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Wolfram Sang b32abe570e i2c: rcar: in slave mode, clear NACK earlier

[ Upstream commit 914a7b3563 ]

Currently, a NACK in slave mode is set/cleared when SCL is held low by
the IP core right before the bit is about to be pushed out. This is too
late for clearing and then a NACK from the previous byte is still used
for the current one. Now, let's clear the NACK right after we detected
the STOP condition following the NACK.

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2020-09-03 11:21:19 +02:00

algos

i2c: algo-pca: Add 0x78 as SCL stuck low status for PCA9665

2020-07-09 09:35:56 +02:00

busses

i2c: rcar: in slave mode, clear NACK earlier

2020-09-03 11:21:19 +02:00

muxes

i2c: mux: demux-pinctrl: Fix an error handling path in 'i2c_demux_pinctrl_probe()'

2020-05-27 16:41:43 +02:00

i2c-boardinfo.c

i2c: remove __init from i2c_register_board_info()