedule();
+		else if (smi_result == SI_SM_IDLE)
+			schedule_timeout_interruptible(100);
 		else
 			schedule_timeout_interruptible(0);
 	}
@@ -1039,6 +1059,7 @@ static void smi_timeout(unsigned long data)
 	unsigned long     flags;
 	unsigned long     jiffies_now;
 	long              time_diff;
+	long		  timeout;
 #ifdef DEBUG_TIMING
 	struct timeval    t;
 #endif
@@ -1059,9 +1080,9 @@ static void smi_timeout(unsigned long data)
 
 	if ((smi_info->irq) && (!smi_info->interrupt_disabled)) {
 		/* Running with interrupts, only do long timeouts. */
-		smi_info->si_timer.expires = jiffies + SI_TIMEOUT_JIFFIES;
+		timeout = jiffies + SI_TIMEOUT_JIFFIES;
 		smi_inc_stat(smi_info, long_timeouts);
-		goto do_add_timer;
+		goto do_mod_timer;
 	}
 
 	/*
@@ -1070,14 +1091,15 @@ static void smi_timeout(unsigned long data)
 	 */
 	if (smi_result == SI_SM_CALL_WITH_DELAY) {
 		smi_inc_stat(smi_info, short_timeouts);
-		smi_info->si_timer.expires = jiffies + 1;
+		timeout = jiffies + 1;
 	} else {
 		smi_inc_stat(smi_info, long_timeouts);
-		smi_info->si_timer.expires = jiffies + SI_TIMEOUT_JIFFIES;
+		timeout = jiffies + SI_TIMEOUT_JIFFIES;
 	}
 
- do_add_timer:
-	add_timer(&(smi_info->si_timer));
+ do_mod_timer:
+	if (smi_result != SI_SM_IDLE)
+		mod_timer(&(smi_info->si_timer), timeout);
 }
 
 static irqreturn_t si_irq_handler(int irq, void *data)
@@ -1144,10 +1166,10 @@ static int smi_start_processing(void       *send_info,
 		new_smi->thread = kthread_run(ipmi_thread, new_smi,
 					      "kipmi%d", new_smi->intf_num);
 		if (IS_ERR(new_smi->thread)) {
-			printk(KERN_NOTICE "ipmi_si_intf: Could not start"
-			       " kernel thread due to error %ld, only using"
-			       " timers to drive the interface\n",
-			       PTR_ERR(new_smi->thread));
+			dev_notice(new_smi->dev, "Could not start"
+				   " kernel thread due to error %ld, only using"
+				   " timers to drive the interface\n",
+				   PTR_ERR(new_smi->thread));
 			new_smi->thread = NULL;
 		}
 	}
@@ -1308,14 +1330,13 @@ static int std_irq_setup(struct smi_info *info)
 				 DEVICE_NAME,
 				 info);
 	if (rv) {
-		printk(KERN_WARNING
-		       "ipmi_si: %s unable to claim interrupt %d,"
-		       " running polled\n",
-		       DEVICE_NAME, info->irq);
+		dev_warn(info->dev, "%s unable to claim interrupt %d,"
+			 " running polled\n",
+			 DEVICE_NAME, info->irq);
 		info->irq = 0;
 	} else {
 		info->irq_cleanup = std_irq_cleanup;
-		printk("  Using irq %d\n", info->irq);
+		dev_info(info->dev, "Using irq %d\n", info->irq);
 	}
 
 	return rv;
@@ -1406,8 +1427,8 @@ static int port_setup(struct smi_info *info)
 		info->io.outputb = port_outl;
 		break;
 	default:
-		printk(KERN_WARNING "ipmi_si: Invalid register size: %d\n",
-		       info->io.regsize);
+		dev_warn(info->dev, "Invalid register size: %d\n",
+			 info->io.regsize);
 		return -EINVAL;
 	}
 
@@ -1529,8 +1550,8 @@ static int mem_setup(struct smi_info *info)
 		break;
 #endif
 	default:
-		printk(KERN_WARNING "ipmi_si: Invalid register size: %d\n",
-		       info->io.regsize);
+		dev_warn(info->dev, "Invalid register size: %d\n",
+			 info->io.regsize);
 		return -EINVAL;
 	}
 
@@ -1755,7 +1776,7 @@ static int hotmod_handler(const char *val, struct kernel_param *kp)
 				goto out;
 			}
 
-			info->addr_source = "hotmod";
+			info->addr_source = SI_HOTMOD;
 			info->si_type = si_type;
 			info->io.addr_data = addr;
 			info->io.addr_type = addr_space;
@@ -1777,7 +1798,9 @@ static int hotmod_handler(const char *val, struct kernel_param *kp)
 				info->irq_setup = std_irq_setup;
 			info->slave_addr = ipmb;
 
-			try_smi_init(info);
+			if (!add_smi(info))
+				if (try_smi_init(info))
+					cleanup_one_si(info);
 		} else {
 			/* remove */
 			struct smi_info *e, *tmp_e;
@@ -1813,7 +1836,8 @@ static __devinit void hardcode_find_bmc(void)
 		if (!info)
 			return;
 
