Merge branch 'fixes-part-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 into omap/fixes

10 files changed, 82 insertions, 137 deletions

diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index 49a4c75243fc..6e6735f04ee3 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -211,9 +211,6 @@ choice
         depends on ARCH_OMAP
         default OMAP_PM_NOOP
 
-config OMAP_PM_NONE
-        bool "No PM layer"
-
 config OMAP_PM_NOOP
         bool "No-op/debug PM layer"
 
diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c
index c13bc3d3eb2c..a6cbb712da51 100644
--- a/arch/arm/plat-omap/counter_32k.c
+++ b/arch/arm/plat-omap/counter_32k.c
@@ -18,6 +18,7 @@
 #include <linux/err.h>
 #include <linux/io.h>
 #include <linux/sched.h>
+#include <linux/clocksource.h>
 
 #include <asm/sched_clock.h>
 
@@ -26,87 +27,16 @@
 
 #include <plat/clock.h>
 
-
 /*
  * 32KHz clocksource ... always available, on pretty most chips except
  * OMAP 730 and 1510.  Other timers could be used as clocksources, with
  * higher resolution in free-running counter modes (e.g. 12 MHz xtal),
  * but systems won't necessarily want to spend resources that way.
  */
+static void __iomem *timer_32k_base;
 
 #define OMAP16XX_TIMER_32K_SYNCHRONIZED         0xfffbc410
 
-#include <linux/clocksource.h>
-
-/*
- * offset_32k holds the init time counter value. It is then subtracted
- * from every counter read to achieve a counter that counts time from the
- * kernel boot (needed for sched_clock()).
- */
-static u32 offset_32k __read_mostly;
-
-#ifdef CONFIG_ARCH_OMAP16XX
-static cycle_t notrace omap16xx_32k_read(struct clocksource *cs)
-{
-        return omap_readl(OMAP16XX_TIMER_32K_SYNCHRONIZED) - offset_32k;
-}
-#else
-#define omap16xx_32k_read       NULL
-#endif
-
-#ifdef CONFIG_SOC_OMAP2420
-static cycle_t notrace omap2420_32k_read(struct clocksource *cs)
-{
-        return omap_readl(OMAP2420_32KSYNCT_BASE + 0x10) - offset_32k;
-}
-#else
-#define omap2420_32k_read       NULL
-#endif
-
-#ifdef CONFIG_SOC_OMAP2430
-static cycle_t notrace omap2430_32k_read(struct clocksource *cs)
-{
-        return omap_readl(OMAP2430_32KSYNCT_BASE + 0x10) - offset_32k;
-}
-#else
-#define omap2430_32k_read       NULL
-#endif
-
-#ifdef CONFIG_ARCH_OMAP3
-static cycle_t notrace omap34xx_32k_read(struct clocksource *cs)
-{
-        return omap_readl(OMAP3430_32KSYNCT_BASE + 0x10) - offset_32k;
-}
-#else
-#define omap34xx_32k_read       NULL
-#endif
-
-#ifdef CONFIG_ARCH_OMAP4
-static cycle_t notrace omap44xx_32k_read(struct clocksource *cs)
-{
-        return omap_readl(OMAP4430_32KSYNCT_BASE + 0x10) - offset_32k;
-}
-#else
-#define omap44xx_32k_read       NULL
-#endif
-
-/*
- * Kernel assumes that sched_clock can be called early but may not have
- * things ready yet.
- */
-static cycle_t notrace omap_32k_read_dummy(struct clocksource *cs)
-{
-        return 0;
-}
-
-static struct clocksource clocksource_32k = {
-        .name           = "32k_counter",
-        .rating         = 250,
-        .read           = omap_32k_read_dummy,
-        .mask           = CLOCKSOURCE_MASK(32),
-        .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
-};
-
 /*
  * Returns current time from boot in nsecs. It's OK for this to wrap
  * around for now, as it's just a relative time stamp.
@@ -122,7 +52,7 @@ static DEFINE_CLOCK_DATA(cd);
 
 static inline unsigned long long notrace _omap_32k_sched_clock(void)
 {
-        u32 cyc = clocksource_32k.read(&clocksource_32k);
+        u32 cyc = timer_32k_base ? __raw_readl(timer_32k_base) : 0;
         return cyc_to_fixed_sched_clock(&cd, cyc, (u32)~0, SC_MULT, SC_SHIFT);
 }
 
