Re: [PATCH 1/2] mmc: core: enable CMD19 tuning for DDR50 mode

2015-12-12 Thread Carlo Caione
On Wed, Sep 23, 2015 at 9:25 PM, Ulf Hansson wrote: > [...] > >>> >>> Also, I was giving this a second thought... >>> >>> What happens with the SD 3.0 card when it *doesn't* support CMD19. >>> Will it still be functional afterwards or will it move from "transfer >>> state" to another not known sta

1217:8520 [Dell Latitude E7450] O2 Micro, SD/MMC Card Reader doesn't work

2015-12-12 Thread Alex Ballas
Hello, I have a Dell Latitude E7450 with a O2 Micro, SD/MMC Card Reader [1217:8520] card reader. When I insert my Sandisk ultra 64GB microSD (with a SD card adapter) I get the following errors. Dmesg output after I insert the SD card: [ 306.054203] sdhci: Timeout waiting for Buffer Read Ready i