-		info->addr_source = "hardcoded";
+		info->addr_source = SI_HARDCODED;
+		printk(KERN_INFO PFX "probing via hardcoded address\n");
 
 		if (!si_type[i] || strcmp(si_type[i], "kcs") == 0) {
 			info->si_type = SI_KCS;
@@ -1822,8 +1846,7 @@ static __devinit void hardcode_find_bmc(void)
 		} else if (strcmp(si_type[i], "bt") == 0) {
 			info->si_type = SI_BT;
 		} else {
-			printk(KERN_WARNING
-			       "ipmi_si: Interface type specified "
+			printk(KERN_WARNING PFX "Interface type specified "
 			       "for interface %d, was invalid: %s\n",
 			       i, si_type[i]);
 			kfree(info);
@@ -1841,11 +1864,9 @@ static __devinit void hardcode_find_bmc(void)
 			info->io.addr_data = addrs[i];
 			info->io.addr_type = IPMI_MEM_ADDR_SPACE;
 		} else {
-			printk(KERN_WARNING
-			       "ipmi_si: Interface type specified "
-			       "for interface %d, "
-			       "but port and address were not set or "
-			       "set to zero.\n", i);
+			printk(KERN_WARNING PFX "Interface type specified "
+			       "for interface %d, but port and address were "
+			       "not set or set to zero.\n", i);
 			kfree(info);
 			continue;
 		}
@@ -1863,7 +1884,9 @@ static __devinit void hardcode_find_bmc(void)
 			info->irq_setup = std_irq_setup;
 		info->slave_addr = slave_addrs[i];
 
-		try_smi_init(info);
+		if (!add_smi(info))
+			if (try_smi_init(info))
+				cleanup_one_si(info);
 	}
 }
 
@@ -1923,15 +1946,13 @@ static int acpi_gpe_irq_setup(struct smi_info *info)
 					  &ipmi_acpi_gpe,
 					  info);
 	if (status != AE_OK) {
-		printk(KERN_WARNING
-		       "ipmi_si: %s unable to claim ACPI GPE %d,"
-		       " running polled\n",
-		       DEVICE_NAME, info->irq);
+		dev_warn(info->dev, "%s unable to claim ACPI GPE %d,"
+			 " running polled\n", DEVICE_NAME, info->irq);
 		info->irq = 0;
 		return -EINVAL;
 	} else {
 		info->irq_cleanup = acpi_gpe_irq_cleanup;
-		printk("  Using ACPI GPE %d\n", info->irq);
+		dev_info(info->dev, "Using ACPI GPE %d\n", info->irq);
 		return 0;
 	}
 }
@@ -1989,8 +2010,8 @@ static __devinit int try_init_spmi(struct SPMITable *spmi)
 	u8 		 addr_space;
 
 	if (spmi->IPMIlegacy != 1) {
-	    printk(KERN_INFO "IPMI: Bad SPMI legacy %d\n", spmi->IPMIlegacy);
-	    return -ENODEV;
+		printk(KERN_INFO PFX "Bad SPMI legacy %d\n", spmi->IPMIlegacy);
+		return -ENODEV;
 	}
 
 	if (spmi->addr.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
@@ -2000,11 +2021,12 @@ static __devinit int try_init_spmi(struct SPMITable *spmi)
 
 	info = kzalloc(sizeof(*info), GFP_KERNEL);
 	if (!info) {
-		printk(KERN_ERR "ipmi_si: Could not allocate SI data (3)\n");
+		printk(KERN_ERR PFX "Could not allocate SI data (3)\n");
 		return -ENOMEM;
 	}
 
-	info->addr_source = "SPMI";
+	info->addr_source = SI_SPMI;
+	printk(KERN_INFO PFX "probing via SPMI\n");
 
 	/* Figure out the interface type. */
 	switch (spmi->InterfaceType) {
@@ -2018,8 +2040,8 @@ static __devinit int try_init_spmi(struct SPMITable *spmi)
 		info->si_type = SI_BT;
 		break;
 	default:
-		printk(KERN_INFO "ipmi_si: Unknown ACPI/SPMI SI type %d\n",
-			spmi->InterfaceType);
+		printk(KERN_INFO PFX "Unknown ACPI/SPMI SI type %d\n",
+		       spmi->InterfaceType);
 		kfree(info);
 		return -EIO;
 	}
@@ -2055,13 +2077,12 @@ static __devinit int try_init_spmi(struct SPMITable *spmi)
 		info->io.addr_type = IPMI_IO_ADDR_SPACE;
 	} else {
 		kfree(info);
-		printk(KERN_WARNING
-		       "ipmi_si: Unknown ACPI I/O Address type\n");
+		printk(KERN_WARNING PFX "Unknown ACPI I/O Address type\n");
 		return -EIO;
 	}
 	info->io.addr_data = spmi->addr.address;
 
-	try_smi_init(info);
+	add_smi(info);
 
 	return 0;
 }
@@ -2093,6 +2114,7 @@ static int __devinit ipmi_pnp_probe(struct pnp_dev *dev,
 {
 	struct acpi_device *acpi_dev;
 	struct smi_info *info;
+	struct resource *res;
 	acpi_handle handle;
 	acpi_status status;
 	unsigned long long tmp;
@@ -2105,7 +2127,8 @@ static int __devinit ipmi_pnp_probe(struct pnp_dev *dev,
 	if (!info)
 		return -ENOMEM;
 
-	info->addr_source = "ACPI";
+	info->addr_source = SI_ACPI;
+	printk(KERN_INFO PFX "probing via ACPI\n");
 
 	handle = acpi_dev->handle;
 
