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-rw-r--r--include/linux/amba/pl08x.h8
-rw-r--r--include/linux/of_dma.h1
-rw-r--r--include/linux/platform_data/dma-atmel.h4
-rw-r--r--include/linux/platform_data/dma-imx.h6
-rw-r--r--include/linux/sh_dma.h2
-rw-r--r--include/linux/shdma-base.h3
6 files changed, 13 insertions, 11 deletions
diff --git a/include/linux/amba/pl08x.h b/include/linux/amba/pl08x.h
index 2a5f64a11b77..10fe2a211c2e 100644
--- a/include/linux/amba/pl08x.h
+++ b/include/linux/amba/pl08x.h
@@ -76,11 +76,11 @@ struct pl08x_channel_data {
* platform, all inclusive, including multiplexed channels. The available
* physical channels will be multiplexed around these signals as they are
* requested, just enumerate all possible channels.
- * @get_signal: request a physical signal to be used for a DMA transfer
+ * @get_xfer_signal: request a physical signal to be used for a DMA transfer
* immediately: if there is some multiplexing or similar blocking the use
* of the channel the transfer can be denied by returning less than zero,
* else it returns the allocated signal number
- * @put_signal: indicate to the platform that this physical signal is not
+ * @put_xfer_signal: indicate to the platform that this physical signal is not
* running any DMA transfer and multiplexing can be recycled
* @lli_buses: buses which LLIs can be fetched from: PL08X_AHB1 | PL08X_AHB2
* @mem_buses: buses which memory can be accessed from: PL08X_AHB1 | PL08X_AHB2
@@ -89,8 +89,8 @@ struct pl08x_platform_data {
const struct pl08x_channel_data *slave_channels;
unsigned int num_slave_channels;
struct pl08x_channel_data memcpy_channel;
- int (*get_signal)(const struct pl08x_channel_data *);
- void (*put_signal)(const struct pl08x_channel_data *, int);
+ int (*get_xfer_signal)(const struct pl08x_channel_data *);
+ void (*put_xfer_signal)(const struct pl08x_channel_data *, int);
u8 lli_buses;
u8 mem_buses;
};
diff --git a/include/linux/of_dma.h b/include/linux/of_dma.h
index 364dda734877..ae36298ba076 100644
--- a/include/linux/of_dma.h
+++ b/include/linux/of_dma.h
@@ -21,7 +21,6 @@ struct device_node;
struct of_dma {
struct list_head of_dma_controllers;
struct device_node *of_node;
- int of_dma_nbcells;
struct dma_chan *(*of_dma_xlate)
(struct of_phandle_args *, struct of_dma *);
void *of_dma_data;
diff --git a/include/linux/platform_data/dma-atmel.h b/include/linux/platform_data/dma-atmel.h
index cab0997be3de..e95f19c65873 100644
--- a/include/linux/platform_data/dma-atmel.h
+++ b/include/linux/platform_data/dma-atmel.h
@@ -35,16 +35,20 @@ struct at_dma_slave {
/* Platform-configurable bits in CFG */
+#define ATC_PER_MSB(h) ((0x30U & (h)) >> 4) /* Extract most significant bits of a handshaking identifier */
+
#define ATC_SRC_PER(h) (0xFU & (h)) /* Channel src rq associated with periph handshaking ifc h */
#define ATC_DST_PER(h) ((0xFU & (h)) << 4) /* Channel dst rq associated with periph handshaking ifc h */
#define ATC_SRC_REP (0x1 << 8) /* Source Replay Mod */
#define ATC_SRC_H2SEL (0x1 << 9) /* Source Handshaking Mod */
#define ATC_SRC_H2SEL_SW (0x0 << 9)
#define ATC_SRC_H2SEL_HW (0x1 << 9)
+#define ATC_SRC_PER_MSB(h) (ATC_PER_MSB(h) << 10) /* Channel src rq (most significant bits) */
#define ATC_DST_REP (0x1 << 12) /* Destination Replay Mod */
#define ATC_DST_H2SEL (0x1 << 13) /* Destination Handshaking Mod */
#define ATC_DST_H2SEL_SW (0x0 << 13)
#define ATC_DST_H2SEL_HW (0x1 << 13)
+#define ATC_DST_PER_MSB(h) (ATC_PER_MSB(h) << 14) /* Channel dst rq (most significant bits) */
#define ATC_SOD (0x1 << 16) /* Stop On Done */
#define ATC_LOCK_IF (0x1 << 20) /* Interface Lock */
#define ATC_LOCK_B (0x1 << 21) /* AHB Bus Lock */
diff --git a/include/linux/platform_data/dma-imx.h b/include/linux/platform_data/dma-imx.h
index f6d30cc1cb77..beac6b8b6a7b 100644
--- a/include/linux/platform_data/dma-imx.h
+++ b/include/linux/platform_data/dma-imx.h
@@ -60,10 +60,8 @@ static inline int imx_dma_is_ipu(struct dma_chan *chan)
static inline int imx_dma_is_general_purpose(struct dma_chan *chan)
{
- return strstr(dev_name(chan->device->dev), "sdma") ||
- !strcmp(dev_name(chan->device->dev), "imx1-dma") ||
- !strcmp(dev_name(chan->device->dev), "imx21-dma") ||
- !strcmp(dev_name(chan->device->dev), "imx27-dma");
+ return !strcmp(chan->device->dev->driver->name, "imx-sdma") ||
+ !strcmp(chan->device->dev->driver->name, "imx-dma");
}
#endif
diff --git a/include/linux/sh_dma.h b/include/linux/sh_dma.h
index b64d6bec6f90..4e83f3e034f3 100644
--- a/include/linux/sh_dma.h
+++ b/include/linux/sh_dma.h
@@ -99,6 +99,4 @@ struct sh_dmae_pdata {
#define CHCR_TE 0x00000002
#define CHCR_IE 0x00000004
-bool shdma_chan_filter(struct dma_chan *chan, void *arg);
-
#endif
diff --git a/include/linux/shdma-base.h b/include/linux/shdma-base.h
index a3728bf66f0e..382cf710ca9a 100644
--- a/include/linux/shdma-base.h
+++ b/include/linux/shdma-base.h
@@ -68,6 +68,8 @@ struct shdma_chan {
int id; /* Raw id of this channel */
int irq; /* Channel IRQ */
int slave_id; /* Client ID for slave DMA */
+ int hw_req; /* DMA request line for slave DMA - same
+ * as MID/RID, used with DT */
enum shdma_pm_state pm_state;
};
@@ -122,5 +124,6 @@ void shdma_chan_remove(struct shdma_chan *schan);
int shdma_init(struct device *dev, struct shdma_dev *sdev,
int chan_num);
void shdma_cleanup(struct shdma_dev *sdev);
+bool shdma_chan_filter(struct dma_chan *chan, void *arg);
#endif
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