@@ -140,7 +70,7 @@ unsigned long long notrace omap_32k_sched_clock(void)
 
 static void notrace omap_update_sched_clock(void)
 {
-        u32 cyc = clocksource_32k.read(&clocksource_32k);
+        u32 cyc = timer_32k_base ? __raw_readl(timer_32k_base) : 0;
         update_sched_clock(&cd, cyc, (u32)~0);
 }
 
@@ -153,6 +83,7 @@ static void notrace omap_update_sched_clock(void)
  */
 static struct timespec persistent_ts;
 static cycles_t cycles, last_cycles;
+static unsigned int persistent_mult, persistent_shift;
 void read_persistent_clock(struct timespec *ts)
 {
         unsigned long long nsecs;
@@ -160,11 +91,10 @@ void read_persistent_clock(struct timespec *ts)
         struct timespec *tsp = &persistent_ts;
 
         last_cycles = cycles;
-        cycles = clocksource_32k.read(&clocksource_32k);
+        cycles = timer_32k_base ? __raw_readl(timer_32k_base) : 0;
         delta = cycles - last_cycles;
 
-        nsecs = clocksource_cyc2ns(delta,
-                                   clocksource_32k.mult, clocksource_32k.shift);
+        nsecs = clocksource_cyc2ns(delta, persistent_mult, persistent_shift);
 
         timespec_add_ns(tsp, nsecs);
         *ts = *tsp;
@@ -176,29 +106,46 @@ int __init omap_init_clocksource_32k(void)
                         "%s: can't register clocksource!\n";
 
         if (cpu_is_omap16xx() || cpu_class_is_omap2()) {
+                u32 pbase;
+                unsigned long size = SZ_4K;
+                void __iomem *base;
                 struct clk *sync_32k_ick;
 
-                if (cpu_is_omap16xx())
-                        clocksource_32k.read = omap16xx_32k_read;
-                else if (cpu_is_omap2420())
-                        clocksource_32k.read = omap2420_32k_read;
+                if (cpu_is_omap16xx()) {
+                        pbase = OMAP16XX_TIMER_32K_SYNCHRONIZED;
+                        size = SZ_1K;
+                } else if (cpu_is_omap2420())
+                        pbase = OMAP2420_32KSYNCT_BASE + 0x10;
                 else if (cpu_is_omap2430())
-                        clocksource_32k.read = omap2430_32k_read;
+                        pbase = OMAP2430_32KSYNCT_BASE + 0x10;
                 else if (cpu_is_omap34xx())
-                        clocksource_32k.read = omap34xx_32k_read;
+                        pbase = OMAP3430_32KSYNCT_BASE + 0x10;
                 else if (cpu_is_omap44xx())
-                        clocksource_32k.read = omap44xx_32k_read;
+                        pbase = OMAP4430_32KSYNCT_BASE + 0x10;
                 else
                         return -ENODEV;
 
+                /* For this to work we must have a static mapping in io.c for this area */
+                base = ioremap(pbase, size);
+                if (!base)
+                        return -ENODEV;
+
                 sync_32k_ick = clk_get(NULL, "omap_32ksync_ick");
                 if (!IS_ERR(sync_32k_ick))
                         clk_enable(sync_32k_ick);
 
-                offset_32k = clocksource_32k.read(&clocksource_32k);
+                timer_32k_base = base;
+
+                /*
+                 * 120000 rough estimate from the calculations in
+                 * __clocksource_updatefreq_scale.
+                 */
+                clocks_calc_mult_shift(&persistent_mult, &persistent_shift,
+                                32768, NSEC_PER_SEC, 120000);
 
