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path: root/drivers/mmc/host/mmci_stm32_sdmmc.c
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Diffstat (limited to 'drivers/mmc/host/mmci_stm32_sdmmc.c')
-rw-r--r--drivers/mmc/host/mmci_stm32_sdmmc.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/mmc/host/mmci_stm32_sdmmc.c b/drivers/mmc/host/mmci_stm32_sdmmc.c
index 1bc775b9e714..29634d1dc289 100644
--- a/drivers/mmc/host/mmci_stm32_sdmmc.c
+++ b/drivers/mmc/host/mmci_stm32_sdmmc.c
@@ -361,6 +361,19 @@ static u32 sdmmc_get_dctrl_cfg(struct mmci_host *host)
datactrl = mmci_dctrl_blksz(host);
+ if (host->hw_revision >= 3) {
+ u32 thr = 0;
+
+ if (host->mmc->ios.timing == MMC_TIMING_UHS_SDR104 ||
+ host->mmc->ios.timing == MMC_TIMING_MMC_HS200) {
+ thr = ffs(min_t(unsigned int, host->data->blksz,
+ host->variant->fifosize));
+ thr = min_t(u32, thr, MMCI_STM32_THR_MASK);
+ }
+
+ writel_relaxed(thr, host->base + MMCI_STM32_FIFOTHRR);
+ }
+
if (host->mmc->card && mmc_card_sdio(host->mmc->card) &&
host->data->blocks == 1)
datactrl |= MCI_DPSM_STM32_MODE_SDIO;