Re: [RFC PATCH 1/2] clk: add clk accuracy retrieval support

2013-08-01 Thread boris brezillon
Sorry for the noise, I forgot to add "--in-reply-to" option. On 01/08/2013 17:02, Boris BREZILLON wrote: The clock accuracy is expressed in ppb (parts per billion) and represents the possible clock drift. Say you have a clock (e.g. an oscillator) which provides a fixed clock of 20MHz with an

[RFC PATCH 1/2] clk: add clk accuracy retrieval support

2013-08-01 Thread Boris BREZILLON
The clock accuracy is expressed in ppb (parts per billion) and represents the possible clock drift. Say you have a clock (e.g. an oscillator) which provides a fixed clock of 20MHz with an accuracy of +- 20Hz. This accuracy expressed in ppb is 20Hz/20MHz = 1000 ppb (or 1 ppm). Clock users may need

[RFC PATCH 1/2] clk: add clk accuracy retrieval support

2013-08-01 Thread Boris BREZILLON
The clock accuracy is expressed in ppb (parts per billion) and represents the possible clock drift. Say you have a clock (e.g. an oscillator) which provides a fixed clock of 20MHz with an accuracy of +- 20Hz. This accuracy expressed in ppb is 20Hz/20MHz = 1000 ppb (or 1 ppm). Clock users may need

[RFC PATCH 1/2] clk: add clk accuracy retrieval support

2013-08-01 Thread Boris BREZILLON
The clock accuracy is expressed in ppb (parts per billion) and represents the possible clock drift. Say you have a clock (e.g. an oscillator) which provides a fixed clock of 20MHz with an accuracy of +- 20Hz. This accuracy expressed in ppb is 20Hz/20MHz = 1000 ppb (or 1 ppm). Clock users may need

[RFC PATCH 1/2] clk: add clk accuracy retrieval support

2013-08-01 Thread Boris BREZILLON
The clock accuracy is expressed in ppb (parts per billion) and represents the possible clock drift. Say you have a clock (e.g. an oscillator) which provides a fixed clock of 20MHz with an accuracy of +- 20Hz. This accuracy expressed in ppb is 20Hz/20MHz = 1000 ppb (or 1 ppm). Clock users may need

Re: [RFC PATCH 1/2] clk: add clk accuracy retrieval support

2013-08-01 Thread boris brezillon
Sorry for the noise, I forgot to add --in-reply-to option. On 01/08/2013 17:02, Boris BREZILLON wrote: The clock accuracy is expressed in ppb (parts per billion) and represents the possible clock drift. Say you have a clock (e.g. an oscillator) which provides a fixed clock of 20MHz with an