Re: [PATCH] i2c: designware: prevent early stop on TX FIFO empty
From: Wolfram Sang
Date: Fri Nov 21 2014 - 02:04:49 EST
On Fri, Nov 07, 2014 at 12:10:44PM +0000, Andrew Jackson wrote:
> If the Designware core is configured with IC_EMPTYFIFO_HOLD_MASTER_EN
> set to zero, allowing the TX FIFO to become empty causes a STOP
> condition to be generated on the I2C bus. If the transmit FIFO
> threshold is set too high, an erroneous STOP condition can be
> generated on long transfers - particularly where the interrupt
> latency is extended.
> Signed-off-by: Andrew Jackson <Andrew.Jackson@xxxxxxx>
> Signed-off-by: Liviu Dudau <Liviu.Dudau@xxxxxxx>
Applied to for-current, thanks!
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