Re: [PATCH v2] tps65910: Work around silicon erratum SWCZ010

2014-08-29 Thread Lee Jones
On Fri, 22 Aug 2014, Arnout Vandecappelle (Essensium/Mind) wrote: > From http://www.ti.com/lit/pdf/SWCZ010 : > > Glitch on SDA-SCL not managed correctly by the I2C IP > > Impact: > The standard specifies that the I2C transfer should restart on a start > event in all cases. The current design doe

Re: [PATCH v2] tps65910: Work around silicon erratum SWCZ010

2014-08-26 Thread Arnout Vandecappelle
On 08/26/14 12:14, Laxman Dewangan wrote: > Because this patch is dropped from Mark's tree, here is opportunity to revisit > patch. > > On Friday 22 August 2014 09:00 PM, Arnout Vandecappelle (Essensium/Mind) > wrote: >> From http://www.ti.com/lit/pdf/SWCZ010 : >> >> >> Workaround: >> Repeat I2C

Re: [PATCH v2] tps65910: Work around silicon erratum SWCZ010

2014-08-26 Thread Laxman Dewangan
Because this patch is dropped from Mark's tree, here is opportunity to revisit patch. On Friday 22 August 2014 09:00 PM, Arnout Vandecappelle (Essensium/Mind) wrote: From http://www.ti.com/lit/pdf/SWCZ010 : Workaround: Repeat I2C access. A simpler workaround is to make a dummy transfer j

Re: [PATCH v2] tps65910: Work around silicon erratum SWCZ010

2014-08-26 Thread Arnout Vandecappelle
On 08/26/14 11:46, Mark Brown wrote: > On Tue, Aug 26, 2014 at 10:25:21AM +0100, Lee Jones wrote: >> On Fri, 22 Aug 2014, Mark Brown wrote: >> >>> On Fri, Aug 22, 2014 at 05:30:56PM +0200, Arnout Vandecappelle >>> (Essensium/Mind) wrote: From http://www.ti.com/lit/pdf/SWCZ010 : Glit

Re: [PATCH v2] tps65910: Work around silicon erratum SWCZ010

2014-08-26 Thread Mark Brown
On Tue, Aug 26, 2014 at 10:25:21AM +0100, Lee Jones wrote: > On Fri, 22 Aug 2014, Mark Brown wrote: > > > On Fri, Aug 22, 2014 at 05:30:56PM +0200, Arnout Vandecappelle > > (Essensium/Mind) wrote: > > > From http://www.ti.com/lit/pdf/SWCZ010 : > > > > > > Glitch on SDA-SCL not managed correctly

Re: [PATCH v2] tps65910: Work around silicon erratum SWCZ010

2014-08-26 Thread Lee Jones
On Fri, 22 Aug 2014, Mark Brown wrote: > On Fri, Aug 22, 2014 at 05:30:56PM +0200, Arnout Vandecappelle > (Essensium/Mind) wrote: > > From http://www.ti.com/lit/pdf/SWCZ010 : > > > > Glitch on SDA-SCL not managed correctly by the I2C IP drivers/mfd/tps65910.c | 5 + 1 file changed, 5 inser

Re: [PATCH v2] tps65910: Work around silicon erratum SWCZ010

2014-08-22 Thread Mark Brown
On Fri, Aug 22, 2014 at 05:30:56PM +0200, Arnout Vandecappelle (Essensium/Mind) wrote: > From http://www.ti.com/lit/pdf/SWCZ010 : > > Glitch on SDA-SCL not managed correctly by the I2C IP Applied, thanks. signature.asc Description: Digital signature