13 files changed, 323 insertions, 85 deletions

diff --git a/drivers/char/.gitignore b/drivers/char/.gitignore
new file mode 100644
index 000000000000..2b6b1d772ed7
--- /dev/null
+++ b/drivers/char/.gitignore
@@ -0,0 +1,3 @@
+consolemap_deftbl.c
+defkeymap.c
+
diff --git a/drivers/char/drm/drm_stub.c b/drivers/char/drm/drm_stub.c
index 95a976c96eb8..70458cb061c6 100644
--- a/drivers/char/drm/drm_stub.c
+++ b/drivers/char/drm/drm_stub.c
@@ -47,7 +47,7 @@ MODULE_PARM_DESC(cards_limit, "Maximum number of graphics cards");
 MODULE_PARM_DESC(debug, "Enable debug output");
 
 module_param_named(cards_limit, drm_cards_limit, int, 0444);
-module_param_named(debug, drm_debug, int, 0666);
+module_param_named(debug, drm_debug, int, 0600);
 
 drm_head_t **drm_heads;
 struct drm_sysfs_class *drm_class;
diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c
index ced4215e2275..39ea96e42c5b 100644
--- a/drivers/char/drm/drm_vm.c
+++ b/drivers/char/drm/drm_vm.c
@@ -148,7 +148,8 @@ static __inline__ struct page *drm_do_vm_shm_nopage(struct vm_area_struct *vma,
 
         offset   = address - vma->vm_start;
         i = (unsigned long)map->handle + offset;
-        page = vmalloc_to_page((void *)i);
+        page = (map->type == _DRM_CONSISTENT) ?
+                virt_to_page((void *)i) : vmalloc_to_page((void *)i);
         if (!page)
                 return NOPAGE_OOM;
         get_page(page);
diff --git a/drivers/char/drm/mga_dma.c b/drivers/char/drm/mga_dma.c
index fc7d4a594bca..c8e1b6c83636 100644
--- a/drivers/char/drm/mga_dma.c
+++ b/drivers/char/drm/mga_dma.c
@@ -437,7 +437,7 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev,
                                     drm_mga_dma_bootstrap_t * dma_bs)
 {
         drm_mga_private_t * const dev_priv = (drm_mga_private_t *) dev->dev_private;
-        const unsigned int warp_size = mga_warp_microcode_size(dev_priv);
+        unsigned int warp_size = mga_warp_microcode_size(dev_priv);
         int err;
         unsigned  offset;
         const unsigned secondary_size = dma_bs->secondary_bin_count
@@ -499,6 +499,12 @@ static int mga_do_agp_dma_bootstrap(drm_device_t * dev,
                 return err;
         }
 
+        /* Make drm_addbufs happy by not trying to create a mapping for less
+         * than a page.
+         */
+        if (warp_size < PAGE_SIZE)
+                warp_size = PAGE_SIZE;
+
         offset = 0;
         err = drm_addmap( dev, offset, warp_size,
                           _DRM_AGP, _DRM_READ_ONLY, & dev_priv->warp );
@@ -587,7 +593,7 @@ static int mga_do_pci_dma_bootstrap(drm_device_t * dev,
                                     drm_mga_dma_bootstrap_t * dma_bs)
 {
         drm_mga_private_t * const dev_priv = (drm_mga_private_t *) dev->dev_private;
-        const unsigned int warp_size = mga_warp_microcode_size(dev_priv);
+        unsigned int warp_size = mga_warp_microcode_size(dev_priv);
         unsigned int primary_size;
         unsigned int bin_count;
         int err;
@@ -599,6 +605,12 @@ static int mga_do_pci_dma_bootstrap(drm_device_t * dev,
                 return DRM_ERR(EFAULT);
         }
 
+        /* Make drm_addbufs happy by not trying to create a mapping for less
+         * than a page.
+         */
+        if (warp_size < PAGE_SIZE)
+                warp_size = PAGE_SIZE;
+
         /* The proper alignment is 0x100 for this mapping */
         err = drm_addmap(dev, 0, warp_size, _DRM_CONSISTENT,
                          _DRM_READ_ONLY, &dev_priv->warp);
@@ -812,6 +824,10 @@ static int mga_do_init_dma( drm_device_t *dev, drm_mga_init_t *init )
         }
 
