Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

31 files changed, 1091 insertions, 262 deletions

diff --git a/drivers/char/drm/radeon_state.c b/drivers/char/drm/radeon_state.c
index 5bb2234a909..39a7f685e3f 100644
--- a/drivers/char/drm/radeon_state.c
+++ b/drivers/char/drm/radeon_state.c
@@ -175,6 +175,14 @@ static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t *
 		}
 		break;
 
+	case R200_EMIT_VAP_CTL:{
+			RING_LOCALS;
+			BEGIN_RING(2);
+			OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0);
+			ADVANCE_RING();
+		}
+		break;
+
 	case RADEON_EMIT_RB3D_COLORPITCH:
 	case RADEON_EMIT_RE_LINE_PATTERN:
 	case RADEON_EMIT_SE_LINE_WIDTH:
@@ -202,7 +210,6 @@ static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t *
 	case R200_EMIT_TCL_LIGHT_MODEL_CTL_0:
 	case R200_EMIT_TFACTOR_0:
 	case R200_EMIT_VTX_FMT_0:
-	case R200_EMIT_VAP_CTL:
 	case R200_EMIT_MATRIX_SELECT_0:
 	case R200_EMIT_TEX_PROC_CTL_2:
 	case R200_EMIT_TCL_UCP_VERT_BLEND_CTL:
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index ca2f538e549..613d67f1c7f 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -668,6 +668,7 @@ int khvcd(void *unused)
 	do {
 		poll_mask = 0;
 		hvc_kicked = 0;
+		try_to_freeze();
 		wmb();
 		if (cpus_empty(cpus_in_xmon)) {
 			spin_lock(&hvc_structs_lock);
diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index 56612a2dca6..017f755632a 100644
--- a/drivers/char/hvsi.c
+++ b/drivers/char/hvsi.c
@@ -311,7 +311,8 @@ static void hvsi_recv_control(struct hvsi_struct *hp, uint8_t *packet,
 				/* CD went away; no more connection */
 				pr_debug("hvsi%i: CD dropped\n", hp->index);
 				hp->mctrl &= TIOCM_CD;
-				if (!(hp->tty->flags & CLOCAL))
+				/* If userland hasn't done an open(2) yet, hp->tty is NULL. */
+				if (hp->tty && !(hp->tty->flags & CLOCAL))
 					*to_hangup = hp->tty;
 			}
 			break;
@@ -986,10 +987,7 @@ static void hvsi_write_worker(void *arg)
 		start_j = 0;
 #endif /* DEBUG */
 		wake_up_all(&hp->emptyq);
-		if (test_bit(TTY_DO_WRITE_WAKEUP, &hp->tty->flags)
-				&& hp->tty->ldisc.write_wakeup)
-			hp->tty->ldisc.write_wakeup(hp->tty);
-		wake_up_interruptible(&hp->tty->write_wait);
+		tty_wakeup(hp->tty);
 	}
 
 out:
@@ -1299,7 +1297,7 @@ static int __init hvsi_console_init(void)
 		hp->inbuf_end = hp->inbuf;
 		hp->state = HVSI_CLOSED;
 		hp->vtermno = *vtermno;
-		hp->virq = irq_create_mapping(NULL, irq[0], 0);
+		hp->virq = irq_create_mapping(NULL, irq[0]);
 		if (hp->virq == NO_IRQ) {
 			printk(KERN_ERR "%s: couldn't create irq mapping for 0x%x\n",
 				__FUNCTION__, irq[0]);
diff --git a/drivers/char/hw_random/geode-rng.c b/drivers/char/hw_random/geode-rng.c
index be61f22ee7b..d37ced0d132 100644
--- a/drivers/char/hw_random/geode-rng.c
+++ b/drivers/char/hw_random/geode-rng.c
@@ -107,10 +107,14 @@ found:
 	if (err) {
 		printk(KERN_ERR PFX "RNG registering failed (%d)\n",
 		       err);
-		goto out;
+		goto err_unmap;
 	}
 out:
 	return err;
+
+err_unmap:
+	iounmap(mem);
+	goto out;
 }
 
