linux-kernel - Re: [PATCH] crypto: hisilicon/hpre

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Date:   Fri, 2 Apr 2021 16:24:43 +0800
From:   tanghui20 <tanghui20@...wei.com>
To:     Herbert Xu <herbert@...dor.apana.org.au>
CC:     <davem@...emloft.net>, <linux-crypto@...r.kernel.org>,
        <xuzaibo@...wei.com>, <wangzhou1@...ilicon.com>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] crypto: hisilicon/hpre - delete redundant log



On 2021/4/2 15:19, Herbert Xu wrote:
> On Sat, Mar 27, 2021 at 04:32:26PM +0800, Hui Tang wrote:
>> 'hpre_cfg_by_dsm' has checked and printed error path, so it is not
>> necessary at all.
>>
>> Signed-off-by: Hui Tang <tanghui20@...wei.com>
>> ---
>>  drivers/crypto/hisilicon/hpre/hpre_main.c | 5 +----
>>  1 file changed, 1 insertion(+), 4 deletions(-)
>>
>> diff --git a/drivers/crypto/hisilicon/hpre/hpre_main.c b/drivers/crypto/hisilicon/hpre/hpre_main.c
>> index 8aae921..73ee997 100644
>> --- a/drivers/crypto/hisilicon/hpre/hpre_main.c
>> +++ b/drivers/crypto/hisilicon/hpre/hpre_main.c
>> @@ -384,10 +384,7 @@ static int hpre_set_user_domain_and_cache(struct hisi_qm *qm)
>>
>>  	/* This setting is only needed by Kunpeng 920. */
>>  	if (qm->ver == QM_HW_V2) {
>> -		ret = hpre_cfg_by_dsm(qm);
>> -		if (ret)
>> -			dev_err(dev, "acpi_evaluate_dsm err.\n");
>> -
>> +		hpre_cfg_by_dsm(qm);
>>  		disable_flr_of_bme(qm);
>>  	}
>
> If the return value is non-zero you've just changed what this code
> does from returning non-zero to returning zero.  Are you sure about
> this?

I am sorry, it should return error immediately when return value of 'hpre_cfg_by_dsm' is non-zero,
and I will fix it in the next version.