         if (! dev_priv->used_new_dma_init) {
+
+                dev_priv->dma_access = MGA_PAGPXFER;
+                dev_priv->wagp_enable = MGA_WAGP_ENABLE;
+
                 dev_priv->status = drm_core_findmap(dev, init->status_offset);
                 if (!dev_priv->status) {
                         DRM_ERROR("failed to find status page!\n");
@@ -928,7 +944,7 @@ static int mga_do_cleanup_dma( drm_device_t *dev )
                 drm_mga_private_t *dev_priv = dev->dev_private;
 
                 if ((dev_priv->warp != NULL) 
-                    && (dev_priv->mmio->type != _DRM_CONSISTENT))
+                    && (dev_priv->warp->type != _DRM_CONSISTENT))
                         drm_core_ioremapfree(dev_priv->warp, dev);
 
                 if ((dev_priv->primary != NULL) 
diff --git a/drivers/char/drm/mga_drv.h b/drivers/char/drm/mga_drv.h
index b22fdbd4f830..6059c5a5b105 100644
--- a/drivers/char/drm/mga_drv.h
+++ b/drivers/char/drm/mga_drv.h
@@ -227,7 +227,7 @@ static inline u32 _MGA_READ(u32 *addr)
 #define MGA_EMIT_STATE( dev_priv, dirty )                               \
 do {                                                                    \
         if ( (dirty) & ~MGA_UPLOAD_CLIPRECTS ) {                        \
-                if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) {        \
+                if ( dev_priv->chipset >= MGA_CARD_TYPE_G400 ) {        \
                         mga_g400_emit_state( dev_priv );                \
                 } else {                                                \
                         mga_g200_emit_state( dev_priv );                \
diff --git a/drivers/char/drm/mga_state.c b/drivers/char/drm/mga_state.c
index 05bbb4719376..6ac5e006226f 100644
--- a/drivers/char/drm/mga_state.c
+++ b/drivers/char/drm/mga_state.c
@@ -53,7 +53,7 @@ static void mga_emit_clip_rect( drm_mga_private_t *dev_priv,
 
         /* Force reset of DWGCTL on G400 (eliminates clip disable bit).
          */
-        if (dev_priv->chipset == MGA_CARD_TYPE_G400) {
+        if (dev_priv->chipset >= MGA_CARD_TYPE_G400) {
                 DMA_BLOCK(MGA_DWGCTL, ctx->dwgctl,
                           MGA_LEN + MGA_EXEC, 0x80000000,
                           MGA_DWGCTL, ctx->dwgctl,
diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c
index 6d9080a3ca7e..12ef13ff04ca 100644
--- a/drivers/char/drm/radeon_cp.c
+++ b/drivers/char/drm/radeon_cp.c
@@ -1133,10 +1133,10 @@ static void radeon_cp_init_ring_buffer( drm_device_t *dev,
                 ring_start = (dev_priv->cp_ring->offset
                               - dev->agp->base
                               + dev_priv->gart_vm_start);
-       } else
+        } else
 #endif
                 ring_start = (dev_priv->cp_ring->offset
-                              - dev->sg->handle
+                              - (unsigned long)dev->sg->virtual
                               + dev_priv->gart_vm_start);
 
         RADEON_WRITE( RADEON_CP_RB_BASE, ring_start );
@@ -1164,7 +1164,8 @@ static void radeon_cp_init_ring_buffer( drm_device_t *dev,
                 drm_sg_mem_t *entry = dev->sg;
                 unsigned long tmp_ofs, page_ofs;
 
-                tmp_ofs = dev_priv->ring_rptr->offset - dev->sg->handle;
+                tmp_ofs = dev_priv->ring_rptr->offset -
+                                (unsigned long)dev->sg->virtual;
                 page_ofs = tmp_ofs >> PAGE_SHIFT;
 
                 RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR,
@@ -1491,8 +1492,8 @@ static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init )
         else
 #endif
                 dev_priv->gart_buffers_offset = (dev->agp_buffer_map->offset
-                                                - dev->sg->handle
-                                                + dev_priv->gart_vm_start);
+                                        - (unsigned long)dev->sg->virtual
+                                        + dev_priv->gart_vm_start);
 
         DRM_DEBUG( "dev_priv->gart_size %d\n",
                    dev_priv->gart_size );
diff --git a/drivers/char/mbcs.c b/drivers/char/mbcs.c
index 3fa64c631108..c268ee04b2aa 100644
--- a/drivers/char/mbcs.c
+++ b/drivers/char/mbcs.c
@@ -830,6 +830,9 @@ static int __init mbcs_init(void)
 {
         int rv;
 