 static void __exit mod_exit(void)
diff --git a/drivers/char/hw_random/intel-rng.c b/drivers/char/hw_random/intel-rng.c
index 6594bd5645f..ccd7e710223 100644
--- a/drivers/char/hw_random/intel-rng.c
+++ b/drivers/char/hw_random/intel-rng.c
@@ -164,7 +164,7 @@ static int __init mod_init(void)
 	if (err) {
 		printk(KERN_ERR PFX "RNG registering failed (%d)\n",
 		       err);
-		goto out;
+		goto err_unmap;
 	}
 out:
 	return err;
diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c
index 819516b35a7..a01d796d1ee 100644
--- a/drivers/char/hw_random/omap-rng.c
+++ b/drivers/char/hw_random/omap-rng.c
@@ -25,12 +25,12 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/random.h>
+#include <linux/clk.h>
 #include <linux/err.h>
-#include <linux/device.h>
+#include <linux/platform_device.h>
 #include <linux/hw_random.h>
 
 #include <asm/io.h>
-#include <asm/hardware/clock.h>
 
 #define RNG_OUT_REG		0x00		/* Output register */
 #define RNG_STAT_REG		0x04		/* Status register
@@ -52,7 +52,7 @@
 
 static void __iomem *rng_base;
 static struct clk *rng_ick;
-static struct device *rng_dev;
+static struct platform_device *rng_dev;
 
 static u32 omap_rng_read_reg(int reg)
 {
@@ -83,9 +83,8 @@ static struct hwrng omap_rng_ops = {
 	.data_read	= omap_rng_data_read,
 };
 
-static int __init omap_rng_probe(struct device *dev)
+static int __init omap_rng_probe(struct platform_device *pdev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
 	struct resource *res, *mem;
 	int ret;
 
@@ -95,16 +94,14 @@ static int __init omap_rng_probe(struct device *dev)
 	 */
 	BUG_ON(rng_dev);
 
-    	if (cpu_is_omap24xx()) {
+	if (cpu_is_omap24xx()) {
 		rng_ick = clk_get(NULL, "rng_ick");
 		if (IS_ERR(rng_ick)) {
-			dev_err(dev, "Could not get rng_ick\n");
+			dev_err(&pdev->dev, "Could not get rng_ick\n");
 			ret = PTR_ERR(rng_ick);
 			return ret;
-		}
-		else {
-			clk_use(rng_ick);
-		}
+		} else
+			clk_enable(rng_ick);
 	}
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -117,7 +114,7 @@ static int __init omap_rng_probe(struct device *dev)
 	if (mem == NULL)
 		return -EBUSY;
 
-	dev_set_drvdata(dev, mem);
+	dev_set_drvdata(&pdev->dev, mem);
 	rng_base = (u32 __iomem *)io_p2v(res->start);
 
 	ret = hwrng_register(&omap_rng_ops);
@@ -127,25 +124,25 @@ static int __init omap_rng_probe(struct device *dev)
 		return ret;
 	}
 
-	dev_info(dev, "OMAP Random Number Generator ver. %02x\n",
+	dev_info(&pdev->dev, "OMAP Random Number Generator ver. %02x\n",
 		omap_rng_read_reg(RNG_REV_REG));
 	omap_rng_write_reg(RNG_MASK_REG, 0x1);
 
-	rng_dev = dev;
+	rng_dev = pdev;
 
 	return 0;
 }
 
-static int __exit omap_rng_remove(struct device *dev)
+static int __exit omap_rng_remove(struct platform_device *pdev)
 {
-	struct resource *mem = dev_get_drvdata(dev);
+	struct resource *mem = dev_get_drvdata(&pdev->dev);
 
 	hwrng_unregister(&omap_rng_ops);
 
 	omap_rng_write_reg(RNG_MASK_REG, 0x0);
 
 	if (cpu_is_omap24xx()) {
-		clk_unuse(rng_ick);
+		clk_disable(rng_ick);
 		clk_put(rng_ick);
 	}
 
@@ -157,18 +154,16 @@ static int __exit omap_rng_remove(struct device *dev)
 
 #ifdef CONFIG_PM
 
-static int omap_rng_suspend(struct device *dev, pm_message_t message, u32 level)
+static int omap_rng_suspend(struct platform_device *pdev, pm_message_t message)
 {
 	omap_rng_write_reg(RNG_MASK_REG, 0x0);
-
 	return 0;
 }
 
