From: Guanbing Huang <albanhuang@xxxxxxxxxxx>
Add dev_is_pnp() macro to determine whether the device is a PNP device.
Signed-off-by: Guanbing Huang <albanhuang@xxxxxxxxxxx>
Suggested-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxx>
Reviewed-by: Bing Fan <tombinfan@xxxxxxxxxxx>
Tested-by: Linheng Du <dylanlhdu@xxxxxxxxxxx>
---
v5 -> v6: fix the issue that the cover letter is not chained with the patch series
v4 -> v5: change "pnp" in the commit message to uppercase
include/linux/pnp.h | 2 ++
1 file changed, 2 insertions(+)
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
--
2.17.1
