Merge by hand (conflicts in scsi_lib.c)

This merge is pretty extensive.  The conflict is over the new
req->retries parameter, so I had to change the prototype to
scsi_setup_blk_pc_cmnd() and the usage in sd, sr and st.

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

16 files changed, 68 insertions, 63 deletions

diff --git a/arch/alpha/kernel/machvec_impl.h b/arch/alpha/kernel/machvec_impl.h
index 4959b7a3e1e6..11f996f24fde 100644
--- a/arch/alpha/kernel/machvec_impl.h
+++ b/arch/alpha/kernel/machvec_impl.h
@@ -41,7 +41,7 @@
 #define CAT1(x,y)  x##y
 #define CAT(x,y)   CAT1(x,y)
 
-#define DO_DEFAULT_RTC rtc_port: 0x70
+#define DO_DEFAULT_RTC .rtc_port = 0x70
 
 #define DO_EV4_MMU                                                      \
         .max_asn =                      EV4_MAX_ASN,                    \
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
index 6055e1427ba3..055bf5d28894 100644
--- a/arch/arm/kernel/module.c
+++ b/arch/arm/kernel/module.c
@@ -101,6 +101,8 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex,
                         break;
 
                 case R_ARM_PC24:
+                case R_ARM_CALL:
+                case R_ARM_JUMP24:
                         offset = (*(u32 *)loc & 0x00ffffff) << 2;
                         if (offset & 0x02000000)
                                 offset -= 0x04000000;
diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c
index f74b9af112dc..852ea72d8c80 100644
--- a/arch/arm/mach-pxa/pm.c
+++ b/arch/arm/mach-pxa/pm.c
@@ -155,19 +155,20 @@ int pxa_pm_enter(suspend_state_t state)
         PSPR = 0;
 
         /* restore registers */
+        RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2);
+        RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2);
         RESTORE(GAFR0_L); RESTORE(GAFR0_U);
         RESTORE(GAFR1_L); RESTORE(GAFR1_U);
         RESTORE(GAFR2_L); RESTORE(GAFR2_U);
-        RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2);
-        RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2);
         RESTORE(GRER0); RESTORE(GRER1); RESTORE(GRER2);
         RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2);
         RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2);
 
 #ifdef CONFIG_PXA27x
         RESTORE(MDREFR);
-        RESTORE(GAFR3_L); RESTORE(GAFR3_U); RESTORE_GPLEVEL(3);
-        RESTORE(GPDR3); RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3);
+        RESTORE_GPLEVEL(3); RESTORE(GPDR3);
+        RESTORE(GAFR3_L); RESTORE(GAFR3_U);
+        RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3);
         RESTORE(PWER); RESTORE(PCFR); RESTORE(PRER);
         RESTORE(PFER); RESTORE(PKWR);
 #endif
diff --git a/arch/i386/mm/ioremap.c b/arch/i386/mm/ioremap.c
index 8498b5ac3955..247fde76aaed 100644
--- a/arch/i386/mm/ioremap.c
+++ b/arch/i386/mm/ioremap.c
@@ -245,7 +245,7 @@ void iounmap(volatile void __iomem *addr)
                         addr < phys_to_virt(ISA_END_ADDRESS))
                 return;
 
-        addr = (volatile void *)(PAGE_MASK & (unsigned long __force)addr);
+        addr = (volatile void __iomem *)(PAGE_MASK & (unsigned long __force)addr);
 
         /* Use the vm area unlocked, assuming the caller
            ensures there isn't another iounmap for the same address
diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c
index 08a084901212..70a9cc132cf7 100644
--- a/arch/i386/pci/mmconfig.c
+++ b/arch/i386/pci/mmconfig.c
@@ -155,7 +155,7 @@ static __init void unreachable_devices(void)
                 addr = get_base_addr(0, 0, PCI_DEVFN(i, 0));
                 if (addr != 0)
                         pci_exp_set_dev_base(addr, 0, PCI_DEVFN(i, 0));
-                if (addr == 0 || readl((u32 *)addr) != val1)
+                if (addr == 0 || readl((u32 __iomem *)addr) != val1)
                         set_bit(i, fallback_slots);
                 spin_unlock_irqrestore(&pci_config_lock, flags);
         }
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index a4da715a360c..e9904c74d2ba 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -721,11 +721,13 @@ flush_thread (void)
         /* drop floating-point and debug-register state if it exists: */
         current->thread.flags &= ~(IA64_THREAD_FPH_VALID | IA64_THREAD_DBG_VALID);
         ia64_drop_fpu(current);
+#ifdef CONFIG_IA32_SUPPORT
         if (IS_IA32_PROCESS(ia64_task_regs(current))) {
                 ia32_drop_partial_page_list(current);
                 current->thread.task_size = IA32_PAGE_OFFSET;
                 set_fs(USER_DS);
         }
+#endif
 }
 