-                if (clocksource_register_hz(&clocksource_32k, 32768))
-                        printk(err, clocksource_32k.name);
+                if (clocksource_mmio_init(base, "32k_counter", 32768, 250, 32,
+                                          clocksource_mmio_readl_up))
+                        printk(err, "32k_counter");
 
                 init_fixed_sched_clock(&cd, omap_update_sched_clock, 32,
                                        32768, SC_MULT, SC_SHIFT);
diff --git a/arch/arm/plat-omap/include/plat/clock.h b/arch/arm/plat-omap/include/plat/clock.h
index 006e599c6613..f57e0649ab30 100644
--- a/arch/arm/plat-omap/include/plat/clock.h
+++ b/arch/arm/plat-omap/include/plat/clock.h
@@ -152,7 +152,7 @@ struct dpll_data {
         u16                     max_multiplier;
         u8                      last_rounded_n;
         u8                      min_divider;
-        u8                      max_divider;
+        u16                     max_divider;
         u8                      modes;
 #if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
         void __iomem            *autoidle_reg;
diff --git a/arch/arm/plat-omap/include/plat/dmtimer.h b/arch/arm/plat-omap/include/plat/dmtimer.h
index d0f3a2d22fd3..eb5d16c60cd9 100644
--- a/arch/arm/plat-omap/include/plat/dmtimer.h
+++ b/arch/arm/plat-omap/include/plat/dmtimer.h
@@ -34,6 +34,7 @@
 
 #include <linux/clk.h>
 #include <linux/delay.h>
+#include <linux/io.h>
 
 #ifndef __ASM_ARCH_DMTIMER_H
 #define __ASM_ARCH_DMTIMER_H
diff --git a/arch/arm/plat-omap/include/plat/i2c.h b/arch/arm/plat-omap/include/plat/i2c.h
index 878d632c4092..7c22b9e10dc3 100644
--- a/arch/arm/plat-omap/include/plat/i2c.h
+++ b/arch/arm/plat-omap/include/plat/i2c.h
@@ -22,6 +22,7 @@
 #define __ASM__ARCH_OMAP_I2C_H
 
 #include <linux/i2c.h>
+#include <linux/i2c-omap.h>
 
 #if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
 extern int omap_register_i2c_bus(int bus_id, u32 clkrate,
@@ -46,10 +47,13 @@ static inline int omap_register_i2c_bus(int bus_id, u32 clkrate,
  */
 struct omap_i2c_dev_attr {
         u8      fifo_depth;
-        u8      flags;
+        u32     flags;
 };
 
 void __init omap1_i2c_mux_pins(int bus_id);
 void __init omap2_i2c_mux_pins(int bus_id);
 
+struct omap_hwmod;
+int omap_i2c_reset(struct omap_hwmod *oh);
+
 #endif /* __ASM__ARCH_OMAP_I2C_H */
diff --git a/arch/arm/plat-omap/include/plat/mcbsp.h b/arch/arm/plat-omap/include/plat/mcbsp.h
index 6c5350832407..9882c657b2d4 100644
--- a/arch/arm/plat-omap/include/plat/mcbsp.h
+++ b/arch/arm/plat-omap/include/plat/mcbsp.h
@@ -33,7 +33,7 @@
 #define OMAP_MCBSP_PLATFORM_DEVICE(port_nr)             \
 static struct platform_device omap_mcbsp##port_nr = {   \
         .name   = "omap-mcbsp-dai",                     \
-        .id     = OMAP_MCBSP##port_nr,                  \
+        .id     = port_nr - 1,                  \
 }
 
