SYNOPSIS
enum probe_type {
PROBE_DEFAULT_STRATEGY,
PROBE_PREFER_ASYNCHRONOUS,
PROBE_FORCE_SYNCHRONOUS
};
CONSTANTS
PROBE_DEFAULT_STRATEGY
- Used by drivers that work equally well whether probed synchronously or asynchronously.
PROBE_PREFER_ASYNCHRONOUS
- Drivers for "slow" devices which probing order is not essential for booting the system may opt into executing their probes asynchronously.
PROBE_FORCE_SYNCHRONOUS
- Use this to annotate drivers that need their probe routines to run synchronously with driver and device registration (with the exception of -EPROBE_DEFER handling - re-probing always ends up being done asynchronously).
DESCRIPTION
Note that the end goal is to switch the kernel to use asynchronous probing by default, so annotating drivers with PROBE_PREFER_ASYNCHRONOUS is a temporary measure that allows us to speed up boot process while we are validating the rest of the drivers.
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