[PATCH] i2c: bcm2835: Avoid clock stretching timeouts

[eric@anholt.net (Eric Anholt)]

Stefan Wahren <stefan.wahren@i2se.com> writes:

> From: Eric Anholt <eric@anholt.net>
>
> The CLKT register contains at poweron 0x40, which at our typical 100kHz
> bus rate means .64ms. But there is no specified limit to how long devices
> should be able to stretch the clocks, so just disable the timeout. We
> still have a timeout wrapping the entire transfer.
>
> Signed-off-by: Eric Anholt <eric@anholt.net>
> Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
> ---
> Hi,
> just like "i2c: bcm2835: Set up the rising/falling edge delays" this is a
> outstanding bugfix. Unfortunately i only have I2C slaves, which doesn't
> stretch the clock. So test feedback is very welcome.

I also didn't have any particular devices that this fixed.  It was just
an issue that came up in a previous discussion of clock stretching.
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