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+rene...@verge.net.au>
---
v3
* s/complete/dataend/
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 642a0dcc8c5c..a125378417bf 100644
--- 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 6ad6704175dc..f2d747b036c7 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 (*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 95c93c227c65..77e7b56a9099 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_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);
@@ -606,11 +612,11 @@ 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);
--
2.1.4
