7 files changed, 53 insertions, 66 deletions

diff --git a/drivers/acpi/motherboard.c b/drivers/acpi/motherboard.c
index e10fb4f842b1..e928e8c2c6ec 100644
--- a/drivers/acpi/motherboard.c
+++ b/drivers/acpi/motherboard.c
@@ -42,7 +42,7 @@ ACPI_MODULE_NAME("acpi_motherboard")
  */
 #define IS_RESERVED_ADDR(base, len) \
         (((len) > 0) && ((base) > 0) && ((base) + (len) < IO_SPACE_LIMIT) \
-        && ((base) + (len) > 0x1000))
+        && ((base) + (len) > PCIBIOS_MIN_IO))
 /*
  * Clearing the flag (IORESOURCE_BUSY) allows drivers to use
  * the io ports if they really know they can use it, while
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 42187381506b..850a78c9c4bc 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -261,7 +261,11 @@ static int mmap_mem(struct file * file, struct vm_area_struct * vma)
 
 static int mmap_kmem(struct file * file, struct vm_area_struct * vma)
 {
-        unsigned long long val;
+        unsigned long pfn;
+
+        /* Turn a kernel-virtual address into a physical page frame */
+        pfn = __pa((u64)vma->vm_pgoff << PAGE_SHIFT) >> PAGE_SHIFT;
+
         /*
          * RED-PEN: on some architectures there is more mapped memory
          * than available in mem_map which pfn_valid checks
@@ -269,10 +273,10 @@ static int mmap_kmem(struct file * file, struct vm_area_struct * vma)
          *
          * RED-PEN: vmalloc is not supported right now.
          */
-        if (!pfn_valid(vma->vm_pgoff))
+        if (!pfn_valid(pfn))
                 return -EIO;
-        val = (u64)vma->vm_pgoff << PAGE_SHIFT;
-        vma->vm_pgoff = __pa(val) >> PAGE_SHIFT;
+
+        vma->vm_pgoff = pfn;
         return mmap_mem(file, vma);
 }
 
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 5e5d2c3c7ce4..b82fd15d0891 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -3789,6 +3789,7 @@ e1000_netpoll(struct net_device *netdev)
         struct e1000_adapter *adapter = netdev_priv(netdev);
         disable_irq(adapter->pdev->irq);
         e1000_intr(adapter->pdev->irq, netdev, NULL);
+        e1000_clean_tx_irq(adapter);
         enable_irq(adapter->pdev->irq);
 }
 #endif
diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c
index 929170dcd3cb..600ba1202864 100644
--- a/drivers/scsi/dc395x.c
+++ b/drivers/scsi/dc395x.c
@@ -183,7 +183,7 @@
  * cross a page boundy.
  */
 #define SEGMENTX_LEN    (sizeof(struct SGentry)*DC395x_MAX_SG_LISTENTRY)
-#define VIRTX_LEN       (sizeof(void *) * DC395x_MAX_SG_LISTENTRY)
+
 
 struct SGentry {
         u32 address;            /* bus! address */
@@ -235,7 +235,6 @@ struct ScsiReqBlk {
         u8 sg_count;                    /* No of HW sg entries for this request */
         u8 sg_index;                    /* Index of HW sg entry for this request */
         u32 total_xfer_length;          /* Total number of bytes remaining to be transfered */
-        void **virt_map;
         unsigned char *virt_addr;       /* Virtual address of current transfer position */
 
         /*
@@ -1022,14 +1021,14 @@ static void build_srb(struct scsi_cmnd *cmd, struct DeviceCtlBlk *dcb,
                         reqlen, cmd->request_buffer, cmd->use_sg,
                         srb->sg_count);
 
+                srb->virt_addr = page_address(sl->page);
                 for (i = 0; i < srb->sg_count; i++) {
-                        u32 seglen = (u32)sg_dma_len(sl + i);
-                        sgp[i].address = (u32)sg_dma_address(sl + i);
+                        u32 busaddr = (u32)sg_dma_address(&sl[i]);
+                        u32 seglen = (u32)sl[i].length;
+                        sgp[i].address = busaddr;
                         sgp[i].length = seglen;
                         srb->total_xfer_length += seglen;
-                        srb->virt_map[i] = kmap(sl[i].page);
                 }
-                srb->virt_addr = srb->virt_map[0];
                 sgp += srb->sg_count - 1;
 
                 /*
@@ -1976,7 +1975,6 @@ static void sg_update_list(struct ScsiReqBlk *srb, u32 left)
         int segment = cmd->use_sg;
         u32 xferred = srb->total_xfer_length - left; /* bytes transfered */
         struct SGentry *psge = srb->segment_x + srb->sg_index;
-        void **virt = srb->virt_map;
 
         dprintkdbg(DBG_0,
                 "sg_update_list: Transfered %i of %i bytes, %i remain\n",
@@ -2016,16 +2014,16 @@ static void sg_update_list(struct ScsiReqBlk *srb, u32 left)
 
