On Tue, Jun 30, 2015 at 10:13 AM, Paul Mansfield <paul@xxxxxxxxxxxxxxx> wrote: > > Hello, > > I am trying to get a baytrail-t based convertible tablet working with > linux, using kernel 4.1 built for 32 bit Debian Jessie. I've made > good progress, making my Toshiba Click Mini work > sufficiently well to be useable with a USB wifi adaptor (the driver > for the integrated SDIO wifi makes it unstable). > > A major sticking point is that the internal microSDHC slot is always > read only; the device node /dev/mmcblk1 is read-write but when I > try and mount it the kernel complains it's not writable. > > Meanwhile the tablet has a dock which has an full sized SDHC slot, > and that works perfectly. I can put cards in the internal and dock > card slots and they come up as separate devices, so they're > definitely different devices on different buses. > > Is there some debug I can enable to let me find out why the driver > thinks that internal card slot is read only? > > Is there some way to override the mmc driver read-only/write-protect > function to force the driver to allow writing? > > Needless to say the card works fine in Windows 8.1. > Are the reads working properly ? Can you enable MMC_DEBUG in the kernel config to collect more information ? -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html