7 files changed, 167 insertions, 27 deletions

diff --git a/arch/arm/configs/s3c2410_defconfig b/arch/arm/configs/s3c2410_defconfig
index 2a63fb277196..98b72ff38832 100644
--- a/arch/arm/configs/s3c2410_defconfig
+++ b/arch/arm/configs/s3c2410_defconfig
@@ -1,14 +1,13 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc1-bk2
-# Sun Mar 27 17:47:45 2005
+# Linux kernel version: 2.6.12-git4
+# Wed Jun 22 15:56:42 2005
 #
 CONFIG_ARM=y
 CONFIG_MMU=y
 CONFIG_UID16=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
-CONFIG_GENERIC_IOMAP=y
 
 #
 # Code maturity level options
@@ -17,6 +16,7 @@ CONFIG_EXPERIMENTAL=y
 # CONFIG_CLEAN_COMPILE is not set
 CONFIG_BROKEN=y
 CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
 
 #
 # General setup
@@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -81,6 +83,7 @@ CONFIG_ARCH_S3C2410=y
 # CONFIG_ARCH_VERSATILE is not set
 # CONFIG_ARCH_IMX is not set
 # CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_AAEC2000 is not set
 
 #
 # S3C24XX Implementations
@@ -134,6 +137,7 @@ CONFIG_CPU_TLB_V4WBI=y
 #
 # Bus support
 #
+CONFIG_ISA_DMA_API=y
 
 #
 # PCCARD (PCMCIA/CardBus) support
@@ -143,7 +147,9 @@ CONFIG_CPU_TLB_V4WBI=y
 #
 # Kernel Features
 #
+# CONFIG_SMP is not set
 # CONFIG_PREEMPT is not set
+# CONFIG_DISCONTIGMEM is not set
 CONFIG_ALIGNMENT_TRAP=y
 
 #
@@ -297,7 +303,6 @@ CONFIG_PARPORT_1284=y
 #
 # Block devices
 #
-# CONFIG_BLK_DEV_FD is not set
 # CONFIG_PARIDE is not set
 # CONFIG_BLK_DEV_COW_COMMON is not set
 CONFIG_BLK_DEV_LOOP=y
@@ -359,6 +364,7 @@ CONFIG_BLK_DEV_IDE_BAST=y
 #
 # Fusion MPT device support
 #
+# CONFIG_FUSION is not set
 
 #
 # IEEE 1394 (FireWire) support
@@ -378,10 +384,11 @@ CONFIG_NET=y
 # Networking options
 #
 # CONFIG_PACKET is not set
-# CONFIG_NETLINK_DEV is not set
 CONFIG_UNIX=y
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
+CONFIG_IP_FIB_HASH=y
+# CONFIG_IP_FIB_TRIE is not set
 # CONFIG_IP_MULTICAST is not set
 # CONFIG_IP_ADVANCED_ROUTER is not set
 CONFIG_IP_PNP=y
@@ -443,8 +450,9 @@ CONFIG_NETDEVICES=y
 # Ethernet (10 or 100Mbit)
 #
 CONFIG_NET_ETHERNET=y
-# CONFIG_MII is not set
+CONFIG_MII=m
 # CONFIG_SMC91X is not set
+CONFIG_DM9000=m
 
 #
 # Ethernet (1000 Mbit)
@@ -521,7 +529,6 @@ CONFIG_SERIO_SERPORT=y
 CONFIG_SERIO_LIBPS2=y
 # CONFIG_SERIO_RAW is not set
 # CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
 
