Messages in this thread | | | Date | Fri, 09 Nov 2012 10:28:38 -0700 | From | Stephen Warren <> | Subject | Re: [PATCH] spi: tegra: sequence compatible strings as per preference |
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On 11/09/2012 10:10 AM, Mark Brown wrote: > On Fri, Nov 09, 2012 at 10:04:56AM -0700, Stephen Warren wrote: > >> However just FYI, it should not be necessary for correctness; The >> DT matching order is supposed to be driven purely by the order of >> the compatible values in the DT now, and not affected by the >> order of values in the table. (This wasn't always the case, but >> was a bug that was fixed IIRC by Thierry Reding). > > I guess the driver is being used backported in older kernels which > don't have that fix?
That sounds likely. Laxman, it'd be a good idea to track down the fix to the DT matching code and backport it, so that hard-to debug issues aren't caused by the lack of that patch!
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