From: Ludovic Barre <ludovic.barre@xxxxxx> This patch merges the prepare data functions. This allows to define a single access to prepare data service. This prepares integration for mmci host ops. Signed-off-by: Ludovic Barre <ludovic.barre@xxxxxx> --- drivers/mmc/host/mmci.c | 22 +++++++++------------- 1 file changed, 9 insertions(+), 13 deletions(-) diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 5646c2e6..e4d80f1 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -651,11 +651,16 @@ static int __mmci_dma_prep_data(struct mmci_host *host, struct mmc_data *data, return -ENOMEM; } -static inline int mmci_dma_prep_data(struct mmci_host *host, - struct mmc_data *data) +static inline int mmci_dma_prepare_data(struct mmci_host *host, + struct mmc_data *data, + bool next) { struct dmaengine_priv *dmae = host->dma_priv; + struct dmaengine_next *nd = &dmae->next_data; + if (next) + return __mmci_dma_prep_data(host, data, &nd->dma_chan, + &nd->dma_desc); /* Check if next job is already prepared. */ if (dmae->dma_current && dmae->dma_desc_current) return 0; @@ -665,22 +670,13 @@ static inline int mmci_dma_prep_data(struct mmci_host *host, &dmae->dma_desc_current); } -static inline int mmci_dma_prep_next(struct mmci_host *host, - struct mmc_data *data) -{ - struct dmaengine_priv *dmae = host->dma_priv; - struct dmaengine_next *nd = &dmae->next_data; - - return __mmci_dma_prep_data(host, data, &nd->dma_chan, &nd->dma_desc); -} - static int mmci_dma_start_data(struct mmci_host *host, unsigned int datactrl) { struct dmaengine_priv *dmae = host->dma_priv; struct mmc_data *data = host->data; int ret; - ret = mmci_dma_prep_data(host, host->data); + ret = mmci_dma_prepare_data(host, host->data, false); if (ret) return ret; @@ -737,7 +733,7 @@ static void mmci_pre_request(struct mmc_host *mmc, struct mmc_request *mrq) if (mmci_validate_data(host, data)) return; - if (!mmci_dma_prep_next(host, data)) + if (!mmci_dma_prepare_data(host, data, true)) data->host_cookie = ++host->next_cookie < 0 ? 1 : host->next_cookie; } -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html