diff options
author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2025-06-16 20:16:21 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-06-17 10:57:56 +0200 |
commit | b29929b819f35503024c6a7e6ad442f6e36c68a0 (patch) | |
tree | 60ed78485969fef2a470c87f3d901cbe3d618ca9 /include/linux/device.h | |
parent | fb506e31b3d52f7faaec00352c2732ce31c1f930 (diff) |
driver core: Add device_link_test() for testing device link flags
To avoid coding mistakes like the one fixed by commit 3860cbe23963 ("PM:
sleep: Fix bit masking operation"), introduce device_link_test() for
testing device link flags and use it where applicable.
No intentional functional impact.
Signed-off-by: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/2793309.mvXUDI8C0e@rjwysocki.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/device.h')
-rw-r--r-- | include/linux/device.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index 4940db137fff..afdd4f7c0d94 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -1162,6 +1162,11 @@ void device_links_supplier_sync_state_pause(void); void device_links_supplier_sync_state_resume(void); void device_link_wait_removal(void); +static inline bool device_link_test(const struct device_link *link, u32 flags) +{ + return !!(link->flags & flags); +} + /* Create alias, so I can be autoloaded. */ #define MODULE_ALIAS_CHARDEV(major,minor) \ MODULE_ALIAS("char-major-" __stringify(major) "-" __stringify(minor)) |