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| author | Ludovic Barre <ludovic.barre@st.com> | 2019-03-27 10:05:28 +0100 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2019-04-15 11:55:54 +0200 |
| commit | 0732ea75de09f0816f0604e46116ca111bc309d6 (patch) | |
| tree | 12bdc52c45f6b98969102f84a80434650faf6658 /drivers/mmc/host | |
| parent | mmc: alcor: enable DMA for writes (diff) | |
| download | linux-0732ea75de09f0816f0604e46116ca111bc309d6.tar.xz linux-0732ea75de09f0816f0604e46116ca111bc309d6.zip | |
mmc: mmci: add get_datactrl_cfg callback and helper functions
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@st.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host')
| -rw-r--r-- | drivers/mmc/host/mmci.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index 6bde28c9b302..35c91d0059b9 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); |