Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma

Pull slave-dma updates from Vinod Koul:
 "Some notable changes are:
   - new driver for AMBA AXI NBPF by Guennadi
   - new driver for sun6i controller by Maxime
   - pl330 drivers fixes from Lar's
   - sh-dma updates and fixes from Laurent, Geert and Kuninori
   - Documentation updates from Geert
   - drivers fixes and updates spread over dw, edma, freescale, mpc512x
     etc.."

* 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (72 commits)
  dmaengine: sun6i: depends on RESET_CONTROLLER
  dma: at_hdmac: fix invalid remaining bytes detection
  dmaengine: nbpfaxi: don't build this driver where it cannot be used
  dmaengine: nbpf_error_get_channel() can be static
  dma: pl08x: Use correct specifier for size_t values
  dmaengine: Remove the context argument to the prep_dma_cyclic operation
  dmaengine: nbpfaxi: convert to tasklet
  dmaengine: nbpfaxi: fix a theoretical race
  dmaengine: add a driver for AMBA AXI NBPF DMAC IP cores
  dmaengine: add device tree binding documentation for the nbpfaxi driver
  dmaengine: edma: Do not register second device when booted with DT
  dmaengine: edma: Do not change the error code returned from edma_alloc_slot
  dmaengine: rcar-dmac: Add device tree bindings documentation
  dmaengine: shdma: Allocate cyclic sg list dynamically
  dmaengine: shdma: Make channel filter ignore unrelated devices
  dmaengine: sh: Rework Kconfig and Makefile
  dmaengine: sun6i: Fix memory leaks
  dmaengine: sun6i: Free the interrupt before killing the tasklet
  dmaengine: sun6i: Remove switch statement from buswidth convertion routine
  dmaengine: of: kconfig: select DMA_ENGINE when DMA_OF is selected
  ...

6 files changed, 42 insertions, 14 deletions

diff --git a/include/dt-bindings/dma/nbpfaxi.h b/include/dt-bindings/dma/nbpfaxi.h
new file mode 100644
index 00000000000..c1a5b9e0d6a
--- /dev/null
+++ b/include/dt-bindings/dma/nbpfaxi.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2013-2014 Renesas Electronics Europe Ltd.
+ * Author: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef DT_BINDINGS_NBPFAXI_H
+#define DT_BINDINGS_NBPFAXI_H
+
+/**
+ * Use "#dma-cells = <2>;" with the second integer defining slave DMA flags:
+ */
+#define NBPF_SLAVE_RQ_HIGH	1
+#define NBPF_SLAVE_RQ_LOW	2
+#define NBPF_SLAVE_RQ_LEVEL	4
+
+#endif
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 3d1c2aa5153..1f9e642c66a 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -37,7 +37,6 @@
  */
 typedef s32 dma_cookie_t;
 #define DMA_MIN_COOKIE	1
-#define DMA_MAX_COOKIE	INT_MAX
 
 static inline int dma_submit_error(dma_cookie_t cookie)
 {
@@ -671,7 +670,7 @@ struct dma_device {
 	struct dma_async_tx_descriptor *(*device_prep_dma_cyclic)(
 		struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len,
 		size_t period_len, enum dma_transfer_direction direction,
-		unsigned long flags, void *context);
+		unsigned long flags);
 	struct dma_async_tx_descriptor *(*device_prep_interleaved_dma)(
 		struct dma_chan *chan, struct dma_interleaved_template *xt,
 		unsigned long flags);
@@ -746,7 +745,7 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_cyclic(
 		unsigned long flags)
 {
 	return chan->device->device_prep_dma_cyclic(chan, buf_addr, buf_len,
-						period_len, dir, flags, NULL);
+						period_len, dir, flags);
 }
 
