Re: [PATCH] i2c: bcm2835: Set up the clock stretching timeout at boot.

From: Eric Anholt
Date: Sun Jul 03 2016 - 21:03:06 EST


Wolfram Sang <wsa@xxxxxxxxxxxxx> writes:

>> + /*
>> + * SMBUS says "Devices participating in a transfer will
>> + * timeout when any clock low exceeds the value of
>> + * T_TIMEOUT,MIN of 25 ms."
>> + */
>
> SMBus has that timeout, but I2C doesn't. How about disabling the timeout
> simply? Or using the max value if you want to keep the timeout
> detection?

Disabling the timeout seems fine to me. We still have a 1-second
timeout around the entire transfer. I'll be back on my DSI branch this
week and test it out then.

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