ARM: SAMSUNG: remove unused DMA infrastructure

Everything uses dmaengine now, so there is no reason to
keep this around any longer. Thanks to everyone who was involved
in moving the users over to use the dmaengine APIs.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>

1 files changed, 0 insertions, 179 deletions

diff --git a/arch/arm/mach-s3c24xx/dma-s3c2443.c b/arch/arm/mach-s3c24xx/dma-s3c2443.c
deleted file mode 100644
index f4096ec0700a..000000000000
--- a/arch/arm/mach-s3c24xx/dma-s3c2443.c
+++ /dev/null
@@ -1,179 +0,0 @@
-/* linux/arch/arm/mach-s3c2443/dma.c
- *
- * Copyright (c) 2007 Simtec Electronics
- *	Ben Dooks <ben@simtec.co.uk>
- *
- * S3C2443 DMA selection
- *
- * http://armlinux.simtec.co.uk/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/serial_core.h>
-#include <linux/serial_s3c.h>
-#include <linux/io.h>
-
-#include <mach/dma.h>
-
-#include <plat/dma-s3c24xx.h>
-#include <plat/cpu.h>
-
-#include <mach/regs-gpio.h>
-#include <plat/regs-dma.h>
-#include <mach/regs-lcd.h>
-#include <plat/regs-spi.h>
-
-#define MAP(x) { \
-		[0]	= (x) | DMA_CH_VALID,	\
-		[1]	= (x) | DMA_CH_VALID,	\
-		[2]	= (x) | DMA_CH_VALID,	\
-		[3]	= (x) | DMA_CH_VALID,	\
-		[4]	= (x) | DMA_CH_VALID,	\
-		[5]     = (x) | DMA_CH_VALID,	\
-	}
-
-static struct s3c24xx_dma_map __initdata s3c2443_dma_mappings[] = {
-	[DMACH_XD0] = {
-		.name		= "xdreq0",
-		.channels	= MAP(S3C2443_DMAREQSEL_XDREQ0),
-	},
-	[DMACH_XD1] = {
-		.name		= "xdreq1",
-		.channels	= MAP(S3C2443_DMAREQSEL_XDREQ1),
-	},
-	[DMACH_SDI] = { /* only on S3C2443 */
-		.name		= "sdi",
-		.channels	= MAP(S3C2443_DMAREQSEL_SDI),
-	},
-	[DMACH_SPI0_RX] = {
-		.name		= "spi0-rx",
-		.channels	= MAP(S3C2443_DMAREQSEL_SPI0RX),
-	},
-	[DMACH_SPI0_TX] = {
-		.name		= "spi0-tx",
-		.channels	= MAP(S3C2443_DMAREQSEL_SPI0TX),
-	},
-	[DMACH_SPI1_RX] = { /* only on S3C2443/S3C2450 */
-		.name		= "spi1-rx",
-		.channels	= MAP(S3C2443_DMAREQSEL_SPI1RX),
-	},
-	[DMACH_SPI1_TX] = { /* only on S3C2443/S3C2450 */
-		.name		= "spi1-tx",
-		.channels	= MAP(S3C2443_DMAREQSEL_SPI1TX),
-	},
-	[DMACH_UART0] = {
-		.name		= "uart0",
-		.channels	= MAP(S3C2443_DMAREQSEL_UART0_0),
-	},
-	[DMACH_UART1] = {
-		.name		= "uart1",
-		.channels	= MAP(S3C2443_DMAREQSEL_UART1_0),
-	},
-	[DMACH_UART2] = {
-		.name		= "uart2",
-		.channels	= MAP(S3C2443_DMAREQSEL_UART2_0),
-	},
-	[DMACH_UART3] = {
-		.name		= "uart3",
-		.channels	= MAP(S3C2443_DMAREQSEL_UART3_0),
-	},
-	[DMACH_UART0_SRC2] = {
-		.name		= "uart0",
-		.channels	= MAP(S3C2443_DMAREQSEL_UART0_1),
-	},
-	[DMACH_UART1_SRC2] = {
-		.name		= "uart1",
-		.channels	= MAP(S3C2443_DMAREQSEL_UART1_1),
-	},
-	[DMACH_UART2_SRC2] = {
-		.name		= "uart2",
-		.channels	= MAP(S3C2443_DMAREQSEL_UART2_1),
-	},
-	[DMACH_UART3_SRC2] = {
-		.name		= "uart3",
-		.channels	= MAP(S3C2443_DMAREQSEL_UART3_1),
-	},
-	[DMACH_TIMER] = {
-		.name		= "timer",
-		.channels	= MAP(S3C2443_DMAREQSEL_TIMER),
-	},
-	[DMACH_I2S_IN] = {
-		.name		= "i2s-sdi",
-		.channels	= MAP(S3C2443_DMAREQSEL_I2SRX),
-	},
-	[DMACH_I2S_OUT] = {
-		.name		= "i2s-sdo",
-		.channels	= MAP(S3C2443_DMAREQSEL_I2STX),
-	},
-	[DMACH_PCM_IN] = {
-		.name		= "pcm-in",
-		.channels	= MAP(S3C2443_DMAREQSEL_PCMIN),
-	},
-	[DMACH_PCM_OUT] = {
-		.name		= "pcm-out",
-		.channels	= MAP(S3C2443_DMAREQSEL_PCMOUT),
-	},
-	[DMACH_MIC_IN] = {
-		.name		= "mic-in",
-		.channels	= MAP(S3C2443_DMAREQSEL_MICIN),
-	},
-};
-
-static void s3c2443_dma_select(struct s3c2410_dma_chan *chan,
-			       struct s3c24xx_dma_map *map)
-{
-	unsigned long chsel = map->channels[0] & (~DMA_CH_VALID);
-	writel(chsel | S3C2443_DMAREQSEL_HW,
-	       chan->regs + S3C2443_DMA_DMAREQSEL);
-}
-
-static struct s3c24xx_dma_selection __initdata s3c2443_dma_sel = {
-	.select		= s3c2443_dma_select,
-	.dcon_mask	= 0,
-	.map		= s3c2443_dma_mappings,
-	.map_size	= ARRAY_SIZE(s3c2443_dma_mappings),
-};
-
-static int __init s3c2443_dma_add(struct device *dev,
-				  struct subsys_interface *sif)
-{
-	s3c24xx_dma_init(6, IRQ_S3C2443_DMA0, 0x100);
-	return s3c24xx_dma_init_map(&s3c2443_dma_sel);
-}
-
-#ifdef CONFIG_CPU_S3C2416
-/* S3C2416 DMA contains the same selection table as the S3C2443 */
-static struct subsys_interface s3c2416_dma_interface = {
-	.name		= "s3c2416_dma",
-	.subsys		= &s3c2416_subsys,
-	.add_dev	= s3c2443_dma_add,
-};
-
-static int __init s3c2416_dma_init(void)
-{
-	return subsys_interface_register(&s3c2416_dma_interface);
-}
-
-arch_initcall(s3c2416_dma_init);
-#endif
-
-#ifdef CONFIG_CPU_S3C2443
-static struct subsys_interface s3c2443_dma_interface = {
-	.name		= "s3c2443_dma",
-	.subsys		= &s3c2443_subsys,
-	.add_dev	= s3c2443_dma_add,
-};
-
-static int __init s3c2443_dma_init(void)
-{
-	return subsys_interface_register(&s3c2443_dma_interface);
-}
-
-arch_initcall(s3c2443_dma_init);
-#endif