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linux-stable/drivers/i2c
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Daniel Mack 53801d2e76 i2c: core: fix lockdep warning for sparsely nested adapter chain 
When adapters are chained in a sparse manner (with intermediate MFD devices,
for instance) the code currently fails to use the correct subclass for
the adapter's bus_lock which leads to false-positive lockdep warnings.

Fix this by walking the entire pedigree of the device and count all
adapters along the way instead of just checking the immediate parent.

Signed-off-by: Daniel Mack <daniel@zonque.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2023-10-28 14:47:49 +02:00
..
algos i2c: algo: bit: allow getsda to be NULL 2023-01-23 23:15:49 +01:00
busses i2c: axxia: eliminate kernel-doc warnings 2023-10-28 14:34:53 +02:00
muxes i2c: mux: demux-pinctrl: Annotate struct i2c_demux_pinctrl_priv with __counted_by 2023-09-24 22:49:13 +02:00
i2c-atr.c i2c: Annotate struct i2c_atr with __counted_by 2023-09-24 22:50:25 +02:00
i2c-boardinfo.c
i2c-core-acpi.c i2c: add fwnode APIs 2023-01-17 09:29:59 +01:00
i2c-core-base.c i2c: core: fix lockdep warning for sparsely nested adapter chain 2023-10-28 14:47:49 +02:00
i2c-core-of.c Char/Misc drivers for 6.4-rc1 2023-04-27 12:07:50 -07:00
i2c-core-slave.c i2c: add tracepoints for I2C slave events 2022-03-20 00:11:05 +01:00
i2c-core-smbus.c i2c: smbus: Check for parent device before dereference 2022-02-19 12:37:20 +01:00
i2c-core.h i2c: core: Run atomic i2c xfer when !preemptible 2023-07-28 11:33:02 +01:00
i2c-dev.c i2c: dev: make i2c_dev_class a static const structure 2023-09-19 22:09:58 +02:00
i2c-mux.c i2c: mux: harden i2c_mux_alloc() against integer overflows 2022-09-21 22:12:06 +02:00
i2c-slave-eeprom.c i2c: Convert drivers to new .probe() callback 2023-03-09 21:59:30 +01:00
i2c-slave-testunit.c i2c: Convert drivers to new .probe() callback 2023-03-09 21:59:30 +01:00
i2c-smbus.c i2c: Convert drivers to new .probe() callback 2023-03-09 21:59:30 +01:00
i2c-stub.c
Kconfig i2c: Make I2C_ATR invisible 2023-09-13 10:56:00 +02:00
Makefile media: i2c: add I2C Address Translator (ATR) support 2023-07-14 13:11:44 +02:00