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authorGuennadi Liakhovetski <g.liakhovetski@gmx.de>2013-06-18 18:16:57 +0200
committerVinod Koul <vinod.koul@intel.com>2013-07-05 11:41:00 +0530
commit67eacc1583909d0588c8d5d80c16298c899a6382 (patch)
tree093794f972e21cf084efcb734667453db1c68926 /include
parentd0951a23383d09276f7976ed34d8f1cede629b48 (diff)
DMA: shdma: add DT support
This patch adds Device Tree support to the shdma driver. No special DT properties are used, only standard DMA DT bindings are implemented. Since shdma controllers reside on SoCs, their configuration is SoC-specific and shall be passed to the driver from the SoC platform data, using the auxdata procedure. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/shdma-base.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/shdma-base.h b/include/linux/shdma-base.h
index 9a938971bc4..382cf710ca9 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;
};