On Mon, Jan 09, 2017 at 05:02:54PM +0800, Phil Reid wrote: > Various muxes can aggregate multiple interrupts from each i2c bus. > All of the muxes with interrupt support combine the active low irq lines > using an internal 'and' function and generate a combined active low > output. The muxes do provide the ability to read a control register to > determine which irq is active. By making the mux an irq controller isr > latency can potentially be reduced by reading the status register and > then only calling the registered isr on that bus segment. > > As there is no irq masking on the mux irq are disabled until irq_unmask is > called at least once. > > Signed-off-by: Phil Reid <preid@xxxxxxxxxxxxxxxxx> Is the ack from Peda here forgotten or still missing? @peda: Once you are happy, do you want to take these patches via your shiny new mux-tree or do you prefer if I pick them? Regards, Wolfram -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