 #
 # Character devices
@@ -605,7 +612,6 @@ CONFIG_S3C2410_RTC=y
 #
 # TPM devices
 #
-# CONFIG_TCG_TPM is not set
 
 #
 # I2C support
@@ -654,6 +660,7 @@ CONFIG_SENSORS_LM78=m
 CONFIG_SENSORS_LM85=m
 # CONFIG_SENSORS_LM87 is not set
 # CONFIG_SENSORS_LM90 is not set
+# CONFIG_SENSORS_LM92 is not set
 # CONFIG_SENSORS_MAX1619 is not set
 # CONFIG_SENSORS_PC87360 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
@@ -665,6 +672,7 @@ CONFIG_SENSORS_LM85=m
 #
 # Other I2C Chip support
 #
+# CONFIG_SENSORS_DS1337 is not set
 CONFIG_SENSORS_EEPROM=m
 # CONFIG_SENSORS_PCF8574 is not set
 # CONFIG_SENSORS_PCF8591 is not set
@@ -696,8 +704,10 @@ CONFIG_FB=y
 # CONFIG_FB_CFB_COPYAREA is not set
 # CONFIG_FB_CFB_IMAGEBLIT is not set
 # CONFIG_FB_SOFT_CURSOR is not set
+# CONFIG_FB_MACMODES is not set
 CONFIG_FB_MODE_HELPERS=y
 # CONFIG_FB_TILEBLITTING is not set
+# CONFIG_FB_S1D13XXX is not set
 # CONFIG_FB_VIRTUAL is not set
 
 #
@@ -782,7 +792,6 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 #
 CONFIG_PROC_FS=y
 CONFIG_SYSFS=y
-# CONFIG_DEVFS_FS is not set
 # CONFIG_DEVPTS_FS_XATTR is not set
 # CONFIG_TMPFS is not set
 # CONFIG_HUGETLBFS is not set
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
index 3bb97eb6e693..f3e970039b65 100644
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -26,6 +26,7 @@
  *     03-Mar-2005 BJD  Ensured that bast-cpld.h is included
  *     10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
  *     14-Mar-2006 BJD  Updated for __iomem changes
+ *     22-Jun-2006 BJD  Added DM9000 platform information
 */
 
 #include <linux/kernel.h>
@@ -35,6 +36,7 @@
 #include <linux/timer.h>
 #include <linux/init.h>
 #include <linux/device.h>
+#include <linux/dm9000.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
@@ -53,6 +55,7 @@
 #include <asm/arch/regs-serial.h>
 #include <asm/arch/regs-gpio.h>
 #include <asm/arch/regs-mem.h>
+#include <asm/arch/regs-lcd.h>
 #include <asm/arch/nand.h>
 
 #include <linux/mtd/mtd.h>
@@ -112,7 +115,6 @@ static struct map_desc bast_iodesc[] __initdata = {
   { VA_C2(BAST_VA_ISAMEM),  PA_CS2(BAST_PA_ISAMEM),   SZ_16M, MT_DEVICE },
   { VA_C2(BAST_VA_ASIXNET), PA_CS3(BAST_PA_ASIXNET),  SZ_1M,  MT_DEVICE },
   { VA_C2(BAST_VA_SUPERIO), PA_CS2(BAST_PA_SUPERIO),  SZ_1M,  MT_DEVICE },
-  { VA_C2(BAST_VA_DM9000),  PA_CS2(BAST_PA_DM9000),   SZ_1M,  MT_DEVICE },
   { VA_C2(BAST_VA_IDEPRI),  PA_CS3(BAST_PA_IDEPRI),   SZ_1M,  MT_DEVICE },
   { VA_C2(BAST_VA_IDESEC),  PA_CS3(BAST_PA_IDESEC),   SZ_1M,  MT_DEVICE },
   { VA_C2(BAST_VA_IDEPRIAUX), PA_CS3(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
@@ -123,7 +125,6 @@ static struct map_desc bast_iodesc[] __initdata = {
   { VA_C3(BAST_VA_ISAMEM),  PA_CS3(BAST_PA_ISAMEM),   SZ_16M, MT_DEVICE },
   { VA_C3(BAST_VA_ASIXNET), PA_CS3(BAST_PA_ASIXNET),  SZ_1M,  MT_DEVICE },
   { VA_C3(BAST_VA_SUPERIO), PA_CS3(BAST_PA_SUPERIO),  SZ_1M,  MT_DEVICE },
-  { VA_C3(BAST_VA_DM9000),  PA_CS3(BAST_PA_DM9000),   SZ_1M,  MT_DEVICE },
   { VA_C3(BAST_VA_IDEPRI),  PA_CS3(BAST_PA_IDEPRI),   SZ_1M,  MT_DEVICE },
   { VA_C3(BAST_VA_IDESEC),  PA_CS3(BAST_PA_IDESEC),   SZ_1M,  MT_DEVICE },
   { VA_C3(BAST_VA_IDEPRIAUX), PA_CS3(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
@@ -134,7 +135,6 @@ static struct map_desc bast_iodesc[] __initdata = {
   { VA_C4(BAST_VA_ISAMEM),  PA_CS4(BAST_PA_ISAMEM),   SZ_16M, MT_DEVICE },
   { VA_C4(BAST_VA_ASIXNET), PA_CS5(BAST_PA_ASIXNET),  SZ_1M,  MT_DEVICE },
   { VA_C4(BAST_VA_SUPERIO), PA_CS4(BAST_PA_SUPERIO),  SZ_1M,  MT_DEVICE },
-  { VA_C4(BAST_VA_DM9000),  PA_CS4(BAST_PA_DM9000),   SZ_1M,  MT_DEVICE },
   { VA_C4(BAST_VA_IDEPRI),  PA_CS5(BAST_PA_IDEPRI),   SZ_1M,  MT_DEVICE },
   { VA_C4(BAST_VA_IDESEC),  PA_CS5(BAST_PA_IDESEC),   SZ_1M,  MT_DEVICE },
   { VA_C4(BAST_VA_IDEPRIAUX), PA_CS5(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
@@ -145,7 +145,6 @@ static struct map_desc bast_iodesc[] __initdata = {
   { VA_C5(BAST_VA_ISAMEM),  PA_CS5(BAST_PA_ISAMEM),   SZ_16M, MT_DEVICE },
   { VA_C5(BAST_VA_ASIXNET), PA_CS5(BAST_PA_ASIXNET),  SZ_1M,  MT_DEVICE },
   { VA_C5(BAST_VA_SUPERIO), PA_CS5(BAST_PA_SUPERIO),  SZ_1M,  MT_DEVICE },
-  { VA_C5(BAST_VA_DM9000),  PA_CS5(BAST_PA_DM9000),   SZ_1M,  MT_DEVICE },
   { VA_C5(BAST_VA_IDEPRI),  PA_CS5(BAST_PA_IDEPRI),   SZ_1M,  MT_DEVICE },
   { VA_C5(BAST_VA_IDESEC),  PA_CS5(BAST_PA_IDESEC),   SZ_1M,  MT_DEVICE },
   { VA_C5(BAST_VA_IDEPRIAUX), PA_CS5(BAST_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
@@ -313,6 +312,45 @@ static struct s3c2410_platform_nand bast_nand_info = {
         .select_chip    = bast_nand_select,
 };
 