+        if (!ia64_platform_is("sn2"))
+                return -ENODEV;
+
         // Put driver into chrdevs[].  Get major number.
         rv = register_chrdev(mbcs_major, DEVICE_NAME, &mbcs_ops);
         if (rv < 0) {
diff --git a/drivers/char/n_r3964.c b/drivers/char/n_r3964.c
index 97d6dc24b800..853c98cee64f 100644
--- a/drivers/char/n_r3964.c
+++ b/drivers/char/n_r3964.c
@@ -695,7 +695,7 @@ static void receive_char(struct r3964_info *pInfo, const unsigned char c)
             {
                TRACE_PE("IDLE - got STX but no space in rx_queue!");
                pInfo->state=R3964_WAIT_FOR_RX_BUF;
-               mod_timer(&pInfo->tmr, R3964_TO_NO_BUF);
+               mod_timer(&pInfo->tmr, jiffies + R3964_TO_NO_BUF);
                break;
             }
 start_receiving:
@@ -705,7 +705,7 @@ start_receiving:
             pInfo->last_rx = 0;
             pInfo->flags &= ~R3964_ERROR;
             pInfo->state=R3964_RECEIVING;
-            mod_timer(&pInfo->tmr, R3964_TO_ZVZ);
+            mod_timer(&pInfo->tmr, jiffies + R3964_TO_ZVZ);
             pInfo->nRetry = 0;
             put_char(pInfo, DLE);
             flush(pInfo);
@@ -732,7 +732,7 @@ start_receiving:
                if(pInfo->flags & R3964_BCC)
                {
                   pInfo->state = R3964_WAIT_FOR_BCC;
-                  mod_timer(&pInfo->tmr, R3964_TO_ZVZ);
+                  mod_timer(&pInfo->tmr, jiffies + R3964_TO_ZVZ);
                }
                else 
                {
@@ -744,7 +744,7 @@ start_receiving:
                pInfo->last_rx = c;
 char_to_buf:
                pInfo->rx_buf[pInfo->rx_position++] = c;
-               mod_timer(&pInfo->tmr, R3964_TO_ZVZ);
+               mod_timer(&pInfo->tmr, jiffies + R3964_TO_ZVZ);
             }
          }
         /* else: overflow-msg? BUF_SIZE>MTU; should not happen? */ 
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c
index c9bdf544ed2c..c556f4d3ccd7 100644
--- a/drivers/char/n_tty.c
+++ b/drivers/char/n_tty.c
@@ -62,7 +62,7 @@
 
 static inline unsigned char *alloc_buf(void)
 {
-        unsigned int prio = in_interrupt() ? GFP_ATOMIC : GFP_KERNEL;
+        gfp_t prio = in_interrupt() ? GFP_ATOMIC : GFP_KERNEL;
 
         if (PAGE_SIZE != N_TTY_BUF_SIZE)
                 return kmalloc(N_TTY_BUF_SIZE, prio);
diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c
index 1af733d07321..9e24bbd4090c 100644
--- a/drivers/char/nvram.c
+++ b/drivers/char/nvram.c
@@ -32,9 +32,11 @@
  *              added changelog
  *      1.2     Erik Gilling: Cobalt Networks support
  *              Tim Hockin: general cleanup, Cobalt support
+ *      1.3     Jon Ringle: Comdial MP1000 support
+ *
  */
 
-#define NVRAM_VERSION   "1.2"
+#define NVRAM_VERSION   "1.3"
 
 #include <linux/module.h>
 #include <linux/config.h>
@@ -45,6 +47,7 @@
 #define PC              1
 #define ATARI           2
 #define COBALT          3
+#define MP1000          4
 
 /* select machine configuration */
 #if defined(CONFIG_ATARI)
@@ -54,6 +57,9 @@
 #  if defined(CONFIG_COBALT)
 #    include <linux/cobalt-nvram.h>
 #    define MACH COBALT
+#  elif defined(CONFIG_MACH_MP1000)
+#    undef MACH
+#    define MACH MP1000
 #  else
 #    define MACH PC
 #  endif
@@ -112,6 +118,23 @@
 
