19 files changed, 313 insertions, 155 deletions

diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 00a39760877b..987ec6782f99 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -153,7 +153,7 @@ void __iomem *of_ioremap(struct resource *res, unsigned long offset,
 }
 EXPORT_SYMBOL(of_ioremap);
 
-void of_iounmap(void __iomem *base, unsigned long size)
+void of_iounmap(struct resource *res, void __iomem *base, unsigned long size)
 {
         iounmap(base);
 }
diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig
index bda1436aced1..5a9e68b13e60 100644
--- a/arch/sparc64/defconfig
+++ b/arch/sparc64/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.19
-# Sat Dec  9 15:41:30 2006
+# Linux kernel version: 2.6.20-rc2
+# Thu Dec 28 15:09:49 2006
 #
 CONFIG_SPARC=y
 CONFIG_SPARC64=y
@@ -334,7 +334,7 @@ CONFIG_BLK_DEV_LOOP=m
 CONFIG_BLK_DEV_CRYPTOLOOP=m
 CONFIG_BLK_DEV_NBD=m
 # CONFIG_BLK_DEV_SX8 is not set
-CONFIG_BLK_DEV_UB=m
+# CONFIG_BLK_DEV_UB is not set
 # CONFIG_BLK_DEV_RAM is not set
 # CONFIG_BLK_DEV_INITRD is not set
 CONFIG_CDROM_PKTCDVD=m
@@ -840,6 +840,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_LM92 is not set
 # CONFIG_SENSORS_MAX1619 is not set
 # CONFIG_SENSORS_PC87360 is not set
+# CONFIG_SENSORS_PC87427 is not set
 # CONFIG_SENSORS_SIS5595 is not set
 # CONFIG_SENSORS_SMSC47M1 is not set
 # CONFIG_SENSORS_SMSC47M192 is not set
@@ -850,6 +851,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_W83781D is not set
 # CONFIG_SENSORS_W83791D is not set
 # CONFIG_SENSORS_W83792D is not set
+# CONFIG_SENSORS_W83793 is not set
 # CONFIG_SENSORS_W83L785TS is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
@@ -962,7 +964,6 @@ CONFIG_SND_VERBOSE_PROCFS=y
 #
 CONFIG_SND_MPU401_UART=m
 CONFIG_SND_AC97_CODEC=m
-CONFIG_SND_AC97_BUS=m
 CONFIG_SND_DUMMY=m
 CONFIG_SND_VIRMIDI=m
 CONFIG_SND_MTPAV=m
@@ -1045,6 +1046,7 @@ CONFIG_SND_SUN_CS4231=m
 # Open Sound System
 #
 # CONFIG_SOUND_PRIME is not set
+CONFIG_AC97_BUS=m
 
 #
 # HID Devices
@@ -1096,7 +1098,19 @@ CONFIG_USB_UHCI_HCD=m
 #
 # may also be needed; see USB_STORAGE Help for more information
 #
-# CONFIG_USB_STORAGE is not set
+CONFIG_USB_STORAGE=m
+# CONFIG_USB_STORAGE_DEBUG is not set
+# CONFIG_USB_STORAGE_DATAFAB is not set
+# CONFIG_USB_STORAGE_FREECOM is not set
+# CONFIG_USB_STORAGE_ISD200 is not set
+# CONFIG_USB_STORAGE_DPCM is not set
+# CONFIG_USB_STORAGE_USBAT is not set
+# CONFIG_USB_STORAGE_SDDR09 is not set
+# CONFIG_USB_STORAGE_SDDR55 is not set
+# CONFIG_USB_STORAGE_JUMPSHOT is not set
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_ONETOUCH is not set
+# CONFIG_USB_STORAGE_KARMA is not set
 # CONFIG_USB_LIBUSUAL is not set
 
 #
@@ -1222,6 +1236,10 @@ CONFIG_USB_HIDDEV=y
 #
 
 #
+# Virtualization
+#
+
+#
 # Misc Linux/SPARC drivers
 #
 CONFIG_SUN_OPENPROMIO=m
@@ -1397,6 +1415,8 @@ CONFIG_PRINTK_TIME=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_MAGIC_SYSRQ=y
 # CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_HEADERS_CHECK is not set
 CONFIG_DEBUG_KERNEL=y
 CONFIG_LOG_BUF_SHIFT=18
 CONFIG_DETECT_SOFTLOCKUP=y
@@ -1414,12 +1434,9 @@ CONFIG_SCHEDSTATS=y
 # CONFIG_DEBUG_KOBJECT is not set
 CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_INFO is not set
-CONFIG_DEBUG_FS=y
 # CONFIG_DEBUG_VM is not set
 # CONFIG_DEBUG_LIST is not set
-# CONFIG_UNWIND_INFO is not set
 CONFIG_FORCED_INLINING=y
-# CONFIG_HEADERS_CHECK is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_LKDTM is not set
 # CONFIG_DEBUG_STACK_USAGE is not set
@@ -1489,3 +1506,4 @@ CONFIG_LIBCRC32C=m
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=y
 CONFIG_PLIST=y
+CONFIG_IOMAP_COPY=y
diff --git a/arch/sparc64/kernel/isa.c b/arch/sparc64/kernel/isa.c
index ad1c4f55420f..98721a8f8619 100644
--- a/arch/sparc64/kernel/isa.c
+++ b/arch/sparc64/kernel/isa.c
@@ -22,14 +22,15 @@ static void __init report_dev(struct sparc_isa_device *isa_dev, int child)
                 printk(" [%s", isa_dev->prom_node->name);
 }
 
-static struct linux_prom_registers * __init
-isa_dev_get_resource(struct sparc_isa_device *isa_dev)
+static void __init isa_dev_get_resource(struct sparc_isa_device *isa_dev)
 {
         struct linux_prom_registers *pregs;
         unsigned long base, len;
         int prop_len;
 
         pregs = of_get_property(isa_dev->prom_node, "reg", &prop_len);
+        if (!pregs)
+                return;
 
