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authorVinod Koul <vinod.koul@intel.com>2013-09-04 18:36:53 +0530
committerVinod Koul <vinod.koul@intel.com>2013-09-04 18:36:53 +0530
commitbd127639f43ed00f721b403c7c252caa19d0f613 (patch)
treefbecc9ae6b7a0b41c061aafff06f1fabd7c1e73b
parent265d9c673d47fcd5812d69dc07104b706285de56 (diff)
parentdbaf6d85114bd2043f3ca758f71f9f7e4e579601 (diff)
Merge branch 'topic/api_caps' into for-linus
-rw-r--r--drivers/dma/pl330.c15
-rw-r--r--include/linux/dmaengine.h8
2 files changed, 8 insertions, 15 deletions
diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index 36ed30116ee0..a562d24d20bf 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -2886,13 +2886,6 @@ static int pl330_dma_device_slave_caps(struct dma_chan *dchan,
caps->cmd_pause = false;
caps->cmd_terminate = true;
- /*
- * This is the limit for transfers with a buswidth of 1, larger
- * buswidths will have larger limits.
- */
- caps->max_sg_len = 1900800;
- caps->max_sg_nr = 0;
-
return 0;
}
@@ -3017,6 +3010,14 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id)
"unable to register DMA to the generic DT DMA helpers\n");
}
}
+ /*
+ * This is the limit for transfers with a buswidth of 1, larger
+ * buswidths will have larger limits.
+ */
+ ret = dma_set_max_seg_size(&adev->dev, 1900800);
+ if (ret)
+ dev_err(&adev->dev, "unable to set the seg size\n");
+
dev_info(&adev->dev,
"Loaded driver for PL330 DMAC-%d\n", adev->periphid);
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 13ac4f553227..2601186ab183 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -380,11 +380,6 @@ struct dma_slave_config {
* should be checked by controller as well
* @cmd_pause: true, if pause and thereby resume is supported
* @cmd_terminate: true, if terminate cmd is supported
- *
- * @max_sg_nr: maximum number of SG segments supported
- * 0 for no maximum
- * @max_sg_len: maximum length of a SG segment supported
- * 0 for no maximum
*/
struct dma_slave_caps {
u32 src_addr_widths;
@@ -392,9 +387,6 @@ struct dma_slave_caps {
u32 directions;
bool cmd_pause;
bool cmd_terminate;
-
- u32 max_sg_nr;
- u32 max_sg_len;
};
static inline const char *dma_chan_name(struct dma_chan *chan)