-static int omap_rng_resume(struct device *dev, pm_message_t message, u32 level)
+static int omap_rng_resume(struct platform_device *pdev)
 {
 	omap_rng_write_reg(RNG_MASK_REG, 0x1);
-
-	return 1;
+	return 0;
 }
 
 #else
@@ -179,9 +174,11 @@ static int omap_rng_resume(struct device *dev, pm_message_t message, u32 level)
 #endif
 
 
-static struct device_driver omap_rng_driver = {
-	.name		= "omap_rng",
-	.bus		= &platform_bus_type,
+static struct platform_driver omap_rng_driver = {
+	.driver = {
+		.name		= "omap_rng",
+		.owner		= THIS_MODULE,
+	},
 	.probe		= omap_rng_probe,
 	.remove		= __exit_p(omap_rng_remove),
 	.suspend	= omap_rng_suspend,
@@ -193,12 +190,12 @@ static int __init omap_rng_init(void)
 	if (!cpu_is_omap16xx() && !cpu_is_omap24xx())
 		return -ENODEV;
 
-	return driver_register(&omap_rng_driver);
+	return platform_driver_register(&omap_rng_driver);
 }
 
 static void __exit omap_rng_exit(void)
 {
-	driver_unregister(&omap_rng_driver);
+	platform_driver_unregister(&omap_rng_driver);
 }
 
 module_init(omap_rng_init);
diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c
index 518ece7ac65..7907ae88c2f 100644
--- a/drivers/char/ip2/ip2main.c
+++ b/drivers/char/ip2/ip2main.c
@@ -3186,3 +3186,10 @@ ip2trace (unsigned short pn, unsigned char cat, unsigned char label, unsigned lo
 
 
 MODULE_LICENSE("GPL");
+
+static struct pci_device_id ip2main_pci_tbl[] __devinitdata = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_COMPUTONE, PCI_DEVICE_ID_COMPUTONE_IP2EX) },
+	{ }
+};
+
+MODULE_DEVICE_TABLE(pci, ip2main_pci_tbl);
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 0aa5d608fe6..843d34c8627 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -3428,6 +3428,7 @@ struct ipmi_recv_msg *ipmi_alloc_recv_msg(void)
 
 	rv = kmalloc(sizeof(struct ipmi_recv_msg), GFP_ATOMIC);
 	if (rv) {
+		rv->user = NULL;
 		rv->done = free_recv_msg;
 		atomic_inc(&recv_msg_inuse_count);
 	}
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index f57eba0bf25..abca98beac1 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -402,10 +402,10 @@ static void handle_flags(struct smi_info *smi_info)
 			smi_info->curr_msg->data,
 			smi_info->curr_msg->data_size);
 		smi_info->si_state = SI_GETTING_EVENTS;
-	} else if (smi_info->msg_flags & OEM_DATA_AVAIL) {
-		if (smi_info->oem_data_avail_handler)
-			if (smi_info->oem_data_avail_handler(smi_info))
-				goto retry;
+	} else if (smi_info->msg_flags & OEM_DATA_AVAIL &&
+	           smi_info->oem_data_avail_handler) {
+		if (smi_info->oem_data_avail_handler(smi_info))
+			goto retry;
 	} else {
 		smi_info->si_state = SI_NORMAL;
 	}
@@ -2481,6 +2481,7 @@ static __devinit int init_ipmi_si(void)
 #ifdef CONFIG_PCI
 		pci_unregister_driver(&ipmi_pci_driver);
 #endif
+		driver_unregister(&ipmi_driver);
 		printk("ipmi_si: Unable to find any System Interface(s)\n");
 		return -ENODEV;
 	} else {
diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c
index bf2339c869e..ca234ce8004 100644
--- a/drivers/char/keyboard.c
+++ b/drivers/char/keyboard.c
@@ -1297,9 +1297,9 @@ static struct input_handle *kbd_connect(struct input_handler *handler,
 	if (i == BTN_MISC && !test_bit(EV_SND, dev->evbit))
 		return NULL;
 
