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Subject: Re: [PATCH V9] virtio-gpio: Add the device specification
On Mon, Aug 09 2021, Viresh Kumar <viresh.kumar@linaro.org> wrote: > virtio-gpio is a virtual GPIO controller. It provides a way to flexibly > communicate with the host GPIO controllers from the guest. > > Note that the current implementation doesn't provide atomic APIs for > GPIO configurations. i.e. the driver (guest) would need to implement > sleep-able versions of the APIs as the guest will respond asynchronously > over the virtqueue. > > This patch adds the specification for it. > > Based on the initial work posted by: > "Enrico Weigelt, metux IT consult" <lkml@metux.net>. > > Fixes: https://github.com/oasis-tcs/virtio-spec/issues/110 > Reviewed-by: Arnd Bergmann <arnd@arndb.de> > Reviewed-by: Linus Walleij <linus.walleij@linaro.org> > Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> > --- > V8->V9: > - Dropped few occurrences of "MUST" from non-normative statements. > - Send the patch for base GPIO specifications separately, so it can get merged > first while the IRQ support is still discussed. > > Here is the previous version: > > https://lists.oasis-open.org/archives/virtio-dev/202107/msg00232.html > > conformance.tex | 28 +++- > content.tex | 1 + > virtio-gpio.tex | 346 ++++++++++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 371 insertions(+), 4 deletions(-) > create mode 100644 virtio-gpio.tex Pushed out the voted-upon change; please follow up on the raised comments separately.
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