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PNP: Add dev_is_pnp() macro

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Add dev_is_pnp() macro to determine whether the device is a PNP device.

Signed-off-by: Guanbing Huang <albanhuang@tencent.com>
Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Reviewed-by: Bing Fan <tombinfan@tencent.com>
Tested-by: Linheng Du <dylanlhdu@tencent.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/r/4e68f5557ad53b671ca8103e572163eca52a8f29.1713234515.git.albanhuang@tencent.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Guanbing Huang 2024-04-16 11:16:18 +08:00 • committed by Greg Kroah-Hartman
parent c205edcd86
commit 2a49b45cd0
1 changed files with 4 additions and 0 deletions
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4
include/linux/pnp.h
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@ -469,6 +469,8 @@ int compare_pnp_id(struct pnp_id *pos, const char *id);
int pnp_register_driver(struct pnp_driver *drv);
void pnp_unregister_driver(struct pnp_driver *drv);
#define dev_is_pnp(d) ((d)->bus == &pnp_bus_type)
#else
/* device management */
@ -500,6 +502,8 @@ static inline int compare_pnp_id(struct pnp_id *pos, const char *id) { return -E
static inline int pnp_register_driver(struct pnp_driver *drv) { return -ENODEV; }
static inline void pnp_unregister_driver(struct pnp_driver *drv) { }
#define dev_is_pnp(d) false
#endif /* CONFIG_PNP */
/**