 #endif
 
+#if MACH == MP1000
+
+/* RTC in a MP1000 */
+#define CHECK_DRIVER_INIT()     1
+
+#define MP1000_CKS_RANGE_START  0
+#define MP1000_CKS_RANGE_END    111
+#define MP1000_CKS_LOC          112
+
+#define NVRAM_BYTES             (128-NVRAM_FIRST_BYTE)
+
+#define mach_check_checksum     mp1000_check_checksum
+#define mach_set_checksum       mp1000_set_checksum
+#define mach_proc_infos         mp1000_proc_infos
+
+#endif
+
 /* Note that *all* calls to CMOS_READ and CMOS_WRITE must be done with
  * rtc_lock held. Due to the index-port/data-port design of the RTC, we
  * don't want two different things trying to get to it at once. (e.g. the
@@ -915,6 +938,91 @@ atari_proc_infos(unsigned char *nvram, char *buffer, int *len,
 
 #endif /* MACH == ATARI */
 
+#if MACH == MP1000
+
+static int
+mp1000_check_checksum(void)
+{
+        int i;
+        unsigned short sum = 0;
+        unsigned short expect;
+
+        for (i = MP1000_CKS_RANGE_START; i <= MP1000_CKS_RANGE_END; ++i)
+                sum += __nvram_read_byte(i);
+
+        expect = __nvram_read_byte(MP1000_CKS_LOC+1)<<8 |
+            __nvram_read_byte(MP1000_CKS_LOC);
+        return ((sum & 0xffff) == expect);
+}
+
+static void
+mp1000_set_checksum(void)
+{
+        int i;
+        unsigned short sum = 0;
+
+        for (i = MP1000_CKS_RANGE_START; i <= MP1000_CKS_RANGE_END; ++i)
+                sum += __nvram_read_byte(i);
+        __nvram_write_byte(sum >> 8, MP1000_CKS_LOC + 1);
+        __nvram_write_byte(sum & 0xff, MP1000_CKS_LOC);
+}
+
+#ifdef CONFIG_PROC_FS
+
+#define         SERVER_N_LEN         32
+#define         PATH_N_LEN           32
+#define         FILE_N_LEN           32
+#define         NVRAM_MAGIC_SIG      0xdead
+
+typedef struct NvRamImage
+{
+        unsigned short int    magic;
+        unsigned short int    mode;
+        char                  fname[FILE_N_LEN];
+        char                  path[PATH_N_LEN];
+        char                  server[SERVER_N_LEN];
+        char                  pad[12];
+} NvRam;
+
+static int
+mp1000_proc_infos(unsigned char *nvram, char *buffer, int *len,
+    off_t *begin, off_t offset, int size)
+{
+        int checksum;
+        NvRam* nv = (NvRam*)nvram;
+
+        spin_lock_irq(&rtc_lock);
+        checksum = __nvram_check_checksum();
+        spin_unlock_irq(&rtc_lock);
+
+        PRINT_PROC("Checksum status: %svalid\n", checksum ? "" : "not ");
+
+        switch( nv->mode )
+        {
+           case 0 :
+                    PRINT_PROC( "\tMode 0, tftp prompt\n" );
+                    break;
+           case 1 :
+                    PRINT_PROC( "\tMode 1, booting from disk\n" );
+                    break;
+           case 2 :
+                    PRINT_PROC( "\tMode 2, Alternate boot from disk /boot/%s\n", nv->fname );
+                    break;
+           case 3 :
+                    PRINT_PROC( "\tMode 3, Booting from net:\n" );
+                    PRINT_PROC( "\t\t%s:%s%s\n",nv->server, nv->path, nv->fname );
+                    break;
+           default:
+                    PRINT_PROC( "\tInconsistant nvram?\n" );
+                    break;
+        }
+
+        return 1;
+}
+#endif
+
+#endif /* MACH == MP1000 */
+
 MODULE_LICENSE("GPL");
 
 EXPORT_SYMBOL(__nvram_read_byte);
diff --git a/drivers/char/s3c2410-rtc.c b/drivers/char/s3c2410-rtc.c
index ed867db550a9..e1a90d9a8756 100644
--- a/drivers/char/s3c2410-rtc.c
+++ b/drivers/char/s3c2410-rtc.c
@@ -564,6 +564,7 @@ static int s3c2410_rtc_resume(struct device *dev, u32 level)
 
 static struct device_driver s3c2410_rtcdrv = {
         .name           = "s3c2410-rtc",
+        .owner          = THIS_MODULE,
         .bus            = &platform_bus_type,
         .probe          = s3c2410_rtc_probe,
         .remove         = s3c2410_rtc_remove,
diff --git a/drivers/char/watchdog/pcwd_pci.c b/drivers/char/watchdog/pcwd_pci.c
index 5a80adbf8032..0b8e493be045 100644
--- a/drivers/char/watchdog/pcwd_pci.c
+++ b/drivers/char/watchdog/pcwd_pci.c
@@ -50,8 +50,8 @@
 #include <asm/io.h>             /* For inb/outb/... */
 
