Messages in this thread Patch in this message |  | | From | Chunfeng Yun <> | Subject | [PATCH v5 2/3] phy: core: add debugfs root | Date | Sat, 3 Dec 2022 22:55:58 +0800 |
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Add a debugfs root for phy class, then phy drivers can add debugfs files under this folder.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> --- v2~v5: no changes --- drivers/phy/phy-core.c | 6 ++++++ include/linux/phy/phy.h | 2 ++ 2 files changed, 8 insertions(+)
diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index d93ddf1262c5..2f9f69190519 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -11,6 +11,7 @@ #include <linux/export.h> #include <linux/module.h> #include <linux/err.h> +#include <linux/debugfs.h> #include <linux/device.h> #include <linux/slab.h> #include <linux/of.h> @@ -1204,6 +1205,9 @@ void devm_of_phy_provider_unregister(struct device *dev, } EXPORT_SYMBOL_GPL(devm_of_phy_provider_unregister); +struct dentry *phy_debug_root; +EXPORT_SYMBOL_GPL(phy_debug_root); + /** * phy_release() - release the phy * @dev: the dev member within phy @@ -1233,6 +1237,8 @@ static int __init phy_core_init(void) phy_class->dev_release = phy_release; + phy_debug_root = debugfs_create_dir("phy", NULL); + return 0; } device_initcall(phy_core_init); diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index b1413757fcc3..c398749d49b9 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -205,6 +205,8 @@ struct phy_lookup { #define devm_of_phy_provider_register_full(dev, children, xlate) \ __devm_of_phy_provider_register(dev, children, THIS_MODULE, xlate) +extern struct dentry *phy_debug_root; + static inline void phy_set_drvdata(struct phy *phy, void *data) { dev_set_drvdata(&phy->dev, data); -- 2.18.0
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