linux-kernel - Re: [PATCH] coresight: syscfg: fix compiler warnings

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Date:   Thu, 26 Aug 2021 09:30:07 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Doug Anderson <dianders@...omium.org>,
        Jian Cai <jiancai@...gle.com>
Cc:     Mike Leach <mike.leach@...aro.org>,
        Matthias Kaehlcke <mka@...omium.org>,
        Manoj Gupta <manojgupta@...gle.com>,
        Luis Lozano <llozano@...gle.com>, coresight@...ts.linaro.org,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Leo Yan <leo.yan@...aro.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] coresight: syscfg: fix compiler warnings

On 8/26/21 9:19 AM, Doug Anderson wrote:
> Hi,
> 
> On Wed, Aug 25, 2021 at 3:25 PM Jian Cai <jiancai@...gle.com> wrote:
>>
>> This fixes warnings with -Wimplicit-function-declaration, e.g.
>>
>> ^[[1m/mnt/host/source/src/third_party/kernel/v5.4/drivers/hwtracing/coresight/coresight-syscfg.c:455:15: ^[[0m^[[0;1;31merror: ^[[0m^[[1mimplicit declaration of function 'kzalloc' [-Werror,-Wimplicit-function-declaration]^[[0m
>>          csdev_item = kzalloc(sizeof(struct cscfg_registered_csdev), GFP_KERNEL);
>> ^[[0;1;32m                     ^
>>
>> Signed-off-by: Jian Cai <jiancai@...gle.com>
>> ---
>>   drivers/hwtracing/coresight/coresight-syscfg.c | 1 +
>>   1 file changed, 1 insertion(+)
> 
> Can you figure out which patch introduced these warnings and add a "Fixes" tag?
> 

Assuming the SHA is stable, that would be commit 85e2414c518a
("coresight: syscfg: Initial coresight system configuration")

Guenter