[PATCH 01/12] i2c: add i2c_adapter-specific printk helpers
From: Bartosz Golaszewski <hidden>
Date: 2025-12-23 10:02:48
Also in:
linux-arm-kernel, linux-i2c, linux-sunxi, lkml
Subsystem:
i2c subsystem, the rest · Maintainers:
Wolfram Sang, Linus Torvalds
Add a set of i2c-specific printk helpers that wrap their device-level counterparts and hide the dereferencing of struct device embedded in struct i2c_adapter. This is done in order to allow moving this struct device out of struct i2c_adapter into memory managed by i2c core. Signed-off-by: Bartosz Golaszewski <redacted> --- include/linux/i2c.h | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 20fd41b51d5c85ee1665395c07345faafd8e2fca..2225696c859f617479be4d5c9d304bb32cbf5e9d 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h@@ -768,6 +768,12 @@ struct i2c_adapter { }; #define to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev) +#define i2c_err(adap, fmt, ...) dev_err(&(adap)->dev, fmt, ##__VA_ARGS__) +#define i2c_warn(adap, fmt, ...) dev_warn(&(adap)->dev, fmt, ##__VA_ARGS__) +#define i2c_notice(adap, fmt, ...) dev_notice(&(adap)->dev, fmt, ##__VA_ARGS__) +#define i2c_info(adap, fmt, ...) dev_info(&(adap)->dev, fmt, ##__VA_ARGS__) +#define i2c_dbg(adap, fmt, ...) dev_dbg(&(adap)->dev, fmt, ##__VA_ARGS__) + static inline void *i2c_get_adapdata(const struct i2c_adapter *adap) { return dev_get_drvdata(&adap->dev);
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2.47.3