 /* Module and version information */
-#define WATCHDOG_VERSION "1.01"
-#define WATCHDOG_DATE "02 Sep 2005"
+#define WATCHDOG_VERSION "1.02"
+#define WATCHDOG_DATE "03 Sep 2005"
 #define WATCHDOG_DRIVER_NAME "PCI-PC Watchdog"
 #define WATCHDOG_NAME "pcwd_pci"
 #define PFX WATCHDOG_NAME ": "
@@ -70,19 +70,30 @@
  * These are the defines that describe the control status bits for the
  * PCI-PC Watchdog card.
  */
-#define WD_PCI_WTRP             0x01    /* Watchdog Trip status */
-#define WD_PCI_HRBT             0x02    /* Watchdog Heartbeat */
-#define WD_PCI_TTRP             0x04    /* Temperature Trip status */
+/* Port 1 : Control Status #1 */
+#define WD_PCI_WTRP             0x01    /* Watchdog Trip status */
+#define WD_PCI_HRBT             0x02    /* Watchdog Heartbeat */
+#define WD_PCI_TTRP             0x04    /* Temperature Trip status */
+#define WD_PCI_RL2A             0x08    /* Relay 2 Active */
+#define WD_PCI_RL1A             0x10    /* Relay 1 Active */
+#define WD_PCI_R2DS             0x40    /* Relay 2 Disable Temperature-trip/reset */
+#define WD_PCI_RLY2             0x80    /* Activate Relay 2 on the board */
+/* Port 2 : Control Status #2 */
+#define WD_PCI_WDIS             0x10    /* Watchdog Disable */
+#define WD_PCI_ENTP             0x20    /* Enable Temperature Trip Reset */
+#define WD_PCI_WRSP             0x40    /* Watchdog wrote response */
+#define WD_PCI_PCMD             0x80    /* PC has sent command */
 
 /* according to documentation max. time to process a command for the pci
  * watchdog card is 100 ms, so we give it 150 ms to do it's job */
 #define PCI_COMMAND_TIMEOUT     150
 
 /* Watchdog's internal commands */
-#define CMD_GET_STATUS                  0x04
-#define CMD_GET_FIRMWARE_VERSION        0x08
-#define CMD_READ_WATCHDOG_TIMEOUT       0x18
-#define CMD_WRITE_WATCHDOG_TIMEOUT      0x19
+#define CMD_GET_STATUS                          0x04
+#define CMD_GET_FIRMWARE_VERSION                0x08
+#define CMD_READ_WATCHDOG_TIMEOUT               0x18
+#define CMD_WRITE_WATCHDOG_TIMEOUT              0x19
+#define CMD_GET_CLEAR_RESET_COUNT               0x84
 
 /* We can only use 1 card due to the /dev/watchdog restriction */
 static int cards_found;
@@ -91,15 +102,22 @@ static int cards_found;
 static int temp_panic;
 static unsigned long is_active;
 static char expect_release;
-static struct {
-        int supports_temp;      /* Wether or not the card has a temperature device */
-        int boot_status;        /* The card's boot status */
-        unsigned long io_addr;  /* The cards I/O address */
-        spinlock_t io_lock;
-        struct pci_dev *pdev;
+static struct {                         /* this is private data for each PCI-PC watchdog card */
+        int supports_temp;              /* Wether or not the card has a temperature device */
+        int boot_status;                /* The card's boot status */
+        unsigned long io_addr;          /* The cards I/O address */
+        spinlock_t io_lock;             /* the lock for io operations */
+        struct pci_dev *pdev;           /* the PCI-device */
 } pcipcwd_private;
 
 /* module parameters */
+#define QUIET   0       /* Default */
+#define VERBOSE 1       /* Verbose */
+#define DEBUG   2       /* print fancy stuff too */
+static int debug = QUIET;
+module_param(debug, int, 0);
+MODULE_PARM_DESC(debug, "Debug level: 0=Quiet, 1=Verbose, 2=Debug (default=0)");
+
 #define WATCHDOG_HEARTBEAT 2    /* 2 sec default heartbeat */
 static int heartbeat = WATCHDOG_HEARTBEAT;
 module_param(heartbeat, int, 0);
@@ -117,6 +135,10 @@ static int send_command(int cmd, int *msb, int *lsb)
 {
         int got_response, count;
 
