[PATCH v2 0/3] i2c: create debugfs entry per adapter

From: Wolfram Sang
Date: Sun Nov 12 2023 - 17:55:08 EST


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.
Convert the two existing users as well. Tested on a Renesas Lager board
with the i2c-gpio driver. npcm7xx was tested using QEMU with the
quanta-gsj target.

Changes since v1:
* rebased to something close to 6.7-rc1 which includes i2c/for-mergewindow
* tested npcm7xx with QEMU

Wolfram Sang (3):
i2c: create debugfs entry per adapter
i2c: gpio: move to per-adapter debugfs directory
i2c: npcm7xx: move to per-adapter debugfs directory

drivers/i2c/busses/i2c-gpio.c | 34 ++++------------------
drivers/i2c/busses/i2c-npcm7xx.c | 49 +++++---------------------------
drivers/i2c/i2c-core-base.c | 11 +++++++
include/linux/i2c.h | 2 ++
4 files changed, 26 insertions(+), 70 deletions(-)

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2.35.1