Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

15 files changed, 116 insertions, 114 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 776d76b8cb69..b259c7c644e3 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1246,7 +1246,7 @@ config PL310_ERRATA_588369
 
 config ARM_ERRATA_720789
         bool "ARM errata: TLBIASIDIS and TLBIMVAIS operations can broadcast a faulty ASID"
-        depends on CPU_V7 && SMP
+        depends on CPU_V7
         help
           This option enables the workaround for the 720789 Cortex-A9 (prior to
           r2p0) erratum. A faulty ASID can be sent to the other CPUs for the
@@ -1282,7 +1282,7 @@ config ARM_ERRATA_743622
 
 config ARM_ERRATA_751472
         bool "ARM errata: Interrupted ICIALLUIS may prevent completion of broadcasted operation"
-        depends on CPU_V7 && SMP
+        depends on CPU_V7
         help
           This option enables the workaround for the 751472 Cortex-A9 (prior
           to r3p0) erratum. An interrupted ICIALLUIS operation may prevent the
diff --git a/arch/arm/common/pl330.c b/arch/arm/common/pl330.c
index f407a6b35d3d..8d8df744f7a5 100644
--- a/arch/arm/common/pl330.c
+++ b/arch/arm/common/pl330.c
@@ -221,17 +221,6 @@
  */
 #define MCODE_BUFF_PER_REQ      256
 
-/*
- * Mark a _pl330_req as free.
- * We do it by writing DMAEND as the first instruction
- * because no valid request is going to have DMAEND as
- * its first instruction to execute.
- */
-#define MARK_FREE(req)  do { \
-                                _emit_END(0, (req)->mc_cpu); \
-                                (req)->mc_len = 0; \
-                        } while (0)
-
 /* If the _pl330_req is available to the client */
 #define IS_FREE(req)    (*((u8 *)((req)->mc_cpu)) == CMD_DMAEND)
 
@@ -301,8 +290,10 @@ struct pl330_thread {
         struct pl330_dmac *dmac;
         /* Only two at a time */
         struct _pl330_req req[2];
-        /* Index of the last submitted request */
+        /* Index of the last enqueued request */
         unsigned lstenq;
+        /* Index of the last submitted request or -1 if the DMA is stopped */
+        int req_running;
 };
 
 enum pl330_dmac_state {
@@ -778,6 +769,22 @@ static inline void _execute_DBGINSN(struct pl330_thread *thrd,
         writel(0, regs + DBGCMD);
 }
 
+/*
+ * Mark a _pl330_req as free.
+ * We do it by writing DMAEND as the first instruction
+ * because no valid request is going to have DMAEND as
+ * its first instruction to execute.
+ */
+static void mark_free(struct pl330_thread *thrd, int idx)
+{
+        struct _pl330_req *req = &thrd->req[idx];
+
+        _emit_END(0, req->mc_cpu);
+        req->mc_len = 0;
+
+        thrd->req_running = -1;
+}
+
 static inline u32 _state(struct pl330_thread *thrd)
 {
         void __iomem *regs = thrd->dmac->pinfo->base;
@@ -836,31 +843,6 @@ static inline u32 _state(struct pl330_thread *thrd)
         }
 }
 
-/* If the request 'req' of thread 'thrd' is currently active */
-static inline bool _req_active(struct pl330_thread *thrd,
-                struct _pl330_req *req)
-{
-        void __iomem *regs = thrd->dmac->pinfo->base;
-        u32 buf = req->mc_bus, pc = readl(regs + CPC(thrd->id));
-
-        if (IS_FREE(req))
-                return false;
-
-        return (pc >= buf && pc <= buf + req->mc_len) ? true : false;
-}
-
-/* Returns 0 if the thread is inactive, ID of active req + 1 otherwise */
-static inline unsigned _thrd_active(struct pl330_thread *thrd)
-{
-        if (_req_active(thrd, &thrd->req[0]))
-                return 1; /* First req active */
-
-        if (_req_active(thrd, &thrd->req[1]))
-                return 2; /* Second req active */
-
-        return 0;
-}
-
 static void _stop(struct pl330_thread *thrd)
 {
         void __iomem *regs = thrd->dmac->pinfo->base;
@@ -892,17 +874,22 @@ static bool _trigger(struct pl330_thread *thrd)
         struct _arg_GO go;
         unsigned ns;
         u8 insn[6] = {0, 0, 0, 0, 0, 0};
+        int idx;
 
