Re: mmc driver read/write detect problem with Baytrail tablet

2015-07-05 Thread Paul Mansfield
On 2 July 2015 at 13:40, Alan Cooper wrote: > On Wed, Jul 1, 2015 at 6:11 PM, Paul Mansfield > wrote: >> On 1 July 2015 at 14:24, Alan Cooper wrote: >>> There is a WRITE PROTECT signal from the card socket to the host >>> controller that may not be connected. You can try booting the kernel >>> w

Re: mmc driver read/write detect problem with Baytrail tablet

2015-07-05 Thread Paul Mansfield
Oh, and many thanks to Alan Cooper for the answer, the chances of me finding that out for myself in any reasonable period of time would have been very unlikely, saved me a lot of hair pulling! -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majord

Re: mmc driver read/write detect problem with Baytrail tablet

2015-07-01 Thread Paul Mansfield
On 1 July 2015 at 14:24, Alan Cooper wrote: > There is a WRITE PROTECT signal from the card socket to the host > controller that may not be connected. You can try booting the kernel > with "sdhci.debug_quirks=0x1". This tells the driver that the WP > signal is inverted. thanks. won't that cau

Re: mmc driver read/write detect problem with Baytrail tablet

2015-07-01 Thread Paul Mansfield
On 1 July 2015 at 14:24, Alan Cooper wrote: > There is a WRITE PROTECT signal from the card socket to the host > controller that may not be connected. You can try booting the kernel > with "sdhci.debug_quirks=0x1". This tells the driver that the WP > signal is inverted. thanks. won't that cau

Re: mmc driver read/write detect problem with Baytrail tablet

2015-07-01 Thread Paul Mansfield
On 30 June 2015 at 17:06, Venkatraman S wrote: >> Is there some way to override the mmc driver read-only/write-protect >> function to force the driver to allow writing? >> > Are the reads working properly ? > Can you enable MMC_DEBUG in the kernel config to collect more information ? reading work

Re: mmc driver read/write detect problem with Baytrail tablet

2015-07-01 Thread Paul Mansfield
On 30 June 2015 at 17:06, Venkatraman S wrote: >> Is there some way to override the mmc driver read-only/write-protect >> function to force the driver to allow writing? >> > Are the reads working properly ? > Can you enable MMC_DEBUG in the kernel config to collect more information ? reading work

Re: mmc driver read/write detect problem with Baytrail tablet

2015-06-30 Thread Venkatraman S
On Tue, Jun 30, 2015 at 10:13 AM, Paul Mansfield 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

mmc driver read/write detect problem with Baytrail tablet

2015-06-30 Thread Paul Mansfield
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