 /*
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_reg.c b/arch/ia64/sn/pci/pcibr/pcibr_reg.c
index 5d534091262c..79fdb91d7259 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_reg.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_reg.c
@@ -25,7 +25,7 @@ union br_ptr {
  */
 void pcireg_control_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
         if (pcibus_info) {
                 switch (pcibus_info->pbi_bridge_type) {
@@ -38,14 +38,14 @@ void pcireg_control_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits)
                 default:
                         panic
                             ("pcireg_control_bit_clr: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
 }
 
 void pcireg_control_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
         if (pcibus_info) {
                 switch (pcibus_info->pbi_bridge_type) {
@@ -58,7 +58,7 @@ void pcireg_control_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
                 default:
                         panic
                             ("pcireg_control_bit_set: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
 }
@@ -68,7 +68,7 @@ void pcireg_control_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
  */
 uint64_t pcireg_tflush_get(struct pcibus_info *pcibus_info)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
         uint64_t ret = 0;
 
         if (pcibus_info) {
@@ -82,7 +82,7 @@ uint64_t pcireg_tflush_get(struct pcibus_info *pcibus_info)
                 default:
                         panic
                             ("pcireg_tflush_get: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
 
@@ -98,7 +98,7 @@ uint64_t pcireg_tflush_get(struct pcibus_info *pcibus_info)
  */
 uint64_t pcireg_intr_status_get(struct pcibus_info * pcibus_info)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
         uint64_t ret = 0;
 
         if (pcibus_info) {
@@ -112,7 +112,7 @@ uint64_t pcireg_intr_status_get(struct pcibus_info * pcibus_info)
                 default:
                         panic
                             ("pcireg_intr_status_get: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
         return ret;
@@ -123,7 +123,7 @@ uint64_t pcireg_intr_status_get(struct pcibus_info * pcibus_info)
  */
 void pcireg_intr_enable_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
         if (pcibus_info) {
                 switch (pcibus_info->pbi_bridge_type) {
@@ -136,14 +136,14 @@ void pcireg_intr_enable_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits)
                 default:
                         panic
                             ("pcireg_intr_enable_bit_clr: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
 }
 
 void pcireg_intr_enable_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
         if (pcibus_info) {
                 switch (pcibus_info->pbi_bridge_type) {
@@ -156,7 +156,7 @@ void pcireg_intr_enable_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
                 default:
                         panic
                             ("pcireg_intr_enable_bit_set: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
 }
@@ -167,7 +167,7 @@ void pcireg_intr_enable_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
 void pcireg_intr_addr_addr_set(struct pcibus_info *pcibus_info, int int_n,
                                uint64_t addr)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
         if (pcibus_info) {
                 switch (pcibus_info->pbi_bridge_type) {
@@ -186,7 +186,7 @@ void pcireg_intr_addr_addr_set(struct pcibus_info *pcibus_info, int int_n,
                 default:
                         panic
                             ("pcireg_intr_addr_addr_get: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
 }
@@ -196,7 +196,7 @@ void pcireg_intr_addr_addr_set(struct pcibus_info *pcibus_info, int int_n,
  */
 void pcireg_force_intr_set(struct pcibus_info *pcibus_info, int int_n)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
         if (pcibus_info) {
                 switch (pcibus_info->pbi_bridge_type) {
@@ -209,7 +209,7 @@ void pcireg_force_intr_set(struct pcibus_info *pcibus_info, int int_n)
                 default:
                         panic
                             ("pcireg_force_intr_set: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
 }
@@ -219,7 +219,7 @@ void pcireg_force_intr_set(struct pcibus_info *pcibus_info, int int_n)
  */
 uint64_t pcireg_wrb_flush_get(struct pcibus_info *pcibus_info, int device)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
         uint64_t ret = 0;
 
         if (pcibus_info) {
@@ -233,7 +233,7 @@ uint64_t pcireg_wrb_flush_get(struct pcibus_info *pcibus_info, int device)
                             __sn_readq_relaxed(&ptr->pic.p_wr_req_buf[device]);
                         break;
                 default:
-                      panic("pcireg_wrb_flush_get: unknown bridgetype bridge 0x%p", (void *)ptr);
+                      panic("pcireg_wrb_flush_get: unknown bridgetype bridge 0x%p", ptr);
                 }
 