         /* Return if already ACTIVE */
         if (_state(thrd) != PL330_STATE_STOPPED)
                 return true;
 
-        if (!IS_FREE(&thrd->req[1 - thrd->lstenq]))
-                req = &thrd->req[1 - thrd->lstenq];
-        else if (!IS_FREE(&thrd->req[thrd->lstenq]))
-                req = &thrd->req[thrd->lstenq];
-        else
-                req = NULL;
+        idx = 1 - thrd->lstenq;
+        if (!IS_FREE(&thrd->req[idx]))
+                req = &thrd->req[idx];
+        else {
+                idx = thrd->lstenq;
+                if (!IS_FREE(&thrd->req[idx]))
+                        req = &thrd->req[idx];
+                else
+                        req = NULL;
+        }
 
         /* Return if no request */
         if (!req || !req->r)
@@ -933,6 +920,8 @@ static bool _trigger(struct pl330_thread *thrd)
         /* Only manager can execute GO */
         _execute_DBGINSN(thrd, insn, true);
 
+        thrd->req_running = idx;
+
         return true;
 }
 
@@ -1382,8 +1371,8 @@ static void pl330_dotask(unsigned long data)
 
                         thrd->req[0].r = NULL;
                         thrd->req[1].r = NULL;
-                        MARK_FREE(&thrd->req[0]);
-                        MARK_FREE(&thrd->req[1]);
+                        mark_free(thrd, 0);
+                        mark_free(thrd, 1);
 
                         /* Clear the reset flag */
                         pl330->dmac_tbd.reset_chan &= ~(1 << i);
@@ -1461,14 +1450,12 @@ int pl330_update(const struct pl330_info *pi)
 
                         thrd = &pl330->channels[id];
 
-                        active = _thrd_active(thrd);
-                        if (!active) /* Aborted */
+                        active = thrd->req_running;
+                        if (active == -1) /* Aborted */
                                 continue;
 
-                        active -= 1;
-
                         rqdone = &thrd->req[active];
-                        MARK_FREE(rqdone);
+                        mark_free(thrd, active);
 
                         /* Get going again ASAP */
                         _start(thrd);
@@ -1509,7 +1496,7 @@ int pl330_chan_ctrl(void *ch_id, enum pl330_chan_op op)
         struct pl330_thread *thrd = ch_id;
         struct pl330_dmac *pl330;
         unsigned long flags;
-        int ret = 0, active;
+        int ret = 0, active = thrd->req_running;
 
         if (!thrd || thrd->free || thrd->dmac->state == DYING)
                 return -EINVAL;
@@ -1525,28 +1512,24 @@ int pl330_chan_ctrl(void *ch_id, enum pl330_chan_op op)
 
                 thrd->req[0].r = NULL;
                 thrd->req[1].r = NULL;
-                MARK_FREE(&thrd->req[0]);
-                MARK_FREE(&thrd->req[1]);
+                mark_free(thrd, 0);
+                mark_free(thrd, 1);
                 break;
 
         case PL330_OP_ABORT:
-                active = _thrd_active(thrd);
-
                 /* Make sure the channel is stopped */
                 _stop(thrd);
 
                 /* ABORT is only for the active req */
-                if (!active)
+                if (active == -1)
                         break;
 
-                active--;
-
                 thrd->req[active].r = NULL;
-                MARK_FREE(&thrd->req[active]);
+                mark_free(thrd, active);
 
                 /* Start the next */
         case PL330_OP_START:
-                if (!_thrd_active(thrd) && !_start(thrd))
+                if ((active == -1) && !_start(thrd))
                         ret = -EIO;
                 break;
 
@@ -1587,14 +1570,13 @@ int pl330_chan_status(void *ch_id, struct pl330_chanstatus *pstatus)
         else
                 pstatus->faulting = false;
 
-        active = _thrd_active(thrd);
+        active = thrd->req_running;
 
