diff mbox series

[v4,1/3] pnp: Add dev_is_pnp() macro

Message ID PSAPR06MB4952DCB31578A5CB547612E3C93D2@PSAPR06MB4952.apcprd06.prod.outlook.com
State Superseded
Headers show
Series [v4,1/3] pnp: Add dev_is_pnp() macro | expand

Commit Message

Guanbing Huang April 3, 2024, 7:41 a.m. UTC 
From: Guanbing Huang <albanhuang@tencent.com>

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

Signed-off-by: Guanbing Huang <albanhuang@tencent.com>
Reviewed-by: Bing Fan <tombinfan@tencent.com>
Tested-by: Linheng Du <dylanlhdu@tencent.com>
---
 include/linux/pnp.h | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index ddbe7c3ca4ce..792921c06594 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -502,6 +502,8 @@  static inline void pnp_unregister_driver(struct pnp_driver *drv) { }
 
 #endif /* CONFIG_PNP */
 
+#define dev_is_pnp(d) ((d)->bus == &pnp_bus_type)
+
 /**
  * module_pnp_driver() - Helper macro for registering a PnP driver
  * @__pnp_driver: pnp_driver struct