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Commit 9bb67696 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

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: (28 commits)
  ioat: cleanup ->timer_fn() and ->cleanup_fn() prototypes
  ioat3: interrupt coalescing
  ioat: close potential BUG_ON race in the descriptor cleanup path
  ioat2: kill pending flag
  ioat3: use ioat2_quiesce()
  ioat3: cleanup, don't enable DCA completion writes
  DMAENGINE: COH 901 318 lli sg offset fix
  DMAENGINE: COH 901 318 configure channel direction
  DMAENGINE: COH 901 318 remove irq counting
  DMAENGINE: COH 901 318 descriptor pool refactoring
  DMAENGINE: COH 901 318 cleanups
  dma: Add MPC512x DMA driver
  Debugging options for the DMA engine subsystem
  iop-adma: redundant/wrong tests in iop_*_count()?
  dmatest: fix handling of an even number of xor_sources
  dmatest: correct raid6 PQ test
  fsldma: Fix cookie issues
  fsldma: Fix cookie issues
  dma: cases IPU_PIX_FMT_BGRA32, BGR32 and ABGR32 are the same in ipu_ch_param_set_size()
  dma: make Open Firmware device id constant
  ...
parents 0f2cc4ec dd58ffcf

Documentation/powerpc/dts-bindings/fsl/dma.txt

+8 −0
Original line number Diff line number Diff line
@@ -44,21 +44,29 @@ Example: 
			compatible = "fsl,mpc8349-dma-channel", "fsl,elo-dma-channel";

			cell-index = <0>;

			reg = <0 0x80>;

			interrupt-parent = <&ipic>;

			interrupts = <71 8>;

		};

		dma-channel@80 {

			compatible = "fsl,mpc8349-dma-channel", "fsl,elo-dma-channel";

			cell-index = <1>;

			reg = <0x80 0x80>;

			interrupt-parent = <&ipic>;

			interrupts = <71 8>;

		};

		dma-channel@100 {

			compatible = "fsl,mpc8349-dma-channel", "fsl,elo-dma-channel";

			cell-index = <2>;

			reg = <0x100 0x80>;

			interrupt-parent = <&ipic>;

			interrupts = <71 8>;

		};

		dma-channel@180 {

			compatible = "fsl,mpc8349-dma-channel", "fsl,elo-dma-channel";

			cell-index = <3>;

			reg = <0x180 0x80>;

			interrupt-parent = <&ipic>;

			interrupts = <71 8>;

		};

	};

arch/arm/include/asm/hardware/iop3xx-adma.h

+4 −8
Original line number Diff line number Diff line
@@ -366,7 +366,6 @@ static inline int iop_chan_xor_slot_count(size_t len, int src_cnt, 
		slot_cnt += *slots_per_op;

	}



	if (len)

	slot_cnt += *slots_per_op;



	return slot_cnt;
@@ -389,7 +388,6 @@ static inline int iop_chan_zero_sum_slot_count(size_t len, int src_cnt, 
		slot_cnt += *slots_per_op;

	}



	if (len)

	slot_cnt += *slots_per_op;



	return slot_cnt;
@@ -737,12 +735,10 @@ iop_desc_set_zero_sum_byte_count(struct iop_adma_desc_slot *desc, u32 len) 
			i += slots_per_op;

		} while (len > IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT);



		if (len) {

		iter = iop_hw_desc_slot_idx(hw_desc, i);

		iter->byte_count = len;

	}

}

}



static inline void iop_desc_set_dest_addr(struct iop_adma_desc_slot *desc,

					struct iop_adma_chan *chan,

arch/arm/mach-u300/include/mach/coh901318.h

+1 −1
Original line number Diff line number Diff line
@@ -53,7 +53,7 @@ struct coh901318_params { 
 * struct coh_dma_channel - dma channel base

 * @name: ascii name of dma channel

 * @number: channel id number

 * @desc_nbr_max: number of preallocated descriptortors

 * @desc_nbr_max: number of preallocated descriptors

 * @priority_high: prio of channel, 0 low otherwise high.

 * @param: configuration parameters

 * @dev_addr: physical address of periphal connected to channel

drivers/dma/Kconfig

+23 −0
Original line number Diff line number Diff line
@@ -13,6 +13,22 @@ menuconfig DMADEVICES 
	  DMA Device drivers supported by the configured arch, it may

	  be empty in some cases.



config DMADEVICES_DEBUG

        bool "DMA Engine debugging"

        depends on DMADEVICES != n

        help

          This is an option for use by developers; most people should

          say N here.  This enables DMA engine core and driver debugging.



config DMADEVICES_VDEBUG

        bool "DMA Engine verbose debugging"

        depends on DMADEVICES_DEBUG != n

        help

          This is an option for use by developers; most people should

          say N here.  This enables deeper (more verbose) debugging of

          the DMA engine core and drivers.





if DMADEVICES



comment "DMA Devices"
@@ -69,6 +85,13 @@ config FSL_DMA 
	  The Elo is the DMA controller on some 82xx and 83xx parts, and the

	  Elo Plus is the DMA controller on 85xx and 86xx parts.



config MPC512X_DMA

	tristate "Freescale MPC512x built-in DMA engine support"

	depends on PPC_MPC512x

	select DMA_ENGINE

	---help---

	  Enable support for the Freescale MPC512x built-in DMA engine.



config MV_XOR

	bool "Marvell XOR engine support"

	depends on PLAT_ORION

drivers/dma/Makefile

+8 −0
Original line number Diff line number Diff line 
ifeq ($(CONFIG_DMADEVICES_DEBUG),y)

	EXTRA_CFLAGS	+= -DDEBUG

endif

ifeq ($(CONFIG_DMADEVICES_VDEBUG),y)

	EXTRA_CFLAGS	+= -DVERBOSE_DEBUG

endif



obj-$(CONFIG_DMA_ENGINE) += dmaengine.o

obj-$(CONFIG_NET_DMA) += iovlock.o

obj-$(CONFIG_DMATEST) += dmatest.o

obj-$(CONFIG_INTEL_IOATDMA) += ioat/

obj-$(CONFIG_INTEL_IOP_ADMA) += iop-adma.o

obj-$(CONFIG_FSL_DMA) += fsldma.o

obj-$(CONFIG_MPC512X_DMA) += mpc512x_dma.o

obj-$(CONFIG_MV_XOR) += mv_xor.o

obj-$(CONFIG_DW_DMAC) += dw_dmac.o

obj-$(CONFIG_AT_HDMAC) += at_hdmac.o