On Thu, Jun 06, 2013 at 01:08:46PM +0300, Illia Smyrnov wrote: > On 06/05/2013 02:57 PM, Mark Brown wrote: > Turbo mode gives the expected results not for all cases. There are > some limitations: > - works only if a single channel is enabled (no effect when several > channels are enable); > - improves the throughput on RX direction only; > - effective only when a transfer exceeds two words. For single SPI > word transfers OMAP TRM [1] recommends deactivate turbo mode. > So it is useful to have the property in DT, that allow us to switch > turbo mode off/on for certain slave. Why? These sound like conditions that can readily be detected at runtime.
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