1 files changed, 3 insertions, 39 deletions

diff --git a/arch/arm/mach-s3c24xx/dma-s3c2412.c b/arch/arm/mach-s3c24xx/dma-s3c2412.c
index 22298ea5e111..b7e094671522 100644
--- a/arch/arm/mach-s3c24xx/dma-s3c2412.c
+++ b/arch/arm/mach-s3c24xx/dma-s3c2412.c
@@ -35,131 +35,95 @@ static struct s3c24xx_dma_map __initdata s3c2412_dma_mappings[] = {
         [DMACH_XD0] = {
                 .name           = "xdreq0",
                 .channels       = MAP(S3C2412_DMAREQSEL_XDREQ0),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_XDREQ0),
         },
         [DMACH_XD1] = {
                 .name           = "xdreq1",
                 .channels       = MAP(S3C2412_DMAREQSEL_XDREQ1),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_XDREQ1),
         },
         [DMACH_SDI] = {
                 .name           = "sdi",
                 .channels       = MAP(S3C2412_DMAREQSEL_SDI),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_SDI),
         },
         [DMACH_SPI0_RX] = {
                 .name           = "spi0-rx",
                 .channels       = MAP(S3C2412_DMAREQSEL_SPI0RX),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_SPI0RX),
         },
         [DMACH_SPI0_TX] = {
                 .name           = "spi0-tx",
                 .channels       = MAP(S3C2412_DMAREQSEL_SPI0TX),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_SPI0TX),
         },
         [DMACH_SPI1_RX] = {
                 .name           = "spi1-rx",
                 .channels       = MAP(S3C2412_DMAREQSEL_SPI1RX),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_SPI1RX),
         },
         [DMACH_SPI1_TX] = {
                 .name           = "spi1-tx",
                 .channels       = MAP(S3C2412_DMAREQSEL_SPI1TX),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_SPI1TX),
         },
         [DMACH_UART0] = {
                 .name           = "uart0",
                 .channels       = MAP(S3C2412_DMAREQSEL_UART0_0),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_UART0_0),
         },
         [DMACH_UART1] = {
                 .name           = "uart1",
                 .channels       = MAP(S3C2412_DMAREQSEL_UART1_0),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_UART1_0),
         },
         [DMACH_UART2] = {
                 .name           = "uart2",
                 .channels       = MAP(S3C2412_DMAREQSEL_UART2_0),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_UART2_0),
         },
         [DMACH_UART0_SRC2] = {
                 .name           = "uart0",
                 .channels       = MAP(S3C2412_DMAREQSEL_UART0_1),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_UART0_1),
         },
         [DMACH_UART1_SRC2] = {
                 .name           = "uart1",
                 .channels       = MAP(S3C2412_DMAREQSEL_UART1_1),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_UART1_1),
         },
         [DMACH_UART2_SRC2] = {
                 .name           = "uart2",
                 .channels       = MAP(S3C2412_DMAREQSEL_UART2_1),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_UART2_1),
         },
         [DMACH_TIMER] = {
                 .name           = "timer",
                 .channels       = MAP(S3C2412_DMAREQSEL_TIMER),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_TIMER),
         },
         [DMACH_I2S_IN] = {
                 .name           = "i2s-sdi",
                 .channels       = MAP(S3C2412_DMAREQSEL_I2SRX),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_I2SRX),
         },
         [DMACH_I2S_OUT] = {
                 .name           = "i2s-sdo",
                 .channels       = MAP(S3C2412_DMAREQSEL_I2STX),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_I2STX),
         },
         [DMACH_USB_EP1] = {
                 .name           = "usb-ep1",
                 .channels       = MAP(S3C2412_DMAREQSEL_USBEP1),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_USBEP1),
         },
         [DMACH_USB_EP2] = {
                 .name           = "usb-ep2",
                 .channels       = MAP(S3C2412_DMAREQSEL_USBEP2),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_USBEP2),
         },
         [DMACH_USB_EP3] = {
                 .name           = "usb-ep3",
                 .channels       = MAP(S3C2412_DMAREQSEL_USBEP3),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_USBEP3),
         },
         [DMACH_USB_EP4] = {
                 .name           = "usb-ep4",
                 .channels       = MAP(S3C2412_DMAREQSEL_USBEP4),
-                .channels_rx    = MAP(S3C2412_DMAREQSEL_USBEP4),
         },
 };
 
-static void s3c2412_dma_direction(struct s3c2410_dma_chan *chan,
-                                  struct s3c24xx_dma_map *map,
-                                  enum dma_data_direction dir)
-{
-        unsigned long chsel;
-
-        if (dir == DMA_FROM_DEVICE)
-                chsel = map->channels_rx[0];
-        else
-                chsel = map->channels[0];
-
-        chsel &= ~DMA_CH_VALID;
-        chsel |= S3C2412_DMAREQSEL_HW;
-
-        writel(chsel, chan->regs + S3C2412_DMA_DMAREQSEL);
-}
-
 static void s3c2412_dma_select(struct s3c2410_dma_chan *chan,
                                struct s3c24xx_dma_map *map)
 {
-        s3c2412_dma_direction(chan, map, chan->source);
+        unsigned long chsel = map->channels[0] & (~DMA_CH_VALID);
+        writel(chsel | S3C2412_DMAREQSEL_HW,
+               chan->regs + S3C2412_DMA_DMAREQSEL);
 }
 
 static struct s3c24xx_dma_selection __initdata s3c2412_dma_sel = {
         .select         = s3c2412_dma_select,
-        .direction      = s3c2412_dma_direction,
         .dcon_mask      = 0,
         .map            = s3c2412_dma_mappings,
         .map_size       = ARRAY_SIZE(s3c2412_dma_mappings),