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authorArnd Bergmann <arnd@arndb.de>2015-01-24 05:09:54 +0100
committerKukjin Kim <kgene@kernel.org>2015-01-24 05:09:54 +0100
commitd50b9e2e788dce9b120b5ac1140f0cdd1bf905eb (patch)
treeb34a10958fc998b0718f720289d3e40049584b58 /arch/arm/mach-s3c24xx/dma-s3c2440.c
parentARM: EXYNOS: Remove i2c sys configuration related code (diff)
downloadlinux-d50b9e2e788dce9b120b5ac1140f0cdd1bf905eb.tar.xz
linux-d50b9e2e788dce9b120b5ac1140f0cdd1bf905eb.zip
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>
Diffstat (limited to 'arch/arm/mach-s3c24xx/dma-s3c2440.c')
-rw-r--r--arch/arm/mach-s3c24xx/dma-s3c2440.c193
1 files changed, 0 insertions, 193 deletions
diff --git a/arch/arm/mach-s3c24xx/dma-s3c2440.c b/arch/arm/mach-s3c24xx/dma-s3c2440.c
deleted file mode 100644
index 2f8e8a3017df..000000000000
--- a/arch/arm/mach-s3c24xx/dma-s3c2440.c
+++ /dev/null
@@ -1,193 +0,0 @@
-/* linux/arch/arm/mach-s3c2440/dma.c
- *
- * Copyright (c) 2006 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
- *
- * S3C2440 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 <mach/map.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>
-
-static struct s3c24xx_dma_map __initdata s3c2440_dma_mappings[] = {
- [DMACH_XD0] = {
- .name = "xdreq0",
- .channels[0] = S3C2410_DCON_CH0_XDREQ0 | DMA_CH_VALID,
- },
- [DMACH_XD1] = {
- .name = "xdreq1",
- .channels[1] = S3C2410_DCON_CH1_XDREQ1 | DMA_CH_VALID,
- },
- [DMACH_SDI] = {
- .name = "sdi",
- .channels[0] = S3C2410_DCON_CH0_SDI | DMA_CH_VALID,
- .channels[1] = S3C2440_DCON_CH1_SDI | DMA_CH_VALID,
- .channels[2] = S3C2410_DCON_CH2_SDI | DMA_CH_VALID,
- .channels[3] = S3C2410_DCON_CH3_SDI | DMA_CH_VALID,
- },
- [DMACH_SPI0] = {
- .name = "spi0",
- .channels[1] = S3C2410_DCON_CH1_SPI | DMA_CH_VALID,
- },
- [DMACH_SPI1] = {
- .name = "spi1",
- .channels[3] = S3C2410_DCON_CH3_SPI | DMA_CH_VALID,
- },
- [DMACH_UART0] = {
- .name = "uart0",
- .channels[0] = S3C2410_DCON_CH0_UART0 | DMA_CH_VALID,
- },
- [DMACH_UART1] = {
- .name = "uart1",
- .channels[1] = S3C2410_DCON_CH1_UART1 | DMA_CH_VALID,
- },
- [DMACH_UART2] = {
- .name = "uart2",
- .channels[3] = S3C2410_DCON_CH3_UART2 | DMA_CH_VALID,
- },
- [DMACH_TIMER] = {
- .name = "timer",
- .channels[0] = S3C2410_DCON_CH0_TIMER | DMA_CH_VALID,
- .channels[2] = S3C2410_DCON_CH2_TIMER | DMA_CH_VALID,
- .channels[3] = S3C2410_DCON_CH3_TIMER | DMA_CH_VALID,
- },
- [DMACH_I2S_IN] = {
- .name = "i2s-sdi",
- .channels[1] = S3C2410_DCON_CH1_I2SSDI | DMA_CH_VALID,
- .channels[2] = S3C2410_DCON_CH2_I2SSDI | DMA_CH_VALID,
- },
- [DMACH_I2S_OUT] = {
- .name = "i2s-sdo",
