@@ -886,15 +886,11 @@ int mmci_dmae_prep_data(struct mmci_host *host,
int mmci_dmae_start(struct mmci_host *host, unsigned int *datactrl)
{
struct mmci_dmae_priv *dmae = host->dma_priv;
- struct mmc_data *data = host->data;
host->dma_in_progress = true;
dmaengine_submit(dmae->desc_current);
dma_async_issue_pending(dmae->cur);
- if (host->variant->qcom_dml)
- dml_start_xfer(host, data);
-
*datactrl |= MCI_DPSM_DMAENABLE;
return 0;
@@ -54,10 +54,15 @@
#define DML_OFFSET 0x800
-void dml_start_xfer(struct mmci_host *host, struct mmc_data *data)
+static int qcom_dma_start(struct mmci_host *host, unsigned int *datactrl)
{
u32 config;
void __iomem *base = host->base + DML_OFFSET;
+ struct mmc_data *data = host->data;
+ int ret = mmci_dmae_start(host, datactrl);
+
+ if (ret)
+ return ret;
if (data->flags & MMC_DATA_READ) {
/* Read operation: configure DML for producer operation */
@@ -96,6 +101,7 @@ void dml_start_xfer(struct mmci_host *host, struct mmc_data *data)
/* make sure the dml is configured before dma is triggered */
wmb();
+ return 0;
}
static int of_get_dml_pipe_index(struct device_node *np, const char *name)
@@ -188,7 +194,7 @@ static struct mmci_host_ops qcom_variant_ops = {
.get_next_data = mmci_dmae_get_next_data,
.dma_setup = qcom_dma_setup,
.dma_release = mmci_dmae_release,
- .dma_start = mmci_dmae_start,
+ .dma_start = qcom_dma_start,
.dma_finalize = mmci_dmae_finalize,
.dma_error = mmci_dmae_error,
};
@@ -17,14 +17,10 @@
#ifdef CONFIG_MMC_QCOM_DML
void qcom_variant_init(struct mmci_host *host);
-void dml_start_xfer(struct mmci_host *host, struct mmc_data *data);
#else
static inline void qcom_variant_init(struct mmci_host *host)
{
}
-static inline void dml_start_xfer(struct mmci_host *host, struct mmc_data *data)
-{
-}
#endif /* CONFIG_MMC_QCOM_DML */
#endif /* __MMC_QCOM_DML_H__ */
Having mmci_dmae_start() to invoke the shared function, dml_start_xfer(), explicitly for the qcom variant isn't very nice. Let's clean up this code by moving the qcom specific parts into the qcom ->dma_start() callback and then drop dml_start_xfer() altogether. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> --- drivers/mmc/host/mmci.c | 4 ---- drivers/mmc/host/mmci_qcom_dml.c | 10 ++++++++-- drivers/mmc/host/mmci_qcom_dml.h | 4 ---- 3 files changed, 8 insertions(+), 10 deletions(-)