         /* Only the first one is interesting. */
         len = pregs[0].reg_size;
@@ -44,12 +45,9 @@ isa_dev_get_resource(struct sparc_isa_device *isa_dev)
 
         request_resource(&isa_dev->bus->parent->io_space,
                          &isa_dev->resource);
-
-        return pregs;
 }
 
-static void __init isa_dev_get_irq(struct sparc_isa_device *isa_dev,
-                                   struct linux_prom_registers *pregs)
+static void __init isa_dev_get_irq(struct sparc_isa_device *isa_dev)
 {
         struct of_device *op = of_find_device_by_node(isa_dev->prom_node);
 
@@ -69,7 +67,6 @@ static void __init isa_fill_children(struct sparc_isa_device *parent_isa_dev)
 
         printk(" ->");
         while (dp) {
-                struct linux_prom_registers *regs;
                 struct sparc_isa_device *isa_dev;
 
                 isa_dev = kzalloc(sizeof(*isa_dev), GFP_KERNEL);
@@ -85,8 +82,8 @@ static void __init isa_fill_children(struct sparc_isa_device *parent_isa_dev)
                 isa_dev->bus = parent_isa_dev->bus;
                 isa_dev->prom_node = dp;
 
-                regs = isa_dev_get_resource(isa_dev);
-                isa_dev_get_irq(isa_dev, regs);
+                isa_dev_get_resource(isa_dev);
+                isa_dev_get_irq(isa_dev);
 
                 report_dev(isa_dev, 1);
 
@@ -99,7 +96,6 @@ static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br)
         struct device_node *dp = isa_br->prom_node->child;
 
         while (dp) {
-                struct linux_prom_registers *regs;
                 struct sparc_isa_device *isa_dev;
 
                 isa_dev = kzalloc(sizeof(*isa_dev), GFP_KERNEL);
@@ -137,8 +133,8 @@ static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br)
                 isa_dev->bus = isa_br;
                 isa_dev->prom_node = dp;
 
-                regs = isa_dev_get_resource(isa_dev);
-                isa_dev_get_irq(isa_dev, regs);
+                isa_dev_get_resource(isa_dev);
+                isa_dev_get_irq(isa_dev);
 
                 report_dev(isa_dev, 0);
 
diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index cec0eceae552..b0f3e0082a0d 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -144,9 +144,12 @@ void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned lo
 }
 EXPORT_SYMBOL(of_ioremap);
 
-void of_iounmap(void __iomem *base, unsigned long size)
+void of_iounmap(struct resource *res, void __iomem *base, unsigned long size)
 {
-        release_region((unsigned long) base, size);
+        if (res->flags & IORESOURCE_MEM)
+                release_mem_region((unsigned long) base, size);
+        else
+                release_region((unsigned long) base, size);
 }
 EXPORT_SYMBOL(of_iounmap);
 
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index a8e8802eed4d..054822a3e05e 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -872,6 +872,115 @@ static unsigned long __init choose_bootmap_pfn(unsigned long start_pfn,
         prom_halt();
 }
 
+static void __init trim_pavail(unsigned long *cur_size_p,
+                               unsigned long *end_of_phys_p)
+{
+        unsigned long to_trim = *cur_size_p - cmdline_memory_size;
+        unsigned long avoid_start, avoid_end;
+        int i;
+
+        to_trim = PAGE_ALIGN(to_trim);
+
+        avoid_start = avoid_end = 0;
+#ifdef CONFIG_BLK_DEV_INITRD
+        avoid_start = initrd_start;
+        avoid_end = PAGE_ALIGN(initrd_end);
+#endif
+
+        /* Trim some pavail[] entries in order to satisfy the
+         * requested "mem=xxx" kernel command line specification.
+         *
+         * We must not trim off the kernel image area nor the
+         * initial ramdisk range (if any).  Also, we must not trim
+         * any pavail[] entry down to zero in order to preserve
+         * the invariant that all pavail[] entries have a non-zero
+         * size which is assumed by all of the code in here.
+         */
+        for (i = 0; i < pavail_ents; i++) {
+                unsigned long start, end, kern_end;
+                unsigned long trim_low, trim_high, n;
+
+                kern_end = PAGE_ALIGN(kern_base + kern_size);
+
+                trim_low = start = pavail[i].phys_addr;
+                trim_high = end = start + pavail[i].reg_size;
+
+                if (kern_base >= start &&
+                    kern_base < end) {
+                        trim_low = kern_base;
+                        if (kern_end >= end)
+                                continue;
+                }
+                if (kern_end >= start &&
+                    kern_end < end) {
+                        trim_high = kern_end;
+                }
+                if (avoid_start &&
+                    avoid_start >= start &&
+                    avoid_start < end) {
+                        if (trim_low > avoid_start)
+                                trim_low = avoid_start;
+                        if (avoid_end >= end)
+                                continue;
+                }
+                if (avoid_end &&
+                    avoid_end >= start &&
+                    avoid_end < end) {
+                        if (trim_high < avoid_end)
+                                trim_high = avoid_end;
+                }
+
+                if (trim_high <= trim_low)
+                        continue;
+
+                if (trim_low == start && trim_high == end) {
+                        /* Whole chunk is available for trimming.
+                         * Trim all except one page, in order to keep
+                         * entry non-empty.
+                         */
+                        n = (end - start) - PAGE_SIZE;
+                        if (n > to_trim)
+                                n = to_trim;
+
+                        if (n) {
+                                pavail[i].phys_addr += n;
+                                pavail[i].reg_size -= n;
+                                to_trim -= n;
+                        }
+                } else {
+                        n = (trim_low - start);
+                        if (n > to_trim)
+                                n = to_trim;
+
+                        if (n) {
+                                pavail[i].phys_addr += n;
+                                pavail[i].reg_size -= n;
+                                to_trim -= n;
+                        }
+                        if (to_trim) {
+                                n = end - trim_high;
+                                if (n > to_trim)
+                                        n = to_trim;
+                                if (n) {
+                                        pavail[i].reg_size -= n;
+                                        to_trim -= n;
+                                }
+                        }
+                }
+
+                if (!to_trim)
+                        break;
+        }
+
+        /* Recalculate.  */
+        *cur_size_p = 0UL;
+        for (i = 0; i < pavail_ents; i++) {
+                *end_of_phys_p = pavail[i].phys_addr +
+                        pavail[i].reg_size;
+                *cur_size_p += pavail[i].reg_size;
+        }
+}
+
 static unsigned long __init bootmem_init(unsigned long *pages_avail,
                                          unsigned long phys_base)
 {
@@ -889,31 +998,13 @@ static unsigned long __init bootmem_init(unsigned long *pages_avail,
                 end_of_phys_memory = pavail[i].phys_addr +
                         pavail[i].reg_size;
                 bytes_avail += pavail[i].reg_size;
-                if (cmdline_memory_size) {
-                        if (bytes_avail > cmdline_memory_size) {
-                                unsigned long slack = bytes_avail - cmdline_memory_size;
-
-                                bytes_avail -= slack;
-                                end_of_phys_memory -= slack;
-
-                                pavail[i].reg_size -= slack;
-                                if ((long)pavail[i].reg_size <= 0L) {
-                                        pavail[i].phys_addr = 0xdeadbeefUL;
-                                        pavail[i].reg_size = 0UL;
-                                        pavail_ents = i;
-                                } else {
-                                        pavail[i+1].reg_size = 0Ul;
-                                        pavail[i+1].phys_addr = 0xdeadbeefUL;
-                                        pavail_ents = i + 1;
-                                }
-                                break;
-                        }
-                }
         }
 
