spi: atmel: remove compat for non DT board when requesting dma chan

All boards with a dma controller have DT support so using
dma_request_slave_channel_compat is no more needed.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 2 insertions, 23 deletions

diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index 6ed18934dffe..3370a3dfd883 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -417,23 +417,6 @@ static int atmel_spi_dma_slave_config(struct atmel_spi *as,
         return err;
 }
 
-static bool filter(struct dma_chan *chan, void *pdata)
-{
-        struct atmel_spi_dma *sl_pdata = pdata;
-        struct at_dma_slave *sl;
-
-        if (!sl_pdata)
-                return false;
-
-        sl = &sl_pdata->dma_slave;
-        if (sl->dma_dev == chan->device->dev) {
-                chan->private = sl;
-                return true;
-        } else {
-                return false;
-        }
-}
-
 static int atmel_spi_configure_dma(struct atmel_spi *as)
 {
         struct dma_slave_config slave_config;
@@ -444,9 +427,7 @@ static int atmel_spi_configure_dma(struct atmel_spi *as)
         dma_cap_zero(mask);
         dma_cap_set(DMA_SLAVE, mask);
 
-        as->dma.chan_tx = dma_request_slave_channel_compat(mask, filter,
-                                                           &as->dma,
-                                                           dev, "tx");
+        as->dma.chan_tx = dma_request_slave_channel(dev, "tx");
         if (!as->dma.chan_tx) {
                 dev_err(dev,
                         "DMA TX channel not available, SPI unable to use DMA\n");
@@ -454,9 +435,7 @@ static int atmel_spi_configure_dma(struct atmel_spi *as)
                 goto error;
         }
 
-        as->dma.chan_rx = dma_request_slave_channel_compat(mask, filter,
-                                                           &as->dma,
-                                                           dev, "rx");
+        as->dma.chan_rx = dma_request_slave_channel(dev, "rx");
 
         if (!as->dma.chan_rx) {
                 dev_err(dev,