Merge branch 'tegra/dma-reset-rework' into next/dt

Bringing in the tegra dma/reset framework cleanup as a base for the DT changes.

* tegra/dma-reset-rework: (320 commits)
  spi: tegra: checking for ERR_PTR instead of NULL
  ASoC: tegra: update module reset list for Tegra124
  clk: tegra: remove bogus PCIE_XCLK
  clk: tegra: remove legacy reset APIs
  ARM: tegra: remove legacy DMA entries from DT
  ARM: tegra: remove legacy clock entries from DT
  USB: EHCI: tegra: use reset framework
  Input: tegra-kbc - use reset framework
  serial: tegra: convert to standard DMA DT bindings
  serial: tegra: use reset framework
  spi: tegra: convert to standard DMA DT bindings
  spi: tegra: use reset framework
  staging: nvec: use reset framework
  i2c: tegra: use reset framework
  ASoC: tegra: convert to standard DMA DT bindings
  ASoC: tegra: allocate AHUB FIFO during probe() not startup()
  ASoC: tegra: call pm_runtime APIs around register accesses
  ASoC: tegra: use reset framework
  dma: tegra: register as an OF DMA controller
  dma: tegra: use reset framework
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>

12 files changed, 50 insertions, 40 deletions

diff --git a/include/linux/clk/tegra.h b/include/linux/clk/tegra.h
index 23a0ceee831f..3ca9fca827a2 100644
--- a/include/linux/clk/tegra.h
+++ b/include/linux/clk/tegra.h
@@ -120,13 +120,6 @@ static inline void tegra_cpu_clock_resume(void)
 }
 #endif
 
-#ifdef CONFIG_ARCH_TEGRA
-void tegra_periph_reset_deassert(struct clk *c);
-void tegra_periph_reset_assert(struct clk *c);
-#else
-static inline void tegra_periph_reset_deassert(struct clk *c) {}
-static inline void tegra_periph_reset_assert(struct clk *c) {}
-#endif
 void tegra_clocks_apply_init_table(void);
 
 #endif /* __LINUX_CLK_TEGRA_H_ */
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index dc196bbcf227..ee5fe9d77ae8 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -280,6 +280,14 @@ cpufreq_verify_within_cpu_limits(struct cpufreq_policy *policy)
                         policy->cpuinfo.max_freq);
 }
 
+#ifdef CONFIG_CPU_FREQ
+void cpufreq_suspend(void);
+void cpufreq_resume(void);
+#else
+static inline void cpufreq_suspend(void) {}
+static inline void cpufreq_resume(void) {}
+#endif
+
 /*********************************************************************
  *                     CPUFREQ NOTIFIER INTERFACE                    *
  *********************************************************************/
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 41cf0c399288..bae1568416f8 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -22,6 +22,7 @@
 #define LINUX_DMAENGINE_H
 
 #include <linux/device.h>
+#include <linux/err.h>
 #include <linux/uio.h>
 #include <linux/bug.h>
 #include <linux/scatterlist.h>
@@ -1040,6 +1041,8 @@ enum dma_status dma_wait_for_async_tx(struct dma_async_tx_descriptor *tx);
 void dma_issue_pending_all(void);
 struct dma_chan *__dma_request_channel(const dma_cap_mask_t *mask,
                                         dma_filter_fn fn, void *fn_param);
+struct dma_chan *dma_request_slave_channel_reason(struct device *dev,
+                                                  const char *name);
 struct dma_chan *dma_request_slave_channel(struct device *dev, const char *name);
 void dma_release_channel(struct dma_chan *chan);
 #else
@@ -1063,6 +1066,11 @@ static inline struct dma_chan *__dma_request_channel(const dma_cap_mask_t *mask,
 {
         return NULL;
 }
+static inline struct dma_chan *dma_request_slave_channel_reason(
+                                        struct device *dev, const char *name)
+{
+        return ERR_PTR(-ENODEV);
+}
 static inline struct dma_chan *dma_request_slave_channel(struct device *dev,
                                                          const char *name)
 {
@@ -1079,6 +1087,7 @@ int dma_async_device_register(struct dma_device *device);
 void dma_async_device_unregister(struct dma_device *device);
 void dma_run_dependencies(struct dma_async_tx_descriptor *tx);
 struct dma_chan *dma_get_slave_channel(struct dma_chan *chan);
+struct dma_chan *dma_get_any_slave_channel(struct dma_device *device);
 struct dma_chan *net_dma_find_channel(void);
 #define dma_request_channel(mask, x, y) __dma_request_channel(&(mask), x, y)
 #define dma_request_slave_channel_compat(mask, x, y, dev, name) \
diff --git a/include/linux/efi.h b/include/linux/efi.h
index bc5687d0f315..11ce6784a196 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -801,6 +801,8 @@ struct efivar_entry {
         struct efi_variable var;
         struct list_head list;
         struct kobject kobj;
+        bool scanning;
+        bool deleting;
 };
 
 
@@ -866,6 +868,8 @@ void efivar_run_worker(void);
 #if defined(CONFIG_EFI_VARS) || defined(CONFIG_EFI_VARS_MODULE)
 int efivars_sysfs_init(void);
 
+#define EFIVARS_DATA_SIZE_MAX 1024
+
 #endif /* CONFIG_EFI_VARS */
 
 #endif /* _LINUX_EFI_H */
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 9abbe630c456..8c9b7a1c4138 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -248,6 +248,9 @@ struct ftrace_event_call {
 #ifdef CONFIG_PERF_EVENTS
         int                             perf_refcount;
         struct hlist_head __percpu      *perf_events;
+
+        int     (*perf_perm)(struct ftrace_event_call *,
+                             struct perf_event *);
 #endif
 };
 
@@ -317,6 +320,19 @@ struct ftrace_event_file {
         }                                                               \
         early_initcall(trace_init_flags_##name);
 
+#define __TRACE_EVENT_PERF_PERM(name, expr...)                          \
+        static int perf_perm_##name(struct ftrace_event_call *tp_event, \
+                                    struct perf_event *p_event)         \
+        {                                                               \
+                return ({ expr; });                                     \
+        }                                                               \
+        static int __init trace_init_perf_perm_##name(void)             \
+        {                                                               \
+                event_##name.perf_perm = &perf_perm_##name;             \
+                return 0;                                               \
+        }                                                               \
+        early_initcall(trace_init_perf_perm_##name);
+
 #define PERF_MAX_TRACE_SIZE     2048
 
 #define MAX_FILTER_STR_VAL      256     /* Should handle KSYM_SYMBOL_LEN */
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 82eac610ce1a..3ea2cf6b0e6c 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -2,9 +2,12 @@
 #define __LINUX_GPIO_DRIVER_H
 
 #include <linux/types.h>
+#include <linux/module.h>
 
 struct device;
 struct gpio_desc;
+struct of_phandle_args;
+struct device_node;
 struct seq_file;
 
 /**
diff