diff mbox series

[v5,1/3] PNP: Add dev_is_pnp() macro

Message ID PSAPR06MB4952B6F731E61760358CDCFBC9002@PSAPR06MB4952.apcprd06.prod.outlook.com
State New
Headers show
Series [v5,1/3] PNP: Add dev_is_pnp() macro | expand

Commit Message

Guanbing Huang April 8, 2024, 3:36 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>
Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Reviewed-by: Bing Fan <tombinfan@tencent.com>
Tested-by: Linheng Du <dylanlhdu@tencent.com>
---
v4 -> v5: change "pnp" in the commit message to uppercase

 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