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

Browse source 
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
  ...
This commit is contained in:
Linus Torvalds 2014-08-11 07:14:01 -07:00
commit c7a19c795b
59 changed files with 4031 additions and 984 deletions
Download patch file Download diff file Expand all files Collapse all files

5
include/linux/dmaengine.h
View file

@ -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(

4
include/linux/of_dma.h
View file

@ -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 */

1
include/linux/platform_data/dma-imx.h
View file

@ -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 {

2
include/linux/platform_data/edma.h
View file

@ -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];

24
include/linux/sh_dma.h
View file

@ -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