[2/3] dmaengine: s3c24xx-dma: add support for the s3c2410 type of controller

Commit Message

Heiko Stuebner Oct. 10, 2013, 10:55 p.m. UTC

The earliest variants of the dma controller did not contain support for
controlling clocks.

Signed-off-by: Heiko Stuebner <[e-mail]>
---
 drivers/dma/s3c24xx-dma.c |   10 ++++++++++
 1 file changed, 10 insertions(+)

Patch

diff --git a/drivers/dma/s3c24xx-dma.c b/drivers/dma/s3c24xx-dma.c
index 56c9253..4cb1279 100644
--- a/drivers/dma/s3c24xx-dma.c
+++ b/drivers/dma/s3c24xx-dma.c
@@ -1078,6 +1078,13 @@  static void s3c24xx_dma_free_virtual_channels(struct dma_device *dmadev)
 		list_del(&chan->vc.chan.device_node);
 }
 
+/* s3c2410, s3c2440 and s3c2442 have a 0x40 stride without separate clocks */
+static struct soc_data soc_s3c2410 = {
+	.stride = 0x40,
+	.has_reqsel = false,
+	.has_clocks = false,
+};
+
 /* s3c2412 and s3c2413 have a 0x40 stride and dmareqsel mechanism */
 static struct soc_data soc_s3c2412 = {
 	.stride = 0x40,
@@ -1094,6 +1101,9 @@  static struct soc_data soc_s3c2443 = {
 
 static struct platform_device_id s3c24xx_dma_driver_ids[] = {
 	{
+		.name		= "s3c2410-dma",
+		.driver_data	= (kernel_ulong_t)&soc_s3c2410,
+	}, {
 		.name		= "s3c2412-dma",
 		.driver_data	= (kernel_ulong_t)&soc_s3c2412,
 	}, {