@@ -2125,22 +2148,26 @@ static int __devinit ipmi_pnp_probe(struct pnp_dev *dev,
 		info->si_type = SI_BT;
 		break;
 	default:
-		dev_info(&dev->dev, "unknown interface type %lld\n", tmp);
+		dev_info(&dev->dev, "unknown IPMI type %lld\n", tmp);
 		goto err_free;
 	}
 
-	if (pnp_port_valid(dev, 0)) {
+	res = pnp_get_resource(dev, IORESOURCE_IO, 0);
+	if (res) {
 		info->io_setup = port_setup;
 		info->io.addr_type = IPMI_IO_ADDR_SPACE;
-		info->io.addr_data = pnp_port_start(dev, 0);
-	} else if (pnp_mem_valid(dev, 0)) {
-		info->io_setup = mem_setup;
-		info->io.addr_type = IPMI_MEM_ADDR_SPACE;
-		info->io.addr_data = pnp_mem_start(dev, 0);
 	} else {
+		res = pnp_get_resource(dev, IORESOURCE_MEM, 0);
+		if (res) {
+			info->io_setup = mem_setup;
+			info->io.addr_type = IPMI_MEM_ADDR_SPACE;
+		}
+	}
+	if (!res) {
 		dev_err(&dev->dev, "no I/O or memory address\n");
 		goto err_free;
 	}
+	info->io.addr_data = res->start;
 
 	info->io.regspacing = DEFAULT_REGSPACING;
 	info->io.regsize = DEFAULT_REGSPACING;
@@ -2156,10 +2183,14 @@ static int __devinit ipmi_pnp_probe(struct pnp_dev *dev,
 		info->irq_setup = std_irq_setup;
 	}
 
-	info->dev = &acpi_dev->dev;
+	info->dev = &dev->dev;
 	pnp_set_drvdata(dev, info);
 
-	return try_smi_init(info);
+	dev_info(info->dev, "%pR regsize %d spacing %d irq %d\n",
+		 res, info->io.regsize, info->io.regspacing,
+		 info->irq);
+
+	return add_smi(info);
 
 err_free:
 	kfree(info);
@@ -2264,12 +2295,12 @@ static __devinit void try_init_dmi(struct dmi_ipmi_data *ipmi_data)
 
 	info = kzalloc(sizeof(*info), GFP_KERNEL);
 	if (!info) {
-		printk(KERN_ERR
-		       "ipmi_si: Could not allocate SI data\n");
+		printk(KERN_ERR PFX "Could not allocate SI data\n");
 		return;
 	}
 
-	info->addr_source = "SMBIOS";
+	info->addr_source = SI_SMBIOS;
+	printk(KERN_INFO PFX "probing via SMBIOS\n");
 
 	switch (ipmi_data->type) {
 	case 0x01: /* KCS */
@@ -2299,8 +2330,7 @@ static __devinit void try_init_dmi(struct dmi_ipmi_data *ipmi_data)
 
 	default:
 		kfree(info);
-		printk(KERN_WARNING
-		       "ipmi_si: Unknown SMBIOS I/O Address type: %d.\n",
+		printk(KERN_WARNING PFX "Unknown SMBIOS I/O Address type: %d\n",
 		       ipmi_data->addr_space);
 		return;
 	}
@@ -2318,7 +2348,7 @@ static __devinit void try_init_dmi(struct dmi_ipmi_data *ipmi_data)
 	if (info->irq)
 		info->irq_setup = std_irq_setup;
 
-	try_smi_init(info);
+	add_smi(info);
 }
 
 static void __devinit dmi_find_bmc(void)
@@ -2368,7 +2398,8 @@ static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
 	if (!info)
 		return -ENOMEM;
 
-	info->addr_source = "PCI";
+	info->addr_source = SI_PCI;
+	dev_info(&pdev->dev, "probing via PCI");
 
 	switch (class_type) {
 	case PCI_ERMC_CLASSCODE_TYPE_SMIC:
@@ -2385,15 +2416,13 @@ static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
 
 	default:
 		kfree(info);
-		printk(KERN_INFO "ipmi_si: %s: Unknown IPMI type: %d\n",
-		       pci_name(pdev), class_type);
+		dev_info(&pdev->dev, "Unknown IPMI type: %d\n", class_type);
 		return -ENOMEM;
 	}
 
 	rv = pci_enable_device(pdev);
 	if (rv) {
-		printk(KERN_ERR "ipmi_si: %s: couldn't enable PCI device\n",
-		       pci_name(pdev));
+		dev_err(&pdev->dev, "couldn't enable PCI device\n");
 		kfree(info);
 		return rv;
 	}
@@ -2421,7 +2450,11 @@ static int __devinit ipmi_pci_probe(struct pci_dev *pdev,
 	info->dev = &pdev->dev;
 	pci_set_drvdata(pdev, info);
 
-	return try_smi_init(info);
+	dev_info(&pdev->dev, "%pR regsize %d spacing %d irq %d\n",
+		&pdev->resource[0], info->io.regsize, info->io.regspacing,
+		info->irq);
+
+	return add_smi(info);
 }
 
 static void __devexit ipmi_pci_remove(struct pci_dev *pdev)
@@ -2473,7 +2506,7 @@ static int __devinit ipmi_of_probe(struct of_device *dev,
 	int ret;
 	int proplen;
 