 #define MCBSP_CONFIG_TYPE2      0x2
@@ -332,14 +332,6 @@ struct omap_mcbsp_reg_cfg {
 };
 
 typedef enum {
-        OMAP_MCBSP1 = 0,
-        OMAP_MCBSP2,
-        OMAP_MCBSP3,
-        OMAP_MCBSP4,
-        OMAP_MCBSP5
-} omap_mcbsp_id;
-
-typedef enum {
         OMAP_MCBSP_WORD_8 = 0,
         OMAP_MCBSP_WORD_12,
         OMAP_MCBSP_WORD_16,
@@ -385,8 +377,6 @@ struct omap_mcbsp {
         void __iomem *io_base;
         u8 id;
         u8 free;
-        omap_mcbsp_word_length rx_word_length;
-        omap_mcbsp_word_length tx_word_length;
 
         int rx_irq;
         int tx_irq;
diff --git a/arch/arm/plat-omap/include/plat/omap-pm.h b/arch/arm/plat-omap/include/plat/omap-pm.h
index c0a752053039..0840df813f4f 100644
--- a/arch/arm/plat-omap/include/plat/omap-pm.h
+++ b/arch/arm/plat-omap/include/plat/omap-pm.h
@@ -40,11 +40,7 @@
  * framework starts.  The "_if_" is to avoid name collisions with the
  * PM idle-loop code.
  */
-#ifdef CONFIG_OMAP_PM_NONE
-#define omap_pm_if_early_init() 0
-#else
 int __init omap_pm_if_early_init(void);
-#endif
 
 /**
  * omap_pm_if_init - OMAP PM init code called after clock fw init
@@ -52,11 +48,7 @@ int __init omap_pm_if_early_init(void);
  * The main initialization code.  OPP tables are passed in here.  The
  * "_if_" is to avoid name collisions with the PM idle-loop code.
  */
-#ifdef CONFIG_OMAP_PM_NONE
-#define omap_pm_if_init() 0
-#else
 int __init omap_pm_if_init(void);
-#endif
 
 /**
  * omap_pm_if_exit - OMAP PM exit code
diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h
index 1adea9c62984..fafdfe3c8d4e 100644
--- a/arch/arm/plat-omap/include/plat/omap_hwmod.h
+++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h
@@ -77,7 +77,6 @@ extern struct omap_hwmod_sysc_fields omap_hwmod_sysc_type2;
 #define HWMOD_IDLEMODE_FORCE            (1 << 0)
 #define HWMOD_IDLEMODE_NO               (1 << 1)
 #define HWMOD_IDLEMODE_SMART            (1 << 2)
-/* Slave idle mode flag only */
 #define HWMOD_IDLEMODE_SMART_WKUP       (1 << 3)
 
 /**
@@ -98,7 +97,7 @@ struct omap_hwmod_mux_info {
 /**
  * struct omap_hwmod_irq_info - MPU IRQs used by the hwmod
  * @name: name of the IRQ channel (module local name)
- * @irq_ch: IRQ channel ID
+ * @irq: IRQ channel ID (should be non-negative except -1 = terminator)
  *
  * @name should be something short, e.g., "tx" or "rx".  It is for use
  * by platform_get_resource_byname().  It is defined locally to the
@@ -106,13 +105,13 @@ struct omap_hwmod_mux_info {
  */
 struct omap_hwmod_irq_info {
         const char      *name;
-        u16             irq;
+        s16             irq;
 };
 
 /**
  * struct omap_hwmod_dma_info - DMA channels used by the hwmod
  * @name: name of the DMA channel (module local name)
- * @dma_req: DMA request ID
+ * @dma_req: DMA request ID (should be non-negative except -1 = terminator)
  *
  * @name should be something short, e.g., "tx" or "rx".  It is for use
  * by platform_get_resource_byname().  It is defined locally to the
@@ -120,7 +119,7 @@ struct omap_hwmod_irq_info {
  */
 struct omap_hwmod_dma_info {
         const char      *name;
-        u16             dma_req;
+        s16             dma_req;
 };
 
