Hi, On Tuesday 08 September 2015 18:48:07, Eric Anholt wrote: > I finally had a chance to sit down and look at what the hardware's doing > with the enable bit (also, I've read a whole lot more of the hardware > now, so I'm a lot faster at answering questions like this). The enable > bits are a clock gate off of the VPU clock.
Are any hardware documents about such things available (in public)? > I knocked together the enable bits as a clock gate driver, since I'd > just written very similar code for the audio domain clock driver (and I > assume you are grumpy about how much time you've spent on this one > stupid register). It's up at > https://github.com/anholt/linux/tree/bcm2835-clock-aux and I can submit > it if you like the result. I've compile tested it only, but I'm hoping > you could just drop your aux SPI driver on top of it and have things > work. IMHO line 45 (https://github.com/anholt/linux/commit/facb4ba917a1b9f6c2ee0cea7d529acf55f584dd#diff-1b6f753c132811b3f6d70f5b31866950R45) should be like this > onecell->clks = kzalloc(sizeof(*onecell->clks) * BCM2835_AUX_CLOCK_COUNT, > GFP_KERNEL); or you will only allocate a single struct clk*. Best regards, Alexander -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
