On Tue, 18 Oct 2016 13:42:09 +0800 Chen-Yu Tsai <w...@csie.org> wrote:
> On the A31, the DMA engine only works if AHB1 is clocked from PLL6. > In addition, the hstimer is clocked from AHB1, and if AHB1 is clocked > from the CPU clock, and cpufreq is working, we get an unstable timer. > > Force the AHB1 clock to use PLL6 as its parent. Previously this was done > in the device tree with the assigned-clocks and assigned-clocks-parent > bindings. However with this new monolithic driver, the system critical > clocks aren't exported through the device tree. The alternative is to > force this setting in the driver before the clocks are registered. It should be simpler to export the constant (CLK_AHB1) instead of adding code... -- Ken ar c'hentañ | ** Breizh ha Linux atav! ** Jef | http://moinejf.free.fr/
