Re: [PATCH v5 2/8] i2c: iproc: Add slave mode support

Wolfram Sang
2019-03-27T22:41:56Z

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> > + /* flush TX/RX FIFOs */
> > + val = (BIT(S_FIFO_RX_FLUSH_SHIFT) | BIT(S_FIFO_TX_FLUSH_SHIFT));
> > + writel(val, iproc_i2c->base + S_FIFO_CTRL_OFFSET);
>
> Will flushing FIFOs work when a slave is register while a master
> transfer is on-going at the same time?

Sorry, my bad, this can't happen. Registering a slave is protected by
the adapter lock.

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