Messages in this thread | | | Date | Fri, 26 Apr 2019 16:06:15 +0300 | From | Andy Shevchenko <> | Subject | Re: [PATCH 2/2] gpio: sch: Add interrupt support |
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On Wed, Apr 24, 2019 at 12:39:35PM +0200, Jan Kiszka wrote: > On 24.04.19 12:33, Mika Westerberg wrote: > > On Wed, Apr 24, 2019 at 12:19:02PM +0200, Jan Kiszka wrote:
> > > And even if that were possible, we would be back to the square of existing > > > devices without those definitions. If this were a recent chipset, I would > > > say, "go, fix future firmware versions". But this one is legacy. > > > > Is it fixing some real issue with these legacy platforms? I mean without > > the patch some GPE event is not handled properly? It was not clear to me > > from the commit message. > > > > Without that patch, you are forced to poll for event changes in your > application, timer-driven. There are application that cannot process these > GPIOs because they lack such logic (mraa with node-red-node-intel-gpio is a > public example).
Just a side note: MRAA is a hack itself. It abuses almost all interfaces Linux kernel provides.
-- With Best Regards, Andy Shevchenko
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