From: zhuyinbo <zhuyinbo@loongson.cn>
To: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Mark Brown <broonie@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
linux-spi@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, Jianmin Lv <lvjianmin@loongson.cn>,
wanghongliang@loongson.cn, Liu Peibao <liupeibao@loongson.cn>,
loongson-kernel@lists.loongnix.cn, zhuyinbo@loongson.cn
Subject: Re: [PATCH v11 2/2] spi: loongson: add bus driver for the loongson spi controller
Date: Thu, 25 May 2023 17:28:36 +0800 [thread overview]
Message-ID: <889235d3-a5a2-417d-dc47-dbcf543c8549@loongson.cn> (raw)
In-Reply-To: <CAHp75VdMSM7VMFn8BDJpx2PJOR8DJtP0GF=sTECnMhz+MoSJ=Q@mail.gmail.com>
在 2023/5/25 下午5:16, Andy Shevchenko 写道:
> On Thu, May 25, 2023 at 6:34 AM zhuyinbo <zhuyinbo@loongson.cn> wrote:
>> 在 2023/5/24 下午4:42, Andy Shevchenko 写道:
>>> On Wed, May 24, 2023 at 10:52 AM zhuyinbo <zhuyinbo@loongson.cn> wrote:
>>>> 在 2023/5/23 下午8:54, andy.shevchenko@gmail.com 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?
I'm sorry, I misread it and you are right and I will "return 0".
Thanks,
Yinbo.
next prev parent reply other threads:[~2023-05-25 9:28 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-22 7:10 [PATCH v11 0/2] spi: loongson: add bus driver for the loongson spi Yinbo Zhu
2023-05-22 7:10 ` [PATCH v11 1/2] dt-bindings: spi: add " Yinbo Zhu
2023-05-24 8:56 ` Conor Dooley
2023-05-24 9:44 ` zhuyinbo
2023-05-24 10:29 ` Conor Dooley
2023-05-25 2:22 ` zhuyinbo
[not found] ` <2196dd29-93ee-00f7-65b4-ede73aa8ba77@linaro.org>
2023-06-01 9:51 ` zhuyinbo
2023-06-01 15:30 ` Krzysztof Kozlowski
2023-06-02 6:46 ` zhuyinbo
[not found] ` <69d355ff-90e1-09d2-d4ff-0d7dedc8addb@linaro.org>
2023-06-01 11:38 ` zhuyinbo
2023-05-22 7:10 ` [PATCH v11 2/2] spi: loongson: add bus driver for the loongson spi controller Yinbo Zhu
2023-05-23 12:54 ` andy.shevchenko
2023-05-24 7:52 ` zhuyinbo
2023-05-24 8:42 ` Andy Shevchenko
2023-05-24 10:19 ` Mark Brown
2023-05-25 3:34 ` zhuyinbo
2023-05-25 9:16 ` Andy Shevchenko
2023-05-25 9:28 ` zhuyinbo [this message]
2023-05-22 10:34 ` [PATCH v11 0/2] spi: loongson: add bus driver for the loongson spi Mark Brown
2023-05-22 11:44 ` zhuyinbo
2023-05-22 11:56 ` Mark Brown
2023-05-22 13:07 ` zhuyinbo
2023-05-22 13:10 ` Mark Brown
2023-05-23 2:08 ` zhuyinbo
2023-05-23 9:57 ` Mark Brown
2023-05-23 11:01 ` zhuyinbo
2023-07-31 19:57 ` Mark Brown
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