Re: [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-10-17 Thread Zach Brown
On Thu, Oct 06, 2016 at 10:03:56AM +0200, Ulf Hansson wrote: > On 5 October 2016 at 22:03, Rob Herring wrote: > > On Wed, Oct 5, 2016 at 1:33 PM, Ulf Hansson wrote: > >> On 23 September 2016 at 22:01, Zach Brown wrote: > >>> Certain

Re: [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-10-17 Thread Zach Brown
On Thu, Oct 06, 2016 at 10:03:56AM +0200, Ulf Hansson wrote: > On 5 October 2016 at 22:03, Rob Herring wrote: > > On Wed, Oct 5, 2016 at 1:33 PM, Ulf Hansson wrote: > >> On 23 September 2016 at 22:01, Zach Brown wrote: > >>> Certain board configurations can make highspeed malfunction due to >

Re: [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-10-07 Thread Zach Brown
On Thu, Oct 06, 2016 at 09:13:24AM +0300, Adrian Hunter wrote: > On 06/10/16 04:34, Shawn Lin wrote: > > On 2016/10/6 5:22, Julia Cartwright wrote: > >> On Wed, Oct 05, 2016 at 03:03:44PM -0500, Rob Herring wrote: > >>> On Wed, Oct 5, 2016 at 1:33 PM, Ulf Hansson > >>>

Re: [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-10-07 Thread Zach Brown
On Thu, Oct 06, 2016 at 09:13:24AM +0300, Adrian Hunter wrote: > On 06/10/16 04:34, Shawn Lin wrote: > > On 2016/10/6 5:22, Julia Cartwright wrote: > >> On Wed, Oct 05, 2016 at 03:03:44PM -0500, Rob Herring wrote: > >>> On Wed, Oct 5, 2016 at 1:33 PM, Ulf Hansson > >>> wrote: > On 23

Re: [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-10-06 Thread Ulf Hansson
On 5 October 2016 at 22:03, Rob Herring wrote: > On Wed, Oct 5, 2016 at 1:33 PM, Ulf Hansson wrote: >> On 23 September 2016 at 22:01, Zach Brown wrote: >>> Certain board configurations can make highspeed malfunction due to >>>

Re: [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-10-06 Thread Ulf Hansson
On 5 October 2016 at 22:03, Rob Herring wrote: > On Wed, Oct 5, 2016 at 1:33 PM, Ulf Hansson wrote: >> On 23 September 2016 at 22:01, Zach Brown wrote: >>> Certain board configurations can make highspeed malfunction due to >>> timing issues. In these cases a way is needed to force the

Re: [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-10-06 Thread Adrian Hunter
On 06/10/16 04:34, Shawn Lin wrote: > On 2016/10/6 5:22, Julia Cartwright wrote: >> On Wed, Oct 05, 2016 at 03:03:44PM -0500, Rob Herring wrote: >>> On Wed, Oct 5, 2016 at 1:33 PM, Ulf Hansson wrote: On 23 September 2016 at 22:01, Zach Brown wrote:

Re: [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-10-06 Thread Adrian Hunter
On 06/10/16 04:34, Shawn Lin wrote: > On 2016/10/6 5:22, Julia Cartwright wrote: >> On Wed, Oct 05, 2016 at 03:03:44PM -0500, Rob Herring wrote: >>> On Wed, Oct 5, 2016 at 1:33 PM, Ulf Hansson wrote: On 23 September 2016 at 22:01, Zach Brown wrote: > Certain board configurations can

Re: [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-10-05 Thread Shawn Lin
On 2016/10/6 5:22, Julia Cartwright wrote: On Wed, Oct 05, 2016 at 03:03:44PM -0500, Rob Herring wrote: On Wed, Oct 5, 2016 at 1:33 PM, Ulf Hansson wrote: On 23 September 2016 at 22:01, Zach Brown wrote: Certain board configurations can make

Re: [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-10-05 Thread Shawn Lin
On 2016/10/6 5:22, Julia Cartwright wrote: On Wed, Oct 05, 2016 at 03:03:44PM -0500, Rob Herring wrote: On Wed, Oct 5, 2016 at 1:33 PM, Ulf Hansson wrote: On 23 September 2016 at 22:01, Zach Brown wrote: Certain board configurations can make highspeed malfunction due to timing issues. In

Re: [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-10-05 Thread Julia Cartwright
On Wed, Oct 05, 2016 at 03:03:44PM -0500, Rob Herring wrote: > On Wed, Oct 5, 2016 at 1:33 PM, Ulf Hansson wrote: > > On 23 September 2016 at 22:01, Zach Brown wrote: > >> Certain board configurations can make highspeed malfunction due to > >> timing

Re: [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-10-05 Thread Julia Cartwright
On Wed, Oct 05, 2016 at 03:03:44PM -0500, Rob Herring wrote: > On Wed, Oct 5, 2016 at 1:33 PM, Ulf Hansson wrote: > > On 23 September 2016 at 22:01, Zach Brown wrote: > >> Certain board configurations can make highspeed malfunction due to > >> timing issues. In these cases a way is needed to

Re: [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-10-05 Thread Rob Herring
On Wed, Oct 5, 2016 at 1:33 PM, Ulf Hansson wrote: > On 23 September 2016 at 22:01, Zach Brown wrote: >> Certain board configurations can make highspeed malfunction due to >> timing issues. In these cases a way is needed to force the controller >> and

Re: [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-10-05 Thread Rob Herring
On Wed, Oct 5, 2016 at 1:33 PM, Ulf Hansson wrote: > On 23 September 2016 at 22:01, Zach Brown wrote: >> Certain board configurations can make highspeed malfunction due to >> timing issues. In these cases a way is needed to force the controller >> and card into standard speed even if they

Re: [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-10-05 Thread Ulf Hansson
On 23 September 2016 at 22:01, Zach Brown wrote: > Certain board configurations can make highspeed malfunction due to > timing issues. In these cases a way is needed to force the controller > and card into standard speed even if they otherwise appear to be capable > of

Re: [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-10-05 Thread Ulf Hansson
On 23 September 2016 at 22:01, Zach Brown wrote: > Certain board configurations can make highspeed malfunction due to > timing issues. In these cases a way is needed to force the controller > and card into standard speed even if they otherwise appear to be capable > of highspeed. > > The

Re: [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-10-03 Thread Rob Herring
On Fri, Sep 23, 2016 at 03:01:08PM -0500, Zach Brown wrote: > Certain board configurations can make highspeed malfunction due to > timing issues. In these cases a way is needed to force the controller > and card into standard speed even if they otherwise appear to be capable > of highspeed. > >

Re: [RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-10-03 Thread Rob Herring
On Fri, Sep 23, 2016 at 03:01:08PM -0500, Zach Brown wrote: > Certain board configurations can make highspeed malfunction due to > timing issues. In these cases a way is needed to force the controller > and card into standard speed even if they otherwise appear to be capable > of highspeed. > >

[RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-09-23 Thread Zach Brown
Certain board configurations can make highspeed malfunction due to timing issues. In these cases a way is needed to force the controller and card into standard speed even if they otherwise appear to be capable of highspeed. The sd-broken-highspeed property will let the sdhci driver know that

[RFC 1/2] sdhci: Add device tree property sd-broken-highspeed

2016-09-23 Thread Zach Brown
Certain board configurations can make highspeed malfunction due to timing issues. In these cases a way is needed to force the controller and card into standard speed even if they otherwise appear to be capable of highspeed. The sd-broken-highspeed property will let the sdhci driver know that