mmc: tmio, renesas-sdhi: add dataend to DMA ops

Add dataend to DMA ops to allow DMAC implementation dependent
handling of DMA data end.

Also implement the operation for SDHI.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/renesas_sdhi_sys_dmac.c b/drivers/mmc/host/renesas_sdhi_sys_dmac.c
index 642a0dc..a125378 100644 (file)
--- a/drivers/mmc/host/renesas_sdhi_sys_dmac.c
+++ b/drivers/mmc/host/renesas_sdhi_sys_dmac.c
@@ -126,6 +126,11 @@ static void renesas_sdhi_sys_dmac_abort_dma(struct tmio_mmc_host *host)
        renesas_sdhi_sys_dmac_enable_dma(host, true);
 }
 
+static void renesas_sdhi_sys_dmac_dataend_dma(struct tmio_mmc_host *host)
+{
+       complete(&host->dma_dataend);
+}
+
 static void renesas_sdhi_sys_dmac_dma_callback(void *arg)
 {
        struct tmio_mmc_host *host = arg;
@@ -451,6 +456,7 @@ static const struct tmio_mmc_dma_ops renesas_sdhi_sys_dmac_dma_ops = {
        .request = renesas_sdhi_sys_dmac_request_dma,
        .release = renesas_sdhi_sys_dmac_release_dma,
        .abort = renesas_sdhi_sys_dmac_abort_dma,
+       .dataend = renesas_sdhi_sys_dmac_dataend_dma,
 };
 
 static int renesas_sdhi_sys_dmac_probe(struct platform_device *pdev)

diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index 6ad6704..f2d747b 100644 (file)
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -122,6 +122,7 @@ struct tmio_mmc_dma_ops {
                        struct tmio_mmc_data *pdata);
        void (*release)(struct tmio_mmc_host *host);
        void (*abort)(struct tmio_mmc_host *host);
+       void (*dataend)(struct tmio_mmc_host *host);
 };
 
 struct tmio_mmc_host {

diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
index 56478fd..db77973 100644 (file)
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -87,6 +87,12 @@ static inline void tmio_mmc_abort_dma(struct tmio_mmc_host *host)
                host->dma_ops->abort(host);
 }
 
+static inline void tmio_mmc_dataend_dma(struct tmio_mmc_host *host)
+{
+       if (host->dma_ops)
+               host->dma_ops->dataend(host);
+}
+
 void tmio_mmc_enable_mmc_irqs(struct tmio_mmc_host *host, u32 i)
 {
        host->sdcard_irq_mask &= ~(i & TMIO_MASK_IRQ);
@@ -605,11 +611,11 @@ static void tmio_mmc_data_irq(struct tmio_mmc_host *host, unsigned int stat)
 
                if (done) {
                        tmio_mmc_disable_mmc_irqs(host, TMIO_STAT_DATAEND);
-                       complete(&host->dma_dataend);
+                       tmio_mmc_dataend_dma(host);
                }
        } else if (host->chan_rx && (data->flags & MMC_DATA_READ) && !host->force_pio) {
                tmio_mmc_disable_mmc_irqs(host, TMIO_STAT_DATAEND);
-               complete(&host->dma_dataend);
+               tmio_mmc_dataend_dma(host);
        } else {
                tmio_mmc_do_data_irq(host);
                tmio_mmc_disable_mmc_irqs(host, TMIO_MASK_READOP | TMIO_MASK_WRITEOP);