+/* DM9000 */
+
+static struct resource bast_dm9k_resource[] = {
+        [0] = {
+                .start = S3C2410_CS5 + BAST_PA_DM9000,
+                .end   = S3C2410_CS5 + BAST_PA_DM9000 + 3,
+                .flags = IORESOURCE_MEM
+        },
+        [1] = {
+                .start = S3C2410_CS5 + BAST_PA_DM9000 + 0x40,
+                .end   = S3C2410_CS5 + BAST_PA_DM9000 + 0x40 + 0x3f,
+                .flags = IORESOURCE_MEM
+        },
+        [2] = {
+                .start = IRQ_DM9000,
+                .end   = IRQ_DM9000,
+                .flags = IORESOURCE_IRQ
+        }
+
+};
+
+/* for the moment we limit ourselves to 16bit IO until some
+ * better IO routines can be written and tested
+*/
+
+struct dm9000_plat_data bast_dm9k_platdata = {
+        .flags          = DM9000_PLATF_16BITONLY
+};
+
+static struct platform_device bast_device_dm9k = {
+        .name           = "dm9000",
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(bast_dm9k_resource),
+        .resource       = bast_dm9k_resource,
+        .dev            = {
+                .platform_data = &bast_dm9k_platdata,
+        }
+};
+
 
 /* Standard BAST devices */
 
@@ -324,7 +362,8 @@ static struct platform_device *bast_devices[] __initdata = {
         &s3c_device_iis,
         &s3c_device_rtc,
         &s3c_device_nand,
-        &bast_device_nor
+        &bast_device_nor,
+        &bast_device_dm9k,
 };
 
 static struct clk *bast_clocks[] = {
diff --git a/arch/arm/mach-s3c2410/mach-vr1000.c b/arch/arm/mach-s3c2410/mach-vr1000.c
index 5512146b1ce4..76be074944a0 100644
--- a/arch/arm/mach-s3c2410/mach-vr1000.c
+++ b/arch/arm/mach-s3c2410/mach-vr1000.c
@@ -27,6 +27,7 @@
  *     10-Feb-2005 BJD  Added power-off capability
  *     10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
  *     14-Mar-2006 BJD  void __iomem fixes
+ *     22-Jun-2006 BJD  Added DM9000 platform information
 */
 