-	dev_info(&dev->dev, PFX "probing via device tree\n");
+	dev_info(&dev->dev, "probing via device tree\n");
 
 	ret = of_address_to_resource(np, 0, &resource);
 	if (ret) {
@@ -2503,12 +2536,12 @@ static int __devinit ipmi_of_probe(struct of_device *dev,
 
 	if (!info) {
 		dev_err(&dev->dev,
-			PFX "could not allocate memory for OF probe\n");
+			"could not allocate memory for OF probe\n");
 		return -ENOMEM;
 	}
 
 	info->si_type		= (enum si_type) match->data;
-	info->addr_source	= "device-tree";
+	info->addr_source	= SI_DEVICETREE;
 	info->irq_setup		= std_irq_setup;
 
 	if (resource.flags & IORESOURCE_IO) {
@@ -2528,13 +2561,13 @@ static int __devinit ipmi_of_probe(struct of_device *dev,
 	info->irq		= irq_of_parse_and_map(dev->dev.of_node, 0);
 	info->dev		= &dev->dev;
 
-	dev_dbg(&dev->dev, "addr 0x%lx regsize %d spacing %d irq %x\n",
+	dev_dbg(&dev->dev, "addr 0x%lx regsize %d spacing %d irq %d\n",
 		info->io.addr_data, info->io.regsize, info->io.regspacing,
 		info->irq);
 
 	dev_set_drvdata(&dev->dev, info);
 
-	return try_smi_init(info);
+	return add_smi(info);
 }
 
 static int __devexit ipmi_of_remove(struct of_device *dev)
@@ -2643,9 +2676,8 @@ static int try_enable_event_buffer(struct smi_info *smi_info)
 
 	rv = wait_for_msg_done(smi_info);
 	if (rv) {
-		printk(KERN_WARNING
-		       "ipmi_si: Error getting response from get global,"
-		       " enables command, the event buffer is not"
+		printk(KERN_WARNING PFX "Error getting response from get"
+		       " global enables command, the event buffer is not"
 		       " enabled.\n");
 		goto out;
 	}
@@ -2657,10 +2689,8 @@ static int try_enable_event_buffer(struct smi_info *smi_info)
 			resp[0] != (IPMI_NETFN_APP_REQUEST | 1) << 2 ||
 			resp[1] != IPMI_GET_BMC_GLOBAL_ENABLES_CMD   ||
 			resp[2] != 0) {
-		printk(KERN_WARNING
-		       "ipmi_si: Invalid return from get global"
-		       " enables command, cannot enable the event"
-		       " buffer.\n");
+		printk(KERN_WARNING PFX "Invalid return from get global"
+		       " enables command, cannot enable the event buffer.\n");
 		rv = -EINVAL;
 		goto out;
 	}
@@ -2676,9 +2706,8 @@ static int try_enable_event_buffer(struct smi_info *smi_info)
 
 	rv = wait_for_msg_done(smi_info);
 	if (rv) {
-		printk(KERN_WARNING
-		       "ipmi_si: Error getting response from set global,"
-		       " enables command, the event buffer is not"
+		printk(KERN_WARNING PFX "Error getting response from set"
+		       " global, enables command, the event buffer is not"
 		       " enabled.\n");
 		goto out;
 	}
@@ -2689,10 +2718,8 @@ static int try_enable_event_buffer(struct smi_info *smi_info)
 	if (resp_len < 3 ||
 			resp[0] != (IPMI_NETFN_APP_REQUEST | 1) << 2 ||
 			resp[1] != IPMI_SET_BMC_GLOBAL_ENABLES_CMD) {
-		printk(KERN_WARNING
-		       "ipmi_si: Invalid return from get global,"
-		       "enables command, not enable the event"
-		       " buffer.\n");
+		printk(KERN_WARNING PFX "Invalid return from get global,"
+		       "enables command, not enable the event buffer.\n");
 		rv = -EINVAL;
 		goto out;
 	}
@@ -2951,7 +2978,7 @@ static __devinit void default_find_bmc(void)
 		if (!info)
 			return;
 
-		info->addr_source = NULL;
+		info->addr_source = SI_DEFAULT;
 
 		info->si_type = ipmi_defaults[i].type;
 		info->io_setup = port_setup;
@@ -2963,14 +2990,16 @@ static __devinit void default_find_bmc(void)
 		info->io.regsize = DEFAULT_REGSPACING;
 		info->io.regshift = 0;
 
-		if (try_smi_init(info) == 0) {
-			/* Found one... */
-			printk(KERN_INFO "ipmi_si: Found default %s state"
-			       " machine at %s address 0x%lx\n",
-			       si_to_str[info->si_type],
-			       addr_space_to_str[info->io.addr_type],
-			       info->io.addr_data);
-			return;
+		if (add_smi(info) == 0) {
+			if ((try_smi_init(info)) == 0) {
+				/* Found one... */
+				printk(KERN_INFO PFX "Found default %s"
+				" state machine at %s address 0x%lx\n",
+				si_to_str[info->si_type],
+				addr_space_to_str[info->io.addr_type],
+				info->io.addr_data);
+			} else
+				cleanup_one_si(info);
 		}
 	}
 }
@@ -2989,34 +3018,48 @@ static int is_new_interface(struct smi_info *info)
 	return 1;
 }
 
-static int try_smi_init(struct smi_info *new_smi)
+static int add_smi(struct smi_info *new_smi)
 {
-	int rv;
-	int i;
-
-	if (new_smi->addr_source) {
-		printk(KERN_INFO "ipmi_si: Trying %s-specified %s state"
-		       " machine at %s address 0x%lx, slave address 0x%x,"
-		       " irq %d\n",
-		       new_smi->addr_source,
-		       si_to_str[new_smi->si_type],
-		       addr_space_to_str[new_smi->io.addr_type],
-		       new_smi->io.addr_data,
-		       new_smi->slave_addr, new_smi->irq);
-	}
+	int rv = 0;
 
