On 06/23/2014 11:44 PM, Alexandre Courbot wrote: > On 06/24/2014 04:01 AM, Stephen Warren wrote: >> On 06/23/2014 01:32 AM, Alexandre Courbot wrote: >>> Input had been disabled by mistake on these pins, leading to issues with >>> SDIO devices like the Wifi module not being probed or random errors >>> occuring on the SD card. >> >> I thought the host controller always drove the clock, so there should be >> no need for the pin's input path to be enabled. Perhaps it depends on >> the transfer mode (e.g. UHS)? > > That's what I thought too, so I went against what was done downstream > and disabled input mode. Eventually noticed various issues with MMC > devices, reverted to the downstream settings and noticed my problems > were solved by this single change. Hmm. That's odd. Can you talk to one of the HW engineers behind the SDHCI controller and get a definitive answer. Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html