Merge branch 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

* 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6:
  omap: DMA: clear interrupt status correctly
  OMAP3: Devkit8000: Fix tps65930 pullup/pulldown configuration
  arm: omap3: cm-t3517: minor comment fix
  arm: omap3: cm-t3517: rtc fix
  omap1: Fix sched_clock implementation when both MPU timer and 32K timer are used
  omap1: Fix booting for 15xx and 730 with omap1_defconfig
  omap1: Fix sched_clock for the MPU timer
  OMAP: PRCM: remove duplicated headers
  OMAP4: clockdomain: bypass unimplemented wake-up dependency functions on OMAP4
  OMAP: counter_32k: init clocksource as part of machine timer init

diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig
index 8d2f2daba0c001f2cfdffa637cc0478d9f1c563b..e0a028161ddee89a4119014ed83420bd0a21ad4e 100644 (file)
--- a/arch/arm/mach-omap1/Kconfig
+++ b/arch/arm/mach-omap1/Kconfig
@@ -9,6 +9,7 @@ config ARCH_OMAP730
        depends on ARCH_OMAP1
        bool "OMAP730 Based System"
        select CPU_ARM926T
+       select OMAP_MPU_TIMER
        select ARCH_OMAP_OTG
 
 config ARCH_OMAP850
@@ -22,6 +23,7 @@ config ARCH_OMAP15XX
        default y
        bool "OMAP15xx Based System"
        select CPU_ARM925T
+       select OMAP_MPU_TIMER
 
 config ARCH_OMAP16XX
        depends on ARCH_OMAP1

diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index 6ee19504845f3b476980e9e79307fc3735331d03..ba6009f2767789040664995803d6f691cad2574a 100644 (file)
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -3,12 +3,11 @@
 #
 
 # Common support
-obj-y := io.o id.o sram.o irq.o mux.o flash.o serial.o devices.o dma.o
+obj-y := io.o id.o sram.o time.o irq.o mux.o flash.o serial.o devices.o dma.o
 obj-y += clock.o clock_data.o opp_data.o
 
 obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o
 
-obj-$(CONFIG_OMAP_MPU_TIMER)   += time.o
 obj-$(CONFIG_OMAP_32K_TIMER)   += timer32k.o
 
 # Power Management

diff --git a/arch/arm/mach-omap1/time.c b/arch/arm/mach-omap1/time.c
index ed7a61ff916a1e57f392dbedc21ff0c12101aa7b..f83fc335c613db6e3ac14e7fcf2cf15cd6af5a45 100644 (file)
--- a/arch/arm/mach-omap1/time.c
+++ b/arch/arm/mach-omap1/time.c
@@ -44,16 +44,21 @@
 #include <linux/clocksource.h>
 #include <linux/clockchips.h>
 #include <linux/io.h>
+#include <linux/sched.h>
 
 #include <asm/system.h>
 #include <mach/hardware.h>
 #include <asm/leds.h>
 #include <asm/irq.h>
+#include <asm/sched_clock.h>
+
 #include <asm/mach/irq.h>
 #include <asm/mach/time.h>
 
 #include <plat/common.h>
 
+#ifdef CONFIG_OMAP_MPU_TIMER
+
 #define OMAP_MPU_TIMER_BASE            OMAP_MPU_TIMER1_BASE
 #define OMAP_MPU_TIMER_OFFSET          0x100
 
@@ -67,7 +72,7 @@ typedef struct {
 ((volatile omap_mpu_timer_regs_t*)OMAP1_IO_ADDRESS(OMAP_MPU_TIMER_BASE +       \
                                 (n)*OMAP_MPU_TIMER_OFFSET))
 
-static inline unsigned long omap_mpu_timer_read(int nr)
+static inline unsigned long notrace omap_mpu_timer_read(int nr)
 {
        volatile omap_mpu_timer_regs_t* timer = omap_mpu_timer_base(nr);
        return timer->read_tim;
@@ -212,6 +217,32 @@ static struct clocksource clocksource_mpu = {
        .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
 };
 
