mmc: sh_mmcif: make DMA support by the driver unconditional

Simplify the driver by removing the possibility to build it without the DMA
support and remove the respective Kconfig parameter.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

drivers/mmc/host/Kconfig

@@ -466,12 +466,6 @@ config MMC_SH_MMCIF
 
 	  This driver supports MMCIF in sh7724/sh7757/sh7372.
 
-config SH_MMCIF_DMA
-	bool "Use DMA for MMCIF"
-	depends on MMC_SH_MMCIF
-	help
-	  Use SH dma-engine driver for data transfer
-
 config MMC_JZ4740
 	tristate "JZ4740 SD/Multimedia Card Interface support"
 	depends on MACH_JZ4740

drivers/mmc/host/sh_mmcif.c

@@ -184,7 +184,6 @@ static inline void sh_mmcif_bitclr(struct sh_mmcif_host *host,
 	writel(~val & readl(host->addr + reg), host->addr + reg);
 }
 
-#ifdef CONFIG_SH_MMCIF_DMA
 static void mmcif_dma_complete(void *arg)
 {
 	struct sh_mmcif_host *host = arg;
@@ -367,25 +366,6 @@ static void sh_mmcif_release_dma(struct sh_mmcif_host *host)
 
 	host->dma_sglen = 0;
 }
-#else
-static void sh_mmcif_start_dma_tx(struct sh_mmcif_host *host)
-{
-}
-
-static void sh_mmcif_start_dma_rx(struct sh_mmcif_host *host)
-{
-}
-
-static void sh_mmcif_request_dma(struct sh_mmcif_host *host,
-				 struct sh_mmcif_plat_data *pdata)
-{
-	/* host->chan_tx, host->chan_tx and host->dma_sglen are all zero */
-}
-
-static void sh_mmcif_release_dma(struct sh_mmcif_host *host)
-{
-}
-#endif
 
 static void sh_mmcif_clock_control(struct sh_mmcif_host *host, unsigned int clk)
 {