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
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;
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)
{