Messages in this thread | | | Date | Sun, 22 Mar 2020 15:30:04 +0100 | From | Wolfram Sang <> | Subject | Re: [PATCH v3] i2c: at91: support atomic write xfer |
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> + /* FIXME: only single write request supported to 7-bit addr */
Hmm, this is quite limited. Would it be very hard to support multiple messages? Or reads? 10 bits don't matter.
> + if (!dev->pdata->has_alt_cmd) > + return -EOPNOTSUPP;
We should handle this in probe(), I think:
if (dev->pdata->has_alt_cmd) at91_twi_algorithm.master_xfer_atomic = at91_twi_xfer_atomic;
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