+static DEFINE_CLOCK_DATA(cd);
+
+static inline unsigned long long notrace _omap_mpu_sched_clock(void)
+{
+       u32 cyc = mpu_read(&clocksource_mpu);
+       return cyc_to_sched_clock(&cd, cyc, (u32)~0);
+}
+
+#ifndef CONFIG_OMAP_32K_TIMER
+unsigned long long notrace sched_clock(void)
+{
+       return _omap_mpu_sched_clock();
+}
+#else
+static unsigned long long notrace omap_mpu_sched_clock(void)
+{
+       return _omap_mpu_sched_clock();
+}
+#endif
+
+static void notrace mpu_update_sched_clock(void)
+{
+       u32 cyc = mpu_read(&clocksource_mpu);
+       update_sched_clock(&cd, cyc, (u32)~0);
+}
+
 static void __init omap_init_clocksource(unsigned long rate)
 {
        static char err[] __initdata = KERN_ERR
@@ -219,17 +250,13 @@ static void __init omap_init_clocksource(unsigned long rate)
 
        setup_irq(INT_TIMER2, &omap_mpu_timer2_irq);
        omap_mpu_timer_start(1, ~0, 1);
+       init_sched_clock(&cd, mpu_update_sched_clock, 32, rate);
 
        if (clocksource_register_hz(&clocksource_mpu, rate))
                printk(err, clocksource_mpu.name);
 }
 
-/*
- * ---------------------------------------------------------------------------
- * Timer initialization
- * ---------------------------------------------------------------------------
- */
-static void __init omap_timer_init(void)
+static void __init omap_mpu_timer_init(void)
 {
        struct clk      *ck_ref = clk_get(NULL, "ck_ref");
        unsigned long   rate;
@@ -246,6 +273,66 @@ static void __init omap_timer_init(void)
        omap_init_clocksource(rate);
 }
 
+#else
+static inline void omap_mpu_timer_init(void)
+{
+       pr_err("Bogus timer, should not happen\n");
+}
+#endif /* CONFIG_OMAP_MPU_TIMER */
+
+#if defined(CONFIG_OMAP_MPU_TIMER) && defined(CONFIG_OMAP_32K_TIMER)
+static unsigned long long (*preferred_sched_clock)(void);
+
+unsigned long long notrace sched_clock(void)
+{
+       if (!preferred_sched_clock)
+               return 0;
+
+       return preferred_sched_clock();
+}
+
+static inline void preferred_sched_clock_init(bool use_32k_sched_clock)
+{
+       if (use_32k_sched_clock)
+               preferred_sched_clock = omap_32k_sched_clock;
+       else
+               preferred_sched_clock = omap_mpu_sched_clock;
+}
+#else
+static inline void preferred_sched_clock_init(bool use_32k_sched_clcok)
+{
+}
+#endif
+
+static inline int omap_32k_timer_usable(void)
+{
+       int res = false;
+
+       if (cpu_is_omap730() || cpu_is_omap15xx())
+               return res;
+
+#ifdef CONFIG_OMAP_32K_TIMER
+       res = omap_32k_timer_init();
+#endif
+
+       return res;
+}
+
+/*
+ * ---------------------------------------------------------------------------
+ * Timer initialization
+ * ---------------------------------------------------------------------------
+ */
+static void __init omap_timer_init(void)
+{
+       if (omap_32k_timer_usable()) {
+               preferred_sched_clock_init(1);
+       } else {
+               omap_mpu_timer_init();
+               preferred_sched_clock_init(0);
+       }
+}
+
 struct sys_timer omap_timer = {
        .init           = omap_timer_init,
 };

diff --git a/arch/arm/mach-omap1/timer32k.c b/arch/arm/mach-omap1/timer32k.c
index 20cfbcc6c60ca08eb1c38f465adf09436a67dd81..13d7b8f145bd3979f5ffeb08cf1e28652a512fce 100644 (file)
--- a/arch/arm/mach-omap1/timer32k.c
+++ b/arch/arm/mach-omap1/timer32k.c
@@ -52,10 +52,9 @@
 #include <asm/irq.h>
 #include <asm/mach/irq.h>
 #include <asm/mach/time.h>
+#include <plat/common.h>
 #include <plat/dmtimer.h>
 