- .channels[0] = S3C2440_DCON_CH0_I2SSDO | DMA_CH_VALID,
- .channels[2] = S3C2410_DCON_CH2_I2SSDO | DMA_CH_VALID,
- },
- [DMACH_PCM_IN] = {
- .name = "pcm-in",
- .channels[0] = S3C2440_DCON_CH0_PCMIN | DMA_CH_VALID,
- .channels[2] = S3C2440_DCON_CH2_PCMIN | DMA_CH_VALID,
- },
- [DMACH_PCM_OUT] = {
- .name = "pcm-out",
- .channels[1] = S3C2440_DCON_CH1_PCMOUT | DMA_CH_VALID,
- .channels[3] = S3C2440_DCON_CH3_PCMOUT | DMA_CH_VALID,
- },
- [DMACH_MIC_IN] = {
- .name = "mic-in",
- .channels[2] = S3C2440_DCON_CH2_MICIN | DMA_CH_VALID,
- .channels[3] = S3C2440_DCON_CH3_MICIN | DMA_CH_VALID,
- },
- [DMACH_USB_EP1] = {
- .name = "usb-ep1",
- .channels[0] = S3C2410_DCON_CH0_USBEP1 | DMA_CH_VALID,
- },
- [DMACH_USB_EP2] = {
- .name = "usb-ep2",
- .channels[1] = S3C2410_DCON_CH1_USBEP2 | DMA_CH_VALID,
- },
- [DMACH_USB_EP3] = {
- .name = "usb-ep3",
- .channels[2] = S3C2410_DCON_CH2_USBEP3 | DMA_CH_VALID,
- },
- [DMACH_USB_EP4] = {
- .name = "usb-ep4",
- .channels[3] = S3C2410_DCON_CH3_USBEP4 | DMA_CH_VALID,
- },
-};
-
-static void s3c2440_dma_select(struct s3c2410_dma_chan *chan,
- struct s3c24xx_dma_map *map)
-{
- chan->dcon = map->channels[chan->number] & ~DMA_CH_VALID;
-}
-
-static struct s3c24xx_dma_selection __initdata s3c2440_dma_sel = {
- .select = s3c2440_dma_select,
- .dcon_mask = 7 << 24,
- .map = s3c2440_dma_mappings,
- .map_size = ARRAY_SIZE(s3c2440_dma_mappings),
-};
-
-static struct s3c24xx_dma_order __initdata s3c2440_dma_order = {
- .channels = {
- [DMACH_SDI] = {
- .list = {
- [0] = 3 | DMA_CH_VALID,
- [1] = 2 | DMA_CH_VALID,
- [2] = 1 | DMA_CH_VALID,
- [3] = 0 | DMA_CH_VALID,
- },
- },
- [DMACH_I2S_IN] = {
- .list = {
- [0] = 1 | DMA_CH_VALID,
- [1] = 2 | DMA_CH_VALID,
- },
- },
- [DMACH_I2S_OUT] = {
- .list = {
- [0] = 2 | DMA_CH_VALID,
- [1] = 1 | DMA_CH_VALID,
- },
- },
- [DMACH_PCM_IN] = {
- .list = {
- [0] = 2 | DMA_CH_VALID,
- [1] = 1 | DMA_CH_VALID,
- },
- },
- [DMACH_PCM_OUT] = {
- .list = {
- [0] = 1 | DMA_CH_VALID,
- [1] = 3 | DMA_CH_VALID,
- },
- },
- [DMACH_MIC_IN] = {
- .list = {
- [0] = 3 | DMA_CH_VALID,
- [1] = 2 | DMA_CH_VALID,
- },
- },
- },
-};
-
-static int __init s3c2440_dma_add(struct device *dev,
- struct subsys_interface *sif)
-{
- s3c2410_dma_init();
- s3c24xx_dma_order_set(&s3c2440_dma_order);
- return s3c24xx_dma_init_map(&s3c2440_dma_sel);
-}
-
-static struct subsys_interface s3c2440_dma_interface = {
- .name = "s3c2440_dma",
- .subsys = &s3c2440_subsys,
- .add_dev = s3c2440_dma_add,
-};
-
-static int __init s3c2440_dma_init(void)
-{
- return subsys_interface_register(&s3c2440_dma_interface);
-}
-
-arch_initcall(s3c2440_dma_init);
-