 /**
@@ -220,7 +219,6 @@ struct omap_hwmod_addr_space {
  * @clk: interface clock: OMAP clock name
  * @_clk: pointer to the interface struct clk (filled in at runtime)
  * @fw: interface firewall data
- * @addr_cnt: ARRAY_SIZE(@addr)
  * @width: OCP data width
  * @user: initiators using this interface (see OCP_USER_* macros above)
  * @flags: OCP interface flags (see OCPIF_* macros above)
@@ -239,7 +237,6 @@ struct omap_hwmod_ocp_if {
         union {
                 struct omap_hwmod_omap2_firewall omap2;
         }                               fw;
-        u8                              addr_cnt;
         u8                              width;
         u8                              user;
         u8                              flags;
@@ -258,6 +255,7 @@ struct omap_hwmod_ocp_if {
 #define MSTANDBY_FORCE          (HWMOD_IDLEMODE_FORCE << MASTER_STANDBY_SHIFT)
 #define MSTANDBY_NO             (HWMOD_IDLEMODE_NO << MASTER_STANDBY_SHIFT)
 #define MSTANDBY_SMART          (HWMOD_IDLEMODE_SMART << MASTER_STANDBY_SHIFT)
+#define MSTANDBY_SMART_WKUP     (HWMOD_IDLEMODE_SMART_WKUP << MASTER_STANDBY_SHIFT)
 
 /* omap_hwmod_sysconfig.sysc_flags capability flags */
 #define SYSC_HAS_AUTOIDLE       (1 << 0)
@@ -468,8 +466,8 @@ struct omap_hwmod_class {
  * @name: name of the hwmod
  * @class: struct omap_hwmod_class * to the class of this hwmod
  * @od: struct omap_device currently associated with this hwmod (internal use)
- * @mpu_irqs: ptr to an array of MPU IRQs (see also mpu_irqs_cnt)
- * @sdma_reqs: ptr to an array of System DMA request IDs (see sdma_reqs_cnt)
+ * @mpu_irqs: ptr to an array of MPU IRQs
+ * @sdma_reqs: ptr to an array of System DMA request IDs
  * @prcm: PRCM data pertaining to this hwmod
  * @main_clk: main clock: OMAP clock name
  * @_clk: pointer to the main struct clk (filled in at runtime)
@@ -482,8 +480,6 @@ struct omap_hwmod_class {
  * @_sysc_cache: internal-use hwmod flags
  * @_mpu_rt_va: cached register target start address (internal use)
  * @_mpu_port_index: cached MPU register target slave ID (internal use)
- * @mpu_irqs_cnt: number of @mpu_irqs
- * @sdma_reqs_cnt: number of @sdma_reqs
  * @opt_clks_cnt: number of @opt_clks
  * @master_cnt: number of @master entries
  * @slaves_cnt: number of @slave entries
@@ -531,8 +527,6 @@ struct omap_hwmod {
         u16                             flags;
         u8                              _mpu_port_index;
         u8                              response_lat;
-        u8                              mpu_irqs_cnt;
-        u8                              sdma_reqs_cnt;
         u8                              rst_lines_cnt;
         u8                              opt_clks_cnt;
         u8                              masters_cnt;
@@ -572,6 +566,7 @@ void omap_hwmod_ocp_barrier(struct omap_hwmod *oh);
 
 void omap_hwmod_write(u32 v, struct omap_hwmod *oh, u16 reg_offs);
 u32 omap_hwmod_read(struct omap_hwmod *oh, u16 reg_offs);
+int omap_hwmod_softreset(struct omap_hwmod *oh);
 
 int omap_hwmod_count_resources(struct omap_hwmod *oh);
 int omap_hwmod_fill_resources(struct omap_hwmod *oh, struct resource *res);
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index 455eadcd820c..6c62af108710 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -869,9 +869,6 @@ void omap_mcbsp_start(unsigned int id, int tx, int rx)
         if (cpu_is_omap34xx())
                 omap_st_start(mcbsp);
 
