[PATCH] i2c-imx.c: Synthesize end of transaction events without idle interrupts

[Wolfram Sang]

On Thu, Jan 14, 2021 at 05:27:11PM -0800, Kevin Herbert wrote:
> The loop sends either one or two events to the slave driver. If the
> state is I2C_SLAVE_READ_REQUESTED, we synthesize the
> I2C_SLAVE_READ_PROCESSED event, and then our state becomes
> I2C_SLAVE_READ_PROCESSED. In all other states, we transition to
> I2C_SLAVE_STOP and exit the loop.
> 
> It is not a busy loop at all. It is calling the callback handler (that
> already expects to be in IRQ context) one or two times, and then it
> exits the loop.

Oleksij, does this answer your question?

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: not available
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20210128/0ddb6215/attachment.sig>