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authorRussell King - ARM Linux <linux@arm.linux.org.uk>2012-03-06 23:34:26 +0100
committerVinod Koul <vinod.koul@linux.intel.com>2012-03-13 07:06:44 +0100
commitd2ebfb335b0426deb1a4fb14e4e926d81ecd8235 (patch)
tree222c90df3fe29a08de668d862ed25d203404c315
parentdmaengine: move last completed cookie into generic dma_chan structure (diff)
downloadlinux-d2ebfb335b0426deb1a4fb14e4e926d81ecd8235.tar.xz
linux-d2ebfb335b0426deb1a4fb14e4e926d81ecd8235.zip
dmaengine: add private header file
Add a local private header file to contain definitions and declarations which should only be used by DMA engine drivers. We also fix linux/dmaengine.h to use LINUX_DMAENGINE_H to guard against multiple inclusion. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Tested-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Jassi Brar <jassisinghbrar@gmail.com> [imx-sdma.c & mxs-dma.c] Tested-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
-rw-r--r--drivers/dma/amba-pl08x.c2
-rw-r--r--drivers/dma/at_hdmac.c1
-rw-r--r--drivers/dma/coh901318.c1
-rw-r--r--drivers/dma/dmaengine.h10
-rw-r--r--drivers/dma/dw_dmac.c1
-rw-r--r--drivers/dma/ep93xx_dma.c2
-rw-r--r--drivers/dma/fsldma.c1
-rw-r--r--drivers/dma/imx-dma.c2
-rw-r--r--drivers/dma/imx-sdma.c2
-rw-r--r--drivers/dma/intel_mid_dma.c2
-rw-r--r--drivers/dma/ioat/dma.c2
-rw-r--r--drivers/dma/ioat/dma_v2.c2
-rw-r--r--drivers/dma/iop-adma.c2
-rw-r--r--drivers/dma/ipu/ipu_idmac.c1
-rw-r--r--drivers/dma/mpc512x_dma.c2
-rw-r--r--drivers/dma/mv_xor.c2
-rw-r--r--drivers/dma/mxs-dma.c2
-rw-r--r--drivers/dma/pch_dma.c2
-rw-r--r--drivers/dma/pl330.c2
-rw-r--r--drivers/dma/ppc4xx/adma.c1
-rw-r--r--drivers/dma/shdma.c2
-rw-r--r--drivers/dma/ste_dma40.c1
-rw-r--r--drivers/dma/timb_dma.c2
-rw-r--r--drivers/dma/txx9dmac.c2
-rw-r--r--include/linux/dmaengine.h4
25 files changed, 51 insertions, 2 deletions
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index e510447a685a..45f5e66e1c84 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -85,6 +85,8 @@
#include <linux/slab.h>
#include <asm/hardware/pl080.h>
+#include "dmaengine.h"
+
#define DRIVER_NAME "pl08xdmac"
static struct amba_driver pl08x_amba_driver;
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 6baf5d717262..ce26ba381144 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -27,6 +27,7 @@
#include <linux/of_device.h>
#include "at_hdmac_regs.h"
+#include "dmaengine.h"
/*
* Glossary
diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c
index 521434bc3130..fb0d1245ade5 100644
--- a/drivers/dma/coh901318.c
+++ b/drivers/dma/coh901318.c
@@ -24,6 +24,7 @@
#include <mach/coh901318.h>
#include "coh901318_lli.h"
+#include "dmaengine.h"
#define COHC_2_DEV(cohc) (&cohc->chan.dev->device)
diff --git a/drivers/dma/dmaengine.h b/drivers/dma/dmaengine.h
new file mode 100644
index 000000000000..968570dde2eb
--- /dev/null
+++ b/drivers/dma/dmaengine.h
@@ -0,0 +1,10 @@
+/*
+ * The contents of this file are private to DMA engine drivers, and is not
+ * part of the API to be used by DMA engine users.
