Add complete to DMA ops to allow DMAC implementation dependent
handling of DMA completion.

Also implement the operation for SDHI.

Signed-off-by: Simon Horman <[email protected]>
---
v2
* Implement operation for SDHI to avoid regression
---
 drivers/mmc/host/renesas_sdhi_sys_dmac.c |  6 ++++++
 drivers/mmc/host/tmio_mmc.h              |  1 +
 drivers/mmc/host/tmio_mmc_core.c         | 10 ++++++++--
 3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/renesas_sdhi_sys_dmac.c 
b/drivers/mmc/host/renesas_sdhi_sys_dmac.c
index 202cf4346fdf..7a85610525b0 100644
--- a/drivers/mmc/host/renesas_sdhi_sys_dmac.c
+++ b/drivers/mmc/host/renesas_sdhi_sys_dmac.c
@@ -127,6 +127,11 @@ 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_complete_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;
@@ -448,6 +453,7 @@ 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,
+       .complete = renesas_sdhi_sys_dmac_complete_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 768c8abaedda..89f0e264f02f 100644
--- 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 (*complete)(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 7cb8d3510396..b65111cc8a17 100644
--- 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_complete_dma(struct tmio_mmc_host *host)
+{
+       if (host->dma_ops)
+               host->dma_ops->complete(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_complete_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_complete_dma(host);
        } else {
                tmio_mmc_do_data_irq(host);
                tmio_mmc_disable_mmc_irqs(host, TMIO_MASK_READOP | 
TMIO_MASK_WRITEOP);
-- 
2.1.4

Reply via email to