-struct sys_timer omap_timer;
-
 /*
  * ---------------------------------------------------------------------------
  * 32KHz OS timer
@@ -181,14 +180,14 @@ static __init void omap_init_32k_timer(void)
  * Timer initialization
  * ---------------------------------------------------------------------------
  */
-static void __init omap_timer_init(void)
+bool __init omap_32k_timer_init(void)
 {
+       omap_init_clocksource_32k();
+
 #ifdef CONFIG_OMAP_DM_TIMER
        omap_dm_timer_init();
 #endif
        omap_init_32k_timer();
-}
 
-struct sys_timer omap_timer = {
-       .init           = omap_timer_init,
-};
+       return true;
+}

diff --git a/arch/arm/mach-omap2/board-cm-t3517.c b/arch/arm/mach-omap2/board-cm-t3517.c
index 5b0c77732dfc4435303b32b22b9fd5a24a541f17..8f9a64d650ee7896f70983ad0b9f72f717cf23ab 100644 (file)
--- a/arch/arm/mach-omap2/board-cm-t3517.c
+++ b/arch/arm/mach-omap2/board-cm-t3517.c
@@ -124,8 +124,9 @@ static inline void cm_t3517_init_hecc(void) {}
 #if defined(CONFIG_RTC_DRV_V3020) || defined(CONFIG_RTC_DRV_V3020_MODULE)
 #define RTC_IO_GPIO            (153)
 #define RTC_WR_GPIO            (154)
-#define RTC_RD_GPIO            (160)
+#define RTC_RD_GPIO            (53)
 #define RTC_CS_GPIO            (163)
+#define RTC_CS_EN_GPIO         (160)
 
 struct v3020_platform_data cm_t3517_v3020_pdata = {
        .use_gpio       = 1,
@@ -145,6 +146,16 @@ static struct platform_device cm_t3517_rtc_device = {
 
 static void __init cm_t3517_init_rtc(void)
 {
+       int err;
+
+       err = gpio_request(RTC_CS_EN_GPIO, "rtc cs en");
+       if (err) {
+               pr_err("CM-T3517: rtc cs en gpio request failed: %d\n", err);
+               return;
+       }
+
+       gpio_direction_output(RTC_CS_EN_GPIO, 1);
+
        platform_device_register(&cm_t3517_rtc_device);
 }
 #else
@@ -214,12 +225,12 @@ static struct mtd_partition cm_t3517_nand_partitions[] = {
        },
        {
                .name           = "linux",
-               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
+               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x2A0000 */
                .size           = 32 * NAND_BLOCK_SIZE,
        },
        {
                .name           = "rootfs",
-               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
+               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x6A0000 */
                .size           = MTDPART_SIZ_FULL,
        },
 };
@@ -256,11 +267,19 @@ static void __init cm_t3517_init_irq(void)
 static struct omap_board_mux board_mux[] __initdata = {
        /* GPIO186 - Green LED */
        OMAP3_MUX(SYS_CLKOUT2, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
-       /* RTC GPIOs: IO, WR#, RD#, CS# */
+
+       /* RTC GPIOs: */
+       /* IO - GPIO153 */
        OMAP3_MUX(MCBSP4_DR, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+       /* WR# - GPIO154 */
        OMAP3_MUX(MCBSP4_DX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
-       OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+       /* RD# - GPIO53 */
+       OMAP3_MUX(GPMC_NCS2, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+       /* CS# - GPIO163 */
        OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+       /* CS EN - GPIO160 */
+       OMAP3_MUX(MCBSP_CLKS, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
+
        /* HSUSB1 RESET */
        OMAP3_MUX(UART2_TX, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
        /* HSUSB2 RESET */

diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c
index 00bb1fc5e0175fb433dcb564ffce78ce46f2e0ff..e906e05bb41bdaded0ce50978bb9b7996a44ca1a 100644 (file)
--- a/arch/arm/mach-omap2/board-devkit8000.c
+++ b/arch/arm/mach-omap2/board-devkit8000.c
@@ -275,8 +275,7 @@ static struct twl4030_gpio_platform_data devkit8000_gpio_data = {
        .irq_base       = TWL4030_GPIO_IRQ_BASE,
        .irq_end        = TWL4030_GPIO_IRQ_END,
        .use_leds       = true,
-       .pullups        = BIT(1),
-       .pulldowns      = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
+       .pulldowns      = BIT(1) | BIT(2) | BIT(6) | BIT(8) | BIT(13)
                                | BIT(15) | BIT(16) | BIT(17),
        .setup          = devkit8000_twl_gpio_setup,
 };

diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c
index e8cb32fd7f135519610c2bb35c869f921832b62a..de9ec8ddd2ae21673964c8c3cf6224c180ae3c78 100644 (file)
--- a/arch/arm/mach-omap2/clock44xx_data.c
+++ b/arch/arm/mach-omap2/clock44xx_data.c
@@ -34,7 +34,6 @@
 #include "cm2_44xx.h"
 #include "cm-regbits-44xx.h"
 #include "prm44xx.h"
-#include "prm44xx.h"
 #include "prm-regbits-44xx.h"
 #include "control.h"
 #include "scrm44xx.h"

diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index e20b98636ab444b1d6e21b4e00ab9ab5eb980a67..58e42f76603f5638675077b36c329e30a9475212 100644 (file)
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -423,6 +423,12 @@ int clkdm_add_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
 {
        struct clkdm_dep *cd;
 
+       if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) {
+               pr_err("clockdomain: %s/%s: %s: not yet implemented\n",
+                      clkdm1->name, clkdm2->name, __func__);
+               return -EINVAL;
+       }
+
        if (!clkdm1 || !clkdm2)
                return -EINVAL;
 
@@ -458,6 +464,12 @@ int clkdm_del_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
 {
        struct clkdm_dep *cd;
 
+       if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) {
+               pr_err("clockdomain: %s/%s: %s: not yet implemented\n",
+                      clkdm1->name, clkdm2->name, __func__);
+               return -EINVAL;
+       }
+
        if (!clkdm1 || !clkdm2)
                return -EINVAL;
 
@@ -500,6 +512,12 @@ int clkdm_read_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2)
        if (!clkdm1 || !clkdm2)
                return -EINVAL;
 
+       if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) {
+               pr_err("clockdomain: %s/%s: %s: not yet implemented\n",
+                      clkdm1->name, clkdm2->name, __func__);
+               return -EINVAL;
+       }
+
        cd = _clkdm_deps_lookup(clkdm2, clkdm1->wkdep_srcs);
        if (IS_ERR(cd)) {
                pr_debug("clockdomain: hardware cannot set/clear wake up of "
@@ -527,6 +545,12 @@ int clkdm_clear_all_wkdeps(struct clockdomain *clkdm)
        struct clkdm_dep *cd;
        u32 mask = 0;
 
+       if (!cpu_is_omap24xx() && !cpu_is_omap34xx()) {
+               pr_err("clockdomain: %s: %s: not yet implemented\n",
+                      clkdm->name, __func__);
+               return -EINVAL;
+       }
+
        if (!clkdm)
                return -EINVAL;
 
@@ -830,8 +854,7 @@ void omap2_clkdm_allow_idle(struct clockdomain *clkdm)
         * dependency code and data for OMAP4.
         */
        if (cpu_is_omap44xx()) {
-               WARN_ONCE(1, "clockdomain: OMAP4 wakeup/sleep dependency "
-                         "support is not yet implemented\n");
+               pr_err("clockdomain: %s: OMAP4 wakeup/sleep dependency support: not yet implemented\n", clkdm->name);
        } else {
                if (atomic_read(&clkdm->usecount) > 0)
                        _clkdm_add_autodeps(clkdm);
@@ -872,8 +895,7 @@ void omap2_clkdm_deny_idle(struct clockdomain *clkdm)
         * dependency code and data for OMAP4.
         */
        if (cpu_is_omap44xx()) {
-               WARN_ONCE(1, "clockdomain: OMAP4 wakeup/sleep dependency "
-                         "support is not yet implemented\n");
+               pr_err("clockdomain: %s: OMAP4 wakeup/sleep dependency support: not yet implemented\n", clkdm->name);
        } else {
                if (atomic_read(&clkdm->usecount) > 0)
                        _clkdm_del_autodeps(clkdm);

diff --git a/arch/arm/mach-omap2/clockdomains44xx_data.c b/arch/arm/mach-omap2/clockdomains44xx_data.c
index 51920fc7fc5256b54e7c655ef7a491961db72913..10622c914abcbf338675316fc600928bd8251c50 100644 (file)
--- a/arch/arm/mach-omap2/clockdomains44xx_data.c
+++ b/arch/arm/mach-omap2/clockdomains44xx_data.c
@@ -30,8 +30,6 @@
 #include "cm1_44xx.h"
 #include "cm2_44xx.h"
 