-        if (!active) {
+        if (active == -1) {
                 /* Indicate that the thread is not running */
                 pstatus->top_req = NULL;
                 pstatus->wait_req = NULL;
         } else {
-                active--;
                 pstatus->top_req = thrd->req[active].r;
                 pstatus->wait_req = !IS_FREE(&thrd->req[1 - active])
                                         ? thrd->req[1 - active].r : NULL;
@@ -1659,9 +1641,9 @@ void *pl330_request_channel(const struct pl330_info *pi)
                                 thrd->free = false;
                                 thrd->lstenq = 1;
                                 thrd->req[0].r = NULL;
-                                MARK_FREE(&thrd->req[0]);
+                                mark_free(thrd, 0);
                                 thrd->req[1].r = NULL;
-                                MARK_FREE(&thrd->req[1]);
+                                mark_free(thrd, 1);
                                 break;
                         }
                 }
@@ -1767,14 +1749,14 @@ static inline void _reset_thread(struct pl330_thread *thrd)
         thrd->req[0].mc_bus = pl330->mcode_bus
                                 + (thrd->id * pi->mcbufsz);
         thrd->req[0].r = NULL;
-        MARK_FREE(&thrd->req[0]);
+        mark_free(thrd, 0);
 
         thrd->req[1].mc_cpu = thrd->req[0].mc_cpu
                                 + pi->mcbufsz / 2;
         thrd->req[1].mc_bus = thrd->req[0].mc_bus
                                 + pi->mcbufsz / 2;
         thrd->req[1].r = NULL;
-        MARK_FREE(&thrd->req[1]);
+        mark_free(thrd, 1);
 }
 
 static int dmac_alloc_threads(struct pl330_dmac *pl330)
diff --git a/arch/arm/configs/imx_v4_v5_defconfig b/arch/arm/configs/imx_v4_v5_defconfig
index 11a4192197c8..cf497ce41dfe 100644
--- a/arch/arm/configs/imx_v4_v5_defconfig
+++ b/arch/arm/configs/imx_v4_v5_defconfig
@@ -18,9 +18,10 @@ CONFIG_ARCH_MXC=y
 CONFIG_ARCH_IMX_V4_V5=y
 CONFIG_ARCH_MX1ADS=y
 CONFIG_MACH_SCB9328=y
+CONFIG_MACH_APF9328=y
 CONFIG_MACH_MX21ADS=y
 CONFIG_MACH_MX25_3DS=y
-CONFIG_MACH_EUKREA_CPUIMX25=y
+CONFIG_MACH_EUKREA_CPUIMX25SD=y
 CONFIG_MACH_MX27ADS=y
 CONFIG_MACH_PCM038=y
 CONFIG_MACH_CPUIMX27=y
@@ -72,17 +73,16 @@ CONFIG_MTD_CFI_GEOMETRY=y
 CONFIG_MTD_CFI_INTELEXT=y
 CONFIG_MTD_PHYSMAP=y
 CONFIG_MTD_NAND=y
+CONFIG_MTD_NAND_MXC=y
 CONFIG_MTD_UBI=y
 CONFIG_MISC_DEVICES=y
 CONFIG_EEPROM_AT24=y
 CONFIG_EEPROM_AT25=y
 CONFIG_NETDEVICES=y
-CONFIG_NET_ETHERNET=y
-CONFIG_SMC91X=y
 CONFIG_DM9000=y
+CONFIG_SMC91X=y
 CONFIG_SMC911X=y
-# CONFIG_NETDEV_1000 is not set
-# CONFIG_NETDEV_10000 is not set
+CONFIG_SMSC_PHY=y
 # CONFIG_INPUT_MOUSEDEV is not set
 CONFIG_INPUT_EVDEV=y
 # CONFIG_INPUT_KEYBOARD is not set
@@ -100,6 +100,7 @@ CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_IMX=y
 CONFIG_SPI=y
 CONFIG_SPI_IMX=y
+CONFIG_SPI_SPIDEV=y
 CONFIG_W1=y
 CONFIG_W1_MASTER_MXC=y
 CONFIG_W1_SLAVE_THERM=y
@@ -139,6 +140,7 @@ CONFIG_MMC=y
 CONFIG_MMC_MXC=y
 CONFIG_NEW_LEDS=y
 CONFIG_LEDS_CLASS=y
+CONFIG_LEDS_GPIO=y
 CONFIG_LEDS_MC13783=y
 CONFIG_LEDS_TRIGGERS=y
 CONFIG_LEDS_TRIGGER_TIMER=y
diff --git a/arch/arm/mach-exynos/cpu.c b/arch/arm/mach-exynos/cpu.c
index 90ec247f3b37..cc8d4bd6d0f7 100644
--- a/arch/arm/mach-exynos/cpu.c
+++ b/arch/arm/mach-exynos/cpu.c
@@ -111,11 +111,6 @@ static struct map_desc exynos4_iodesc[] __initdata = {
                 .length         = SZ_4K,
                 .type           = MT_DEVICE,
         }, {
-                .virtual        = (unsigned long)S5P_VA_SROMC,
-                .pfn            = __phys_to_pfn(EXYNOS4_PA_SROMC),
-                .length         = SZ_4K,
-                .type           = MT_DEVICE,
-        }, {
                 .virtual        = (unsigned long)S3C_VA_USB_HSPHY,
                 .pfn            = __phys_to_pfn(EXYNOS4_PA_HSPHY),
                 .length         = SZ_4K,
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index c44aa974e79c..0e6f1af260b6 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -132,7 +132,7 @@ config MACH_MX25_3DS
         select IMX_HAVE_PLATFORM_MXC_NAND
         select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
 
