[PATCH] i2c: bcm2835: Set up the clock stretching timeout at boot.
wsa at the-dreams.de
Fri Jul 22 00:27:40 PDT 2016
On Sun, Jul 03, 2016 at 06:02:32PM -0700, Eric Anholt wrote:
> Wolfram Sang <wsa at the-dreams.de> 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.
Did it work?
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