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| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2013-06-18 18:16:57 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2013-07-05 11:41:00 +0530 |
| commit | 67eacc1583909d0588c8d5d80c16298c899a6382 (patch) | |
| tree | 093794f972e21cf084efcb734667453db1c68926 /include/linux/shdma-base.h | |
| parent | d0951a23383d09276f7976ed34d8f1cede629b48 (diff) | |
| download | lwn-67eacc1583909d0588c8d5d80c16298c899a6382.tar.gz lwn-67eacc1583909d0588c8d5d80c16298c899a6382.zip | |
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/linux/shdma-base.h')
| -rw-r--r-- | include/linux/shdma-base.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/shdma-base.h b/include/linux/shdma-base.h index 9a938971bc4a..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; }; |