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[v2,02/13] i2c: add i2c_adapter-specific printk helpers

Message ID 20260223-i2c-printk-helpers-v2-2-13b2a97762af@oss.qualcomm.com (mailing list archive)
State New
Headers
Series i2c: add and start using i2c_adapter-specific printk helpers |

Commit Message

Bartosz Golaszewski Feb. 23, 2026, 8:59 a.m. UTC 
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 <bartosz.golaszewski@oss.qualcomm.com>
---
 include/linux/i2c.h | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

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);