-#include "cm1_44xx.h"
-#include "cm2_44xx.h"
 #include "cm-regbits-44xx.h"
 #include "prm44xx.h"
 #include "prcm44xx.h"

diff --git a/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c b/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c
index d5233890370cb18ecd021fdcd9313877c5dc0c7d..cf600e22bf8e723668dc9a20c893e163d6f5c76a 100644 (file)
--- a/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c
+++ b/arch/arm/mach-omap2/powerdomain2xxx_3xxx.c
@@ -19,7 +19,6 @@
 #include <plat/prcm.h>
 
 #include "powerdomain.h"
-#include "prm-regbits-34xx.h"
 #include "prm.h"
 #include "prm-regbits-24xx.h"
 #include "prm-regbits-34xx.h"

diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c
index 4e48e786bec728f625c1359ce9c0f785cdf99b53..7b7c2683ae7bb15cad4a2d32b4eab681884a0864 100644 (file)
--- a/arch/arm/mach-omap2/timer-gp.c
+++ b/arch/arm/mach-omap2/timer-gp.c
@@ -42,6 +42,8 @@
 
 #include "timer-gp.h"
 
+#include <plat/common.h>
+
 /* MAX_GPTIMER_ID: number of GPTIMERs on the chip */
 #define MAX_GPTIMER_ID         12
 
@@ -176,10 +178,14 @@ static void __init omap2_gp_clockevent_init(void)
 /* 
  * When 32k-timer is enabled, don't use GPTimer for clocksource
  * instead, just leave default clocksource which uses the 32k
- * sync counter.  See clocksource setup in see plat-omap/common.c. 
+ * sync counter.  See clocksource setup in plat-omap/counter_32k.c
  */
 
-static inline void __init omap2_gp_clocksource_init(void) {}
+static void __init omap2_gp_clocksource_init(void)
+{
+       omap_init_clocksource_32k();
+}
+
 #else
 /*
  * clocksource

diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index 18fe3cb195dce938ee47b3f37ac2ecd8c2f64298..b6333ae3f92aa22f8820720d5cf147089ce62efc 100644 (file)
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -144,12 +144,9 @@ config OMAP_IOMMU_DEBUG
 config OMAP_IOMMU_IVA2
        bool
 
-choice
-       prompt "System timer"
-       default OMAP_32K_TIMER if !ARCH_OMAP15XX
-
 config OMAP_MPU_TIMER
        bool "Use mpu timer"
+       depends on ARCH_OMAP1
        help
          Select this option if you want to use the OMAP mpu timer. This
          timer provides more intra-tick resolution than the 32KHz timer,
@@ -158,6 +155,7 @@ config OMAP_MPU_TIMER
 config OMAP_32K_TIMER
        bool "Use 32KHz timer"
        depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
+       default y if (ARCH_OMAP16XX || ARCH_OMAP2PLUS)
        help
          Select this option if you want to enable the OMAP 32KHz timer.
          This timer saves power compared to the OMAP_MPU_TIMER, and has
@@ -165,8 +163,6 @@ config OMAP_32K_TIMER
          intra-tick resolution than OMAP_MPU_TIMER. The 32KHz timer is
          currently only available for OMAP16XX, 24XX, 34XX and OMAP4.
 