 #include <linux/kernel.h>
@@ -35,6 +36,7 @@
 #include <linux/list.h>
 #include <linux/timer.h>
 #include <linux/init.h>
+#include <linux/dm9000.h>
 
 #include <linux/serial.h>
 #include <linux/tty.h>
@@ -98,28 +100,24 @@ static struct map_desc vr1000_iodesc[] __initdata = {
    * are only 8bit */
 
   /* slow, byte */
-  { VA_C2(VR1000_VA_DM9000),  PA_CS2(VR1000_PA_DM9000),   SZ_1M,  MT_DEVICE },
   { VA_C2(VR1000_VA_IDEPRI),  PA_CS3(VR1000_PA_IDEPRI),   SZ_1M,  MT_DEVICE },
   { VA_C2(VR1000_VA_IDESEC),  PA_CS3(VR1000_PA_IDESEC),   SZ_1M,  MT_DEVICE },
   { VA_C2(VR1000_VA_IDEPRIAUX), PA_CS3(VR1000_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
   { VA_C2(VR1000_VA_IDESECAUX), PA_CS3(VR1000_PA_IDESECAUX), SZ_1M, MT_DEVICE },
 
   /* slow, word */
-  { VA_C3(VR1000_VA_DM9000),  PA_CS3(VR1000_PA_DM9000),   SZ_1M,  MT_DEVICE },
   { VA_C3(VR1000_VA_IDEPRI),  PA_CS3(VR1000_PA_IDEPRI),   SZ_1M,  MT_DEVICE },
   { VA_C3(VR1000_VA_IDESEC),  PA_CS3(VR1000_PA_IDESEC),   SZ_1M,  MT_DEVICE },
   { VA_C3(VR1000_VA_IDEPRIAUX), PA_CS3(VR1000_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
   { VA_C3(VR1000_VA_IDESECAUX), PA_CS3(VR1000_PA_IDESECAUX), SZ_1M, MT_DEVICE },
 
   /* fast, byte */
-  { VA_C4(VR1000_VA_DM9000),  PA_CS4(VR1000_PA_DM9000),   SZ_1M,  MT_DEVICE },
   { VA_C4(VR1000_VA_IDEPRI),  PA_CS5(VR1000_PA_IDEPRI),   SZ_1M,  MT_DEVICE },
   { VA_C4(VR1000_VA_IDESEC),  PA_CS5(VR1000_PA_IDESEC),   SZ_1M,  MT_DEVICE },
   { VA_C4(VR1000_VA_IDEPRIAUX), PA_CS5(VR1000_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
   { VA_C4(VR1000_VA_IDESECAUX), PA_CS5(VR1000_PA_IDESECAUX), SZ_1M, MT_DEVICE },
 
   /* fast, word */
-  { VA_C5(VR1000_VA_DM9000),  PA_CS5(VR1000_PA_DM9000),   SZ_1M,  MT_DEVICE },
   { VA_C5(VR1000_VA_IDEPRI),  PA_CS5(VR1000_PA_IDEPRI),   SZ_1M,  MT_DEVICE },
   { VA_C5(VR1000_VA_IDESEC),  PA_CS5(VR1000_PA_IDESEC),   SZ_1M,  MT_DEVICE },
   { VA_C5(VR1000_VA_IDEPRIAUX), PA_CS5(VR1000_PA_IDEPRIAUX), SZ_1M, MT_DEVICE },
@@ -246,6 +244,74 @@ static struct platform_device vr1000_nor = {
         .resource       = vr1000_nor_resource,
 };
 
