Currently on da830/omapl137 EDMA fails to get initialized because
EDMA channel controller name is being passed wrongly. This is
preventing a kernel crash which could happen as the queue_tc_mapping
and queue_priority_mapping are not initialized for da830/omapl137.
Signed-off-by: Sudhakar Rajashekhara <sudhakar....@ti.com>
---
arch/arm/mach-davinci/devices-da830.c | 29 +++++++++++++++++++++++------
1 files changed, 23 insertions(+), 6 deletions(-)
diff --git a/arch/arm/mach-davinci/devices-da830.c
b/arch/arm/mach-davinci/devices-da830.c
index 95110ca..15cdff9 100644
--- a/arch/arm/mach-davinci/devices-da830.c
+++ b/arch/arm/mach-davinci/devices-da830.c
@@ -85,17 +85,34 @@ static const s8 da830_dma_chan_no_event[] = {
-1
};
+static const s8 da830_queue_tc_mapping[][2] = {
+ /* {event queue no, TC no} */
+ {0, 0},
+ {1, 1},
+ {-1, -1}
+};
+
+static const s8 da830_queue_priority_mapping[][2] = {
+ /* {event queue no, Priority} */
+ {0, 3},
+ {1, 7},
+ {-1, -1}
+};
+
static struct edma_soc_info da830_edma_info = {
- .n_channel = 32,
- .n_region = 4,
- .n_slot = 128,
- .n_tc = 2,
- .noevent = da830_dma_chan_no_event,
+ .n_channel = 32,
+ .n_region = 4,
+ .n_slot = 128,
+ .n_tc = 2,
+ .n_cc = 1,
+ .noevent = da830_dma_chan_no_event,
+ .queue_tc_mapping = da830_queue_tc_mapping,
+ .queue_priority_mapping = da830_queue_priority_mapping,
};
static struct resource da830_edma_resources[] = {
{
- .name = "edma_cc",
+ .name = "edma_cc0",
.start = DA830_TPCC_BASE,
.end = DA830_TPCC_BASE + SZ_32K - 1,
.flags = IORESOURCE_MEM,
--
1.5.6
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