On 29/09/16 09:30, Westerberg, Mika wrote: > On Wed, Sep 28, 2016 at 05:50:00PM -0400, Giacomo Comes wrote: >> On Mon, Sep 26, 2016 at 12:52:11PM +0300, Westerberg, Mika wrote: >>> On Mon, Sep 26, 2016 at 11:57:04AM +0300, Jani Nikula wrote: >>>> On Wed, 21 Sep 2016, Giacomo Comes <comes@xxxxxxxx> wrote: >>>>> Hi, >>>>> I hope this is the appropriate place to ask what follows. >>>>> If not please point me to the right place. >>>>> >>>>> I have a couple of cerryview systems >>>>> (Acer Aspire R11 and Intel compute stick STK1AW32SC) on which >>>>> I run linux (openSUSE 42.1) with a 4.7 kernel. >>>>> >>>>> I have a problem though with the sd card reader: >>>>> in normal condition the kernel does not see the card reader. >>>>> The modules pinctrl-cherryview.ko and sdhci-pci.ko are both >>>>> loaded but the sd device is missing. >>>>> >>>>> Following the suggestion found here: >>>>> https://bugzilla.opensuse.org/show_bug.cgi?id=954532#c24 >>>>> I "fixed" the problem by adding the module pinctrl-cherryview >>>>> in the initrd. >>>>> >>>>> I was wondering if the necessity to put pinctrl-cherryview in >>>>> the initrd is due to a bug in the kernel driver or it is a distro >>>>> issue. >>>> >>>> Hi Giacomo, intel-gfx is about Intel *graphics*. We are mostly clueless >>>> about SD cards here. ;) >>>> >>>> Mika, Andy, could you point Giacomo to the right place please? >>> >>> If the SD-card card detection is implemented as a GPIO, the GPIO/pinctrl >>> driver needs to be there before the SD-card driver is able to detect a >>> card being inserted. >> >> Ok, then it is the distro that have to take care about that. >> For the time being I'll manually force pinctrl-cherryview in the initrd. >> However, while the Acer Aspire R11 sd card reader works, the >> one in the compute stick STK1AW32SC doesn't. >> Every time I insert a sd card I see this message in the journal: >> mmc1: error -84 whilst initialising SD card >> Tested with kernel 4.8rc7. >> Where can I get help about that? > > Please provide full dmesg. I've CC'd Adrian who knows lot about the > SC-card driver. > Also enabling CONFIG_MMC_DEBUG in the kernel config will give a lot more information. Have different SD cards been tried? Does it work if the SD card is already inserted at boot? _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