-        *pages_avail = bytes_avail >> PAGE_SHIFT;
-
-        end_pfn = end_of_phys_memory >> PAGE_SHIFT;
+        /* Determine the location of the initial ramdisk before trying
+         * to honor the "mem=xxx" command line argument.  We must know
+         * where the kernel image and the ramdisk image are so that we
+         * do not trim those two areas from the physical memory map.
+         */
 
 #ifdef CONFIG_BLK_DEV_INITRD
         /* Now have to check initial ramdisk, so that bootmap does not overwrite it */
@@ -932,6 +1023,16 @@ static unsigned long __init bootmem_init(unsigned long *pages_avail,
                 }
         }
 #endif  
+
+        if (cmdline_memory_size &&
+            bytes_avail > cmdline_memory_size)
+                trim_pavail(&bytes_avail,
+                            &end_of_phys_memory);
+
+        *pages_avail = bytes_avail >> PAGE_SHIFT;
+
+        end_pfn = end_of_phys_memory >> PAGE_SHIFT;
+
         /* Initialize the boot-time allocator. */
         max_pfn = max_low_pfn = end_pfn;
         min_low_pfn = (phys_base >> PAGE_SHIFT);
diff --git a/drivers/input/serio/i8042-sparcio.h b/drivers/input/serio/i8042-sparcio.h
index 54adba2d8ed5..d9ca55891cd7 100644
--- a/drivers/input/serio/i8042-sparcio.h
+++ b/drivers/input/serio/i8042-sparcio.h
@@ -16,6 +16,7 @@ static int i8042_aux_irq = -1;
 #define I8042_MUX_PHYS_DESC "sparcps2/serio%d"
 
 static void __iomem *kbd_iobase;
+static struct resource *kbd_res;
 
 #define I8042_COMMAND_REG       (kbd_iobase + 0x64UL)
 #define I8042_DATA_REG          (kbd_iobase + 0x60UL)
@@ -60,6 +61,7 @@ static int __devinit sparc_i8042_probe(struct of_device *op, const struct of_dev
                         i8042_kbd_irq = irq;
                         kbd_iobase = of_ioremap(&kbd->resource[0],
                                                 0, 8, "kbd");
+                        kbd_res = &kbd->resource[0];
                 } else if (!strcmp(dp->name, OBP_PS2MS_NAME1) ||
                            !strcmp(dp->name, OBP_PS2MS_NAME2)) {
                         struct of_device *ms = of_find_device_by_node(dp);
@@ -77,7 +79,7 @@ static int __devinit sparc_i8042_probe(struct of_device *op, const struct of_dev
 
 static int __devexit sparc_i8042_remove(struct of_device *op)
 {
-        of_iounmap(kbd_iobase, 8);
+        of_iounmap(kbd_res, kbd_iobase, 8);
 
         return 0;
 }
@@ -119,7 +121,7 @@ static int __init i8042_platform_init(void)
                 if (i8042_kbd_irq == -1 ||
                     i8042_aux_irq == -1) {
                         if (kbd_iobase) {
-                                of_iounmap(kbd_iobase, 8);
+                                of_iounmap(kbd_res, kbd_iobase, 8);
                                 kbd_iobase = (void __iomem *) NULL;
                         }
                         return -ENODEV;
diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index 493d5bbb661b..145d6236954b 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -1037,7 +1037,8 @@ static int __devinit sunsab_init_one(struct uart_sunsab_port *up,
                 err = request_irq(up->port.irq, sunsab_interrupt,
                                   IRQF_SHARED, "sab", up);
                 if (err) {
-                        of_iounmap(up->port.membase,
+                        of_iounmap(&op->resource[0],
+                                   up->port.membase,
                                    sizeof(union sab82532_async_regs));
                         return err;
                 }
@@ -1064,7 +1065,8 @@ static int __devinit sab_probe(struct of_device *op, const struct of_device_id *
                               sizeof(union sab82532_async_regs),
                               (inst * 2) + 1);
         if (err) {
-                of_iounmap(up[0].port.membase,
+                of_iounmap(&op->resource[0],
+                           up[0].port.membase,
                            sizeof(union sab82532_async_regs));
                 free_irq(up[0].port.irq, &up[0]);
                 return err;
@@ -1082,10 +1084,13 @@ static int __devinit sab_probe(struct of_device *op, const struct of_device_id *
 
 static void __devexit sab_remove_one(struct uart_sunsab_port *up)
 {
+        struct of_device *op = to_of_device(up->port.dev);
+
         uart_remove_one_port(&sunsab_reg, &up->port);
         if (!(up->port.line & 1))
                 free_irq(up->port.irq, up);
-        of_iounmap(up->port.membase,
+        of_iounmap(&op->resource[0],
+                   up->port.membase,
                    sizeof(union sab82532_async_regs));
 }
 