-config MACH_EUKREA_CPUIMX25
+config MACH_EUKREA_CPUIMX25SD
         bool "Support Eukrea CPUIMX25 Platform"
         select SOC_IMX25
         select IMX_HAVE_PLATFORM_FLEXCAN
@@ -148,7 +148,7 @@ config MACH_EUKREA_CPUIMX25
 
 choice
         prompt "Baseboard"
-        depends on MACH_EUKREA_CPUIMX25
+        depends on MACH_EUKREA_CPUIMX25SD
         default MACH_EUKREA_MBIMXSD25_BASEBOARD
 
 config MACH_EUKREA_MBIMXSD25_BASEBOARD
@@ -542,7 +542,7 @@ config MACH_MX35_3DS
           Include support for MX35PDK platform. This includes specific
           configurations for the board and its peripherals.
 
-config MACH_EUKREA_CPUIMX35
+config MACH_EUKREA_CPUIMX35SD
         bool "Support Eukrea CPUIMX35 Platform"
         select SOC_IMX35
         select IMX_HAVE_PLATFORM_FLEXCAN
@@ -560,7 +560,7 @@ config MACH_EUKREA_CPUIMX35
 
 choice
         prompt "Baseboard"
-        depends on MACH_EUKREA_CPUIMX35
+        depends on MACH_EUKREA_CPUIMX35SD
         default MACH_EUKREA_MBIMXSD35_BASEBOARD
 
 config MACH_EUKREA_MBIMXSD35_BASEBOARD
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index aba73214c2a8..d97f409ce98b 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -24,7 +24,7 @@ obj-$(CONFIG_MACH_MX21ADS) += mach-mx21ads.o
 
 # i.MX25 based machines
 obj-$(CONFIG_MACH_MX25_3DS) += mach-mx25_3ds.o
-obj-$(CONFIG_MACH_EUKREA_CPUIMX25) += mach-eukrea_cpuimx25.o
+obj-$(CONFIG_MACH_EUKREA_CPUIMX25SD) += mach-eukrea_cpuimx25.o
 obj-$(CONFIG_MACH_EUKREA_MBIMXSD25_BASEBOARD) += eukrea_mbimxsd25-baseboard.o
 