+/* DM9000 ethernet devices */
+
+static struct resource vr1000_dm9k0_resource[] = {
+        [0] = {
+                .start = S3C2410_CS5 + VR1000_PA_DM9000,
+                .end   = S3C2410_CS5 + VR1000_PA_DM9000 + 3,
+                .flags = IORESOURCE_MEM
+        },
+        [1] = {
+                .start = S3C2410_CS5 + VR1000_PA_DM9000 + 0x40,
+                .end   = S3C2410_CS5 + VR1000_PA_DM9000 + 0x7f,
+                .flags = IORESOURCE_MEM
+        },
+        [2] = {
+                .start = IRQ_VR1000_DM9000A,
+                .end   = IRQ_VR1000_DM9000A,
+                .flags = IORESOURCE_IRQ
+        }
+
+};
+
+static struct resource vr1000_dm9k1_resource[] = {
+        [0] = {
+                .start = S3C2410_CS5 + VR1000_PA_DM9000 + 0x80,
+                .end   = S3C2410_CS5 + VR1000_PA_DM9000 + 0x83,
+                .flags = IORESOURCE_MEM
+        },
+        [1] = {
+                .start = S3C2410_CS5 + VR1000_PA_DM9000 + 0xC0,
+                .end   = S3C2410_CS5 + VR1000_PA_DM9000 + 0xFF,
+                .flags = IORESOURCE_MEM
+        },
+        [2] = {
+                .start = IRQ_VR1000_DM9000N,
+                .end   = IRQ_VR1000_DM9000N,
+                .flags = IORESOURCE_IRQ
+        }
+};
+
+/* for the moment we limit ourselves to 16bit IO until some
+ * better IO routines can be written and tested
+*/
+
+struct dm9000_plat_data vr1000_dm9k_platdata = {
+        .flags          = DM9000_PLATF_16BITONLY,
+};
+
+static struct platform_device vr1000_dm9k0 = {
+        .name           = "dm9000",
+        .id             = 0,
+        .num_resources  = ARRAY_SIZE(vr1000_dm9k0_resource),
+        .resource       = vr1000_dm9k0_resource,
+        .dev            = {
+                .platform_data = &vr1000_dm9k_platdata,
+        }
+};
+
+static struct platform_device vr1000_dm9k1 = {
+        .name           = "dm9000",
+        .id             = 1,
+        .num_resources  = ARRAY_SIZE(vr1000_dm9k1_resource),
+        .resource       = vr1000_dm9k1_resource,
+        .dev            = {
+                .platform_data = &vr1000_dm9k_platdata,
+        }
+};
+
+/* devices for this board */
 
 static struct platform_device *vr1000_devices[] __initdata = {
         &s3c_device_usb,
@@ -253,8 +319,11 @@ static struct platform_device *vr1000_devices[] __initdata = {
         &s3c_device_wdt,
         &s3c_device_i2c,
         &s3c_device_iis,
+        &s3c_device_adc,
         &serial_device,
         &vr1000_nor,
+        &vr1000_dm9k0,
+        &vr1000_dm9k1
 };
 
 static struct clk *vr1000_clocks[] = {
diff --git a/arch/arm/nwfpe/softfloat-macros b/arch/arm/nwfpe/softfloat-macros
index 5469989f2c5e..5a060f95a58f 100644
--- a/arch/arm/nwfpe/softfloat-macros
+++ b/arch/arm/nwfpe/softfloat-macros
@@ -563,8 +563,14 @@ static bits64 estimateDiv128To64( bits64 a0, bits64 a1, bits64 b )
     bits64 rem0, rem1, term0, term1;
     bits64 z;
     if ( b <= a0 ) return LIT64( 0xFFFFFFFFFFFFFFFF );
-    b0 = b>>32;
-    z = ( b0<<32 <= a0 ) ? LIT64( 0xFFFFFFFF00000000 ) : ( a0 / b0 )<<32;
+    b0 = b>>32;  /* hence b0 is 32 bits wide now */
+    if ( b0<<32 <= a0 ) {
+        z = LIT64( 0xFFFFFFFF00000000 );
+    }  else {
+        z = a0;
+        do_div( z, b0 );
+        z <<= 32;
+    }
     mul64To128( b, z, &term0, &term1 );
     sub128( a0, a1, term0, term1, &rem0, &rem1 );
     while ( ( (sbits64) rem0 ) < 0 ) {
@@ -573,7 +579,12 @@ static bits64 estimateDiv128To64( bits64 a0, bits64 a1, bits64 b )
         add128( rem0, rem1, b0, b1, &rem0, &rem1 );
     }
     rem0 = ( rem0<<32 ) | ( rem1>>32 );
-    z |= ( b0<<32 <= rem0 ) ? 0xFFFFFFFF : rem0 / b0;
+    if ( b0<<32 <= rem0 ) {
+        z |= 0xFFFFFFFF;
+    } else {
+        do_div( rem0, b0 );
+        z |= rem0;
+    }
     return z;
 