-	if (!(handle = kmalloc(sizeof(struct input_handle), GFP_KERNEL)))
+	handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL);
+	if (!handle)
 		return NULL;
-	memset(handle, 0, sizeof(struct input_handle));
 
 	handle->dev = dev;
 	handle->handler = handler;
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index e97c32ceb79..917b2040266 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -95,7 +95,7 @@ static inline int valid_phys_addr_range(unsigned long addr, size_t count)
 	return 1;
 }
 
-static inline int valid_mmap_phys_addr_range(unsigned long addr, size_t size)
+static inline int valid_mmap_phys_addr_range(unsigned long pfn, size_t size)
 {
 	return 1;
 }
@@ -242,7 +242,7 @@ static int mmap_mem(struct file * file, struct vm_area_struct * vma)
 {
 	size_t size = vma->vm_end - vma->vm_start;
 
-	if (!valid_mmap_phys_addr_range(vma->vm_pgoff << PAGE_SHIFT, size))
+	if (!valid_mmap_phys_addr_range(vma->vm_pgoff, size))
 		return -EINVAL;
 
 	vma->vm_page_prot = phys_mem_access_prot(file, vma->vm_pgoff,
diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c
index 4ea7bd5f4f5..a369dd6877d 100644
--- a/drivers/char/moxa.c
+++ b/drivers/char/moxa.c
@@ -142,6 +142,7 @@ typedef struct _moxa_board_conf {
 
 static moxa_board_conf moxa_boards[MAX_BOARDS];
 static void __iomem *moxaBaseAddr[MAX_BOARDS];
+static int loadstat[MAX_BOARDS];
 
 struct moxa_str {
 	int type;
@@ -1688,6 +1689,8 @@ int MoxaDriverPoll(void)
 	if (moxaCard == 0)
 		return (-1);
 	for (card = 0; card < MAX_BOARDS; card++) {
+	        if (loadstat[card] == 0)
+			continue;
 		if ((ports = moxa_boards[card].numPorts) == 0)
 			continue;
 		if (readb(moxaIntPend[card]) == 0xff) {
@@ -2903,6 +2906,7 @@ static int moxaloadcode(int cardno, unsigned char __user *tmp, int len)
 		}
 		break;
 	}
+	loadstat[cardno] = 1;
 	return (0);
 }
 
@@ -2920,7 +2924,7 @@ static int moxaloadc218(int cardno, void __iomem *baseAddr, int len)
 	len1 = len >> 1;
 	ptr = (ushort *) moxaBuff;
 	for (i = 0; i < len1; i++)
-		usum += *(ptr + i);
+		usum += le16_to_cpu(*(ptr + i));
 	retry = 0;
 	do {
 		len1 = len >> 1;
@@ -2992,7 +2996,7 @@ static int moxaloadc320(int cardno, void __iomem *baseAddr, int len, int *numPor
 	wlen = len >> 1;
 	uptr = (ushort *) moxaBuff;
 	for (i = 0; i < wlen; i++)
-		usum += uptr[i];
+		usum += le16_to_cpu(uptr[i]);
 	retry = 0;
 	j = 0;
 	do {
diff --git a/drivers/char/nsc_gpio.c b/drivers/char/nsc_gpio.c
index 5b91e4e2564..7719bd75810 100644
--- a/drivers/char/nsc_gpio.c
+++ b/drivers/char/nsc_gpio.c
@@ -68,13 +68,11 @@ ssize_t nsc_gpio_write(struct file *file, const char __user *data,
 			amp->gpio_config(m, ~1, 0);
 			break;
 		case 'T':
-			dev_dbg(dev, "GPIO%d output is push pull\n",
-			       m);
+			dev_dbg(dev, "GPIO%d output is push pull\n", m);
 			amp->gpio_config(m, ~2, 2);
 			break;
 		case 't':
-			dev_dbg(dev, "GPIO%d output is open drain\n",
-			       m);
+			dev_dbg(dev, "GPIO%d output is open drain\n", m);
 			amp->gpio_config(m, ~2, 0);
 			break;
 		case 'P':
diff --git a/drivers/char/pc8736x_gpio.c b/drivers/char/pc8736x_gpio.c
index 4005ee0aa11..84e5a68635f 100644
--- a/drivers/char/pc8736x_gpio.c
+++ b/drivers/char/pc8736x_gpio.c
@@ -3,18 +3,18 @@
    National Semiconductor PC8736x GPIO driver.  Allows a user space
    process to play with the GPIO pins.
 