         }
@@ -244,7 +244,7 @@ uint64_t pcireg_wrb_flush_get(struct pcibus_info *pcibus_info, int device)
 void pcireg_int_ate_set(struct pcibus_info *pcibus_info, int ate_index,
                         uint64_t val)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
         if (pcibus_info) {
                 switch (pcibus_info->pbi_bridge_type) {
@@ -257,15 +257,15 @@ void pcireg_int_ate_set(struct pcibus_info *pcibus_info, int ate_index,
                 default:
                         panic
                             ("pcireg_int_ate_set: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
 }
 
-uint64_t *pcireg_int_ate_addr(struct pcibus_info *pcibus_info, int ate_index)
+uint64_t __iomem *pcireg_int_ate_addr(struct pcibus_info *pcibus_info, int ate_index)
 {
-        union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
-        uint64_t *ret = (uint64_t *) 0;
+        union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
+        uint64_t __iomem *ret = NULL;
 
         if (pcibus_info) {
                 switch (pcibus_info->pbi_bridge_type) {
@@ -278,7 +278,7 @@ uint64_t *pcireg_int_ate_addr(struct pcibus_info *pcibus_info, int ate_index)
                 default:
                         panic
                             ("pcireg_int_ate_addr: unknown bridgetype bridge 0x%p",
-                             (void *)ptr);
+                             ptr);
                 }
         }
         return ret;
diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
index 46b646a6d345..27aa1842dacc 100644
--- a/arch/ia64/sn/pci/tioca_provider.c
+++ b/arch/ia64/sn/pci/tioca_provider.c
@@ -38,10 +38,10 @@ tioca_gart_init(struct tioca_kernel *tioca_kern)
         uint64_t offset;
         struct page *tmp;
         struct tioca_common *tioca_common;
-        struct tioca *ca_base;
+        struct tioca __iomem *ca_base;
 
         tioca_common = tioca_kern->ca_common;
-        ca_base = (struct tioca *)tioca_common->ca_common.bs_base;
+        ca_base = (struct tioca __iomem *)tioca_common->ca_common.bs_base;
 
         if (list_empty(tioca_kern->ca_devices))
                 return 0;
@@ -215,7 +215,7 @@ tioca_fastwrite_enable(struct tioca_kernel *tioca_kern)
 {
         int cap_ptr;
         uint32_t reg;
-        struct tioca *tioca_base;
+        struct tioca __iomem *tioca_base;
         struct pci_dev *pdev;
         struct tioca_common *common;
 
@@ -257,7 +257,7 @@ tioca_fastwrite_enable(struct tioca_kernel *tioca_kern)
          * Set ca's fw to match
          */
 
-        tioca_base = (struct tioca *)common->ca_common.bs_base;
+        tioca_base = (struct tioca __iomem*)common->ca_common.bs_base;
         __sn_setq_relaxed(&tioca_base->ca_control1, CA_AGP_FW_ENABLE);
 }
 
@@ -322,7 +322,7 @@ static uint64_t
 tioca_dma_d48(struct pci_dev *pdev, uint64_t paddr)
 {
         struct tioca_common *tioca_common;
-        struct tioca *ca_base;
+        struct tioca __iomem *ca_base;
         uint64_t ct_addr;
         dma_addr_t bus_addr;
         uint32_t node_upper;
@@ -330,7 +330,7 @@ tioca_dma_d48(struct pci_dev *pdev, uint64_t paddr)
         struct pcidev_info *pcidev_info = SN_PCIDEV_INFO(pdev);
 
         tioca_common = (struct tioca_common *)pcidev_info->pdi_pcibus_info;
-        ca_base = (struct tioca *)tioca_common->ca_common.bs_base;
+        ca_base = (struct tioca __iomem *)tioca_common->ca_common.bs_base;
 
         ct_addr = PHYS_TO_TIODMA(paddr);
         if (!ct_addr)
diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c
index f72ced11212d..91b93d917b64 100644
--- a/arch/powerpc/kernel/syscalls.c
+++ b/arch/powerpc/kernel/syscalls.c
@@ -247,7 +247,7 @@ long ppc64_personality(unsigned long personality)
 #define OVERRIDE_MACHINE    0
 #endif
 
-static inline int override_machine(char *mach)
+static inline int override_machine(char __user *mach)
 {
         if (OVERRIDE_MACHINE) {
                 /* change ppc64 to ppc */
diff --git a/arch/sparc/kernel/ebus.c b/arch/sparc/kernel/ebus.c
index 1754192c69d0..5c3529ceb5d6 100644
--- a/arch/sparc/kernel/ebus.c
+++ b/arch/sparc/kernel/ebus.c
@@ -22,7 +22,7 @@
 #include <asm/oplib.h>
 #include <asm/bpp.h>
 