-endchoice
-
 config OMAP3_L2_AUX_SECURE_SAVE_RESTORE
        bool "OMAP3 HS/EMU save and restore for L2 AUX control register"
        depends on ARCH_OMAP3 && PM

diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c
index ea4644021fb9c0867c2e4ca4bd4bcb118e863f80..862dda95d61d2085c2bbc5e77b866f166b1e4ca3 100644 (file)
--- a/arch/arm/plat-omap/counter_32k.c
+++ b/arch/arm/plat-omap/counter_32k.c
@@ -36,8 +36,6 @@
 
 #define OMAP16XX_TIMER_32K_SYNCHRONIZED                0xfffbc410
 
-#if !(defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP15XX))
-
 #include <linux/clocksource.h>
 
 /*
@@ -122,12 +120,24 @@ static DEFINE_CLOCK_DATA(cd);
 #define SC_MULT                4000000000u
 #define SC_SHIFT       17
 
-unsigned long long notrace sched_clock(void)
+static inline unsigned long long notrace _omap_32k_sched_clock(void)
 {
        u32 cyc = clocksource_32k.read(&clocksource_32k);
        return cyc_to_fixed_sched_clock(&cd, cyc, (u32)~0, SC_MULT, SC_SHIFT);
 }
 
+#ifndef CONFIG_OMAP_MPU_TIMER
+unsigned long long notrace sched_clock(void)
+{
+       return _omap_32k_sched_clock();
+}
+#else
+unsigned long long notrace omap_32k_sched_clock(void)
+{
+       return _omap_32k_sched_clock();
+}
+#endif
+
 static void notrace omap_update_sched_clock(void)
 {
        u32 cyc = clocksource_32k.read(&clocksource_32k);
@@ -160,7 +170,7 @@ void read_persistent_clock(struct timespec *ts)
        *ts = *tsp;
 }
 
-static int __init omap_init_clocksource_32k(void)
+int __init omap_init_clocksource_32k(void)
 {
        static char err[] __initdata = KERN_ERR
                        "%s: can't register clocksource!\n";
@@ -195,7 +205,3 @@ static int __init omap_init_clocksource_32k(void)
        }
        return 0;
 }
-arch_initcall(omap_init_clocksource_32k);
-
-#endif /* !(defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP15XX)) */
-

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index c4b2b478b1a544e6ef768c3f3e6a3543ca37119c..85363084cc1a366f28417c9df6a7b914d7274e69 100644 (file)
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -53,7 +53,7 @@ enum { DMA_CHAIN_STARTED, DMA_CHAIN_NOTSTARTED };
 #endif
 
 #define OMAP_DMA_ACTIVE                        0x01
-#define OMAP2_DMA_CSR_CLEAR_MASK       0xffe
+#define OMAP2_DMA_CSR_CLEAR_MASK       0xffffffff
 
 #define OMAP_FUNC_MUX_ARM_BASE         (0xfffe1000 + 0xec)
 
@@ -1873,7 +1873,7 @@ static int omap2_dma_handle_ch(int ch)
                printk(KERN_INFO "DMA misaligned error with device %d\n",
                       dma_chan[ch].dev_id);
 
-       p->dma_write(OMAP2_DMA_CSR_CLEAR_MASK, CSR, ch);
+       p->dma_write(status, CSR, ch);
        p->dma_write(1 << ch, IRQSTATUS_L0, ch);
        /* read back the register to flush the write */
        p->dma_read(IRQSTATUS_L0, ch);
@@ -1893,10 +1893,9 @@ static int omap2_dma_handle_ch(int ch)
                        OMAP_DMA_CHAIN_INCQHEAD(chain_id);
 
                status = p->dma_read(CSR, ch);
+               p->dma_write(status, CSR, ch);
        }
 
-       p->dma_write(status, CSR, ch);
-
        if (likely(dma_chan[ch].callback != NULL))
                dma_chan[ch].callback(ch, status, dma_chan[ch].data);
 

diff --git a/arch/arm/plat-omap/include/plat/common.h b/arch/arm/plat-omap/include/plat/common.h
index 6b8088ec74af9ae775988a5abe33fa085bc92ce2..29b2afb4288f2bde34d42659e461791027e6e4fc 100644 (file)
--- a/arch/arm/plat-omap/include/plat/common.h
+++ b/arch/arm/plat-omap/include/plat/common.h
@@ -35,6 +35,9 @@ struct sys_timer;
 
 extern void omap_map_common_io(void);
 extern struct sys_timer omap_timer;
+extern bool omap_32k_timer_init(void);
+extern int __init omap_init_clocksource_32k(void);
+extern unsigned long long notrace omap_32k_sched_clock(void);
 
 extern void omap_reserve(void);