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Accessing device properties is currently done via methods on `Device` itself, using bindings to device_property_* functions. This is sufficient for the existing method property_present. However, it's not sufficient for other device properties we want to access. For example, iterating over child nodes of a device will yield a fwnode_handle. That's not a device, so it wouldn't be possible to read the properties of that child node. Thus, we need an abstraction over fwnode_handle and methods for reading its properties. Add a struct FwNode which abstracts over the C struct fwnode_handle. Implement its reference counting analogous to other Rust abstractions over reference-counted C structs. Subsequent patches will add functionality to access FwNode and read properties with it. Tested-by: Dirk Behme <dirk.behme@de.bosch.com> Signed-off-by: Remo Senekowitsch <remo@buenzli.dev> Link: https://lore.kernel.org/r/20250611102908.212514-2-remo@buenzli.dev [ Add temporary #[expect(dead_code)] to avoid a warning. - Danilo ] Signed-off-by: Danilo Krummrich <dakr@kernel.org>
47 lines
1 KiB
C
47 lines
1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Non-trivial C macros cannot be used in Rust. Similarly, inlined C functions
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* cannot be called either. This file explicitly creates functions ("helpers")
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* that wrap those so that they can be called from Rust.
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*
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* Sorted alphabetically.
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*/
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#include "auxiliary.c"
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#include "blk.c"
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#include "bug.c"
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#include "build_assert.c"
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#include "build_bug.c"
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#include "clk.c"
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#include "cpufreq.c"
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#include "cpumask.c"
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#include "cred.c"
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#include "device.c"
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#include "dma.c"
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#include "drm.c"
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#include "err.c"
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#include "fs.c"
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#include "io.c"
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#include "jump_label.c"
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#include "kunit.c"
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#include "mm.c"
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#include "mutex.c"
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#include "page.c"
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#include "platform.c"
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#include "pci.c"
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#include "pid_namespace.c"
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#include "property.c"
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#include "rbtree.c"
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#include "rcu.c"
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#include "refcount.c"
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#include "security.c"
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#include "signal.c"
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#include "slab.c"
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#include "spinlock.c"
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#include "sync.c"
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#include "task.c"
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#include "uaccess.c"
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#include "vmalloc.c"
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#include "wait.c"
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#include "workqueue.c"
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#include "xarray.c"
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