On Tue, Aug 19, 2014 at 1:23 PM, Bjorn Andersson <[email protected]> wrote: > Introduce the irq_read_line() function to allow device drivers to read > the current logical state of an input when the hardware only exposes > this through status bits in the interrupt controller. > > The new function is backed by a new callback function in the irq_chip - > irq_read_line() - that can be implemented by irq_chips that owns such > status bits. > > Based on rfc patch from April 2011 by Abhijeet. > > Cc: Abhijeet Dharmapurikar <[email protected]> > Signed-off-by: Bjorn Andersson <[email protected]>
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