Re: [PATCH v11 2/2] spi: loongson: add bus driver for the loongson spi controller

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On Thu, May 25, 2023 at 6:34 AM zhuyinbo <zhuyinbo@xxxxxxxxxxx> wrote:
> 在 2023/5/24 下午4:42, Andy Shevchenko 写道:
> > On Wed, May 24, 2023 at 10:52 AM zhuyinbo <zhuyinbo@xxxxxxxxxxx> wrote:
> >> 在 2023/5/23 下午8:54, andy.shevchenko@xxxxxxxxx 写道:
> >>> Mon, May 22, 2023 at 03:10:30PM +0800, Yinbo Zhu kirjoitti:

...

> >>>> +    ret = loongson_spi_init_master(dev, reg_base);
> >>>> +    if (ret)
> >>>> +            return dev_err_probe(dev, ret, "failed to initialize master\n");
> >>>> +
> >>>> +    return ret;
> >>>
> >>>        return 0;
> >>
> >> It seems was more appropriate that initialize ret then return ret.
> >> Do you think so ?
> >
> > What do you mean and how does it help here?
>
> I'm sorry, I was wrong before and the ret varible seems not to be
> initialized and it always record the return value for
> loongson_spi_init_master.
>
> It seems was appropriate that use "return ret" and I don't got your
> point that in probe for use "return 0"

In the above excerpt you will return anything except 0 with return
dev_err_probe(); line. Why do you still need to return ret; at the end
of the function?

-- 
With Best Regards,
Andy Shevchenko




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