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i2c: create debugfs entry per adapter

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[ Upstream commit 73febd775bdbdb98c81255ff85773ac410ded5c4 ]

Two drivers already implement custom debugfs handling for their
i2c_adapter and more will come. So, let the core create a debugfs
directory per adapter and pass that to drivers for their debugfs files.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Stable-dep-of: 8d3cefaf6592 ("i2c: core: Lock address during client device instantiation")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Wolfram Sang
2023-11-12 17:54:41 -05:00
committed by Greg Kroah-Hartman
parent aac871e493
commit 4a2be5a728
2 changed files with 13 additions and 0 deletions
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include/linux/i2c.h
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@@ -746,6 +746,8 @@ struct i2c_adapter {
struct irq_domain *host_notify_domain;
struct regulator *bus_regulator;
struct dentry *debugfs;
};
#define to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev)