i2c-nforce2: Abort the transaction on error

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This patch is to add an abort function that will bring back the MCP51/55
controller if it was blocked by a block-read operation, in particular.
(When a slave sends a wrong byte count on a byte read, the host gets
locked up). I've only tested it on an MCP51 and MCP55. However, I'm
almost certain it will also work on MCP65, I just did not have the board
to test it on. Thus for now the abort function will only be called
if an MCP51/55 was detected.

Signed-off-by: Oleg Ryjkov <olegr@olegr.ca>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

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Oleg Ryjkov 2007-10-13 23:56:33 +02:00 • committed by Jean Delvare

parent 4153549734

commit d49584c4a3

1 changed files with 32 additions and 1 deletions

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drivers/i2c/busses/i2c-nforce2.c

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