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Limit the speed to the bus frequency.

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Sponsored by:	ABT Systems Ltd
This commit is contained in:
Andrew Turner 2015-08-27 16:24:30 +00:00
parent 488d593a0c
commit fd59e3a9d8
1 changed files with 1 additions and 1 deletions
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2
sys/dev/mmc/host/dwmmc.c
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@ -651,7 +651,7 @@ dwmmc_attach(device_t dev)
WRITE4(sc, SDMMC_CTRL, SDMMC_CTRL_INT_ENABLE);
sc->host.f_min = 400000;
sc->host.f_max = 200000000;
sc->host.f_max = min(200000000, sc->bus_hz);
sc->host.host_ocr = MMC_OCR_320_330 | MMC_OCR_330_340;
sc->host.caps = MMC_CAP_4_BIT_DATA;