[PATCH v4 1/2] i2c: aspeed: Handle the coalesced stop conditions with the start conditions.

Wolfram Sang wsa at kernel.org
Tue Dec 19 12:55:58 PST 2023


On Mon, Dec 11, 2023 at 05:22:16PM +0700, Quan Nguyen wrote:
> Some masters may drive the transfers with low enough latency between
> the nak/stop phase of the current command and the start/address phase
> of the following command that the interrupts are coalesced by the
> time we process them.
> Handle the stop conditions before processing SLAVE_MATCH to fix the
> complaints that sometimes occur below.
> 
> "aspeed-i2c-bus 1e78a040.i2c-bus: irq handled != irq. Expected
> 0x00000086, but was 0x00000084"
> 
> Fixes: f9eb91350bb2 ("i2c: aspeed: added slave support for Aspeed I2C driver")
> Signed-off-by: Quan Nguyen <quan at os.amperecomputing.com>
> Reviewed-by: Andrew Jeffery <andrew at codeconstruct.com.au>
> Reviewed-by: Andi Shyti <andi.shyti at kernel.org>

Applied to for-current, thanks!

I'll wait with patch 2. It seems there are issues to be solved before.

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