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 564592b2b2ba..3ec3df21816b 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -1480,13 +1480,13 @@ static int __devinit su_probe(struct of_device *op, const struct of_device_id *m
         return 0;
 
 out_unmap:
-        of_iounmap(up->port.membase, up->reg_size);
+        of_iounmap(&op->resource[0], up->port.membase, up->reg_size);
         return err;
 }
 
-static int __devexit su_remove(struct of_device *dev)
+static int __devexit su_remove(struct of_device *op)
 {
-        struct uart_sunsu_port *up = dev_get_drvdata(&dev->dev);;
+        struct uart_sunsu_port *up = dev_get_drvdata(&op->dev);
 
         if (up->su_type == SU_PORT_MS ||
             up->su_type == SU_PORT_KBD) {
@@ -1499,9 +1499,9 @@ static int __devexit su_remove(struct of_device *dev)
         }
 
         if (up->port.membase)
-                of_iounmap(up->port.membase, up->reg_size);
+                of_iounmap(&op->resource[0], up->port.membase, up->reg_size);
 
-        dev_set_drvdata(&dev->dev, NULL);
+        dev_set_drvdata(&op->dev, NULL);
 
         return 0;
 }
diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index 75de919a9471..244f796dc625 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -1379,13 +1379,15 @@ static int __devinit zs_probe(struct of_device *op, const struct of_device_id *m
         if (!keyboard_mouse) {
                 err = uart_add_one_port(&sunzilog_reg, &up[0].port);
                 if (err) {
-                        of_iounmap(rp, sizeof(struct zilog_layout));
+                        of_iounmap(&op->resource[0],
+                                   rp, sizeof(struct zilog_layout));
                         return err;
                 }
                 err = uart_add_one_port(&sunzilog_reg, &up[1].port);
                 if (err) {
                         uart_remove_one_port(&sunzilog_reg, &up[0].port);
-                        of_iounmap(rp, sizeof(struct zilog_layout));
+                        of_iounmap(&op->resource[0],
+                                   rp, sizeof(struct zilog_layout));
                         return err;
                 }
         } else {
@@ -1414,18 +1416,18 @@ static void __devexit zs_remove_one(struct uart_sunzilog_port *up)
                 uart_remove_one_port(&sunzilog_reg, &up->port);
 }
 
-static int __devexit zs_remove(struct of_device *dev)
+static int __devexit zs_remove(struct of_device *op)
 {
-        struct uart_sunzilog_port *up = dev_get_drvdata(&dev->dev);
+        struct uart_sunzilog_port *up = dev_get_drvdata(&op->dev);
         struct zilog_layout __iomem *regs;
 
         zs_remove_one(&up[0]);
         zs_remove_one(&up[1]);
 
         regs = sunzilog_chip_regs[up[0].port.line / 2];
-        of_iounmap(regs, sizeof(struct zilog_layout));
+        of_iounmap(&op->resource[0], regs, sizeof(struct zilog_layout));
 
-        dev_set_drvdata(&dev->dev, NULL);
+        dev_set_drvdata(&op->dev, NULL);
 
         return 0;
 }
diff --git a/drivers/video/bw2.c b/drivers/video/bw2.c
index c66e3d52cbf3..9bb6257d6918 100644
--- a/drivers/video/bw2.c
+++ b/drivers/video/bw2.c
@@ -320,7 +320,7 @@ static int __devinit bw2_init_one(struct of_device *op)
         all->info.fbops = &bw2_ops;
 
         all->info.screen_base =
-                sbus_ioremap(&op->resource[0], 0, all->par.fbsize, "bw2 ram");
+                of_ioremap(&op->resource[0], 0, all->par.fbsize, "bw2 ram");
         all->info.par = &all->par;
 
         bw2_blank(0, &all->info);
@@ -329,8 +329,10 @@ static int __devinit bw2_init_one(struct of_device *op)
 
         err= register_framebuffer(&all->info);
         if (err < 0) {
-                of_iounmap(all->par.regs, sizeof(struct bw2_regs));
-                of_iounmap(all->info.screen_base, all->par.fbsize);
+                of_iounmap(&op->resource[0],
+                           all->par.regs, sizeof(struct bw2_regs));
+                of_iounmap(&op->resource[0],
+                           all->info.screen_base, all->par.fbsize);
                 kfree(all);
                 return err;
         }
@@ -351,18 +353,18 @@ static int __devinit bw2_probe(struct of_device *dev, const struct of_device_id
         return bw2_init_one(op);
 }
 
-static int __devexit bw2_remove(struct of_device *dev)
+static int __devexit bw2_remove(struct of_device *op)
 {
-        struct all_info *all = dev_get_drvdata(&dev->dev);
+        struct all_info *all = dev_get_drvdata(&op->dev);
 
         unregister_framebuffer(&all->info);
 
-        of_iounmap(all->par.regs, sizeof(struct bw2_regs));
-        of_iounmap(all->info.screen_base, all->par.fbsize);
+        of_iounmap(&op->resource[0], all->par.regs, sizeof(struct bw2_regs));
+        of_iounmap(&op->resource[0], all->info.screen_base, all->par.fbsize);
 
         kfree(all);
 
-        dev_set_drvdata(&dev->dev, NULL);
+        dev_set_drvdata(&op->dev, NULL);
 
         return 0;
 }
diff --git a/drivers/video/cg14.c b/drivers/video/cg14.c
index 7f926c619b61..ec6a51a5822d 100644
--- a/drivers/video/cg14.c
+++ b/drivers/video/cg14.c
@@ -452,16 +452,20 @@ struct all_info {
         struct cg14_par par;
 };
 