-   Copyright (c) 2005 Jim Cromie <jim.cromie@gmail.com>
+   Copyright (c) 2005,2006 Jim Cromie <jim.cromie@gmail.com>
 
    adapted from linux/drivers/char/scx200_gpio.c
    Copyright (c) 2001,2002 Christer Weinigel <wingel@nano-system.com>,
 */
 
-#include <linux/config.h>
 #include <linux/fs.h>
 #include <linux/module.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/cdev.h>
 #include <linux/io.h>
 #include <linux/ioport.h>
 #include <linux/mutex.h>
@@ -25,7 +25,7 @@
 #define DEVNAME "pc8736x_gpio"
 
 MODULE_AUTHOR("Jim Cromie <jim.cromie@gmail.com>");
-MODULE_DESCRIPTION("NatSemi PC-8736x GPIO Pin Driver");
+MODULE_DESCRIPTION("NatSemi/Winbond PC-8736x GPIO Pin Driver");
 MODULE_LICENSE("GPL");
 
 static int major;		/* default to dynamic major */
@@ -38,14 +38,14 @@ static u8 pc8736x_gpio_shadow[4];
 
 #define SIO_BASE1       0x2E	/* 1st command-reg to check */
 #define SIO_BASE2       0x4E	/* alt command-reg to check */
-#define SIO_BASE_OFFSET 0x20
 
 #define SIO_SID		0x20	/* SuperI/O ID Register */
 #define SIO_SID_VALUE	0xe9	/* Expected value in SuperI/O ID Register */
 
 #define SIO_CF1		0x21	/* chip config, bit0 is chip enable */
 
-#define PC8736X_GPIO_SIZE	16
+#define PC8736X_GPIO_RANGE	16 /* ioaddr range */
+#define PC8736X_GPIO_CT		32 /* minors matching 4 8 bit ports */
 
 #define SIO_UNIT_SEL	0x7	/* unit select reg */
 #define SIO_UNIT_ACT	0x30	/* unit enable */
@@ -212,14 +212,12 @@ static void pc8736x_gpio_change(unsigned index)
 	pc8736x_gpio_set(index, !pc8736x_gpio_current(index));
 }
 
-static struct nsc_gpio_ops pc8736x_access = {
+static struct nsc_gpio_ops pc8736x_gpio_ops = {
 	.owner		= THIS_MODULE,
 	.gpio_config	= pc8736x_gpio_configure,
 	.gpio_dump	= nsc_gpio_dump,
 	.gpio_get	= pc8736x_gpio_get,
 	.gpio_set	= pc8736x_gpio_set,
-	.gpio_set_high	= pc8736x_gpio_set_high,
-	.gpio_set_low	= pc8736x_gpio_set_low,
 	.gpio_change	= pc8736x_gpio_change,
 	.gpio_current	= pc8736x_gpio_current
 };
@@ -227,16 +225,16 @@ static struct nsc_gpio_ops pc8736x_access = {
 static int pc8736x_gpio_open(struct inode *inode, struct file *file)
 {
 	unsigned m = iminor(inode);
-	file->private_data = &pc8736x_access;
+	file->private_data = &pc8736x_gpio_ops;
 
 	dev_dbg(&pdev->dev, "open %d\n", m);
 
-	if (m > 63)
+	if (m >= PC8736X_GPIO_CT)
 		return -EINVAL;
 	return nonseekable_open(inode, file);
 }
 
-static const struct file_operations pc8736x_gpio_fops = {
+static const struct file_operations pc8736x_gpio_fileops = {
 	.owner	= THIS_MODULE,
 	.open	= pc8736x_gpio_open,
 	.write	= nsc_gpio_write,
@@ -255,9 +253,12 @@ static void __init pc8736x_init_shadow(void)
 
 }
 
+static struct cdev pc8736x_gpio_cdev;
+
 static int __init pc8736x_gpio_init(void)
 {
-	int rc = 0;
+	int rc;
+	dev_t devid;
 
 	pdev = platform_device_alloc(DEVNAME, 0);
 	if (!pdev)
@@ -275,7 +276,7 @@ static int __init pc8736x_gpio_init(void)
 		dev_err(&pdev->dev, "no device found\n");
 		goto undo_platform_dev_add;
 	}
-	pc8736x_access.dev = &pdev->dev;
+	pc8736x_gpio_ops.dev = &pdev->dev;
 
