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authorJan Glauber <jglauber@cavium.com>2016-09-23 12:40:39 +0300
committerWolfram Sang <wsa@the-dreams.de>2016-09-24 12:22:24 +0300
commit70121f7f3725c82e8927a4e03ca1d50c98bbc6d2 (patch)
tree29d0e13b40b0471d26047c270a78207748624ac7 /Documentation/basic_profiling.txt
parentfcbd4bddb314346a35295701f385b9627bb3a137 (diff)
downloadlinux-70121f7f3725c82e8927a4e03ca1d50c98bbc6d2.tar.xz
i2c: octeon: thunderx: Limit register access retries
Do not infinitely retry register readq and writeq operations in order to not lock up the CPU in case the TWSI gets stuck. Return -ETIMEDOUT in case of a failed data read. For all other cases just return so subsequent operations will fail. Signed-off-by: Jan Glauber <jglauber@cavium.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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