[PATCH V4 2/7] qup: i2c: factor out common code for reuse
Sricharan
sricharan at codeaurora.org
Mon Jul 20 23:54:38 PDT 2015
Hi Ivan,
Thnaks for all the reviews.
> -----Original Message-----
> From: linux-arm-msm-owner at vger.kernel.org [mailto:linux-arm-msm-
> owner at vger.kernel.org] On Behalf Of Ivan T. Ivanov
> Sent: Monday, July 20, 2015 1:55 PM
> To: Sricharan R
> Cc: devicetree at vger.kernel.org; linux-arm-msm at vger.kernel.org;
> galak at codeaurora.org; linux-kernel at vger.kernel.org; linux-
> i2c at vger.kernel.org; agross at codeaurora.org; dmaengine at vger.kernel.org;
> linux-arm-kernel at lists.infradead.org
> Subject: Re: [PATCH V4 2/7] qup: i2c: factor out common code for reuse
>
>
> 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.
>
Ok get it, will remove this.
Regards,
Sricharan
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