-static void cg14_unmap_regs(struct all_info *all)
+static void cg14_unmap_regs(struct of_device *op, struct all_info *all)
 {
         if (all->par.regs)
-                of_iounmap(all->par.regs, sizeof(struct cg14_regs));
+                of_iounmap(&op->resource[0],
+                           all->par.regs, sizeof(struct cg14_regs));
         if (all->par.clut)
-                of_iounmap(all->par.clut, sizeof(struct cg14_clut));
+                of_iounmap(&op->resource[0],
+                           all->par.clut, sizeof(struct cg14_clut));
         if (all->par.cursor)
-                of_iounmap(all->par.cursor, sizeof(struct cg14_cursor));
+                of_iounmap(&op->resource[0],
+                           all->par.cursor, sizeof(struct cg14_cursor));
         if (all->info.screen_base)
-                of_iounmap(all->info.screen_base, all->par.fbsize);
+                of_iounmap(&op->resource[1],
+                           all->info.screen_base, all->par.fbsize);
 }
 
 static int __devinit cg14_init_one(struct of_device *op)
@@ -506,7 +510,7 @@ static int __devinit cg14_init_one(struct of_device *op)
 
         if (!all->par.regs || !all->par.clut || !all->par.cursor ||
             !all->info.screen_base)
-                cg14_unmap_regs(all);
+                cg14_unmap_regs(op, all);
 
         is_8mb = (((op->resource[1].end - op->resource[1].start) + 1) ==
                   (8 * 1024 * 1024));
@@ -541,7 +545,7 @@ static int __devinit cg14_init_one(struct of_device *op)
         __cg14_reset(&all->par);
 
         if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
-                cg14_unmap_regs(all);
+                cg14_unmap_regs(op, all);
                 kfree(all);
                 return -ENOMEM;
         }
@@ -552,7 +556,7 @@ static int __devinit cg14_init_one(struct of_device *op)
         err = register_framebuffer(&all->info);
         if (err < 0) {
                 fb_dealloc_cmap(&all->info.cmap);
-                cg14_unmap_regs(all);
+                cg14_unmap_regs(op, all);
                 kfree(all);
                 return err;
         }
@@ -574,18 +578,18 @@ static int __devinit cg14_probe(struct of_device *dev, const struct of_device_id
         return cg14_init_one(op);
 }
 
-static int __devexit cg14_remove(struct of_device *dev)
+static int __devexit cg14_remove(struct of_device *op)
 {
-        struct all_info *all = dev_get_drvdata(&dev->dev);
+        struct all_info *all = dev_get_drvdata(&op->dev);
 
         unregister_framebuffer(&all->info);
         fb_dealloc_cmap(&all->info.cmap);
 
-        cg14_unmap_regs(all);
+        cg14_unmap_regs(op, all);
 
         kfree(all);
 
-        dev_set_drvdata(&dev->dev, NULL);
+        dev_set_drvdata(&op->dev, NULL);
 
         return 0;
 }
diff --git a/drivers/video/cg3.c b/drivers/video/cg3.c
index 9c8c753ef454..ada6f7e3a891 100644
--- a/drivers/video/cg3.c
+++ b/drivers/video/cg3.c
@@ -403,8 +403,10 @@ static int __devinit cg3_init_one(struct of_device *op)
                 cg3_do_default_mode(&all->par);
 
         if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
-                of_iounmap(all->par.regs, sizeof(struct cg3_regs));
-                of_iounmap(all->info.screen_base, all->par.fbsize);
+                of_iounmap(&op->resource[0],
+                           all->par.regs, sizeof(struct cg3_regs));
+                of_iounmap(&op->resource[0],
+                           all->info.screen_base, all->par.fbsize);
                 kfree(all);
                 return -ENOMEM;
         }
@@ -415,8 +417,10 @@ static int __devinit cg3_init_one(struct of_device *op)
         err = register_framebuffer(&all->info);
         if (err < 0) {
                 fb_dealloc_cmap(&all->info.cmap);
-                of_iounmap(all->par.regs, sizeof(struct cg3_regs));
-                of_iounmap(all->info.screen_base, all->par.fbsize);
+                of_iounmap(&op->resource[0],
+                           all->par.regs, sizeof(struct cg3_regs));
+                of_iounmap(&op->resource[0],
+                           all->info.screen_base, all->par.fbsize);
                 kfree(all);
                 return err;
         }
@@ -436,19 +440,19 @@ static int __devinit cg3_probe(struct of_device *dev, const struct of_device_id
         return cg3_init_one(op);
 }
 
-static int __devexit cg3_remove(struct of_device *dev)
+static int __devexit cg3_remove(struct of_device *op)
 {
-        struct all_info *all = dev_get_drvdata(&dev->dev);
+        struct all_info *all = dev_get_drvdata(&op->dev);
 
         unregister_framebuffer(&all->info);
         fb_dealloc_cmap(&all->info.cmap);
 
-        of_iounmap(all->par.regs, sizeof(struct cg3_regs));
-        of_iounmap(all->info.screen_base, all->par.fbsize);
+        of_iounmap(&op->resource[0], all->par.regs, sizeof(struct cg3_regs));
+        of_iounmap(&op->resource[0], all->info.screen_base, all->par.fbsize);
 
         kfree(all);
 
-        dev_set_drvdata(&dev->dev, NULL);
+        dev_set_drvdata(&op->dev, NULL);
 
         return 0;
 }
diff --git a/drivers/video/cg6.c b/drivers/video/cg6.c
index 64146be2eeb0..4dad23a28f58 100644
--- a/drivers/video/cg6.c
+++ b/drivers/video/cg6.c
@@ -658,21 +658,26 @@ struct all_info {
         struct cg6_par par;
 };
 
