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mfd: aat2870: Use per-client debugfs directory 

The I2C core now provides a debugfs entry for each client. Let this
driver use it instead of the custom directory in debugfs root. Further
improvements by this change: automatic clean up on removal, support of
multiple instances.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20250318091426.22258-2-wsa+renesas@sang-engineering.com
Signed-off-by: Lee Jones <lee@kernel.org>
pull/1285/head
Wolfram Sang 2025-03-18 10:13:41 +01:00 committed by Lee Jones
parent 18e6c1d2a7
commit 1d2aeee6dd
2 changed files with 1 additions and 6 deletions
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4
drivers/mfd/aat2870-core.c
View File

@ -320,9 +320,7 @@ static const struct file_operations aat2870_reg_fops = {
static void aat2870_init_debugfs(struct aat2870_data *aat2870) static void aat2870_init_debugfs(struct aat2870_data *aat2870)
{ {
aat2870->dentry_root = debugfs_create_dir("aat2870", NULL); debugfs_create_file("regs", 0644, aat2870->client->debugfs, aat2870,
debugfs_create_file("regs", 0644, aat2870->dentry_root, aat2870,
&aat2870_reg_fops); &aat2870_reg_fops);
} }

3
include/linux/mfd/aat2870.h
View File

@ -133,9 +133,6 @@ struct aat2870_data {
int (*read)(struct aat2870_data *aat2870, u8 addr, u8 *val); int (*read)(struct aat2870_data *aat2870, u8 addr, u8 *val);
int (*write)(struct aat2870_data *aat2870, u8 addr, u8 val); int (*write)(struct aat2870_data *aat2870, u8 addr, u8 val);
int (*update)(struct aat2870_data *aat2870, u8 addr, u8 mask, u8 val); int (*update)(struct aat2870_data *aat2870, u8 addr, u8 mask, u8 val);
/* for debugfs */
struct dentry *dentry_root;
}; };
struct aat2870_subdev_info { struct aat2870_subdev_info {