 static inline struct dma_async_tx_descriptor *dmaengine_prep_interleaved_dma(
diff --git a/include/linux/of_dma.h b/include/linux/of_dma.h
index ae36298ba07..56bc026c143 100644
--- a/include/linux/of_dma.h
+++ b/include/linux/of_dma.h
@@ -41,6 +41,8 @@ extern struct dma_chan *of_dma_request_slave_channel(struct device_node *np,
 						     const char *name);
 extern struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec,
 		struct of_dma *ofdma);
+extern struct dma_chan *of_dma_xlate_by_chan_id(struct of_phandle_args *dma_spec,
+		struct of_dma *ofdma);
 #else
 static inline int of_dma_controller_register(struct device_node *np,
 		struct dma_chan *(*of_dma_xlate)
@@ -66,6 +68,8 @@ static inline struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_s
 	return NULL;
 }
 
+#define of_dma_xlate_by_chan_id NULL
+
 #endif
 
 #endif /* __LINUX_OF_DMA_H */
diff --git a/include/linux/platform_data/dma-imx.h b/include/linux/platform_data/dma-imx.h
index d05542aafa3..6a1357d3187 100644
--- a/include/linux/platform_data/dma-imx.h
+++ b/include/linux/platform_data/dma-imx.h
@@ -40,6 +40,7 @@ enum sdma_peripheral_type {
 	IMX_DMATYPE_ASRC,	/* ASRC */
 	IMX_DMATYPE_ESAI,	/* ESAI */
 	IMX_DMATYPE_SSI_DUAL,	/* SSI Dual FIFO */
+	IMX_DMATYPE_ASRC_SP,	/* Shared ASRC */
 };
 
 enum imx_dma_prio {
diff --git a/include/linux/platform_data/edma.h b/include/linux/platform_data/edma.h
index eb8d5627d08..bdb2710e2aa 100644
--- a/include/linux/platform_data/edma.h
+++ b/include/linux/platform_data/edma.h
@@ -150,6 +150,8 @@ void edma_clear_event(unsigned channel);
 void edma_pause(unsigned channel);
 void edma_resume(unsigned channel);
 
+void edma_assign_channel_eventq(unsigned channel, enum dma_event_q eventq_no);
+
 struct edma_rsv_info {
 
 	const s16	(*rsv_chans)[2];
diff --git a/include/linux/sh_dma.h b/include/linux/sh_dma.h
index b7b43b82231..56b97eed28a 100644
--- a/include/linux/sh_dma.h
+++ b/include/linux/sh_dma.h
@@ -95,19 +95,21 @@ struct sh_dmae_pdata {
 };
 
 /* DMAOR definitions */
-#define DMAOR_AE	0x00000004
+#define DMAOR_AE	0x00000004	/* Address Error Flag */
 #define DMAOR_NMIF	0x00000002
-#define DMAOR_DME	0x00000001
+#define DMAOR_DME	0x00000001	/* DMA Master Enable */
 
 /* Definitions for the SuperH DMAC */
-#define DM_INC	0x00004000
-#define DM_DEC	0x00008000
-#define DM_FIX	0x0000c000
-#define SM_INC	0x00001000
-#define SM_DEC	0x00002000
-#define SM_FIX	0x00003000
-#define CHCR_DE	0x00000001
-#define CHCR_TE	0x00000002
-#define CHCR_IE	0x00000004
+#define DM_INC	0x00004000	/* Destination addresses are incremented */
+#define DM_DEC	0x00008000	/* Destination addresses are decremented */
+#define DM_FIX	0x0000c000	/* Destination address is fixed */
+#define SM_INC	0x00001000	/* Source addresses are incremented */
+#define SM_DEC	0x00002000	/* Source addresses are decremented */
+#define SM_FIX	0x00003000	/* Source address is fixed */
+#define RS_AUTO	0x00000400	/* Auto Request */
+#define RS_ERS	0x00000800	/* DMA extended resource selector */
+#define CHCR_DE	0x00000001	/* DMA Enable */
+#define CHCR_TE	0x00000002	/* Transfer End Flag */
+#define CHCR_IE	0x00000004	/* Interrupt Enable */
 
 #endif