 	/* Verify that chip and it's GPIO unit are both enabled.
 	   My BIOS does this, so I take minimum action here
@@ -297,7 +298,7 @@ static int __init pc8736x_gpio_init(void)
 	pc8736x_gpio_base = (superio_inb(SIO_BASE_HADDR) << 8
 			     | superio_inb(SIO_BASE_LADDR));
 
-	if (!request_region(pc8736x_gpio_base, 16, DEVNAME)) {
+	if (!request_region(pc8736x_gpio_base, PC8736X_GPIO_RANGE, DEVNAME)) {
 		rc = -ENODEV;
 		dev_err(&pdev->dev, "GPIO ioport %x busy\n",
 			pc8736x_gpio_base);
@@ -305,10 +306,17 @@ static int __init pc8736x_gpio_init(void)
 	}
 	dev_info(&pdev->dev, "GPIO ioport %x reserved\n", pc8736x_gpio_base);
 
-	rc = register_chrdev(major, DEVNAME, &pc8736x_gpio_fops);
+	if (major) {
+		devid = MKDEV(major, 0);
+		rc = register_chrdev_region(devid, PC8736X_GPIO_CT, DEVNAME);
+	} else {
+		rc = alloc_chrdev_region(&devid, 0, PC8736X_GPIO_CT, DEVNAME);
+		major = MAJOR(devid);
+	}
+
 	if (rc < 0) {
 		dev_err(&pdev->dev, "register-chrdev failed: %d\n", rc);
-		goto undo_platform_dev_add;
+		goto undo_request_region;
 	}
 	if (!major) {
 		major = rc;
@@ -316,8 +324,15 @@ static int __init pc8736x_gpio_init(void)
 	}
 
 	pc8736x_init_shadow();
+
+	/* ignore minor errs, and succeed */
+	cdev_init(&pc8736x_gpio_cdev, &pc8736x_gpio_fileops);
+	cdev_add(&pc8736x_gpio_cdev, devid, PC8736X_GPIO_CT);
+
 	return 0;
 
+undo_request_region:
+	release_region(pc8736x_gpio_base, PC8736X_GPIO_RANGE);
 undo_platform_dev_add:
 	platform_device_del(pdev);
 undo_platform_dev_alloc:
@@ -328,14 +343,15 @@ undo_platform_dev_alloc:
 
 static void __exit pc8736x_gpio_cleanup(void)
 {
-	dev_dbg(&pdev->dev, " cleanup\n");
+	dev_dbg(&pdev->dev, "cleanup\n");
 
-	release_region(pc8736x_gpio_base, 16);
+	cdev_del(&pc8736x_gpio_cdev);
+	unregister_chrdev_region(MKDEV(major,0), PC8736X_GPIO_CT);
+	release_region(pc8736x_gpio_base, PC8736X_GPIO_RANGE);
 
-	unregister_chrdev(major, DEVNAME);
+	platform_device_del(pdev);
+	platform_device_put(pdev);
 }
 
-EXPORT_SYMBOL(pc8736x_access);
-
 module_init(pc8736x_gpio_init);
 module_exit(pc8736x_gpio_cleanup);
diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index 17bc8abd5df..00f574cbb0d 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -1174,8 +1174,12 @@ static void dcd_change(MGSLPC_INFO *info)
 	else
 		info->input_signal_events.dcd_down++;
 #ifdef CONFIG_HDLC
-	if (info->netcount)
-		hdlc_set_carrier(info->serial_signals & SerialSignal_DCD, info->netdev);
+	if (info->netcount) {
+		if (info->serial_signals & SerialSignal_DCD)
+			netif_carrier_on(info->netdev);
+		else
+			netif_carrier_off(info->netdev);
+	}
 #endif
 	wake_up_interruptible(&info->status_event_wait_q);
 	wake_up_interruptible(&info->event_wait_q);
@@ -4251,8 +4255,10 @@ static int hdlcdev_open(struct net_device *dev)
 	spin_lock_irqsave(&info->lock, flags);
 	get_signals(info);
 	spin_unlock_irqrestore(&info->lock, flags);
-	hdlc_set_carrier(info->serial_signals & SerialSignal_DCD, dev);
-
+	if (info->serial_signals & SerialSignal_DCD)
+		netif_carrier_on(dev);
+	else
+		netif_carrier_off(dev);
 	return 0;
 }
 
