[U-Boot] [PATCH] i.MX31: document timer precision option

[U-Boot] [PATCH] i.MX31: document timer precision option

[Guennadi Liakhovetski]

Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
---

diff -u /dev/null doc/README.imx31
--- /dev/null	2008-08-28 10:21:05.503011301 +0200
+++ doc/README.imx31	2008-08-28 12:15:21.000000000 +0200
@@ -0,0 +1,13 @@
+i.MX31 specific Configuration Options:
+--------------------------------------
+
+- Timer precision:
+		CONFIG_MX31_TIMER_HIGH_PRECISION
+
+		Enable higher precision timer. The low-precision timer
+		(default) provides approximately 4% error, whereas the
+		high-precision timer is about 0.4% accurate. The extra
+		accuracy is achieved at the cost of higher computational
+		overhead, which, in places where time is measured, should
+		not be critical, so, it should be safe to enable this
+		option.

[U-Boot] [PATCH] i.MX31: document timer precision option

[Shinya Kuribayashi]

Hi Guennadi,

Guennadi Liakhovetski wrote:
> Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
> ---
> 
> diff -u /dev/null doc/README.imx31
> --- /dev/null	2008-08-28 10:21:05.503011301 +0200
> +++ doc/README.imx31	2008-08-28 12:15:21.000000000 +0200
> @@ -0,0 +1,13 @@
> +i.MX31 specific Configuration Options:
> +--------------------------------------
> +
> +- Timer precision:
> +		CONFIG_MX31_TIMER_HIGH_PRECISION
> +
> +		Enable higher precision timer. The low-precision timer
> +		(default) provides approximately 4% error, whereas the
> +		high-precision timer is about 0.4% accurate. The extra
> +		accuracy is achieved at the cost of higher computational
> +		overhead, which, in places where time is measured, should
> +		not be critical, so, it should be safe to enable this
> +		option.

I'm not familiar with the maintainance policy of README and doc/*, but
is there any reasone this README.imx31 is sitting on the top of tree?
Should be marged into $(TOPDIR)/README, or moved to doc/ directory?

Noticed a few minutes ago, so just let you know...

-- 
Shinya Kuribayashi
NEC Electronics

[U-Boot] [PATCH] i.MX31: document timer precision option

[Guennadi Liakhovetski]

On Thu, 18 Sep 2008, Shinya Kuribayashi wrote:

> Hi Guennadi,
> 
> Guennadi Liakhovetski wrote:
> > Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
> > ---
> > 
> > diff -u /dev/null doc/README.imx31
> > --- /dev/null	2008-08-28 10:21:05.503011301 +0200
> > +++ doc/README.imx31	2008-08-28 12:15:21.000000000 +0200
> > @@ -0,0 +1,13 @@
> > +i.MX31 specific Configuration Options:
> > +--------------------------------------
> > +
> > +- Timer precision:
> > +		CONFIG_MX31_TIMER_HIGH_PRECISION
> > +
> > +		Enable higher precision timer. The low-precision timer
> > +		(default) provides approximately 4% error, whereas the
> > +		high-precision timer is about 0.4% accurate. The extra
> > +		accuracy is achieved at the cost of higher computational
> > +		overhead, which, in places where time is measured, should
> > +		not be critical, so, it should be safe to enable this
> > +		option.
> 
> I'm not familiar with the maintainance policy of README and doc/*, but
> is there any reasone this README.imx31 is sitting on the top of tree?
> Should be marged into $(TOPDIR)/README, or moved to doc/ directory?
> 
> Noticed a few minutes ago, so just let you know...

> > +++ doc/README.imx31	2008-08-28 12:15:21.000000000 +0200

Looks like doc/ to me.

Thanks
Guennadi
---
Guennadi Liakhovetski, Ph.D.

DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-0 Fax: +49-8142-66989-80  Email: office at denx.de