Re: [PATCH] i2c: xlp9xx: Fix case where SSIF read transaction completes early

[Wolfram Sang]

> --- a/drivers/i2c/busses/i2c-xlp9xx.c
> +++ b/drivers/i2c/busses/i2c-xlp9xx.c
> @@ -191,28 +191,30 @@ static void xlp9xx_i2c_drain_rx_fifo(struct xlp9xx_i2c_dev *priv)
>  	if (priv->len_recv) {
>  		/* read length byte */
>  		rlen = xlp9xx_read_i2c_reg(priv, XLP9XX_I2C_MRXFIFO);
> +		len--;

I don't know the HW and assume the above line is correct because of
merging two interrupts into one. However, the line looks a bit stray,
and I wonder if we shouldn't add a comment somewhere explaining the
situation similar to the second paragraph of the commit message?

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