On 19-09-15, 23:29, Scott Wood wrote: > Get the CPU clock's potential parent clocks from the clock interface > itself, rather than manually parsing the clocks property to find a > phandle, looking at the clock-names property of that, and assuming that > those are valid parent clocks for the cpu clock. > > This is necessary now that the clocks are generated based on the clock > driver's knowledge of the chip rather than a fragile device-tree > description of the mux options. > > We can now rely on the clock driver to ensure that the mux only exposes > options that are valid. The cpufreq driver was currently being overly > conservative in some cases -- for example, the "min_cpufreq = > get_bus_freq()" restriction only applies to chips with erratum > A-004510, and whether the freq_mask used on p5020 is needed depends on > the actual frequencies of the PLLs (FWIW, p5040 has a similar > limitation but its .freq_mask was zero) -- and the frequency mask > mechanism made assumptions about particular parent clock indices that > are no longer valid. > > Signed-off-by: Scott Wood <[email protected]> > --- > v3: was patch 1/5 and patch 4/5, plus blacklist e6500 and changes > to clk api usage > > drivers/cpufreq/qoriq-cpufreq.c | 137 > ++++++++++++---------------------------- > 1 file changed, 40 insertions(+), 97 deletions(-)
Acked-by: Viresh Kumar <[email protected]> -- viresh -- To unsubscribe from this list: send the line "unsubscribe linux-clk" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
