i2c: octeon: Add workaround for broken irqs on CN3860

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CN3860 does not interrupt the CPU when the i2c status changes. If
we get a timeout, and see the status has in fact changed, we know we
have this problem, and drop back to polling.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Jan Glauber <jglauber@cavium.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

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David Daney 2016-04-27 11:44:39 +02:00 • committed by Wolfram Sang

parent dd485951e7

commit fe600cf642

1 changed files with 51 additions and 2 deletions

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53

drivers/i2c/busses/i2c-octeon.c

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