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index cc7bd1a3095..6e6a7c7a7ef 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -46,13 +46,12 @@
  *      1.11a   Daniele Bellucci: Audit create_proc_read_entry in rtc_init
  *	1.12	Venkatesh Pallipadi: Hooks for emulating rtc on HPET base-timer
  *		CONFIG_HPET_EMULATE_RTC
+ *	1.12a	Maciej W. Rozycki: Handle memory-mapped chips properly.
  *	1.12ac	Alan Cox: Allow read access to the day of week register
  */
 
 #define RTC_VERSION		"1.12ac"
 
-#define RTC_IO_EXTENT	0x8
-
 /*
  *	Note that *all* calls to CMOS_READ and CMOS_WRITE are done with
  *	interrupts disabled. Due to the index-port/data-port (0x70/0x71)
@@ -337,7 +336,15 @@ static ssize_t rtc_read(struct file *file, char __user *buf,
 	if (rtc_has_irq == 0)
 		return -EIO;
 
-	if (count < sizeof(unsigned))
+	/*
+	 * Historically this function used to assume that sizeof(unsigned long)
+	 * is the same in userspace and kernelspace.  This lead to problems
+	 * for configurations with multiple ABIs such a the MIPS o32 and 64
+	 * ABIs supported on the same kernel.  So now we support read of both
+	 * 4 and 8 bytes and assume that's the sizeof(unsigned long) in the
+	 * userspace ABI.
+	 */
+	if (count != sizeof(unsigned int) && count !=  sizeof(unsigned long))
 		return -EINVAL;
 
 	add_wait_queue(&rtc_wait, &wait);
@@ -368,10 +375,12 @@ static ssize_t rtc_read(struct file *file, char __user *buf,
 		schedule();
 	} while (1);
 
-	if (count < sizeof(unsigned long))
-		retval = put_user(data, (unsigned int __user *)buf) ?: sizeof(int); 
+	if (count == sizeof(unsigned int))
+		retval = put_user(data, (unsigned int __user *)buf) ?: sizeof(int);
 	else
 		retval = put_user(data, (unsigned long __user *)buf) ?: sizeof(long);
+	if (!retval)
+		retval = count;
  out:
 	current->state = TASK_RUNNING;
 	remove_wait_queue(&rtc_wait, &wait);
@@ -923,6 +932,9 @@ static int __init rtc_init(void)
 	struct sparc_isa_device *isa_dev;
 #endif
 #endif
+#ifndef __sparc__
+	void *r;
+#endif
 
 #ifdef __sparc__
 	for_each_ebus(ebus) {
@@ -964,8 +976,13 @@ found:
 	}
 no_irq:
 #else
-	if (!request_region(RTC_PORT(0), RTC_IO_EXTENT, "rtc")) {
-		printk(KERN_ERR "rtc: I/O port %d is not free.\n", RTC_PORT (0));
+	if (RTC_IOMAPPED)
+		r = request_region(RTC_PORT(0), RTC_IO_EXTENT, "rtc");
+	else
+		r = request_mem_region(RTC_PORT(0), RTC_IO_EXTENT, "rtc");
+	if (!r) {
+		printk(KERN_ERR "rtc: I/O resource %lx is not free.\n",
+		       (long)(RTC_PORT(0)));
 		return -EIO;
 	}
 