+ */
+#ifndef DMAENGINE_H
+#define DMAENGINE_H
+
+#include <linux/dmaengine.h>
+
+#endif
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
index 5bd23006ff4a..b279e1920725 100644
--- a/drivers/dma/dw_dmac.c
+++ b/drivers/dma/dw_dmac.c
@@ -23,6 +23,7 @@
#include <linux/slab.h>
#include "dw_dmac_regs.h"
+#include "dmaengine.h"
/*
* This supports the Synopsys "DesignWare AHB Central DMA Controller",
diff --git a/drivers/dma/ep93xx_dma.c b/drivers/dma/ep93xx_dma.c
index bc457878cffd..326019832a13 100644
--- a/drivers/dma/ep93xx_dma.c
+++ b/drivers/dma/ep93xx_dma.c
@@ -28,6 +28,8 @@
#include <mach/dma.h>
+#include "dmaengine.h"
+
/* M2P registers */
#define M2P_CONTROL 0x0000
#define M2P_CONTROL_STALLINT BIT(0)
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 9b5cb8a43cfa..2ebbe572f9e0 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -35,6 +35,7 @@
#include <linux/dmapool.h>
#include <linux/of_platform.h>
+#include "dmaengine.h"
#include "fsldma.h"
#define chan_dbg(chan, fmt, arg...) \
diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index d3ddcba87f81..cead5e4bd38c 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -30,6 +30,8 @@
#include <mach/dma-v1.h>
#include <mach/hardware.h>
+#include "dmaengine.h"
+
struct imxdma_channel {
struct imxdma_engine *imxdma;
unsigned int channel;
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 49aa4e876645..48a791f93adc 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -43,6 +43,8 @@
#include <mach/dma.h>
#include <mach/hardware.h>
+#include "dmaengine.h"
+
/* SDMA registers */
#define SDMA_H_C0PTR 0x000
#define SDMA_H_INTR 0x004
diff --git a/drivers/dma/intel_mid_dma.c b/drivers/dma/intel_mid_dma.c
index 40e47e6c7ed8..55d0451670b0 100644
--- a/drivers/dma/intel_mid_dma.c
+++ b/drivers/dma/intel_mid_dma.c
@@ -29,6 +29,8 @@
#include <linux/intel_mid_dma.h>
#include <linux/module.h>
+#include "dmaengine.h"
+
#define MAX_CHAN 4 /*max ch across controllers*/
#include "intel_mid_dma_regs.h"
diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c
index fab440af1f9a..dfe411b2014f 100644
--- a/drivers/dma/ioat/dma.c
+++ b/drivers/dma/ioat/dma.c
@@ -40,6 +40,8 @@
#include "registers.h"
#include "hw.h"
+#include "../dmaengine.h"
+
int ioat_pending_level = 4;
module_param(ioat_pending_level, int, 0644);
MODULE_PARM_DESC(ioat_pending_level,
diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c
index d3f0aff2c02a..6c1e6754d9bd 100644
--- a/drivers/dma/ioat/dma_v2.c
+++ b/drivers/dma/ioat/dma_v2.c
@@ -41,6 +41,8 @@
#include "registers.h"
#include "hw.h"
+#include "../dmaengine.h"
+
int ioat_ring_alloc_order = 8;
module_param(ioat_ring_alloc_order, int, 0644);
MODULE_PARM_DESC(ioat_ring_alloc_order,
diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c
index d8027c2b42c0..650bf1e185e8 100644
--- a/drivers/dma/iop-adma.c
+++ b/drivers/dma/iop-adma.c
@@ -36,6 +36,8 @@
#include <mach/adma.h>
+#include "dmaengine.h"
+
#define to_iop_adma_chan(chan) container_of(chan, struct iop_adma_chan, common)
#define to_iop_adma_device(dev) \
container_of(dev, struct iop_adma_device, common)
diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c
index 9149ade6a5d9..0fcff6508fb1 100644
--- a/drivers/dma/ipu/ipu_idmac.c
+++ b/drivers/dma/ipu/ipu_idmac.c
@@ -25,6 +25,7 @@
#include <mach/ipu.h>
+#include "../dmaengine.h"
#include "ipu_intern.h"
#define FS_VF_IN_VALID 0x00000002
diff --git a/drivers/dma/mpc512x_dma.c b/drivers/dma/mpc512x_dma.c
index 39a5cde9f428..c56b3fe5d3fa 100644
