Re: [PATCH v3 1/2] kernel: time: Add udelay_test module to validate udelay

2014-06-13 Thread John Stultz
On Fri, Jun 13, 2014 at 9:13 AM, David Riley wrote: > On Fri, Jun 13, 2014 at 9:06 AM, John Stultz wrote: >> On Thu, Jun 12, 2014 at 1:13 PM, David Riley wrote: >>> Create a module that allows udelay() to be executed to ensure that >>> it is delaying at least as long as requested (with a little

Re: [PATCH v3 1/2] kernel: time: Add udelay_test module to validate udelay

2014-06-13 Thread David Riley
On Fri, Jun 13, 2014 at 9:06 AM, John Stultz wrote: > On Thu, Jun 12, 2014 at 1:13 PM, David Riley wrote: >> Create a module that allows udelay() to be executed to ensure that >> it is delaying at least as long as requested (with a little bit of >> error allowed). >> >> There are some

Re: [PATCH v3 1/2] kernel: time: Add udelay_test module to validate udelay

2014-06-13 Thread John Stultz
On Thu, Jun 12, 2014 at 1:13 PM, David Riley wrote: > Create a module that allows udelay() to be executed to ensure that > it is delaying at least as long as requested (with a little bit of > error allowed). > > There are some configurations which don't have reliably udelay > due to using a loop

Re: [PATCH v3 1/2] kernel: time: Add udelay_test module to validate udelay

2014-06-13 Thread John Stultz
On Thu, Jun 12, 2014 at 1:13 PM, David Riley davidri...@chromium.org wrote: Create a module that allows udelay() to be executed to ensure that it is delaying at least as long as requested (with a little bit of error allowed). There are some configurations which don't have reliably udelay due

Re: [PATCH v3 1/2] kernel: time: Add udelay_test module to validate udelay

2014-06-13 Thread David Riley
On Fri, Jun 13, 2014 at 9:06 AM, John Stultz john.stu...@linaro.org wrote: On Thu, Jun 12, 2014 at 1:13 PM, David Riley davidri...@chromium.org wrote: Create a module that allows udelay() to be executed to ensure that it is delaying at least as long as requested (with a little bit of error

Re: [PATCH v3 1/2] kernel: time: Add udelay_test module to validate udelay

2014-06-13 Thread John Stultz
On Fri, Jun 13, 2014 at 9:13 AM, David Riley davidri...@google.com wrote: On Fri, Jun 13, 2014 at 9:06 AM, John Stultz john.stu...@linaro.org wrote: On Thu, Jun 12, 2014 at 1:13 PM, David Riley davidri...@chromium.org wrote: Create a module that allows udelay() to be executed to ensure that it

Re: [PATCH v3 1/2] kernel: time: Add udelay_test module to validate udelay

2014-06-12 Thread Doug Anderson
David, On Thu, Jun 12, 2014 at 1:13 PM, David Riley wrote: > Create a module that allows udelay() to be executed to ensure that > it is delaying at least as long as requested (with a little bit of > error allowed). > > There are some configurations which don't have reliably udelay > due to using

[PATCH v3 1/2] kernel: time: Add udelay_test module to validate udelay

2014-06-12 Thread David Riley
Create a module that allows udelay() to be executed to ensure that it is delaying at least as long as requested (with a little bit of error allowed). There are some configurations which don't have reliably udelay due to using a loop delay with cpufreq changes which should use a counter time based

[PATCH v3 1/2] kernel: time: Add udelay_test module to validate udelay

2014-06-12 Thread David Riley
Create a module that allows udelay() to be executed to ensure that it is delaying at least as long as requested (with a little bit of error allowed). There are some configurations which don't have reliably udelay due to using a loop delay with cpufreq changes which should use a counter time based

Re: [PATCH v3 1/2] kernel: time: Add udelay_test module to validate udelay

2014-06-12 Thread Doug Anderson
David, On Thu, Jun 12, 2014 at 1:13 PM, David Riley davidri...@chromium.org wrote: Create a module that allows udelay() to be executed to ensure that it is delaying at least as long as requested (with a little bit of error allowed). There are some configurations which don't have reliably