-struct linux_ebus *ebus_chain = 0;
+struct linux_ebus *ebus_chain = NULL;
 
 /* We are together with pcic.c under CONFIG_PCI. */
 extern unsigned int pcic_pin_to_irq(unsigned int, char *name);
@@ -46,7 +46,7 @@ static struct ebus_device_irq je1_1[] = {
         { "SUNW,CS4231",         0 },
         { "parallel",            0 },
         { "se",                  2 },
-        { 0, 0 }
+        { NULL, 0 }
 };
 
 /*
@@ -55,7 +55,7 @@ static struct ebus_device_irq je1_1[] = {
  */
 static struct ebus_system_entry ebus_blacklist[] = {
         { "SUNW,JavaEngine1", je1_1 },
-        { 0, 0 }
+        { NULL, NULL }
 };
 
 static struct ebus_device_irq *ebus_blackp = NULL;
@@ -233,7 +233,7 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
                         ebus_alloc(sizeof(struct linux_ebus_child));
 
                 child = dev->children;
-                child->next = 0;
+                child->next = NULL;
                 child->parent = dev;
                 child->bus = dev->bus;
                 fill_ebus_child(node, &regs[0], child);
@@ -243,7 +243,7 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
                                 ebus_alloc(sizeof(struct linux_ebus_child));
 
                         child = child->next;
-                        child->next = 0;
+                        child->next = NULL;
                         child->parent = dev;
                         child->bus = dev->bus;
                         fill_ebus_child(node, &regs[0], child);
@@ -275,7 +275,7 @@ void __init ebus_init(void)
                 }
         }
 
-        pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_EBUS, 0);
+        pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_EBUS, NULL);
         if (!pdev) {
                 return;
         }
@@ -284,7 +284,7 @@ void __init ebus_init(void)
 
         ebus_chain = ebus = (struct linux_ebus *)
                         ebus_alloc(sizeof(struct linux_ebus));
-        ebus->next = 0;
+        ebus->next = NULL;
 
         while (ebusnd) {
 
@@ -325,8 +325,8 @@ void __init ebus_init(void)
                                 ebus_alloc(sizeof(struct linux_ebus_device));
 
                 dev = ebus->devices;
-                dev->next = 0;
-                dev->children = 0;
+                dev->next = NULL;
+                dev->children = NULL;
                 dev->bus = ebus;
                 fill_ebus_device(nd, dev);
 
@@ -335,8 +335,8 @@ void __init ebus_init(void)
                                 ebus_alloc(sizeof(struct linux_ebus_device));
 
                         dev = dev->next;
-                        dev->next = 0;
-                        dev->children = 0;
+                        dev->next = NULL;
+                        dev->children = NULL;
                         dev->bus = ebus;
                         fill_ebus_device(nd, dev);
                 }
@@ -353,7 +353,7 @@ void __init ebus_init(void)
                 ebus->next = (struct linux_ebus *)
                         ebus_alloc(sizeof(struct linux_ebus));
                 ebus = ebus->next;
-                ebus->next = 0;
+                ebus->next = NULL;
                 ++num_ebus;
         }
         if (pdev)
diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c
index 2a3afca453c9..313d1620ae8e 100644
--- a/arch/sparc/kernel/led.c
+++ b/arch/sparc/kernel/led.c
@@ -55,7 +55,7 @@ static int led_read_proc(char *buf, char **start, off_t offset, int count,
         return len;
 }
 
-static int led_write_proc(struct file *file, const char *buffer,
+static int led_write_proc(struct file *file, const char __user *buffer,
                           unsigned long count, void *data)
 {
         char *buf = NULL;
diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c
index cccfc12802ed..42002b742deb 100644
--- a/arch/sparc/kernel/pcic.c
+++ b/arch/sparc/kernel/pcic.c
@@ -161,7 +161,7 @@ static struct pcic_sn2list pcic_known_sysnames[] = {
 static int pcic0_up;
 static struct linux_pcic pcic0;
 
-void * __iomem pcic_regs;
+void __iomem *pcic_regs;
 volatile int pcic_speculative;
 volatile int pcic_trapped;
 
diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c
index 24814d58f9e1..7dadcdb4ca42 100644
--- a/arch/sparc/kernel/time.c
+++ b/arch/sparc/kernel/time.c
@@ -49,7 +49,7 @@ DEFINE_SPINLOCK(rtc_lock);
 enum sparc_clock_type sp_clock_typ;
 DEFINE_SPINLOCK(mostek_lock);
 void __iomem *mstk48t02_regs = NULL;
-static struct mostek48t08 *mstk48t08_regs = NULL;
+static struct mostek48t08 __iomem *mstk48t08_regs = NULL;
 static int set_rtc_mmss(unsigned long);
 static int sbus_do_settimeofday(struct timespec *tv);
 
