linux-kernel - Re: [PATCH 2/3] thermal: rockchip: improve conversion error messages

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Date:   Tue, 22 Nov 2016 15:57:16 +0800
From:   Zhang Rui <rui.zhang@...el.com>
To:     Caesar Wang <caesar.upstream@...il.com>,
        Caesar Wang <wxt@...k-chips.com>,
        Brian Norris <briannorris@...omium.org>,
        Eduardo Valentin <edubezval@...il.com>
Cc:     Heiko Stuebner <heiko@...ech.de>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Stephen Barber <smbarber@...omium.org>,
        linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH 2/3] thermal: rockchip: improve conversion error messages

On Tue, 2016-11-22 at 09:51 +0800, Caesar Wang wrote:
> 在 2016年11月19日 11:31, Caesar Wang 写道:
> > 
> > Brian,
> > 
> > 在 2016年11月19日 07:52, Brian Norris 写道:
> > > 
> > > These error messages don't give much information about what went
> > > wrong.
> > > It would be nice, for one, to see what invalid temperature was
> > > being
> > > requested when conversion fails. It's also good to return an
> > > error when
> > > we can't handle a conversion properly.
> > > 
> > > While we're at it, fix the grammar too.
> > > 
> > > Signed-off-by: Brian Norris <briannorris@...omium.org>
> > > ---
> > > Note: it'd probably be even nicer to know which sensor this was,
> > > but 
> > > we've
> > > kinda abstracted that one away by this point...
> > > 
> > >   drivers/thermal/rockchip_thermal.c | 7 +++++--
> > >   1 file changed, 5 insertions(+), 2 deletions(-)
> > > 
> > > diff --git a/drivers/thermal/rockchip_thermal.c 
> > > b/drivers/thermal/rockchip_thermal.c
> > > index e227a9f0acf7..35554d146b9d 100644
> > > --- a/drivers/thermal/rockchip_thermal.c
> > > +++ b/drivers/thermal/rockchip_thermal.c
> > > @@ -424,7 +424,8 @@ static u32 rk_tsadcv2_temp_to_code(struct 
> > > chip_tsadc_table table,
> > >       }
> > >     exit:
> > > -    pr_err("Invalid the conversion, error=%d\n", error);
> > > +    pr_err("%s: invalid temperature, temp=%d error=%d\n",
> > > +        __func__, temp, error);
> > I have do some similar for rockchip inside thermal driver.  Forget
> > to 
> > send for upstream. :(
> > exit:
> >     pr_err("%s: Invalid conversion table: code=%d,
> > temperature=%d\n",
> >            __func__, error, temp);
> > 
> > > 
> > >       return error;
> > >   }
> > >   @@ -475,7 +476,9 @@ static int rk_tsadcv2_code_to_temp(struct 
> > > chip_tsadc_table table, u32 code,
> > >           }
> > >           break;
> > >       default:
> > > -        pr_err("Invalid the conversion table\n");
> > > +        pr_err("%s: invalid conversion table, mode=%d\n",
> > > +            __func__, table.mode);
> > > +        return -EINVAL;
> CHECK: Alignment should match open parenthesis
> #428: FILE: drivers/thermal/rockchip_thermal.c:428:
> +    pr_err("%s: invalid temperature, temp=%d error=%d\n",
> +        __func__, temp, error);
> 
> CHECK: Alignment should match open parenthesis
> #480: FILE: drivers/thermal/rockchip_thermal.c:480:
> +        pr_err("%s: invalid conversion table, mode=%d\n",
> +            __func__, table->mode);
> 
> 
> I'm ready to resend all rockchip thermal patches. (contain them)
> 
so I will ignore patch 2/3 and 3/3 for now and wait for your new patch
set.

thanks,
rui
> > 
> > > 
> > >       }
> > >         /*
> > 
> > 
> > _______________________________________________
> > Linux-rockchip mailing list
> > Linux-rockchip@...ts.infradead.org
> > http://lists.infradead.org/mailman/listinfo/linux-rockchip

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