Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: (48 commits)
  DMAENGINE: move COH901318 to arch_initcall
  dma: imx-dma: fix signedness bug
  dma/timberdale: simplify conditional
  ste_dma40: remove channel_type
  ste_dma40: remove enum for endianess
  ste_dma40: remove TIM_FOR_LINK option
  ste_dma40: move mode_opt to separate config
  ste_dma40: move channel mode to a separate field
  ste_dma40: move priority to separate field
  ste_dma40: add variable to indicate valid dma_cfg
  async_tx: make async_tx channel switching opt-in
  move async raid6 test to lib/Kconfig.debug
  dmaengine: Add Freescale i.MX1/21/27 DMA driver
  intel_mid_dma: change the slave interface
  intel_mid_dma: fix the WARN_ONs
  intel_mid_dma: Add sg list support to DMA driver
  intel_mid_dma: Allow DMAC2 to share interrupt
  intel_mid_dma: Allow IRQ sharing
  intel_mid_dma: Add runtime PM support
  DMAENGINE: define a dummy filter function for ste_dma40
  ...

25 files changed, 5716 insertions, 1159 deletions

diff --git a/arch/arm/mach-imx/include/mach/dma-v1.h b/arch/arm/mach-imx/include/mach/dma-v1.h
index 287431cc13e..ac6fd713828 100644
--- a/arch/arm/mach-imx/include/mach/dma-v1.h
+++ b/arch/arm/mach-imx/include/mach/dma-v1.h
@@ -27,6 +27,8 @@
 
 #define imx_has_dma_v1()        (cpu_is_mx1() || cpu_is_mx21() || cpu_is_mx27())
 
+#include <mach/dma.h>
+
 #define IMX_DMA_CHANNELS  16
 
 #define DMA_MODE_READ           0
@@ -96,12 +98,6 @@ int imx_dma_request(int channel, const char *name);
 
 void imx_dma_free(int channel);
 
-enum imx_dma_prio {
-        DMA_PRIO_HIGH = 0,
-        DMA_PRIO_MEDIUM = 1,
-        DMA_PRIO_LOW = 2
-};
-
 int imx_dma_request_by_prio(const char *name, enum imx_dma_prio prio);
 
 #endif  /* __MACH_DMA_V1_H__ */
diff --git a/arch/arm/mach-ux500/devices-db8500.c b/arch/arm/mach-ux500/devices-db8500.c
index cbbe69a76a7..4a94be3304b 100644
--- a/arch/arm/mach-ux500/devices-db8500.c
+++ b/arch/arm/mach-ux500/devices-db8500.c
@@ -208,35 +208,25 @@ static struct resource dma40_resources[] = {
 
 /* Default configuration for physcial memcpy */
 struct stedma40_chan_cfg dma40_memcpy_conf_phy = {
-        .channel_type = (STEDMA40_CHANNEL_IN_PHY_MODE |
-                         STEDMA40_LOW_PRIORITY_CHANNEL |
-                         STEDMA40_PCHAN_BASIC_MODE),
+        .mode = STEDMA40_MODE_PHYSICAL,
         .dir = STEDMA40_MEM_TO_MEM,
 
-        .src_info.endianess = STEDMA40_LITTLE_ENDIAN,
         .src_info.data_width = STEDMA40_BYTE_WIDTH,
         .src_info.psize = STEDMA40_PSIZE_PHY_1,
         .src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
 
-        .dst_info.endianess = STEDMA40_LITTLE_ENDIAN,
         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
         .dst_info.psize = STEDMA40_PSIZE_PHY_1,
         .dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
 };
 /* Default configuration for logical memcpy */
 struct stedma40_chan_cfg dma40_memcpy_conf_log = {
-        .channel_type = (STEDMA40_CHANNEL_IN_LOG_MODE |
-                         STEDMA40_LOW_PRIORITY_CHANNEL |
-                         STEDMA40_LCHAN_SRC_LOG_DST_LOG |
-                         STEDMA40_NO_TIM_FOR_LINK),
         .dir = STEDMA40_MEM_TO_MEM,
 
