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authorNicolas Ferre <nicolas.ferre@atmel.com>2013-05-10 17:19:14 +0400
committerVinod Koul <vinod.koul@intel.com>2013-07-05 10:10:29 +0400
commit72ae6e4b31e40397eaa81007b39a1074638a6798 (patch)
treec7b7f4ca0407b24e032def7223a78bc731661e14 /drivers/dma/at_hdmac.c
parentea7e79063e604c89b16b819d2e88b20c421d9514 (diff)
downloadlinux-72ae6e4b31e40397eaa81007b39a1074638a6798.tar.xz
dmaengine: at_hdmac: extend hardware handshaking interface identification
Peripheral handshaking identification numbers can be bigger than 15, so new fields have been created in the CFG register. Add macros to take this modification into account and use them in at_dma_xlate() function. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/at_hdmac.c')
-rw-r--r--drivers/dma/at_hdmac.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index cd494209352a..78c3fb4b4e40 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -1230,6 +1230,8 @@ static struct dma_chan *at_dma_xlate(struct of_phandle_args *dma_spec,
per_id = dma_spec->args[1];
atslave->cfg = ATC_FIFOCFG_HALFFIFO | ATC_DST_H2SEL_HW
| ATC_SRC_H2SEL_HW | ATC_DST_PER(per_id)
+ | ATC_DST_PER_MSB(per_id)
+ | ATC_SRC_PER_MSB(per_id)
| ATC_SRC_PER(per_id);
atslave->dma_dev = &dmac_pdev->dev;