+	printk(KERN_INFO PFX "Adding %s-specified %s state machine",
+			ipmi_addr_src_to_str[new_smi->addr_source],
+			si_to_str[new_smi->si_type]);
 	mutex_lock(&smi_infos_lock);
 	if (!is_new_interface(new_smi)) {
-		printk(KERN_WARNING "ipmi_si: duplicate interface\n");
+		printk(KERN_CONT PFX "duplicate interface\n");
 		rv = -EBUSY;
 		goto out_err;
 	}
 
+	printk(KERN_CONT "\n");
+
 	/* So we know not to free it unless we have allocated one. */
 	new_smi->intf = NULL;
 	new_smi->si_sm = NULL;
 	new_smi->handlers = NULL;
 
+	list_add_tail(&new_smi->link, &smi_infos);
+
+out_err:
+	mutex_unlock(&smi_infos_lock);
+	return rv;
+}
+
+static int try_smi_init(struct smi_info *new_smi)
+{
+	int rv = 0;
+	int i;
+
+	printk(KERN_INFO PFX "Trying %s-specified %s state"
+	       " machine at %s address 0x%lx, slave address 0x%x,"
+	       " irq %d\n",
+	       ipmi_addr_src_to_str[new_smi->addr_source],
+	       si_to_str[new_smi->si_type],
+	       addr_space_to_str[new_smi->io.addr_type],
+	       new_smi->io.addr_data,
+	       new_smi->slave_addr, new_smi->irq);
+
 	switch (new_smi->si_type) {
 	case SI_KCS:
 		new_smi->handlers = &kcs_smi_handlers;
@@ -3039,7 +3082,8 @@ static int try_smi_init(struct smi_info *new_smi)
 	/* Allocate the state machine's data and initialize it. */
 	new_smi->si_sm = kmalloc(new_smi->handlers->size(), GFP_KERNEL);
 	if (!new_smi->si_sm) {
-		printk(KERN_ERR "Could not allocate state machine memory\n");
+		printk(KERN_ERR PFX
+		       "Could not allocate state machine memory\n");
 		rv = -ENOMEM;
 		goto out_err;
 	}
@@ -3049,7 +3093,7 @@ static int try_smi_init(struct smi_info *new_smi)
 	/* Now that we know the I/O size, we can set up the I/O. */
 	rv = new_smi->io_setup(new_smi);
 	if (rv) {
-		printk(KERN_ERR "Could not set up I/O space\n");
+		printk(KERN_ERR PFX "Could not set up I/O space\n");
 		goto out_err;
 	}
 
@@ -3059,8 +3103,7 @@ static int try_smi_init(struct smi_info *new_smi)
 	/* Do low-level detection first. */
 	if (new_smi->handlers->detect(new_smi->si_sm)) {
 		if (new_smi->addr_source)
-			printk(KERN_INFO "ipmi_si: Interface detection"
-			       " failed\n");
+			printk(KERN_INFO PFX "Interface detection failed\n");
 		rv = -ENODEV;
 		goto out_err;
 	}
@@ -3072,7 +3115,7 @@ static int try_smi_init(struct smi_info *new_smi)
 	rv = try_get_dev_id(new_smi);
 	if (rv) {
 		if (new_smi->addr_source)
-			printk(KERN_INFO "ipmi_si: There appears to be no BMC"
+			printk(KERN_INFO PFX "There appears to be no BMC"
 			       " at this location\n");
 		goto out_err;
 	}
@@ -3088,7 +3131,7 @@ static int try_smi_init(struct smi_info *new_smi)
 	for (i = 0; i < SI_NUM_STATS; i++)
 		atomic_set(&new_smi->stats[i], 0);
 
-	new_smi->interrupt_disabled = 0;
+	new_smi->interrupt_disabled = 1;
 	atomic_set(&new_smi->stop_operation, 0);
 	new_smi->intf_num = smi_num;
 	smi_num++;
@@ -3114,9 +3157,8 @@ static int try_smi_init(struct smi_info *new_smi)
 		new_smi->pdev = platform_device_alloc("ipmi_si",
 						      new_smi->intf_num);
 		if (!new_smi->pdev) {
-			printk(KERN_ERR
-			       "ipmi_si_intf:"
-			       " Unable to allocate platform device\n");
+			printk(KERN_ERR PFX
+			       "Unable to allocate platform device\n");
 			goto out_err;
 		}
 		new_smi->dev = &new_smi->pdev->dev;
@@ -3124,9 +3166,8 @@ static int try_smi_init(struct smi_info *new_smi)
 
 		rv = platform_device_add(new_smi->pdev);
 		if (rv) {
-			printk(KERN_ERR
-			       "ipmi_si_intf:"
-			       " Unable to register system interface device:"
+			printk(KERN_ERR PFX
+			       "Unable to register system interface device:"
 			       " %d\n",
 			       rv);
 			goto out_err;
@@ -3141,9 +3182,8 @@ static int try_smi_init(struct smi_info *new_smi)
 			       "bmc",
 			       new_smi->slave_addr);
 	if (rv) {
-		printk(KERN_ERR
-		       "ipmi_si: Unable to register device: error %d\n",
-		       rv);
+		dev_err(new_smi->dev, "Unable to register device: error %d\n",
+			rv);
 		goto out_err_stop_timer;
 	}
 