 # i.MX27 based machines
@@ -57,7 +57,7 @@ obj-$(CONFIG_MACH_BUG) += mach-bug.o
 # i.MX35 based machines
 obj-$(CONFIG_MACH_PCM043) += mach-pcm043.o
 obj-$(CONFIG_MACH_MX35_3DS) += mach-mx35_3ds.o
-obj-$(CONFIG_MACH_EUKREA_CPUIMX35) += mach-cpuimx35.o
+obj-$(CONFIG_MACH_EUKREA_CPUIMX35SD) += mach-cpuimx35.o
 obj-$(CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD) += eukrea_mbimxsd35-baseboard.o
 obj-$(CONFIG_MACH_VPR200) += mach-vpr200.o
 
diff --git a/arch/arm/mach-imx/clock-imx35.c b/arch/arm/mach-imx/clock-imx35.c
index 8116f119517d..ac8238caecb9 100644
--- a/arch/arm/mach-imx/clock-imx35.c
+++ b/arch/arm/mach-imx/clock-imx35.c
@@ -507,7 +507,7 @@ static struct clk_lookup lookups[] = {
 
 int __init mx35_clocks_init()
 {
-        unsigned int cgr2 = 3 << 26, cgr3 = 0;
+        unsigned int cgr2 = 3 << 26;
 
 #if defined(CONFIG_DEBUG_LL) && !defined(CONFIG_DEBUG_ICEDCC)
         cgr2 |= 3 << 16;
@@ -521,6 +521,12 @@ int __init mx35_clocks_init()
         __raw_writel((3 << 18), CCM_BASE + CCM_CGR0);
         __raw_writel((3 << 2) | (3 << 4) | (3 << 6) | (3 << 8) | (3 << 16),
                         CCM_BASE + CCM_CGR1);
+        __raw_writel(cgr2, CCM_BASE + CCM_CGR2);
+        __raw_writel(0, CCM_BASE + CCM_CGR3);
+
+        clk_enable(&iim_clk);
+        imx_print_silicon_rev("i.MX35", mx35_revision());
+        clk_disable(&iim_clk);
 
         /*
          * Check if we came up in internal boot mode. If yes, we need some
@@ -529,17 +535,11 @@ int __init mx35_clocks_init()
          */
         if (!(__raw_readl(CCM_BASE + CCM_RCSR) & (3 << 10))) {
                 /* Additionally turn on UART1, SCC, and IIM clocks */
-                cgr2 |= 3 << 16 | 3 << 4;
-                cgr3 |= 3 << 2;
+                clk_enable(&iim_clk);
+                clk_enable(&uart1_clk);
+                clk_enable(&scc_clk);
         }
 
-        __raw_writel(cgr2, CCM_BASE + CCM_CGR2);
-        __raw_writel(cgr3, CCM_BASE + CCM_CGR3);
-
-        clk_enable(&iim_clk);
-        imx_print_silicon_rev("i.MX35", mx35_revision());
-        clk_disable(&iim_clk);
-
 #ifdef CONFIG_MXC_USE_EPIT
         epit_timer_init(&epit1_clk,
                         MX35_IO_ADDRESS(MX35_EPIT1_BASE_ADDR), MX35_INT_EPIT1);
diff --git a/arch/arm/mach-imx/mach-cpuimx35.c b/arch/arm/mach-imx/mach-cpuimx35.c
index 66af2e8f7e57..362aae780601 100644
--- a/arch/arm/mach-imx/mach-cpuimx35.c
+++ b/arch/arm/mach-imx/mach-cpuimx35.c
@@ -53,12 +53,18 @@ static const struct imxi2c_platform_data
         .bitrate =              100000,
 };
 
+#define TSC2007_IRQGPIO         IMX_GPIO_NR(3, 2)
+static int tsc2007_get_pendown_state(void)
+{
+        return !gpio_get_value(TSC2007_IRQGPIO);
+}
+
 static struct tsc2007_platform_data tsc2007_info = {
         .model                  = 2007,
         .x_plate_ohms           = 180,
+        .get_pendown_state = tsc2007_get_pendown_state,
 };
 
-#define TSC2007_IRQGPIO         IMX_GPIO_NR(3, 2)
 static struct i2c_board_info eukrea_cpuimx35_i2c_devices[] = {
         {
                 I2C_BOARD_INFO("pcf8563", 0x51),
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index 7f8915ad5099..eef43e2e163e 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -3247,18 +3247,14 @@ static __initdata struct omap_hwmod *omap3xxx_hwmods[] = {
 
 /* 3430ES1-only hwmods */
 static __initdata struct omap_hwmod *omap3430es1_hwmods[] = {
-        &omap3xxx_iva_hwmod,
         &omap3430es1_dss_core_hwmod,
-        &omap3xxx_mailbox_hwmod,
         NULL
 };
 
