From: Ludovic Barre <ludovic.barre@xxxxxx> This patch adds get_datactrl_cfg callback in mmci_host_ops to allow to get datactrl configuration specific at variant. Common helper function is defined and could be call by variant. Signed-off-by: Ludovic Barre <ludovic.barre@xxxxxx> --- drivers/mmc/host/mmci.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index 6bde28c..35c91d0 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -362,6 +362,7 @@ struct mmci_host_ops { bool next); void (*unprep_data)(struct mmci_host *host, struct mmc_data *data, int err); + u32 (*get_datactrl_cfg)(struct mmci_host *host); void (*get_next_data)(struct mmci_host *host, struct mmc_data *data); int (*dma_setup)(struct mmci_host *host); void (*dma_release)(struct mmci_host *host); @@ -429,6 +430,11 @@ struct mmci_host { void mmci_write_clkreg(struct mmci_host *host, u32 clk); void mmci_write_pwrreg(struct mmci_host *host, u32 pwr); +static inline u32 mmci_dctrl_blksz(struct mmci_host *host) +{ + return (ffs(host->data->blksz) - 1) << 4; +} + #ifdef CONFIG_DMA_ENGINE int mmci_dmae_prep_data(struct mmci_host *host, struct mmc_data *data, bool next); -- 2.7.4