AuxXxilium/linux_dsm_epyc7002
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eb01597158
linux_dsm_epyc7002/drivers/i2c
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Wolfram Sang eb01597158 i2c: rcar: always clear ICSAR to avoid side effects 
On R-Car Gen2, we get a timeout when reading from the address set in
ICSAR, even though the slave interface is disabled. Clearing it fixes
this situation. Note that Gen3 is not affected.

To reproduce: bind and undbind an I2C slave on some bus, run
'i2cdetect' on that bus.

Fixes: de20d1857d ("i2c: rcar: add slave support")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
2020-07-23 22:25:18 +02:00
..
algos i2c: algo-pca: Add 0x78 as SCL stuck low status for PCA9665 2020-07-04 08:17:47 +02:00
busses i2c: rcar: always clear ICSAR to avoid side effects 2020-07-23 22:25:18 +02:00
muxes Merge branch 'i2c/for-current-fixed' into i2c/for-5.8 2020-05-20 15:27:45 +02:00
i2c-boardinfo.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
i2c-core-acpi.c i2c: acpi: Drop double check for ACPI companion device 2020-05-28 18:01:20 +02:00
i2c-core-base.c i2c: remove deprecated i2c_new_device API 2020-06-19 09:20:28 +02:00
i2c-core-of.c i2c: use my kernel.org address from now on 2020-05-05 16:29:09 +02:00
i2c-core-slave.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
i2c-core-smbus.c i2c: core: check returned size of emulated smbus block read 2020-06-26 10:18:35 +02:00
i2c-core.h i2c: reword explanation about atomic transfers 2020-05-20 15:25:55 +02:00
i2c-dev.c i2c: dev: Fix the race between the release of i2c_dev and cdev 2020-03-20 18:34:29 +01:00
i2c-mux.c i2c: mux: add sysfs header 2019-06-22 07:32:33 +02:00
i2c-slave-eeprom.c i2c: slave-eeprom: update documentation to recent changes 2020-05-28 18:06:10 +02:00
i2c-smbus.c i2c: smbus: Add a way to instantiate SPD EEPROMs automatically 2020-05-29 12:53:04 +02:00
i2c-stub.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
Kconfig i2c: add Kconfig help text for slave mode 2020-07-04 08:17:53 +02:00
Makefile i2c: don't use any __deprecated handling anymore 2018-08-24 17:26:43 +02:00