dmaengine: PL08x: clean up get_signal/put_signal

Try to avoid dereferencing the DMA engine's channel struct in these
platform helpers; instead, pass a pointer to the channel data into
get_signal(), and the returned signal number to put_signal().

Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index 5821125f0458..cc08c8c01a9e 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -874,7 +874,7 @@ static int prep_phy_channel(struct pl08x_dma_chan *plchan,
          * Can the platform allow us to use this channel?
          */
         if (plchan->slave && pl08x->pd->get_signal) {
-                ret = pl08x->pd->get_signal(plchan);
+                ret = pl08x->pd->get_signal(plchan->cd);
                 if (ret < 0) {
                         dev_dbg(&pl08x->adev->dev,
                                 "unable to use physical channel %d for transfer on %s due to platform restrictions\n",
@@ -909,7 +909,7 @@ static void release_phy_channel(struct pl08x_dma_chan *plchan)
         struct pl08x_driver_data *pl08x = plchan->host;
 
         if ((plchan->phychan->signal >= 0) && pl08x->pd->put_signal) {
-                pl08x->pd->put_signal(plchan);
+                pl08x->pd->put_signal(plchan->cd, plchan->phychan->signal);
                 plchan->phychan->signal = -1;
         }
         pl08x_put_phy_channel(pl08x, plchan->phychan);