@@ -3151,9 +3191,7 @@ static int try_smi_init(struct smi_info *new_smi)
 				     type_file_read_proc,
 				     new_smi);
 	if (rv) {
-		printk(KERN_ERR
-		       "ipmi_si: Unable to create proc entry: %d\n",
-		       rv);
+		dev_err(new_smi->dev, "Unable to create proc entry: %d\n", rv);
 		goto out_err_stop_timer;
 	}
 
@@ -3161,9 +3199,7 @@ static int try_smi_init(struct smi_info *new_smi)
 				     stat_file_read_proc,
 				     new_smi);
 	if (rv) {
-		printk(KERN_ERR
-		       "ipmi_si: Unable to create proc entry: %d\n",
-		       rv);
+		dev_err(new_smi->dev, "Unable to create proc entry: %d\n", rv);
 		goto out_err_stop_timer;
 	}
 
@@ -3171,18 +3207,12 @@ static int try_smi_init(struct smi_info *new_smi)
 				     param_read_proc,
 				     new_smi);
 	if (rv) {
-		printk(KERN_ERR
-		       "ipmi_si: Unable to create proc entry: %d\n",
-		       rv);
+		dev_err(new_smi->dev, "Unable to create proc entry: %d\n", rv);
 		goto out_err_stop_timer;
 	}
 
-	list_add_tail(&new_smi->link, &smi_infos);
-
-	mutex_unlock(&smi_infos_lock);
-
-	printk(KERN_INFO "IPMI %s interface initialized\n",
-	       si_to_str[new_smi->si_type]);
+	dev_info(new_smi->dev, "IPMI %s interface initialized\n",
+		 si_to_str[new_smi->si_type]);
 
 	return 0;
 
@@ -3191,11 +3221,17 @@ static int try_smi_init(struct smi_info *new_smi)
 	wait_for_timer_and_thread(new_smi);
 
  out_err:
-	if (new_smi->intf)
+	new_smi->interrupt_disabled = 1;
+
+	if (new_smi->intf) {
 		ipmi_unregister_smi(new_smi->intf);
+		new_smi->intf = NULL;
+	}
 
-	if (new_smi->irq_cleanup)
+	if (new_smi->irq_cleanup) {
 		new_smi->irq_cleanup(new_smi);
+		new_smi->irq_cleanup = NULL;
+	}
 
 	/*
 	 * Wait until we know that we are out of any interrupt
@@ -3208,18 +3244,21 @@ static int try_smi_init(struct smi_info *new_smi)
 		if (new_smi->handlers)
 			new_smi->handlers->cleanup(new_smi->si_sm);
 		kfree(new_smi->si_sm);
+		new_smi->si_sm = NULL;
 	}
-	if (new_smi->addr_source_cleanup)
+	if (new_smi->addr_source_cleanup) {
 		new_smi->addr_source_cleanup(new_smi);
-	if (new_smi->io_cleanup)
+		new_smi->addr_source_cleanup = NULL;
+	}
+	if (new_smi->io_cleanup) {
 		new_smi->io_cleanup(new_smi);
+		new_smi->io_cleanup = NULL;
+	}
 
-	if (new_smi->dev_registered)
+	if (new_smi->dev_registered) {
 		platform_device_unregister(new_smi->pdev);
-
-	kfree(new_smi);
-
-	mutex_unlock(&smi_infos_lock);
+		new_smi->dev_registered = 0;
+	}
 
 	return rv;
 }
@@ -3229,6 +3268,8 @@ static __devinit int init_ipmi_si(void)
 	int  i;
 	char *str;
 	int  rv;
+	struct smi_info *e;
+	enum ipmi_addr_src type = SI_INVALID;
 
 	if (initialized)
 		return 0;
@@ -3237,9 +3278,7 @@ static __devinit int init_ipmi_si(void)
 	/* Register the device drivers. */
 	rv = driver_register(&ipmi_driver.driver);
 	if (rv) {
-		printk(KERN_ERR
-		       "init_ipmi_si: Unable to register driver: %d\n",
-		       rv);
+		printk(KERN_ERR PFX "Unable to register driver: %d\n", rv);
 		return rv;
 	}
 
@@ -3263,38 +3302,81 @@ static __devinit int init_ipmi_si(void)
 
 	hardcode_find_bmc();
 
-#ifdef CONFIG_DMI
-	dmi_find_bmc();
-#endif
+	/* 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);
+		return 0;
+	}
+	mutex_unlock(&smi_infos_lock);
 
-#ifdef CONFIG_ACPI
-	spmi_find_bmc();
+#ifdef CONFIG_PCI
+	rv = pci_register_driver(&ipmi_pci_driver);
+	if (rv)
+		printk(KERN_ERR PFX "Unable to register PCI driver: %d\n", rv);
 #endif
+
 #ifdef CONFIG_ACPI
 	pnp_register_driver(&ipmi_pnp_driver);
 #endif
 
-#ifdef CONFIG_PCI
-	rv = pci_register_driver(&ipmi_pci_driver);
-	if (rv)
-		printk(KERN_ERR
-		       "init_ipmi_si: Unable to register PCI driver: %d\n",
-		       rv);
+#ifdef CONFIG_DMI
+	dmi_find_bmc();
+#endif
+
+#ifdef CONFIG_ACPI
+	spmi_find_bmc();
 #endif
 