         /* We have to walk the scatterlist to find it */
         sg = (struct scatterlist *)cmd->request_buffer;
-        idx = 0;
         while (segment--) {
                 unsigned long mask =
                     ~((unsigned long)sg->length - 1) & PAGE_MASK;
                 if ((sg_dma_address(sg) & mask) == (psge->address & mask)) {
-                        srb->virt_addr = virt[idx] + (psge->address & ~PAGE_MASK);
+                        srb->virt_addr = (page_address(sg->page)
+                                           + psge->address -
+                                           (psge->address & PAGE_MASK));
                         return;
                 }
                 ++sg;
-                ++idx;
         }
 
         dprintkl(KERN_ERR, "sg_update_list: sg_to_virt failed\n");
@@ -2151,7 +2149,7 @@ static void data_out_phase0(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb,
                                 DC395x_read32(acb, TRM_S1040_DMA_CXCNT));
                 }
                 /*
-                 * calculate all the residue data that not yet transfered
+                 * calculate all the residue data that not yet tranfered
                  * SCSI transfer counter + left in SCSI FIFO data
                  *
                  * .....TRM_S1040_SCSI_COUNTER (24bits)
@@ -3269,7 +3267,6 @@ static void pci_unmap_srb(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb)
         struct scsi_cmnd *cmd = srb->cmd;
         enum dma_data_direction dir = cmd->sc_data_direction;
         if (cmd->use_sg && dir != PCI_DMA_NONE) {
-                int i;
                 /* unmap DC395x SG list */
                 dprintkdbg(DBG_SG, "pci_unmap_srb: list=%08x(%05x)\n",
                         srb->sg_bus_addr, SEGMENTX_LEN);
@@ -3279,8 +3276,6 @@ static void pci_unmap_srb(struct AdapterCtlBlk *acb, struct ScsiReqBlk *srb)
                 dprintkdbg(DBG_SG, "pci_unmap_srb: segs=%i buffer=%p\n",
                         cmd->use_sg, cmd->request_buffer);
                 /* unmap the sg segments */
-                for (i = 0; i < srb->sg_count; i++)
-                        kunmap(virt_to_page(srb->virt_map[i]));
                 pci_unmap_sg(acb->dev,
                              (struct scatterlist *)cmd->request_buffer,
                              cmd->use_sg, dir);
@@ -3327,7 +3322,7 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb,
 
         if (cmd->use_sg) {
                 struct scatterlist* sg = (struct scatterlist *)cmd->request_buffer;
-                ptr = (struct ScsiInqData *)(srb->virt_map[0] + sg->offset);
+                ptr = (struct ScsiInqData *)(page_address(sg->page) + sg->offset);
         } else {
                 ptr = (struct ScsiInqData *)(cmd->request_buffer);
         }
@@ -4262,9 +4257,8 @@ static void adapter_sg_tables_free(struct AdapterCtlBlk *acb)
         const unsigned srbs_per_page = PAGE_SIZE/SEGMENTX_LEN;
 
         for (i = 0; i < DC395x_MAX_SRB_CNT; i += srbs_per_page)
-                kfree(acb->srb_array[i].segment_x);
-
-        vfree(acb->srb_array[0].virt_map);
+                if (acb->srb_array[i].segment_x)
+                        kfree(acb->srb_array[i].segment_x);
 }
 
 
@@ -4280,12 +4274,9 @@ static int __devinit adapter_sg_tables_alloc(struct AdapterCtlBlk *acb)
         int srb_idx = 0;
         unsigned i = 0;
         struct SGentry *ptr;
-        void **virt_array;
 
-        for (i = 0; i < DC395x_MAX_SRB_CNT; i++) {
+        for (i = 0; i < DC395x_MAX_SRB_CNT; i++)
                 acb->srb_array[i].segment_x = NULL;
-                acb->srb_array[i].virt_map = NULL;
-        }
 
         dprintkdbg(DBG_1, "Allocate %i pages for SG tables\n", pages);
         while (pages--) {
@@ -4306,19 +4297,6 @@ static int __devinit adapter_sg_tables_alloc(struct AdapterCtlBlk *acb)
                     ptr + (i * DC395x_MAX_SG_LISTENTRY);
         else
                 dprintkl(KERN_DEBUG, "No space for tmsrb SG table reserved?!\n");
-
-        virt_array = vmalloc((DC395x_MAX_SRB_CNT + 1) * DC395x_MAX_SG_LISTENTRY * sizeof(void*));
-
-        if (!virt_array) {
-                adapter_sg_tables_free(acb);
-                return 1;
-        }
-
-        for (i = 0; i < DC395x_MAX_SRB_CNT + 1; i++) {
-                acb->srb_array[i].virt_map = virt_array;
-                virt_array += DC395x_MAX_SG_LISTENTRY;
-        }
-
         return 0;
 }
 
