7 files changed, 82 insertions, 39 deletions

diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index 56612a2dca6b..41db8060e8f7 100644
--- a/drivers/char/hvsi.c
+++ b/drivers/char/hvsi.c
@@ -1299,7 +1299,7 @@ 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/ip2/ip2main.c b/drivers/char/ip2/ip2main.c
index 518ece7ac656..7907ae88c2f4 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/mem.c b/drivers/char/mem.c
index e97c32ceb796..917b20402664 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/pc8736x_gpio.c b/drivers/char/pc8736x_gpio.c
index 4005ee0aa11e..11bd78c80628 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 */
@@ -231,7 +231,7 @@ static int pc8736x_gpio_open(struct inode *inode, struct file *file)
 
         dev_dbg(&pdev->dev, "open %d\n", m);
 
-        if (m > 63)
+        if (m >= PC8736X_GPIO_CT)
                 return -EINVAL;
         return nonseekable_open(inode, file);
 }
@@ -255,9 +255,12 @@ 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)
@@ -297,7 +300,7 @@ 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 +308,17 @@ 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 +326,15 @@ static int __init pc8736x_gpio_init(void)
         }
 
         pc8736x_init_shadow();
+
+        /* ignore minor errs, and succeed */
+        cdev_init(&pc8736x_gpio_cdev, &pc8736x_gpio_fops);
+        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:
@@ -328,11 +345,14 @@ 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);
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index cc7bd1a3095b..6ccc364c08df 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);
diff --git a/drivers/char/snsc_event.c b/drivers/char/snsc_event.c
index 8b2210b633df..d12d4f629cec 100644
--- a/drivers/char/snsc_event.c
+++ b/drivers/char/snsc_event.c
@@ -220,20 +220,7 @@ scdrv_dispatch_event(char *event, int len)
                                " Sending SIGPWR to init...\n");
 
                 /* give a SIGPWR signal to init proc */
-
-                /* first find init's task */
-                read_lock(&tasklist_lock);
-                for_each_process(p) {
-                        if (p->pid == 1)
-                                break;
-                }
-                if (p) {
-                        force_sig(SIGPWR, p);
-                } else {
-                        printk(KERN_ERR "Failed to signal init!\n");
-                        snsc_shutting_down = 0; /* so can try again (?) */
-                }
-                read_unlock(&tasklist_lock);
+                kill_proc(1, SIGPWR, 0);
         } else {
                 /* print to system log */
                 printk("%s|$(0x%x)%s\n", severity, esp_code, desc);
diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c
index cb2859249d49..a1d303f9a33d 100644
--- a/drivers/char/specialix.c
+++ b/drivers/char/specialix.c
@@ -2584,6 +2584,12 @@ static void __exit specialix_exit_module(void)
         func_exit();
 }
 
+static struct pci_device_id specialx_pci_tbl[] __devinitdata = {
+        { PCI_DEVICE(PCI_VENDOR_ID_SPECIALIX, PCI_DEVICE_ID_SPECIALIX_IO8) },
+        { }
+};
+MODULE_DEVICE_TABLE(pci, specialx_pci_tbl);
+
 module_init(specialix_init_module);
 module_exit(specialix_exit_module);