+        if (debug >= DEBUG)
+                printk(KERN_DEBUG PFX "sending following data cmd=0x%02x msb=0x%02x lsb=0x%02x\n",
+                cmd, *msb, *lsb);
+
         spin_lock(&pcipcwd_private.io_lock);
         /* If a command requires data it should be written first.
          * Data for commands with 8 bits of data should be written to port 4.
@@ -131,10 +153,19 @@ static int send_command(int cmd, int *msb, int *lsb)
         /* wait till the pci card processed the command, signaled by
          * the WRSP bit in port 2 and give it a max. timeout of
          * PCI_COMMAND_TIMEOUT to process */
-        got_response = inb_p(pcipcwd_private.io_addr + 2) & 0x40;
+        got_response = inb_p(pcipcwd_private.io_addr + 2) & WD_PCI_WRSP;
         for (count = 0; (count < PCI_COMMAND_TIMEOUT) && (!got_response); count++) {
                 mdelay(1);
-                got_response = inb_p(pcipcwd_private.io_addr + 2) & 0x40;
+                got_response = inb_p(pcipcwd_private.io_addr + 2) & WD_PCI_WRSP;
+        }
+
+        if (debug >= DEBUG) {
+                if (got_response) {
+                        printk(KERN_DEBUG PFX "time to process command was: %d ms\n",
+                                count);
+                } else {
+                        printk(KERN_DEBUG PFX "card did not respond on command!\n");
+                }
         }
 
         if (got_response) {
@@ -144,12 +175,66 @@ static int send_command(int cmd, int *msb, int *lsb)
 
                 /* clear WRSP bit */
                 inb_p(pcipcwd_private.io_addr + 6);
+
+                if (debug >= DEBUG)
+                        printk(KERN_DEBUG PFX "received following data for cmd=0x%02x: msb=0x%02x lsb=0x%02x\n",
+                                cmd, *msb, *lsb);
         }
+
         spin_unlock(&pcipcwd_private.io_lock);
 
         return got_response;
 }
 
+static inline void pcipcwd_check_temperature_support(void)
+{
+        if (inb_p(pcipcwd_private.io_addr) != 0xF0)
+                pcipcwd_private.supports_temp = 1;
+}
+
+static int pcipcwd_get_option_switches(void)
+{
+        int option_switches;
+
+        option_switches = inb_p(pcipcwd_private.io_addr + 3);
+        return option_switches;
+}
+
+static void pcipcwd_show_card_info(void)
+{
+        int got_fw_rev, fw_rev_major, fw_rev_minor;
+        char fw_ver_str[20];            /* The cards firmware version */
+        int option_switches;
+
+        got_fw_rev = send_command(CMD_GET_FIRMWARE_VERSION, &fw_rev_major, &fw_rev_minor);
+        if (got_fw_rev) {
+                sprintf(fw_ver_str, "%u.%02u", fw_rev_major, fw_rev_minor);
+        } else {
+                sprintf(fw_ver_str, "<card no answer>");
+        }
+
+        /* Get switch settings */
+        option_switches = pcipcwd_get_option_switches();
+
+        printk(KERN_INFO PFX "Found card at port 0x%04x (Firmware: %s) %s temp option\n",
+                (int) pcipcwd_private.io_addr, fw_ver_str,
+                (pcipcwd_private.supports_temp ? "with" : "without"));
+
+        printk(KERN_INFO PFX "Option switches (0x%02x): Temperature Reset Enable=%s, Power On Delay=%s\n",
+                option_switches,
+                ((option_switches & 0x10) ? "ON" : "OFF"),
+                ((option_switches & 0x08) ? "ON" : "OFF"));
+
+        if (pcipcwd_private.boot_status & WDIOF_CARDRESET)
+                printk(KERN_INFO PFX "Previous reset was caused by the Watchdog card\n");
+
+        if (pcipcwd_private.boot_status & WDIOF_OVERHEAT)
+                printk(KERN_INFO PFX "Card sensed a CPU Overheat\n");
+
+        if (pcipcwd_private.boot_status == 0)
+                printk(KERN_INFO PFX "No previous trip detected - Cold boot or reset\n");
+}
+
 static int pcipcwd_start(void)
 {
         int stat_reg;
@@ -161,11 +246,14 @@ static int pcipcwd_start(void)
         stat_reg = inb_p(pcipcwd_private.io_addr + 2);
         spin_unlock(&pcipcwd_private.io_lock);
 
