On 29/09/16 18:37, Giacomo Comes wrote: > On Thu, Sep 29, 2016 at 09:46:40AM +0300, Adrian Hunter wrote: >> 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? > > The problem exists with different SD cards and also if it is already inserted at boot. > > I have enabled CONFIG_MMC_DEBUG in kernel 4.8rc8 and booted the compute stick. > There are a lot of messages about mmc0, that's the eMMC internal storage > which works. The sd card reader is mmc1. The sd card is inserted at time 10:20:13. > Please see the attached journal log. Thanks for the log. Do we know if anyone else if experiencing this problem? _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