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index d2e19f6dd72c..4ff853fbe0be 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -628,7 +628,7 @@ fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var)
 int
 fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
 {
-        int err;
+        int err, flags = info->flags;
 
         if (var->activate & FB_ACTIVATE_INV_MODE) {
                 struct fb_videomode mode1, mode2;
@@ -682,7 +682,7 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
                             !list_empty(&info->modelist))
                                 err = fb_add_videomode(&mode, &info->modelist);
 
-                        if (!err && info->flags & FBINFO_MISC_USEREVENT) {
+                        if (!err && (flags & FBINFO_MISC_USEREVENT)) {
                                 struct fb_event event;
 
                                 info->flags &= ~FBINFO_MISC_USEREVENT;
diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c
index 298bc9cd99e7..a112a1786855 100644
--- a/drivers/video/intelfb/intelfbdrv.c
+++ b/drivers/video/intelfb/intelfbdrv.c
@@ -583,23 +583,6 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
                 return -ENODEV;
         }
 
-        /* Map the fb and MMIO regions */
-        dinfo->aperture.virtual = (u8 __iomem *)ioremap_nocache
-                (dinfo->aperture.physical, dinfo->aperture.size);
-        if (!dinfo->aperture.virtual) {
-                ERR_MSG("Cannot remap FB region.\n");
-                cleanup(dinfo);
-                return -ENODEV;
-        }
-        dinfo->mmio_base =
-                (u8 __iomem *)ioremap_nocache(dinfo->mmio_base_phys,
-                                               INTEL_REG_SIZE);
-        if (!dinfo->mmio_base) {
-                ERR_MSG("Cannot remap MMIO region.\n");
-                cleanup(dinfo);
-                return -ENODEV;
-        }
-
         /* Get the chipset info. */
         dinfo->pci_chipset = pdev->device;
 
@@ -630,9 +613,15 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
                 dinfo->accel = 0;
         }
 
+        if (MB(voffset) < stolen_size)
+                offset = (stolen_size >> 12);
+        else
+                offset = ROUND_UP_TO_PAGE(MB(voffset))/GTT_PAGE_SIZE;
+
         /* Framebuffer parameters - Use all the stolen memory if >= vram */
-        if (ROUND_UP_TO_PAGE(stolen_size) >= MB(vram)) {
+        if (ROUND_UP_TO_PAGE(stolen_size) >= ((offset << 12) +  MB(vram))) {
                 dinfo->fb.size = ROUND_UP_TO_PAGE(stolen_size);
+                dinfo->fb.offset = 0;
                 dinfo->fbmem_gart = 0;
         } else {
                 dinfo->fb.size =  MB(vram);
@@ -663,11 +652,6 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
                 return -ENODEV;
         }
 
-        if (MB(voffset) < stolen_size)
-                offset = (stolen_size >> 12);
-        else
-                offset = ROUND_UP_TO_PAGE(MB(voffset))/GTT_PAGE_SIZE;
-
         /* set the mem offsets - set them after the already used pages */
         if (dinfo->accel) {
                 dinfo->ring.offset = offset + gtt_info.current_memory;
@@ -682,6 +666,26 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
                         + (dinfo->cursor.size >> 12);
         }
 
+        /* Map the fb and MMIO regions */
+        /* ioremap only up to the end of used aperture */
+        dinfo->aperture.virtual = (u8 __iomem *)ioremap_nocache
+                (dinfo->aperture.physical, (dinfo->fb.offset << 12)
+                 + dinfo->fb.size);
+        if (!dinfo->aperture.virtual) {
+                ERR_MSG("Cannot remap FB region.\n");
+                cleanup(dinfo);
+                return -ENODEV;
+        }
+
+        dinfo->mmio_base =
+                (u8 __iomem *)ioremap_nocache(dinfo->mmio_base_phys,
+                                               INTEL_REG_SIZE);
+        if (!dinfo->mmio_base) {
+                ERR_MSG("Cannot remap MMIO region.\n");
+                cleanup(dinfo);
+                return -ENODEV;
+        }
+
         /* Allocate memories (which aren't stolen) */
         if (dinfo->accel) {
                 if (!(dinfo->gtt_ring_mem =
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index 8a9c42822502..0bbf029b1ef1 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -593,7 +593,7 @@ void w1_search(struct w1_master *dev, w1_slave_found_callback cb)
                  * Return 0 - device(s) present, 1 - no devices present.
                  */
                 if (w1_reset_bus(dev)) {
-                        dev_info(&dev->dev, "No devices present on the wire.\n");
+                        dev_dbg(&dev->dev, "No devices present on the wire.\n");
                         break;
                 }