-static void cg6_unmap_regs(struct all_info *all)
+static void cg6_unmap_regs(struct of_device *op, struct all_info *all)
 {
         if (all->par.fbc)
-                of_iounmap(all->par.fbc, 4096);
+                of_iounmap(&op->resource[0], all->par.fbc, 4096);
         if (all->par.tec)
-                of_iounmap(all->par.tec, sizeof(struct cg6_tec));
+                of_iounmap(&op->resource[0],
+                           all->par.tec, sizeof(struct cg6_tec));
         if (all->par.thc)
-                of_iounmap(all->par.thc, sizeof(struct cg6_thc));
+                of_iounmap(&op->resource[0],
+                           all->par.thc, sizeof(struct cg6_thc));
         if (all->par.bt)
-                of_iounmap(all->par.bt, sizeof(struct bt_regs));
+                of_iounmap(&op->resource[0],
+                           all->par.bt, sizeof(struct bt_regs));
         if (all->par.fhc)
-                of_iounmap(all->par.fhc, sizeof(u32));
+                of_iounmap(&op->resource[0],
+                           all->par.fhc, sizeof(u32));
 
         if (all->info.screen_base)
-                of_iounmap(all->info.screen_base, all->par.fbsize);
+                of_iounmap(&op->resource[0],
+                           all->info.screen_base, all->par.fbsize);
 }
 
 static int __devinit cg6_init_one(struct of_device *op)
@@ -720,7 +725,7 @@ static int __devinit cg6_init_one(struct of_device *op)
                                             all->par.fbsize, "cgsix ram");
         if (!all->par.fbc || !all->par.tec || !all->par.thc ||
             !all->par.bt || !all->par.fhc || !all->info.screen_base) {
-                cg6_unmap_regs(all);
+                cg6_unmap_regs(op, all);
                 kfree(all);
                 return -ENOMEM;
         }
@@ -734,7 +739,7 @@ static int __devinit cg6_init_one(struct of_device *op)
         cg6_blank(0, &all->info);
 
         if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
-                cg6_unmap_regs(all);
+                cg6_unmap_regs(op, all);
                 kfree(all);
                 return -ENOMEM;
         }
@@ -744,7 +749,7 @@ static int __devinit cg6_init_one(struct of_device *op)
 
         err = register_framebuffer(&all->info);
         if (err < 0) {
-                cg6_unmap_regs(all);
+                cg6_unmap_regs(op, all);
                 fb_dealloc_cmap(&all->info.cmap);
                 kfree(all);
                 return err;
@@ -767,18 +772,18 @@ static int __devinit cg6_probe(struct of_device *dev, const struct of_device_id
         return cg6_init_one(op);
 }
 
-static int __devexit cg6_remove(struct of_device *dev)
+static int __devexit cg6_remove(struct of_device *op)
 {
-        struct all_info *all = dev_get_drvdata(&dev->dev);
+        struct all_info *all = dev_get_drvdata(&op->dev);
 
         unregister_framebuffer(&all->info);
         fb_dealloc_cmap(&all->info.cmap);
 
-        cg6_unmap_regs(all);
+        cg6_unmap_regs(op, all);
 
         kfree(all);
 
-        dev_set_drvdata(&dev->dev, NULL);
+        dev_set_drvdata(&op->dev, NULL);
 
         return 0;
 }
diff --git a/drivers/video/ffb.c b/drivers/video/ffb.c
index 949141bd44d4..15854aec3180 100644
--- a/drivers/video/ffb.c
+++ b/drivers/video/ffb.c
@@ -910,7 +910,8 @@ static int ffb_init_one(struct of_device *op)
         all->par.dac = of_ioremap(&op->resource[1], 0,
                                   sizeof(struct ffb_dac), "ffb dac");
         if (!all->par.dac) {
-                of_iounmap(all->par.fbc, sizeof(struct ffb_fbc));
+                of_iounmap(&op->resource[2],
+                           all->par.fbc, sizeof(struct ffb_fbc));
                 kfree(all);
                 return -ENOMEM;
         }
@@ -968,8 +969,10 @@ static int ffb_init_one(struct of_device *op)
 
         if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
                 printk(KERN_ERR "ffb: Could not allocate color map.\n");
-                of_iounmap(all->par.fbc, sizeof(struct ffb_fbc));
-                of_iounmap(all->par.dac, sizeof(struct ffb_dac));
+                of_iounmap(&op->resource[2],
+                           all->par.fbc, sizeof(struct ffb_fbc));
+                of_iounmap(&op->resource[1],
+                           all->par.dac, sizeof(struct ffb_dac));
                 kfree(all);
                 return -ENOMEM;
         }
@@ -980,8 +983,10 @@ static int ffb_init_one(struct of_device *op)
         if (err < 0) {
                 printk(KERN_ERR "ffb: Could not register framebuffer.\n");
                 fb_dealloc_cmap(&all->info.cmap);
-                of_iounmap(all->par.fbc, sizeof(struct ffb_fbc));
-                of_iounmap(all->par.dac, sizeof(struct ffb_dac));
+                of_iounmap(&op->resource[2],
+                           all->par.fbc, sizeof(struct ffb_fbc));
+                of_iounmap(&op->resource[1],
+                           all->par.dac, sizeof(struct ffb_dac));
                 kfree(all);
                 return err;
         }
@@ -1003,19 +1008,19 @@ static int __devinit ffb_probe(struct of_device *dev, const struct of_device_id
         return ffb_init_one(op);
 }
 
-static int __devexit ffb_remove(struct of_device *dev)
+static int __devexit ffb_remove(struct of_device *op)
 {
-        struct all_info *all = dev_get_drvdata(&dev->dev);
+        struct all_info *all = dev_get_drvdata(&op->dev);
 
         unregister_framebuffer(&all->info);
         fb_dealloc_cmap(&all->info.cmap);
 
