dmaengine: shdma: add runtime- and system-level power management

This patch extends and fixes runtime power management in the shdma
driver to support powering down the DMA controller and adds support
for system-level suspend and resume.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/dma/shdma.h b/drivers/dma/shdma.h
index 52e4fb173805..3f9d3cd06584 100644
--- a/drivers/dma/shdma.h
+++ b/drivers/dma/shdma.h
@@ -37,6 +37,7 @@ struct sh_dmae_chan {
         int id;                         /* Raw id of this channel */
         u32 __iomem *base;
         char dev_id[16];                /* unique name per DMAC of channel */
+        int pm_error;
 };
 
 struct sh_dmae_device {