 }
@@ -601,6 +612,7 @@ static bits32 estimateSqrt32( int16 aExp, bits32 a )
     };
     int8 index;
     bits32 z;
+    bits64 A;
 
     index = ( a>>27 ) & 15;
     if ( aExp & 1 ) {
@@ -614,7 +626,9 @@ static bits32 estimateSqrt32( int16 aExp, bits32 a )
         z = ( 0x20000 <= z ) ? 0xFFFF8000 : ( z<<15 );
         if ( z <= a ) return (bits32) ( ( (sbits32) a )>>1 );
     }
-    return ( (bits32) ( ( ( (bits64) a )<<31 ) / z ) ) + ( z>>1 );
+    A = ( (bits64) a )<<31;
+    do_div( A, z );
+    return ( (bits32) A ) + ( z>>1 );
 
 }
 
diff --git a/arch/arm/nwfpe/softfloat.c b/arch/arm/nwfpe/softfloat.c
index 9d743ae29062..e038dd3be9b3 100644
--- a/arch/arm/nwfpe/softfloat.c
+++ b/arch/arm/nwfpe/softfloat.c
@@ -28,6 +28,8 @@ this code that are retained.
 ===============================================================================
 */
 
+#include <asm/div64.h>
+
 #include "fpa11.h"
 //#include "milieu.h"
 //#include "softfloat.h"
@@ -1331,7 +1333,11 @@ float32 float32_div( float32 a, float32 b )
         aSig >>= 1;
         ++zExp;
     }
-    zSig = ( ( (bits64) aSig )<<32 ) / bSig;
+    {
+        bits64 tmp = ( (bits64) aSig )<<32;
+        do_div( tmp, bSig );
+        zSig = tmp;
+    }
     if ( ( zSig & 0x3F ) == 0 ) {
         zSig |= ( ( (bits64) bSig ) * zSig != ( (bits64) aSig )<<32 );
     }
@@ -1397,7 +1403,9 @@ float32 float32_rem( float32 a, float32 b )
         q = ( bSig <= aSig );
         if ( q ) aSig -= bSig;
         if ( 0 < expDiff ) {
-            q = ( ( (bits64) aSig )<<32 ) / bSig;
+            bits64 tmp = ( (bits64) aSig )<<32;
+            do_div( tmp, bSig );
+            q = tmp;
             q >>= 32 - expDiff;
             bSig >>= 2;
             aSig = ( ( aSig>>1 )<<( expDiff - 1 ) ) - bSig * q;
diff --git a/drivers/serial/s3c2410.c b/drivers/serial/s3c2410.c
index 2a9f7ade2c9d..5c4678478b1d 100644
--- a/drivers/serial/s3c2410.c
+++ b/drivers/serial/s3c2410.c
@@ -198,7 +198,7 @@ static inline struct s3c24xx_uart_port *to_ourport(struct uart_port *port)
 
 /* translate a port to the device name */
 
-static inline char *s3c24xx_serial_portname(struct uart_port *port)
+static inline const char *s3c24xx_serial_portname(struct uart_port *port)
 {
         return to_platform_device(port->dev)->name;
 }
@@ -903,7 +903,7 @@ static void s3c24xx_serial_release_port(struct uart_port *port)
 
 static int s3c24xx_serial_request_port(struct uart_port *port)
 {
-        char *name = s3c24xx_serial_portname(port);
+        const char *name = s3c24xx_serial_portname(port);
         return request_mem_region(port->mapbase, MAP_SIZE, name) ? 0 : -EBUSY;
 }
 
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 815fbc8317fc..16e37a535d85 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -43,6 +43,7 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/uaccess.h>
+#include <asm/div64.h>
 #include <asm/arch/pxa-regs.h>
 #include <asm/arch/bitfield.h>
 #include <asm/arch/pxafb.h>
@@ -460,7 +461,7 @@ static inline unsigned int get_pcd(unsigned int pixclock)
          * speeds */
 
         pcd = (unsigned long long)get_lcdclk_frequency_10khz() * pixclock;
-        pcd /= 100000000 * 2;
+        do_div(pcd, 100000000 * 2);
         /* no need for this, since we should subtract 1 anyway. they cancel */
         /* pcd += 1; */ /* make up for integer math truncations */
         return (unsigned int)pcd;