-        of_iounmap(all->par.fbc, sizeof(struct ffb_fbc));
-        of_iounmap(all->par.dac, sizeof(struct ffb_dac));
+        of_iounmap(&op->resource[2], all->par.fbc, sizeof(struct ffb_fbc));
+        of_iounmap(&op->resource[1], all->par.dac, sizeof(struct ffb_dac));
 
         kfree(all);
 
-        dev_set_drvdata(&dev->dev, NULL);
+        dev_set_drvdata(&op->dev, NULL);
 
         return 0;
 }
diff --git a/drivers/video/leo.c b/drivers/video/leo.c
index f3a24338d9ac..a038aa5a9e1c 100644
--- a/drivers/video/leo.c
+++ b/drivers/video/leo.c
@@ -530,20 +530,21 @@ struct all_info {
         struct leo_par par;
 };
 
-static void leo_unmap_regs(struct all_info *all)
+static void leo_unmap_regs(struct of_device *op, struct all_info *all)
 {
         if (all->par.lc_ss0_usr)
-                of_iounmap(all->par.lc_ss0_usr, 0x1000);
+                of_iounmap(&op->resource[0], all->par.lc_ss0_usr, 0x1000);
         if (all->par.ld_ss0)
-                of_iounmap(all->par.ld_ss0, 0x1000);
+                of_iounmap(&op->resource[0], all->par.ld_ss0, 0x1000);
         if (all->par.ld_ss1)
-                of_iounmap(all->par.ld_ss1, 0x1000);
+                of_iounmap(&op->resource[0], all->par.ld_ss1, 0x1000);
         if (all->par.lx_krn)
-                of_iounmap(all->par.lx_krn, 0x1000);
+                of_iounmap(&op->resource[0], all->par.lx_krn, 0x1000);
         if (all->par.cursor)
-                of_iounmap(all->par.cursor, sizeof(struct leo_cursor));
+                of_iounmap(&op->resource[0],
+                           all->par.cursor, sizeof(struct leo_cursor));
         if (all->info.screen_base)
-                of_iounmap(all->info.screen_base, 0x800000);
+                of_iounmap(&op->resource[0], all->info.screen_base, 0x800000);
 }
 
 static int __devinit leo_init_one(struct of_device *op)
@@ -592,7 +593,7 @@ static int __devinit leo_init_one(struct of_device *op)
             !all->par.lx_krn ||
             !all->par.cursor ||
             !all->info.screen_base) {
-                leo_unmap_regs(all);
+                leo_unmap_regs(op, all);
                 kfree(all);
                 return -ENOMEM;
         }
@@ -607,7 +608,7 @@ static int __devinit leo_init_one(struct of_device *op)
         leo_blank(0, &all->info);
 
         if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
-                leo_unmap_regs(all);
+                leo_unmap_regs(op, all);
                 kfree(all);
                 return -ENOMEM;;
         }
@@ -617,7 +618,7 @@ static int __devinit leo_init_one(struct of_device *op)
         err = register_framebuffer(&all->info);
         if (err < 0) {
                 fb_dealloc_cmap(&all->info.cmap);
-                leo_unmap_regs(all);
+                leo_unmap_regs(op, all);
                 kfree(all);
                 return err;
         }
@@ -638,18 +639,18 @@ static int __devinit leo_probe(struct of_device *dev, const struct of_device_id
         return leo_init_one(op);
 }
 
-static int __devexit leo_remove(struct of_device *dev)
+static int __devexit leo_remove(struct of_device *op)
 {
-        struct all_info *all = dev_get_drvdata(&dev->dev);
+        struct all_info *all = dev_get_drvdata(&op->dev);
 
         unregister_framebuffer(&all->info);
         fb_dealloc_cmap(&all->info.cmap);
 
-        leo_unmap_regs(all);
+        leo_unmap_regs(op, all);
 
         kfree(all);
 
-        dev_set_drvdata(&dev->dev, NULL);
+        dev_set_drvdata(&op->dev, NULL);
 
         return 0;
 }
diff --git a/drivers/video/p9100.c b/drivers/video/p9100.c
index 56ac51d6a7f3..637b78bb4bf7 100644
--- a/drivers/video/p9100.c
+++ b/drivers/video/p9100.c
@@ -297,7 +297,8 @@ static int __devinit p9100_init_one(struct of_device *op)
         all->info.screen_base = of_ioremap(&op->resource[2], 0,
                                            all->par.fbsize, "p9100 ram");
         if (!all->info.screen_base) {
-                of_iounmap(all->par.regs, sizeof(struct p9100_regs));
+                of_iounmap(&op->resource[0],
+                           all->par.regs, sizeof(struct p9100_regs));
                 kfree(all);
                 return -ENOMEM;
         }
@@ -306,8 +307,10 @@ static int __devinit p9100_init_one(struct of_device *op)
         p9100_blank(0, &all->info);
 
         if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
-                of_iounmap(all->par.regs, sizeof(struct p9100_regs));
-                of_iounmap(all->info.screen_base, all->par.fbsize);
+                of_iounmap(&op->resource[0],
+                           all->par.regs, sizeof(struct p9100_regs));
+                of_iounmap(&op->resource[2],
+                           all->info.screen_base, all->par.fbsize);
                 kfree(all);
                 return -ENOMEM;
         }
@@ -317,8 +320,10 @@ static int __devinit p9100_init_one(struct of_device *op)
         err = register_framebuffer(&all->info);
         if (err < 0) {
                 fb_dealloc_cmap(&all->info.cmap);
-                of_iounmap(all->par.regs, sizeof(struct p9100_regs));
-                of_iounmap(all->info.screen_base, all->par.fbsize);
+                of_iounmap(&op->resource[0],
+                           all->par.regs, sizeof(struct p9100_regs));
+                of_iounmap(&op->resource[2],
+                           all->info.screen_base, all->par.fbsize);
                 kfree(all);
                 return err;
         }
@@ -340,19 +345,19 @@ static int __devinit p9100_probe(struct of_device *dev, const struct of_device_i
         return p9100_init_one(op);
 }
 
