Messages in this thread | | | Date | Mon, 29 Jul 2019 15:22:03 +0200 | From | Dmitry Torokhov <> | Subject | Re: [PATCH v2] Input: applespi - register touchpad device synchronously in probe |
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Hi Ronald,
On Sun, Jul 21, 2019 at 12:05:23AM -0700, Ronald Tschalär wrote: > This allows errors during registration to properly fail the probe > function. > > Doing this requires waiting for a response from the device inside the > probe function. While this generally takes about 15ms, in case of errors > it could be arbitrarily long, and hence a 3 second timeout is used. > > This also adds 3 second timeouts to the drain functions to avoid the > potential for suspend or remove hanging forever.
Question: is it possible to read command response synchronously as well? I.e. I was wondering if we could add 2 (or 1?) more read xfers for the actual result that is coming after the status response, and then we could use spi_sync() to send the command and read the whole thing.
Thanks.
-- Dmitry
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