Hi Sricharan,
On Thu, 2015-07-09 at 08:55 +0530, Sricharan R wrote:
>
> static int qup_i2c_read_one(struct qup_i2c_dev *qup, struct i2c_msg *msg)
> {
> - unsigned long left;
> - int ret;
> + int ret = 0;
>
> - qup->msg = msg;
> - qup->pos = 0;
> + /*
> + * The QUP block will issue a NACK and STOP on the bus when reaching
> + * the end of the read, the length of the read is specified as one byte
> + * which limits the possible read to 256 (QUP_READ_LIMIT) bytes.
> + */
> + if (msg->len > QUP_READ_LIMIT) {
> + dev_err(qup->dev, "HW not capable of reads over %d bytes\n",
> + QUP_READ_LIMIT);
> + return -EINVAL;
> + }
>
This should be removed. Please see qup_i2c_quirks.
Regards,
Ivan
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