-static int __devexit p9100_remove(struct of_device *dev)
+static int __devexit p9100_remove(struct of_device *op)
 {
-        struct all_info *all = dev_get_drvdata(&dev->dev);
+        struct all_info *all = dev_get_drvdata(&op->dev);
 
         unregister_framebuffer(&all->info);
         fb_dealloc_cmap(&all->info.cmap);
 
-        of_iounmap(all->par.regs, sizeof(struct p9100_regs));
-        of_iounmap(all->info.screen_base, all->par.fbsize);
+        of_iounmap(&op->resource[0], all->par.regs, sizeof(struct p9100_regs));
+        of_iounmap(&op->resource[2], all->info.screen_base, all->par.fbsize);
 
         kfree(all);
 
-        dev_set_drvdata(&dev->dev, NULL);
+        dev_set_drvdata(&op->dev, NULL);
 
         return 0;
 }
diff --git a/drivers/video/tcx.c b/drivers/video/tcx.c
index 6990ab11cd06..5a99669232ce 100644
--- a/drivers/video/tcx.c
+++ b/drivers/video/tcx.c
@@ -350,18 +350,23 @@ struct all_info {
         struct tcx_par par;
 };
 
-static void tcx_unmap_regs(struct all_info *all)
+static void tcx_unmap_regs(struct of_device *op, struct all_info *all)
 {
         if (all->par.tec)
-                of_iounmap(all->par.tec, sizeof(struct tcx_tec));
+                of_iounmap(&op->resource[7],
+                           all->par.tec, sizeof(struct tcx_tec));
         if (all->par.thc)
-                of_iounmap(all->par.thc, sizeof(struct tcx_thc));
+                of_iounmap(&op->resource[9],
+                           all->par.thc, sizeof(struct tcx_thc));
         if (all->par.bt)
-                of_iounmap(all->par.bt, sizeof(struct bt_regs));
+                of_iounmap(&op->resource[8],
+                           all->par.bt, sizeof(struct bt_regs));
         if (all->par.cplane)
-                of_iounmap(all->par.cplane, all->par.fbsize * sizeof(u32));
+                of_iounmap(&op->resource[4],
+                           all->par.cplane, all->par.fbsize * sizeof(u32));
         if (all->info.screen_base)
-                of_iounmap(all->info.screen_base, all->par.fbsize);
+                of_iounmap(&op->resource[0],
+                           all->info.screen_base, all->par.fbsize);
 }
 
 static int __devinit tcx_init_one(struct of_device *op)
@@ -398,7 +403,7 @@ static int __devinit tcx_init_one(struct of_device *op)
                                            all->par.fbsize, "tcx ram");
         if (!all->par.tec || !all->par.thc ||
             !all->par.bt || !all->info.screen_base) {
-                tcx_unmap_regs(all);
+                tcx_unmap_regs(op, all);
                 kfree(all);
                 return -ENOMEM;
         }
@@ -409,7 +414,7 @@ static int __devinit tcx_init_one(struct of_device *op)
                                              all->par.fbsize * sizeof(u32),
                                              "tcx cplane");
                 if (!all->par.cplane) {
-                        tcx_unmap_regs(all);
+                        tcx_unmap_regs(op, all);
                         kfree(all);
                         return -ENOMEM;
                 }
@@ -461,7 +466,7 @@ static int __devinit tcx_init_one(struct of_device *op)
         tcx_blank(FB_BLANK_UNBLANK, &all->info);
 
         if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
-                tcx_unmap_regs(all);
+                tcx_unmap_regs(op, all);
                 kfree(all);
                 return -ENOMEM;
         }
@@ -472,7 +477,7 @@ static int __devinit tcx_init_one(struct of_device *op)
         err = register_framebuffer(&all->info);
         if (err < 0) {
                 fb_dealloc_cmap(&all->info.cmap);
-                tcx_unmap_regs(all);
+                tcx_unmap_regs(op, all);
                 kfree(all);
                 return err;
         }
@@ -495,18 +500,18 @@ static int __devinit tcx_probe(struct of_device *dev, const struct of_device_id
         return tcx_init_one(op);
 }
 
-static int __devexit tcx_remove(struct of_device *dev)
+static int __devexit tcx_remove(struct of_device *op)
 {
-        struct all_info *all = dev_get_drvdata(&dev->dev);
+        struct all_info *all = dev_get_drvdata(&op->dev);
 
         unregister_framebuffer(&all->info);
         fb_dealloc_cmap(&all->info.cmap);
 
-        tcx_unmap_regs(all);
+        tcx_unmap_regs(op, all);
 
         kfree(all);
 
-        dev_set_drvdata(&dev->dev, NULL);
+        dev_set_drvdata(&op->dev, NULL);
 
         return 0;
 }
diff --git a/include/asm-sparc/of_device.h b/include/asm-sparc/of_device.h
index 80ea31f6e17f..7cb00c1b09c6 100644
--- a/include/asm-sparc/of_device.h
+++ b/include/asm-sparc/of_device.h
@@ -33,7 +33,7 @@ struct of_device
 #define to_of_device(d) container_of(d, struct of_device, dev)
 
 extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
-extern void of_iounmap(void __iomem *base, unsigned long size);
+extern void of_iounmap(struct resource *res, void __iomem *base, unsigned long size);
 
 extern struct of_device *of_find_device_by_node(struct device_node *);
 
diff --git a/include/asm-sparc64/of_device.h b/include/asm-sparc64/of_device.h
index a62c7b997d66..60e9173c9acb 100644
--- a/include/asm-sparc64/of_device.h
+++ b/include/asm-sparc64/of_device.h
@@ -34,7 +34,7 @@ struct of_device
 #define to_of_device(d) container_of(d, struct of_device, dev)
 
 extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
-extern void of_iounmap(void __iomem *base, unsigned long size);
+extern void of_iounmap(struct resource *res, void __iomem *base, unsigned long size);
 
 extern struct of_device *of_find_device_by_node(struct device_node *);