linux-kernel - Re: [PATCH RESEND] usb: dwc3: remove dead code in dwc3_otg_get

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Date:   Tue, 25 Apr 2023 07:29:55 +0800
From:   Dongliang Mu <dzm91@...t.edu.cn>
To:     Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        lihuya <lihuya@...t.edu.cn>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "hust-os-kernel-patches@...glegroups.com" 
        <hust-os-kernel-patches@...glegroups.com>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RESEND] usb: dwc3: remove dead code in dwc3_otg_get_irq


On 2023/4/25 05:33, 'Thinh Nguyen' via HUST OS Kernel Contribution wrote:
> On Mon, Apr 24, 2023, lihuya wrote:
>> platform_get_irq() only return non-zero irq number on success, or
>> negative error number on failure.
>>
>> There is no need to check the return value of platform_get_irq()
>> to determine the return value of dwc3_otg_get_irq(), removing
>> them to solve this problem.
>>
>> Signed-off-by: lihuya <lihuya@...t.edu.cn>
> Is this your full name?

Hi Yuhang,

Please use your full name: Yuhang Liang. This is essential in the kernel 
patch submission.

Dongliang Mu

>
>> ---
>>   drivers/usb/dwc3/drd.c | 5 -----
>>   1 file changed, 5 deletions(-)
>>
>> diff --git a/drivers/usb/dwc3/drd.c b/drivers/usb/dwc3/drd.c
>> index 039bf241769a..c2e09700212d 100644
>> --- a/drivers/usb/dwc3/drd.c
>> +++ b/drivers/usb/dwc3/drd.c
>> @@ -154,11 +154,6 @@ static int dwc3_otg_get_irq(struct dwc3 *dwc)
>>   		goto out;
>>   
>>   	irq = platform_get_irq(dwc3_pdev, 0);
>> -	if (irq > 0)
>> -		goto out;
>> -
>> -	if (!irq)
>> -		irq = -EINVAL;
>>   
>>   out:
>>   	return irq;
>> -- 
>> 2.34.1
>>
> FWIW, here's the ack again.
>
> Acked-by: Thinh Nguyen <Thinh.Nguyen@...opsys.com>
>
> Thanks,
> Thinh
>