Re: [PATCH] mmc: dw_mmc: Add a timeout for sending CMD11

2015-03-13 Thread Doug Anderson
Jaehoon, On Fri, Mar 13, 2015 at 4:19 AM, Jaehoon Chung wrote: > Hi Doug. > > This patch is a right process. Just i wonder something. > > On 03/10/2015 08:18 AM, Doug Anderson wrote: >> In the Designware databook's description of the "Voltage Switch Normal >> Scenario" it instructs us to set a ti

Re: [PATCH] mmc: dw_mmc: Add a timeout for sending CMD11

2015-03-13 Thread Jaehoon Chung
Hi Doug. This patch is a right process. Just i wonder something. On 03/10/2015 08:18 AM, Doug Anderson wrote: > In the Designware databook's description of the "Voltage Switch Normal > Scenario" it instructs us to set a timer and fail the voltage change > if we don't see the voltage change interr

[PATCH] mmc: dw_mmc: Add a timeout for sending CMD11

2015-03-09 Thread Doug Anderson
In the Designware databook's description of the "Voltage Switch Normal Scenario" it instructs us to set a timer and fail the voltage change if we don't see the voltage change interrupt within 2ms. Let's implement that. Without implementing this I have often been able to reproduce a hang while try