diff options
Diffstat (limited to 'drivers/mmc/host/mmci_stm32_sdmmc.c')
| -rw-r--r-- | drivers/mmc/host/mmci_stm32_sdmmc.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/mmc/host/mmci_stm32_sdmmc.c b/drivers/mmc/host/mmci_stm32_sdmmc.c index cfbfc6f1048f..8e83ae6920ae 100644 --- a/drivers/mmc/host/mmci_stm32_sdmmc.c +++ b/drivers/mmc/host/mmci_stm32_sdmmc.c @@ -265,10 +265,28 @@ static void mmci_sdmmc_set_pwrreg(struct mmci_host *host, unsigned int pwr) } } +static u32 sdmmc_get_dctrl_cfg(struct mmci_host *host) +{ + u32 datactrl; + + datactrl = mmci_dctrl_blksz(host); + + if (host->mmc->card && mmc_card_sdio(host->mmc->card) && + host->data->blocks == 1) + datactrl |= MCI_DPSM_STM32_MODE_SDIO; + else if (host->data->stop && !host->mrq->sbc) + datactrl |= MCI_DPSM_STM32_MODE_BLOCK_STOP; + else + datactrl |= MCI_DPSM_STM32_MODE_BLOCK; + + return datactrl; +} + static struct mmci_host_ops sdmmc_variant_ops = { .validate_data = sdmmc_idma_validate_data, .prep_data = sdmmc_idma_prep_data, .unprep_data = sdmmc_idma_unprep_data, + .get_datactrl_cfg = sdmmc_get_dctrl_cfg, .dma_setup = sdmmc_idma_setup, .dma_start = sdmmc_idma_start, .dma_finalize = sdmmc_idma_finalize, |