@@ -342,7 +342,7 @@ static __inline__ void clock_probe(void)
                 /* XXX r/o attribute is somewhere in r.flags */
                 r.flags = clk_reg[0].which_io;
                 r.start = clk_reg[0].phys_addr;
-                mstk48t08_regs = (struct mostek48t08 *) sbus_ioremap(&r, 0,
+                mstk48t08_regs = sbus_ioremap(&r, 0,
                     sizeof(struct mostek48t08), "mk48t08");
 
                 mstk48t02_regs = &mstk48t08_regs->regs;
diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c
index 1d560390e282..731f19603cad 100644
--- a/arch/sparc/mm/sun4c.c
+++ b/arch/sparc/mm/sun4c.c
@@ -497,7 +497,7 @@ static void __init sun4c_probe_mmu(void)
         patch_kernel_fault_handler();
 }
 
-volatile unsigned long *sun4c_memerr_reg = NULL;
+volatile unsigned long __iomem *sun4c_memerr_reg = NULL;
 
 void __init sun4c_probe_memerr_reg(void)
 {
diff --git a/arch/x86_64/mm/ioremap.c b/arch/x86_64/mm/ioremap.c
index 0d260e4492f7..ae207064201e 100644
--- a/arch/x86_64/mm/ioremap.c
+++ b/arch/x86_64/mm/ioremap.c
@@ -263,7 +263,7 @@ void iounmap(volatile void __iomem *addr)
                 addr < phys_to_virt(ISA_END_ADDRESS))
                 return;
 
-        addr = (volatile void *)(PAGE_MASK & (unsigned long __force)addr);
+        addr = (volatile void __iomem *)(PAGE_MASK & (unsigned long __force)addr);
         /* Use the vm area unlocked, assuming the caller
            ensures there isn't another iounmap for the same address
            in parallel. Reuse of the virtual address is prevented by
diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c
index 9c4f907e301c..f16c0d57c552 100644
--- a/arch/x86_64/pci/mmconfig.c
+++ b/arch/x86_64/pci/mmconfig.c
@@ -18,11 +18,11 @@ static DECLARE_BITMAP(fallback_slots, 32);
 /* Static virtual mapping of the MMCONFIG aperture */
 struct mmcfg_virt {
         struct acpi_table_mcfg_config *cfg;
-        char *virt;
+        char __iomem *virt;
 };
 static struct mmcfg_virt *pci_mmcfg_virt;
 
-static char *get_virt(unsigned int seg, unsigned bus)
+static char __iomem *get_virt(unsigned int seg, unsigned bus)
 {
         int cfg_num = -1;
         struct acpi_table_mcfg_config *cfg;
@@ -43,9 +43,9 @@ static char *get_virt(unsigned int seg, unsigned bus)
         }
 }
 
-static char *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn)
+static char __iomem *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn)
 {
-        char *addr;
+        char __iomem *addr;
         if (seg == 0 && bus == 0 && test_bit(PCI_SLOT(devfn), &fallback_slots))
                 return NULL;
         addr = get_virt(seg, bus);
@@ -57,7 +57,7 @@ static char *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn
 static int pci_mmcfg_read(unsigned int seg, unsigned int bus,
                           unsigned int devfn, int reg, int len, u32 *value)
 {
-        char *addr;
+        char __iomem *addr;
 
         /* Why do we have this when nobody checks it. How about a BUG()!? -AK */
         if (unlikely(!value || (bus > 255) || (devfn > 255) || (reg > 4095)))
@@ -85,7 +85,7 @@ static int pci_mmcfg_read(unsigned int seg, unsigned int bus,
 static int pci_mmcfg_write(unsigned int seg, unsigned int bus,
                            unsigned int devfn, int reg, int len, u32 value)
 {
-        char *addr;
+        char __iomem *addr;
 
         /* Why do we have this when nobody checks it. How about a BUG()!? -AK */
         if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095)))
@@ -127,7 +127,7 @@ static __init void unreachable_devices(void)
         int i;
         for (i = 0; i < 32; i++) {
                 u32 val1;
-                char *addr;
+                char __iomem *addr;
 
                 pci_conf1_read(0, 0, PCI_DEVFN(i,0), 0, 4, &val1);
                 if (val1 == 0xffffffff)