-        if (stat_reg & 0x10) {
+        if (stat_reg & WD_PCI_WDIS) {
                 printk(KERN_ERR PFX "Card timer not enabled\n");
                 return -1;
         }
 
+        if (debug >= VERBOSE)
+                printk(KERN_DEBUG PFX "Watchdog started\n");
+
         return 0;
 }
 
@@ -183,18 +271,25 @@ static int pcipcwd_stop(void)
         stat_reg = inb_p(pcipcwd_private.io_addr + 2);
         spin_unlock(&pcipcwd_private.io_lock);
 
-        if (!(stat_reg & 0x10)) {
+        if (!(stat_reg & WD_PCI_WDIS)) {
                 printk(KERN_ERR PFX "Card did not acknowledge disable attempt\n");
                 return -1;
         }
 
+        if (debug >= VERBOSE)
+                printk(KERN_DEBUG PFX "Watchdog stopped\n");
+
         return 0;
 }
 
 static int pcipcwd_keepalive(void)
 {
         /* Re-trigger watchdog by writing to port 0 */
-        outb_p(0x42, pcipcwd_private.io_addr);
+        outb_p(0x42, pcipcwd_private.io_addr);  /* send out any data */
+
+        if (debug >= DEBUG)
+                printk(KERN_DEBUG PFX "Watchdog keepalive signal send\n");
+
         return 0;
 }
 
@@ -210,29 +305,64 @@ static int pcipcwd_set_heartbeat(int t)
         send_command(CMD_WRITE_WATCHDOG_TIMEOUT, &t_msb, &t_lsb);
 
         heartbeat = t;
+        if (debug >= VERBOSE)
+                printk(KERN_DEBUG PFX "New heartbeat: %d\n",
+                       heartbeat);
+
         return 0;
 }
 
 static int pcipcwd_get_status(int *status)
 {
-        int new_status;
+        int control_status;
 
         *status=0;
-        new_status = inb_p(pcipcwd_private.io_addr + 1);
-        if (new_status & WD_PCI_WTRP)
+        control_status = inb_p(pcipcwd_private.io_addr + 1);
+        if (control_status & WD_PCI_WTRP)
                 *status |= WDIOF_CARDRESET;
-        if (new_status & WD_PCI_TTRP) {
+        if (control_status & WD_PCI_TTRP) {
                 *status |= WDIOF_OVERHEAT;
                 if (temp_panic)
                         panic(PFX "Temperature overheat trip!\n");
         }
 
+        if (debug >= DEBUG)
+                printk(KERN_DEBUG PFX "Control Status #1: 0x%02x\n",
+                       control_status);
+
         return 0;
 }
 
 static int pcipcwd_clear_status(void)
 {
-        outb_p(0x01, pcipcwd_private.io_addr + 1);
+        int control_status;
+        int msb;
+        int reset_counter;
+
+        if (debug >= VERBOSE)
+                printk(KERN_INFO PFX "clearing watchdog trip status & LED\n");
+
+        control_status = inb_p(pcipcwd_private.io_addr + 1);
+
+        if (debug >= DEBUG) {
+                printk(KERN_DEBUG PFX "status was: 0x%02x\n", control_status);
+                printk(KERN_DEBUG PFX "sending: 0x%02x\n",
+                       (control_status & WD_PCI_R2DS) | WD_PCI_WTRP);
+        }
+
+        /* clear trip status & LED and keep mode of relay 2 */
+        outb_p((control_status & WD_PCI_R2DS) | WD_PCI_WTRP, pcipcwd_private.io_addr + 1);
+
+        /* clear reset counter */
+        msb=0;
+        reset_counter=0xff;
+        send_command(CMD_GET_CLEAR_RESET_COUNT, &msb, &reset_counter);
+
+        if (debug >= DEBUG) {
+                printk(KERN_DEBUG PFX "reset count was: 0x%02x\n",
+                       reset_counter);
+        }
+
         return 0;
 }
 
@@ -242,11 +372,18 @@ static int pcipcwd_get_temperature(int *temperature)
         if (!pcipcwd_private.supports_temp)
                 return -ENODEV;
 