-        .src_info.endianess = STEDMA40_LITTLE_ENDIAN,
         .src_info.data_width = STEDMA40_BYTE_WIDTH,
         .src_info.psize = STEDMA40_PSIZE_LOG_1,
         .src_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
 
-        .dst_info.endianess = STEDMA40_LITTLE_ENDIAN,
         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
         .dst_info.psize = STEDMA40_PSIZE_LOG_1,
         .dst_info.flow_ctrl = STEDMA40_NO_FLOW_CTRL,
@@ -269,7 +259,6 @@ static struct stedma40_platform_data dma40_plat_data = {
         .memcpy_len = ARRAY_SIZE(dma40_memcpy_event),
         .memcpy_conf_phy = &dma40_memcpy_conf_phy,
         .memcpy_conf_log = &dma40_memcpy_conf_log,
-        .llis_per_log = 8,
         .disabled_channels = {-1},
 };
 
diff --git a/arch/arm/plat-mxc/include/mach/dma.h b/arch/arm/plat-mxc/include/mach/dma.h
new file mode 100644
index 00000000000..ef7751546f5
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/dma.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ASM_ARCH_MXC_DMA_H__
+#define __ASM_ARCH_MXC_DMA_H__
+
+#include <linux/scatterlist.h>
+#include <linux/device.h>
+#include <linux/dmaengine.h>
+
+/*
+ * This enumerates peripheral types. Used for SDMA.
+ */
+enum sdma_peripheral_type {
+        IMX_DMATYPE_SSI,        /* MCU domain SSI */
+        IMX_DMATYPE_SSI_SP,     /* Shared SSI */
+        IMX_DMATYPE_MMC,        /* MMC */
+        IMX_DMATYPE_SDHC,       /* SDHC */
+        IMX_DMATYPE_UART,       /* MCU domain UART */
+        IMX_DMATYPE_UART_SP,    /* Shared UART */
+        IMX_DMATYPE_FIRI,       /* FIRI */
+        IMX_DMATYPE_CSPI,       /* MCU domain CSPI */
+        IMX_DMATYPE_CSPI_SP,    /* Shared CSPI */
+        IMX_DMATYPE_SIM,        /* SIM */
+        IMX_DMATYPE_ATA,        /* ATA */
+        IMX_DMATYPE_CCM,        /* CCM */
+        IMX_DMATYPE_EXT,        /* External peripheral */
+        IMX_DMATYPE_MSHC,       /* Memory Stick Host Controller */
+        IMX_DMATYPE_MSHC_SP,    /* Shared Memory Stick Host Controller */
+        IMX_DMATYPE_DSP,        /* DSP */
+        IMX_DMATYPE_MEMORY,     /* Memory */
+        IMX_DMATYPE_FIFO_MEMORY,/* FIFO type Memory */
+        IMX_DMATYPE_SPDIF,      /* SPDIF */
+        IMX_DMATYPE_IPU_MEMORY, /* IPU Memory */
+        IMX_DMATYPE_ASRC,       /* ASRC */
+        IMX_DMATYPE_ESAI,       /* ESAI */
+};
+
+enum imx_dma_prio {
+        DMA_PRIO_HIGH = 0,
+        DMA_PRIO_MEDIUM = 1,
+        DMA_PRIO_LOW = 2
+};
+
+struct imx_dma_data {
+        int dma_request; /* DMA request line */
+        enum sdma_peripheral_type peripheral_type;
+        int priority;
+};
+
+static inline int imx_dma_is_ipu(struct dma_chan *chan)
+{
+        return !strcmp(dev_name(chan->device->dev), "ipu-core");
+}
+
+static inline int imx_dma_is_general_purpose(struct dma_chan *chan)
+{
+        return !strcmp(dev_name(chan->device->dev), "imx-sdma") ||
+                !strcmp(dev_name(chan->device->dev), "imx-dma");
+}
+
+#endif
diff --git a/arch/arm/plat-mxc/include/mach/sdma.h b/arch/arm/plat-mxc/include/mach/sdma.h
new file mode 100644
index 00000000000..9be112227ac
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/sdma.h
@@ -0,0 +1,17 @@
+#ifndef __MACH_MXC_SDMA_H__
+#define __MACH_MXC_SDMA_H__