Looks ok to me but haven't tried it yet, I would be especially looking for e.g. mmc_request_done log, I would expect at least a mmc_command structure shown there there with Opcode 13 and some resp[0,1,2,3] values. If you see that than I'd say that is good. -----Original Message----- From: Dominik 'Rathann' Mierzejewski <dominik@xxxxxxxxxxxxxx> Sent: Dienstag, 4. April 2023 12:09 To: linux-mmc@xxxxxxxxxxxxxxx Subject: Re: mmc-utils: ioctl connection timed out with SD cards On Monday, 03 April 2023 at 22:11, Christian Löhle wrote: > >Hello, > >is the mmc tool from mmc-utils supposed to work with SD cards? > Not really no, but status get is pretty much the one thing that should > work, apart from register reads that don't issue anything. I see. I thought any /dev/mmcblk? device would be supported. The documentation doesn't make this clear. :) > I'm using RK3399 on SD too and it works okay for me, will try updating > tomorrow. > Could you show the debug prints to see the mmc command / responses? > Ideally for anything in mmc/core Will something like: # alias ddcmd='echo $* > /proc/dynamic_debug/control' # ddcmd 'module mmc_core +p' # ddcmd 'module rtsx_pci_sdmmc +p' # mmc status get /dev/mmcblk0 # dmesg | grep -E 'mmc_core|rtsx_pci_sdmmc' suffice? Regards, Dominik -- Fedora https://getfedora.org | RPM Fusion http://rpmfusion.org There should be a science of discontent. People need hard times and oppression to develop psychic muscles. -- from "Collected Sayings of Muad'Dib" by the Princess Irulan Hyperstone GmbH | Reichenaustr. 39a | 78467 Konstanz Managing Director: Dr. Jan Peter Berns. Commercial register of local courts: Freiburg HRB381782