 /* 3430ES2+-only hwmods */
 static __initdata struct omap_hwmod *omap3430es2plus_hwmods[] = {
-        &omap3xxx_iva_hwmod,
         &omap3xxx_dss_core_hwmod,
         &omap3xxx_usbhsotg_hwmod,
-        &omap3xxx_mailbox_hwmod,
         NULL
 };
 
diff --git a/arch/arm/mm/proc-v7.S b/arch/arm/mm/proc-v7.S
index 2c559ac38142..e70a73731eaa 100644
--- a/arch/arm/mm/proc-v7.S
+++ b/arch/arm/mm/proc-v7.S
@@ -363,11 +363,13 @@ __v7_setup:
         orreq   r10, r10, #1 << 6               @ set bit #6
         mcreq   p15, 0, r10, c15, c0, 1         @ write diagnostic register
 #endif
-#ifdef CONFIG_ARM_ERRATA_751472
-        cmp     r6, #0x30                       @ present prior to r3p0
+#if defined(CONFIG_ARM_ERRATA_751472) && defined(CONFIG_SMP)
+        ALT_SMP(cmp r6, #0x30)                  @ present prior to r3p0
+        ALT_UP_B(1f)
         mrclt   p15, 0, r10, c15, c0, 1         @ read diagnostic register
         orrlt   r10, r10, #1 << 11              @ set bit #11
         mcrlt   p15, 0, r10, c15, c0, 1         @ write diagnostic register
+1:
 #endif
 
 3:      mov     r10, #0
diff --git a/arch/arm/plat-mxc/cpufreq.c b/arch/arm/plat-mxc/cpufreq.c
index adbff706ef6f..73db34bf588a 100644
--- a/arch/arm/plat-mxc/cpufreq.c
+++ b/arch/arm/plat-mxc/cpufreq.c
@@ -98,7 +98,7 @@ static int mxc_set_target(struct cpufreq_policy *policy,
         return ret;
 }
 
-static int __init mxc_cpufreq_init(struct cpufreq_policy *policy)
+static int mxc_cpufreq_init(struct cpufreq_policy *policy)
 {
         int ret;
         int i;
diff --git a/arch/arm/plat-mxc/include/mach/uncompress.h b/arch/arm/plat-mxc/include/mach/uncompress.h
index 88fd40452567..477971b00930 100644
--- a/arch/arm/plat-mxc/include/mach/uncompress.h
+++ b/arch/arm/plat-mxc/include/mach/uncompress.h
@@ -98,6 +98,7 @@ static __inline__ void __arch_decomp_setup(unsigned long arch_id)
         case MACH_TYPE_PCM043:
         case MACH_TYPE_LILLY1131:
         case MACH_TYPE_VPR200:
+        case MACH_TYPE_EUKREA_CPUIMX35SD:
                 uart_base = MX3X_UART1_BASE_ADDR;
                 break;
         case MACH_TYPE_MAGX_ZN5:
diff --git a/arch/arm/plat-mxc/pwm.c b/arch/arm/plat-mxc/pwm.c
index 845de59f07ed..e032717f7d02 100644
--- a/arch/arm/plat-mxc/pwm.c
+++ b/arch/arm/plat-mxc/pwm.c
@@ -77,6 +77,15 @@ int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
                 do_div(c, period_ns);
                 duty_cycles = c;
 
+                /*
+                 * according to imx pwm RM, the real period value should be
+                 * PERIOD value in PWMPR plus 2.
+                 */
+                if (period_cycles > 2)
+                        period_cycles -= 2;
+                else
+                        period_cycles = 0;
+
                 writel(duty_cycles, pwm->mmio_base + MX3_PWMSAR);
                 writel(period_cycles, pwm->mmio_base + MX3_PWMPR);
 
diff --git a/arch/arm/plat-orion/gpio.c b/arch/arm/plat-orion/gpio.c
index 41ab97ebe4cf..10d160888133 100644
--- a/arch/arm/plat-orion/gpio.c
+++ b/arch/arm/plat-orion/gpio.c
@@ -384,12 +384,16 @@ void __init orion_gpio_init(int gpio_base, int ngpio,
         struct orion_gpio_chip *ochip;
         struct irq_chip_generic *gc;
         struct irq_chip_type *ct;
+        char gc_label[16];
 
         if (orion_gpio_chip_count == ARRAY_SIZE(orion_gpio_chips))
                 return;
 