 #ifdef CONFIG_PPC_OF
 	of_register_platform_driver(&ipmi_of_platform_driver);
 #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
+	   try to register everything else of the same type */
+
+	mutex_lock(&smi_infos_lock);
+	list_for_each_entry(e, &smi_infos, link) {
+		/* Try to register a device if it has an IRQ and we either
+		   haven't successfully registered a device yet or this
+		   device has the same type as one we successfully registered */
+		if (e->irq && (!type || e->addr_source == type)) {
+			if (!try_smi_init(e)) {
+				type = e->addr_source;
+			}
+		}
+	}
+
+	/* type will only have been set if we successfully registered an si */
+	if (type) {
+		mutex_unlock(&smi_infos_lock);
+		return 0;
+	}
+
+	/* Fall back to the preferred device */
+
+	list_for_each_entry(e, &smi_infos, link) {
+		if (!e->irq && (!type || e->addr_source == type)) {
+			if (!try_smi_init(e)) {
+				type = e->addr_source;
+			}
+		}
+	}
+	mutex_unlock(&smi_infos_lock);
+
+	if (type)
+		return 0;
+
 	if (si_trydefaults) {
 		mutex_lock(&smi_infos_lock);
 		if (list_empty(&smi_infos)) {
 			/* No BMC was found, try defaults. */
 			mutex_unlock(&smi_infos_lock);
 			default_find_bmc();
-		} else {
+		} else
 			mutex_unlock(&smi_infos_lock);
-		}
 	}
 
 	mutex_lock(&smi_infos_lock);
@@ -3308,8 +3390,8 @@ static __devinit int init_ipmi_si(void)
 		of_unregister_platform_driver(&ipmi_of_platform_driver);
 #endif
 		driver_unregister(&ipmi_driver.driver);
-		printk(KERN_WARNING
-		       "ipmi_si: Unable to find any System Interface(s)\n");
+		printk(KERN_WARNING PFX
+		       "Unable to find any System Interface(s)\n");
 		return -ENODEV;
 	} else {
 		mutex_unlock(&smi_infos_lock);
@@ -3320,7 +3402,7 @@ module_init(init_ipmi_si);
 
 static void cleanup_one_si(struct smi_info *to_clean)
 {
-	int           rv;
+	int           rv = 0;
 	unsigned long flags;
 
 	if (!to_clean)
@@ -3364,14 +3446,16 @@ static void cleanup_one_si(struct smi_info *to_clean)
 		schedule_timeout_uninterruptible(1);
 	}
 
-	rv = ipmi_unregister_smi(to_clean->intf);
+	if (to_clean->intf)
+		rv = ipmi_unregister_smi(to_clean->intf);
+
 	if (rv) {
-		printk(KERN_ERR
-		       "ipmi_si: Unable to unregister device: errno=%d\n",
+		printk(KERN_ERR PFX "Unable to unregister device: errno=%d\n",
 		       rv);
 	}
 
-	to_clean->handlers->cleanup(to_clean->si_sm);
+	if (to_clean->handlers)
+		to_clean->handlers->cleanup(to_clean->si_sm);
 
 	kfree(to_clean->si_sm);
 
diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c
index fdd37543aa7..02abfddce45 100644
--- a/drivers/char/ppdev.c
+++ b/drivers/char/ppdev.c
@@ -287,12 +287,10 @@ static int register_device (int minor, struct pp_struct *pp)
 	char *name;
 	int fl;
 
-	name = kmalloc (strlen (CHRDEV) + 3, GFP_KERNEL);
+	name = kasprintf(GFP_KERNEL, CHRDEV "%x", minor);
 	if (name == NULL)
 		return -ENOMEM;
 
-	sprintf (name, CHRDEV "%x", minor);
-
 	port = parport_find_number (minor);
 	if (!port) {
 		printk (KERN_WARNING "%s: no associated port!\n", name);
diff --git a/drivers/char/ps3flash.c b/drivers/char/ps3flash.c
index 606048b72bc..85c004a518e 100644
--- a/drivers/char/ps3flash.c
+++ b/drivers/char/ps3flash.c
@@ -305,8 +305,7 @@ static int ps3flash_flush(struct file *file, fl_owner_t id)
 	return ps3flash_writeback(ps3flash_dev);
 }
 
