Re: [PATCH v2 2/2] i2c: i2c-qcom-geni: Simplify tx/rx functions

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Quoting Doug Anderson (2018-09-20 13:22:37)
> Hi,
> On Thu, Sep 20, 2018 at 11:03 AM Stephen Boyd <swboyd@xxxxxxxxxxxx> wrote:
> >
> > We never really look at the 'ret' local variable in these functions, so
> > let's remove it to make way for shorter and simpler code. Furthermore,
> > we can shorten some lines by adding two local variables for the SE and
> > the message length so that everything fits in 80 columns. And kernel
> > style is to leave the return statement by itself, detached from the rest
> > of the function.
> >
> > Cc: Karthikeyan Ramasubramanian <kramasub@xxxxxxxxxxxxxx>
> > Cc: Sagar Dharia <sdharia@xxxxxxxxxxxxxx>
> > Cc: Girish Mahadevan <girishm@xxxxxxxxxxxxxx>
> > Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
> > ---
> >  drivers/i2c/busses/i2c-qcom-geni.c | 54 ++++++++++++++----------------
> >  1 file changed, 25 insertions(+), 29 deletions(-)
> 
> I didn't hate the old code, but you're right that this looks a little better.
> 
> Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> 
> NOTE: now that you're cleaning it up, I'd personally go even further
> and totally get rid of the "mode" local variable.  Basically, just:
> 
> dma_buf = i2c_get_dma_safe_msg_buf(msg, 32);
> if (dma_buf)
>   geni_se_select_mode(se, GENI_SE_DMA);
> else
>   geni_se_select_mode(se, GENI_SE_FIFO);

Sure that's fine. I'll resend this one patch with that squashed in.





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