Re: [Patch v5 5/8] firmware: qcom: scm: Convert to streaming DMA APIS

From: Andy Gross
Date: Mon May 16 2016 - 01:08:22 EST


On Fri, May 13, 2016 at 04:48:52PM -0700, Bjorn Andersson wrote:
> > + cmd->len = cpu_to_le32(alloc_len);
> > + cmd->buf_offset = cpu_to_le32(sizeof(*cmd));
> > + cmd->resp_hdr_offset = cpu_to_le32(sizeof(*cmd) + cmd_len);
> > +
> > cmd->id = cpu_to_le32((svc_id << 10) | cmd_id);
> > if (cmd_buf)
> > - memcpy(qcom_scm_get_command_buffer(cmd), cmd_buf, cmd_len);
> > + memcpy(cmd->buf, cmd_buf, cmd_len);
> > +
> > + rsp = (void *)cmd->buf + le32_to_cpu(cmd->resp_hdr_offset);
>
> I believe resp_hdr_offset counts from the beginning of the buffer and
> that this therefor is supposed to be:
>
> rsp = (void *)cmd + le32_to_cpu(cmd->resp_hdr_offset);
>
> With that corrected, feel free to add:
>
> Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>

I'll fix that up. Thanks for the review.


Andy