+        *temperature = inb_p(pcipcwd_private.io_addr);
+
         /*
          * Convert celsius to fahrenheit, since this was
          * the decided 'standard' for this return value.
          */
-        *temperature = ((inb_p(pcipcwd_private.io_addr)) * 9 / 5) + 32;
+        *temperature = (*temperature * 9 / 5) + 32;
+
+        if (debug >= DEBUG) {
+                printk(KERN_DEBUG PFX "temperature is: %d F\n",
+                       *temperature);
+        }
 
         return 0;
 }
@@ -256,7 +393,7 @@ static int pcipcwd_get_temperature(int *temperature)
  */
 
 static ssize_t pcipcwd_write(struct file *file, const char __user *data,
-                              size_t len, loff_t *ppos)
+                             size_t len, loff_t *ppos)
 {
         /* See if we got the magic character 'V' and reload the timer */
         if (len) {
@@ -381,8 +518,11 @@ static int pcipcwd_ioctl(struct inode *inode, struct file *file,
 static int pcipcwd_open(struct inode *inode, struct file *file)
 {
         /* /dev/watchdog can only be opened once */
-        if (test_and_set_bit(0, &is_active))
+        if (test_and_set_bit(0, &is_active)) {
+                if (debug >= VERBOSE)
+                        printk(KERN_ERR PFX "Attempt to open already opened device.\n");
                 return -EBUSY;
+        }
 
         /* Activate */
         pcipcwd_start();
@@ -492,19 +632,10 @@ static struct notifier_block pcipcwd_notifier = {
  *      Init & exit routines
  */
 
-static inline void check_temperature_support(void)
-{
-        if (inb_p(pcipcwd_private.io_addr) != 0xF0)
-                pcipcwd_private.supports_temp = 1;
-}
-
 static int __devinit pcipcwd_card_init(struct pci_dev *pdev,
                 const struct pci_device_id *ent)
 {
         int ret = -EIO;
-        int got_fw_rev, fw_rev_major, fw_rev_minor;
-        char fw_ver_str[20];
-        char option_switches;
 
         cards_found++;
         if (cards_found == 1)
@@ -546,36 +677,10 @@ static int __devinit pcipcwd_card_init(struct pci_dev *pdev,
         pcipcwd_stop();
 
         /* Check whether or not the card supports the temperature device */
-        check_temperature_support();
-
-        /* Get the Firmware Version */
-        got_fw_rev = send_command(CMD_GET_FIRMWARE_VERSION, &fw_rev_major, &fw_rev_minor);
-        if (got_fw_rev) {
-                sprintf(fw_ver_str, "%u.%02u", fw_rev_major, fw_rev_minor);
-        } else {
-                sprintf(fw_ver_str, "<card no answer>");
-        }
+        pcipcwd_check_temperature_support();
 
-        /* Get switch settings */
-        option_switches = inb_p(pcipcwd_private.io_addr + 3);
-
-        printk(KERN_INFO PFX "Found card at port 0x%04x (Firmware: %s) %s temp option\n",
-                (int) pcipcwd_private.io_addr, fw_ver_str,
-                (pcipcwd_private.supports_temp ? "with" : "without"));
-
-        printk(KERN_INFO PFX "Option switches (0x%02x): Temperature Reset Enable=%s, Power On Delay=%s\n",
-                option_switches,
-                ((option_switches & 0x10) ? "ON" : "OFF"),
-                ((option_switches & 0x08) ? "ON" : "OFF"));
-
-        if (pcipcwd_private.boot_status & WDIOF_CARDRESET)
-                printk(KERN_INFO PFX "Previous reset was caused by the Watchdog card\n");
-
-        if (pcipcwd_private.boot_status & WDIOF_OVERHEAT)
-                printk(KERN_INFO PFX "Card sensed a CPU Overheat\n");
-
-        if (pcipcwd_private.boot_status == 0)
-                printk(KERN_INFO PFX "No previous trip detected - Cold boot or reset\n");
+        /* Show info about the card itself */
+        pcipcwd_show_card_info();
 
         /* Check that the heartbeat value is within it's range ; if not reset to the default */
         if (pcipcwd_set_heartbeat(heartbeat)) {
@@ -656,7 +761,7 @@ static struct pci_driver pcipcwd_driver = {
 
 static int __init pcipcwd_init_module(void)
 {
-        spin_lock_init (&pcipcwd_private.io_lock);
+        spin_lock_init(&pcipcwd_private.io_lock);
 
         return pci_register_driver(&pcipcwd_driver);
 }