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From: Guanbing Huang <albanhuang0@gmail.com>
To: gregkh@linuxfoundation.org,
	andriy.shevchenko@intel.com,
	rafael.j.wysocki@intel.com
Cc: linux-acpi@vger.kernel.org,
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	lvjianmin@loongson.cn,
	albanhuang@tencent.com,
	tombinfan@tencent.com
Subject: [PATCH v8 1/3] PNP: Add dev_is_pnp() macro
Date: Tue, 16 Apr 2024 11:16:18 +0800
Message-Id: <4e68f5557ad53b671ca8103e572163eca52a8f29.1713234515.git.albanhuang@tencent.com>
In-Reply-To: <cover.1713234515.git.albanhuang@tencent.com>
References: <cover.1713234515.git.albanhuang@tencent.com>
Precedence: bulk

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>
---
v7 -> v8: delete a "Reviewed-by" tag, delete a "Reported-by" tag
v6 -> v7: add a "Reviewed-by" tag and a "Reported-by" tag, fix build errors when CONFIG_PNP is not enabled
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 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index ddbe7c3ca4ce..82561242cda4 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -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 */
 
 /**
-- 
2.17.1