-static int ps3flash_fsync(struct file *file, struct dentry *dentry,
-			  int datasync)
+static int ps3flash_fsync(struct file *file, int datasync)
 {
 	return ps3flash_writeback(ps3flash_dev);
 }
diff --git a/drivers/char/ramoops.c b/drivers/char/ramoops.c
new file mode 100644
index 00000000000..74f00b5ffa3
--- /dev/null
+++ b/drivers/char/ramoops.c
@@ -0,0 +1,162 @@
+/*
+ * RAM Oops/Panic logger
+ *
+ * Copyright (C) 2010 Marco Stornelli <marco.stornelli@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/kmsg_dump.h>
+#include <linux/time.h>
+#include <linux/io.h>
+#include <linux/ioport.h>
+
+#define RAMOOPS_KERNMSG_HDR "===="
+#define RAMOOPS_HEADER_SIZE   (5 + sizeof(struct timeval))
+
+#define RECORD_SIZE 4096
+
+static ulong mem_address;
+module_param(mem_address, ulong, 0400);
+MODULE_PARM_DESC(mem_address,
+		"start of reserved RAM used to store oops/panic logs");
+
+static ulong mem_size;
+module_param(mem_size, ulong, 0400);
+MODULE_PARM_DESC(mem_size,
+		"size of reserved RAM used to store oops/panic logs");
+
+static int dump_oops = 1;
+module_param(dump_oops, int, 0600);
+MODULE_PARM_DESC(dump_oops,
+		"set to 1 to dump oopses, 0 to only dump panics (default 1)");
+
+static struct ramoops_context {
+	struct kmsg_dumper dump;
+	void *virt_addr;
+	phys_addr_t phys_addr;
+	unsigned long size;
+	int count;
+	int max_count;
+} oops_cxt;
+
+static void ramoops_do_dump(struct kmsg_dumper *dumper,
+		enum kmsg_dump_reason reason, const char *s1, unsigned long l1,
+		const char *s2, unsigned long l2)
+{
+	struct ramoops_context *cxt = container_of(dumper,
+			struct ramoops_context, dump);
+	unsigned long s1_start, s2_start;
+	unsigned long l1_cpy, l2_cpy;
+	int res;
+	char *buf;
+	struct timeval timestamp;
+
+	/* Only dump oopses if dump_oops is set */
+	if (reason == KMSG_DUMP_OOPS && !dump_oops)
+		return;
+
+	buf = (char *)(cxt->virt_addr + (cxt->count * RECORD_SIZE));
+	memset(buf, '\0', RECORD_SIZE);
+	res = sprintf(buf, "%s", RAMOOPS_KERNMSG_HDR);
+	buf += res;
+	do_gettimeofday(&timestamp);
+	res = sprintf(buf, "%lu.%lu\n", (long)timestamp.tv_sec, (long)timestamp.tv_usec);
+	buf += res;
+
+	l2_cpy = min(l2, (unsigned long)(RECORD_SIZE - RAMOOPS_HEADER_SIZE));
+	l1_cpy = min(l1, (unsigned long)(RECORD_SIZE - RAMOOPS_HEADER_SIZE) - l2_cpy);
+
+	s2_start = l2 - l2_cpy;
+	s1_start = l1 - l1_cpy;
+
+	memcpy(buf, s1 + s1_start, l1_cpy);
+	memcpy(buf + l1_cpy, s2 + s2_start, l2_cpy);
+
+	cxt->count = (cxt->count + 1) % cxt->max_count;
+}
+
+static int __init ramoops_init(void)
+{
+	struct ramoops_context *cxt = &oops_cxt;
+	int err = -EINVAL;
+
+	if (!mem_size) {
+		printk(KERN_ERR "ramoops: invalid size specification");
+		goto fail3;
+	}
+
+	rounddown_pow_of_two(mem_size);
+
+	if (mem_size < RECORD_SIZE) {
+		printk(KERN_ERR "ramoops: size too small");
+		goto fail3;
+	}
+
+	cxt->max_count = mem_size / RECORD_SIZE;
+	cxt->count = 0;
+	cxt->size = mem_size;
+	cxt->phys_addr = mem_address;
+
+	if (!request_mem_region(cxt->phys_addr, cxt->size, "ramoops")) {
+		printk(KERN_ERR "ramoops: request mem region failed");
+		err = -EINVAL;
+		goto fail3;
+	}
+
+	cxt->virt_addr = ioremap(cxt->phys_addr,  cxt->size);
+	if (!cxt->virt_addr) {
+		printk(KERN_ERR "ramoops: ioremap failed");
+		goto fail2;
+	}
+
+	cxt->dump.dump = ramoops_do_dump;
+	err = kmsg_dump_register(&cxt->dump);
+	if (err) {
+		printk(KERN_ERR "ramoops: registering kmsg dumper failed");
+		goto fail1;
+	}
+
+	return 0;
+
+fail1:
+	iounmap(cxt->virt_addr);
+fail2:
+	release_mem_region(cxt->phys_addr, cxt->size);
+fail3:
+	return err;
+}
+
+static void __exit ramoops_exit(void)
+{
+	struct ramoops_context *cxt = &oops_cxt;
+
+	if (kmsg_dump_unregister(&cxt->dump) < 0)
+		printk(KERN_WARNING "ramoops: could not unregister kmsg_dumper");
+
+	iounmap(cxt->virt_addr);
+	release_mem_region(cxt->phys_addr, cxt->size);
+}
+
+
+module_init(ramoops_init);
+module_exit(ramoops_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Marco Stornelli <marco.stornelli@gmail.com>");
+MODULE_DESCRIPTION("RAM Oops/Panic logger/driver");
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index bd1d1164fec..7cdb6ee569c 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -3967,13 +3967,9 @@ static int con_font_set(struct vc_data *vc, struct console_font_op *op)
 	font.charcount = op->charcount;
 	font.height = op->height;
 	font.width = op->width;
-	font.data = kmalloc(size, GFP_KERNEL);
-	if (!font.data)
-		return -ENOMEM;
-	if (copy_from_user(font.data, op->data, size)) {
-		kfree(font.data);
-		return -EFAULT;
-	}
+	font.data = memdup_user(op->data, size);
+	if (IS_ERR(font.data))
+		return PTR_ERR(font.data);
 	acquire_console_sem();
 	if (vc->vc_sw->con_font_set)
 		rc = vc->vc_sw->con_font_set(vc, &font, op->flags);