@@ -979,7 +996,10 @@ no_irq:
 	if(request_irq(RTC_IRQ, rtc_int_handler_ptr, IRQF_DISABLED, "rtc", NULL)) {
 		/* Yeah right, seeing as irq 8 doesn't even hit the bus. */
 		printk(KERN_ERR "rtc: IRQ %d is not free.\n", RTC_IRQ);
-		release_region(RTC_PORT(0), RTC_IO_EXTENT);
+		if (RTC_IOMAPPED)
+			release_region(RTC_PORT(0), RTC_IO_EXTENT);
+		else
+			release_mem_region(RTC_PORT(0), RTC_IO_EXTENT);
 		return -EIO;
 	}
 	hpet_rtc_timer_init();
@@ -1079,7 +1099,10 @@ static void __exit rtc_exit (void)
 	if (rtc_has_irq)
 		free_irq (rtc_irq, &rtc_port);
 #else
-	release_region (RTC_PORT (0), RTC_IO_EXTENT);
+	if (RTC_IOMAPPED)
+		release_region(RTC_PORT(0), RTC_IO_EXTENT);
+	else
+		release_mem_region(RTC_PORT(0), RTC_IO_EXTENT);
 #ifdef RTC_IRQ
 	if (rtc_has_irq)
 		free_irq (RTC_IRQ, NULL);
@@ -1222,7 +1245,7 @@ static int rtc_proc_open(struct inode *inode, struct file *file)
 
 void rtc_get_rtc_time(struct rtc_time *rtc_tm)
 {
-	unsigned long uip_watchdog = jiffies;
+	unsigned long uip_watchdog = jiffies, flags;
 	unsigned char ctrl;
 #ifdef CONFIG_MACH_DECSTATION
 	unsigned int real_year;
@@ -1249,7 +1272,7 @@ void rtc_get_rtc_time(struct rtc_time *rtc_tm)
 	 * RTC has RTC_DAY_OF_WEEK, we should usually ignore it, as it is
 	 * only updated by the RTC when initially set to a non-zero value.
 	 */
-	spin_lock_irq(&rtc_lock);
+	spin_lock_irqsave(&rtc_lock, flags);
 	rtc_tm->tm_sec = CMOS_READ(RTC_SECONDS);
 	rtc_tm->tm_min = CMOS_READ(RTC_MINUTES);
 	rtc_tm->tm_hour = CMOS_READ(RTC_HOURS);
@@ -1263,7 +1286,7 @@ void rtc_get_rtc_time(struct rtc_time *rtc_tm)
 	real_year = CMOS_READ(RTC_DEC_YEAR);
 #endif
 	ctrl = CMOS_READ(RTC_CONTROL);
-	spin_unlock_irq(&rtc_lock);
+	spin_unlock_irqrestore(&rtc_lock, flags);
 
 	if (!(ctrl & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
 	{
diff --git a/drivers/char/scx200_gpio.c b/drivers/char/scx200_gpio.c
index 425c58719db..b956c7babd1 100644
--- a/drivers/char/scx200_gpio.c
+++ b/drivers/char/scx200_gpio.c
@@ -5,7 +5,6 @@
 
    Copyright (c) 2001,2002 Christer Weinigel <wingel@nano-system.com> */
 
-#include <linux/config.h>
 #include <linux/device.h>
 #include <linux/fs.h>
 #include <linux/module.h>
@@ -22,37 +21,37 @@
 #include <linux/scx200_gpio.h>
 #include <linux/nsc_gpio.h>
 
-#define NAME "scx200_gpio"
-#define DEVNAME NAME
+#define DRVNAME "scx200_gpio"
 
 static struct platform_device *pdev;
 
 MODULE_AUTHOR("Christer Weinigel <wingel@nano-system.com>");
-MODULE_DESCRIPTION("NatSemi SCx200 GPIO Pin Driver");
+MODULE_DESCRIPTION("NatSemi/AMD SCx200 GPIO Pin Driver");
 MODULE_LICENSE("GPL");
 
 static int major = 0;		/* default to dynamic major */
 module_param(major, int, 0);
 MODULE_PARM_DESC(major, "Major device number");
 
-struct nsc_gpio_ops scx200_access = {
+#define MAX_PINS 32		/* 64 later, when known ok */
+
+struct nsc_gpio_ops scx200_gpio_ops = {
 	.owner		= THIS_MODULE,
 	.gpio_config	= scx200_gpio_configure,
 	.gpio_dump	= nsc_gpio_dump,
 	.gpio_get	= scx200_gpio_get,
 	.gpio_set	= scx200_gpio_set,
-	.gpio_set_high	= scx200_gpio_set_high,
-	.gpio_set_low	= scx200_gpio_set_low,
 	.gpio_change	= scx200_gpio_change,
 	.gpio_current	=