[PATCH/RFC 3/5] mmc: tmio: add complete to DMA ops

Simon Horman
2017-06-08T13:09:26Z

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

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
drivers/mmc/host/tmio_mmc.h | 1 +
drivers/mmc/host/tmio_mmc_core.c | 10 ++++++++--
2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index 9c94b6eb9b49..82725f9de359 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -121,6 +121,7 @@ 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 0e76e099dc7f..26fe9bb64849 100644
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -86,6 +86,12 @@ 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);
@@ -604,11 +610,11 @@ 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