+        snprintf(gc_label, sizeof(gc_label), "orion_gpio%d",
+                orion_gpio_chip_count);
+
         ochip = orion_gpio_chips + orion_gpio_chip_count;
-        ochip->chip.label = "orion_gpio";
+        ochip->chip.label = kstrdup(gc_label, GFP_KERNEL);
         ochip->chip.request = orion_gpio_request;
         ochip->chip.direction_input = orion_gpio_direction_input;
         ochip->chip.get = orion_gpio_get;
diff --git a/arch/arm/plat-samsung/include/plat/cpu-freq-core.h b/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
index dac4760c0f0a..95509d8eb140 100644
--- a/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
+++ b/arch/arm/plat-samsung/include/plat/cpu-freq-core.h
@@ -202,14 +202,6 @@ extern int s3c_plltab_register(struct cpufreq_frequency_table *plls,
 extern struct s3c_cpufreq_config *s3c_cpufreq_getconfig(void);
 extern struct s3c_iotimings *s3c_cpufreq_getiotimings(void);
 
-extern void s3c2410_iotiming_debugfs(struct seq_file *seq,
-                                     struct s3c_cpufreq_config *cfg,
-                                     union s3c_iobank *iob);
-
-extern void s3c2412_iotiming_debugfs(struct seq_file *seq,
-                                     struct s3c_cpufreq_config *cfg,
-                                     union s3c_iobank *iob);
-
 #ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUGFS
 #define s3c_cpufreq_debugfs_call(x) x
 #else
@@ -226,6 +218,10 @@ extern void s3c2410_cpufreq_setrefresh(struct s3c_cpufreq_config *cfg);
 extern void s3c2410_set_fvco(struct s3c_cpufreq_config *cfg);
 
 #ifdef CONFIG_S3C2410_IOTIMING
+extern void s3c2410_iotiming_debugfs(struct seq_file *seq,
+                                     struct s3c_cpufreq_config *cfg,
+                                     union s3c_iobank *iob);
+
 extern int s3c2410_iotiming_calc(struct s3c_cpufreq_config *cfg,
                                  struct s3c_iotimings *iot);
 
@@ -235,6 +231,7 @@ extern int s3c2410_iotiming_get(struct s3c_cpufreq_config *cfg,
 extern void s3c2410_iotiming_set(struct s3c_cpufreq_config *cfg,
                                  struct s3c_iotimings *iot);
 #else
+#define s3c2410_iotiming_debugfs NULL
 #define s3c2410_iotiming_calc NULL
 #define s3c2410_iotiming_get NULL
 #define s3c2410_iotiming_set NULL
@@ -242,8 +239,10 @@ extern void s3c2410_iotiming_set(struct s3c_cpufreq_config *cfg,
 
 /* S3C2412 compatible routines */
 
-extern int s3c2412_iotiming_get(struct s3c_cpufreq_config *cfg,
-                                struct s3c_iotimings *timings);
+#ifdef CONFIG_S3C2412_IOTIMING
+extern void s3c2412_iotiming_debugfs(struct seq_file *seq,
+                                     struct s3c_cpufreq_config *cfg,
+                                     union s3c_iobank *iob);
 
 extern int s3c2412_iotiming_get(struct s3c_cpufreq_config *cfg,
                                 struct s3c_iotimings *timings);
@@ -253,6 +252,12 @@ extern int s3c2412_iotiming_calc(struct s3c_cpufreq_config *cfg,
 
 extern void s3c2412_iotiming_set(struct s3c_cpufreq_config *cfg,
                                  struct s3c_iotimings *iot);
+#else
+#define s3c2412_iotiming_debugfs NULL
+#define s3c2412_iotiming_calc NULL
+#define s3c2412_iotiming_get NULL
+#define s3c2412_iotiming_set NULL
+#endif /* CONFIG_S3C2412_IOTIMING */
 
 #ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUG
 #define s3c_freq_dbg(x...) printk(KERN_INFO x)