-        mcbsp->rx_word_length = (MCBSP_READ_CACHE(mcbsp, RCR1) >> 5) & 0x7;
-        mcbsp->tx_word_length = (MCBSP_READ_CACHE(mcbsp, XCR1) >> 5) & 0x7;
-
         /* Only enable SRG, if McBSP is master */
         w = MCBSP_READ_CACHE(mcbsp, PCR0);
         if (w & (FSXM | FSRM | CLKXM | CLKRM))
@@ -969,6 +966,33 @@ void omap_mcbsp_stop(unsigned int id, int tx, int rx)
 }
 EXPORT_SYMBOL(omap_mcbsp_stop);
 
+/*
+ * The following functions are only required on an OMAP1-only build.
+ * mach-omap2/mcbsp.c contains the real functions
+ */
+#ifndef CONFIG_ARCH_OMAP2PLUS
+int omap2_mcbsp_set_clks_src(u8 id, u8 fck_src_id)
+{
+        WARN(1, "%s: should never be called on an OMAP1-only kernel\n",
+             __func__);
+        return -EINVAL;
+}
+
+void omap2_mcbsp1_mux_clkr_src(u8 mux)
+{
+        WARN(1, "%s: should never be called on an OMAP1-only kernel\n",
+             __func__);
+        return;
+}
+
+void omap2_mcbsp1_mux_fsr_src(u8 mux)
+{
+        WARN(1, "%s: should never be called on an OMAP1-only kernel\n",
+             __func__);
+        return;
+}
+#endif
+
 #ifdef CONFIG_ARCH_OMAP3
 #define max_thres(m)                    (mcbsp->pdata->buffer_size)
 #define valid_threshold(m, val)         ((val) <= max_thres(m))
diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c
index 49fc0df0c21f..c8b9cd1716ba 100644
--- a/arch/arm/plat-omap/omap_device.c
+++ b/arch/arm/plat-omap/omap_device.c
@@ -236,11 +236,6 @@ static int _omap_device_deactivate(struct omap_device *od, u8 ignore_lat)
         return 0;
 }
 
-static inline struct omap_device *_find_by_pdev(struct platform_device *pdev)
-{
-        return container_of(pdev, struct omap_device, pdev);
-}
-
 /**
  * _add_optional_clock_clkdev - Add clkdev entry for hwmod optional clocks
  * @od: struct omap_device *od
@@ -316,7 +311,7 @@ u32 omap_device_get_context_loss_count(struct platform_device *pdev)
         struct omap_device *od;
         u32 ret = 0;
 
-        od = _find_by_pdev(pdev);
+        od = to_omap_device(pdev);
 
         if (od->hwmods_cnt)
                 ret = omap_hwmod_get_context_loss_count(od->hwmods[0]);
@@ -611,7 +606,7 @@ int omap_device_enable(struct platform_device *pdev)
         int ret;
         struct omap_device *od;
 
-        od = _find_by_pdev(pdev);
+        od = to_omap_device(pdev);
 
         if (od->_state == OMAP_DEVICE_STATE_ENABLED) {
                 WARN(1, "omap_device: %s.%d: %s() called from invalid state %d\n",
@@ -650,7 +645,7 @@ int omap_device_idle(struct platform_device *pdev)
         int ret;
         struct omap_device *od;
 
-        od = _find_by_pdev(pdev);
+        od = to_omap_device(pdev);
 
         if (od->_state != OMAP_DEVICE_STATE_ENABLED) {
                 WARN(1, "omap_device: %s.%d: %s() called from invalid state %d\n",
@@ -681,7 +676,7 @@ int omap_device_shutdown(struct platform_device *pdev)
         int ret, i;
         struct omap_device *od;
 
-        od = _find_by_pdev(pdev);
+        od = to_omap_device(pdev);
 
         if (od->_state != OMAP_DEVICE_STATE_ENABLED &&
             od->_state != OMAP_DEVICE_STATE_IDLE) {
@@ -722,7 +717,7 @@ int omap_device_align_pm_lat(struct platform_device *pdev,
         int ret = -EINVAL;
         struct omap_device *od;
 
-        od = _find_by_pdev(pdev);
+        od = to_omap_device(pdev);
 
         if (new_wakeup_lat_limit == od->dev_wakeup_lat)
                 return 0;