--- a/drivers/dma/mpc512x_dma.c
+++ b/drivers/dma/mpc512x_dma.c
@@ -44,6 +44,8 @@
#include <linux/random.h>
+#include "dmaengine.h"
+
/* Number of DMA Transfer descriptors allocated per channel */
#define MPC_DMA_DESCRIPTORS 64
diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index c6a84dac112c..ee61778ba8a2 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -26,6 +26,8 @@
#include <linux/platform_device.h>
#include <linux/memory.h>
#include <plat/mv_xor.h>
+
+#include "dmaengine.h"
#include "mv_xor.h"
static void mv_xor_issue_pending(struct dma_chan *chan);
diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index 3696e6e4143a..daa84ee2a187 100644
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -28,6 +28,8 @@
#include <mach/dma.h>
#include <mach/common.h>
+#include "dmaengine.h"
+
/*
* NOTE: The term "PIO" throughout the mxs-dma implementation means
* PIO mode of mxs apbh-dma and apbx-dma. With this working mode,
diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c
index 79a71858497c..2b3479d850c9 100644
--- a/drivers/dma/pch_dma.c
+++ b/drivers/dma/pch_dma.c
@@ -25,6 +25,8 @@
#include <linux/module.h>
#include <linux/pch_dma.h>
+#include "dmaengine.h"
+
#define DRV_NAME "pch-dma"
#define DMA_CTL0_DISABLE 0x0
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 99c31a76e74e..2db70748403f 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -21,6 +21,8 @@
#include <linux/scatterlist.h>
#include <linux/of.h>
+#include "dmaengine.h"
+
#define NR_DEFAULT_DESC 16
enum desc_status {
diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c
index f878322ecbcb..40082ec8326c 100644
--- a/drivers/dma/ppc4xx/adma.c
+++ b/drivers/dma/ppc4xx/adma.c
@@ -46,6 +46,7 @@
#include <asm/dcr.h>
#include <asm/dcr-regs.h>
#include "adma.h"
+#include "../dmaengine.h"
enum ppc_adma_init_code {
PPC_ADMA_INIT_OK = 0,
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index ae84c12e3865..c2914330b8fc 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -30,6 +30,8 @@
#include <linux/kdebug.h>
#include <linux/spinlock.h>
#include <linux/rculist.h>
+
+#include "dmaengine.h"
#include "shdma.h"
/* DMA descriptor control */
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index cfca2a06d1af..156b98f661a3 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -21,6 +21,7 @@
#include <plat/ste_dma40.h>
+#include "dmaengine.h"
#include "ste_dma40_ll.h"
#define D40_NAME "dma40"
diff --git a/drivers/dma/timb_dma.c b/drivers/dma/timb_dma.c
index a1d15598cf7e..4b61879284d1 100644
--- a/drivers/dma/timb_dma.c
+++ b/drivers/dma/timb_dma.c
@@ -31,6 +31,8 @@
#include <linux/timb_dma.h>
+#include "dmaengine.h"
+
#define DRIVER_NAME "timb-dma"
/* Global DMA registers */
diff --git a/drivers/dma/txx9dmac.c b/drivers/dma/txx9dmac.c
index a917b6723bad..db6d809d4d04 100644
--- a/drivers/dma/txx9dmac.c
+++ b/drivers/dma/txx9dmac.c
@@ -15,6 +15,8 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/scatterlist.h>
+
+#include "dmaengine.h"
#include "txx9dmac.h"
static struct txx9dmac_chan *to_txx9dmac_chan(struct dma_chan *chan)
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index c59c4f0c2cc9..715babf4bffe 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -18,8 +18,8 @@
* The full GNU General Public License is included in this distribution in the
* file called COPYING.
*/
-#ifndef DMAENGINE_H
-#define DMAENGINE_H
+#ifndef LINUX_DMAENGINE_H
+#define LINUX_DMAENGINE_H
#include <linux/device.h>
#include <linux/uio.h>