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-rw-r--r--drivers/tty/serial/samsung.c17
-rw-r--r--drivers/tty/serial/samsung.h4
2 files changed, 6 insertions, 15 deletions
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index f44615fa474d..a9b309ba24a4 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -859,7 +859,6 @@ static void s3c24xx_serial_break_ctl(struct uart_port *port, int break_state)
static int s3c24xx_serial_request_dma(struct s3c24xx_uart_port *p)
{
struct s3c24xx_uart_dma *dma = p->dma;
- dma_cap_mask_t mask;
unsigned long flags;
/* Default slave configuration parameters */
@@ -876,21 +875,17 @@ static int s3c24xx_serial_request_dma(struct s3c24xx_uart_port *p)
else
dma->tx_conf.dst_maxburst = 1;
- dma_cap_zero(mask);
- dma_cap_set(DMA_SLAVE, mask);
+ dma->rx_chan = dma_request_chan(p->port.dev, "rx");
- dma->rx_chan = dma_request_slave_channel_compat(mask, dma->fn,
- dma->rx_param, p->port.dev, "rx");
- if (!dma->rx_chan)
- return -ENODEV;
+ if (IS_ERR(dma->rx_chan))
+ return PTR_ERR(dma->rx_chan);
dmaengine_slave_config(dma->rx_chan, &dma->rx_conf);
- dma->tx_chan = dma_request_slave_channel_compat(mask, dma->fn,
- dma->tx_param, p->port.dev, "tx");
- if (!dma->tx_chan) {
+ dma->tx_chan = dma_request_chan(p->port.dev, "tx");
+ if (IS_ERR(dma->tx_chan)) {
dma_release_channel(dma->rx_chan);
- return -ENODEV;
+ return PTR_ERR(dma->tx_chan);
}
dmaengine_slave_config(dma->tx_chan, &dma->tx_conf);
diff --git a/drivers/tty/serial/samsung.h b/drivers/tty/serial/samsung.h
index a04acef1cb20..965199b6c16f 100644
--- a/drivers/tty/serial/samsung.h
+++ b/drivers/tty/serial/samsung.h
@@ -44,10 +44,6 @@ struct s3c24xx_serial_drv_data {
};
struct s3c24xx_uart_dma {
- dma_filter_fn fn;
- void *rx_param;
- void *tx_param;
-
unsigned int rx_chan_id;
unsigned int tx_chan_id;
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