On Mon, Dec 14, 2015 at 9:46 AM, Yang, York <weijuny@xxxxxxxxxxxxxxxx> wrote: > Hi, Carlo > In 9faac7b95, tuning for DDR50 is enabled in mmc_sd_init_uhs_card(), so only SD card is affected. > This is based on the SD spec version 3.01. > mmc_sdio_init_uhs_card() is untouched. I don't know who add the code into mmc_sdio_init_uhs_card() and you may have a check on your side. Hi Yang, sorry for not being clear. Modifying mmc_sdio_init_uhs_card() was only a test I did to check whether that could fix the issue, but it didn't. Right now the situation is: - In the latest master with commit 9faac7b95 WiFi is broken on the ASUS X205TA (bcm43341) - Reverting 9faac7b95 makes it working fine again My conclusion is that issuing the CMD19 is basically breaking WiFi on this platform. -- Carlo Caione -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html