summaryrefslogtreecommitdiff
path: root/drivers/dma/at_hdmac_regs.h
diff options
context:
space:
mode:
authorLudovic Desroches <ludovic.desroches@atmel.com>2013-04-19 09:11:18 +0000
committerVinod Koul <vinod.koul@intel.com>2013-04-30 14:17:41 +0530
commitbbe89c8e3d598129b728d1388c3ad9abe4e8e261 (patch)
treeb4654e214de37c86501ad83005c29a8419a97a3d /drivers/dma/at_hdmac_regs.h
parente6a30fec08b421a59064437a7d990c70a80a7e7f (diff)
downloadlwn-bbe89c8e3d598129b728d1388c3ad9abe4e8e261.tar.gz
lwn-bbe89c8e3d598129b728d1388c3ad9abe4e8e261.zip
at_hdmac: move to generic DMA binding
Update at_hdmac driver to support generic DMA device tree binding. Devices can still request channel with dma_request_channel() then it doesn't break DMA for non DT boards. Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/at_hdmac_regs.h')
-rw-r--r--drivers/dma/at_hdmac_regs.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/dma/at_hdmac_regs.h b/drivers/dma/at_hdmac_regs.h
index 0eb3c1388667..c604d26fd4d3 100644
--- a/drivers/dma/at_hdmac_regs.h
+++ b/drivers/dma/at_hdmac_regs.h
@@ -220,6 +220,8 @@ enum atc_status {
* @device: parent device
* @ch_regs: memory mapped register base
* @mask: channel index in a mask
+ * @per_if: peripheral interface
+ * @mem_if: memory interface
* @status: transmit status information from irq/prep* functions
* to tasklet (use atomic operations)
* @tasklet: bottom half to finish transaction work
@@ -238,6 +240,8 @@ struct at_dma_chan {
struct at_dma *device;
void __iomem *ch_regs;
u8 mask;
+ u8 per_if;
+ u8 mem_if;
unsigned long status;
struct tasklet_struct tasklet;
u32 save_cfg;