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
  ...

5 files changed, 22 insertions, 14 deletions

diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 3d1c2aa51530..1f9e642c66ad 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 ae36298ba076..56bc026c143f 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 d05542aafa3e..6a1357d31871 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 eb8d5627d080..bdb2710e2aab 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 b7b43b82231e..56b97eed28a4 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