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Sender: Guenter Roeck <groeck7@gmail.com>
Date:   Thu, 26 Aug 2021 08:49:03 -0700
From:   Guenter Roeck <linux@roeck-us.net>
To:     Jian Cai <jiancai@google.com>
Cc:     mike.leach@linaro.org, dianders@chromium.org, mka@chromium.org,
        manojgupta@google.com, llozano@google.com,
        coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org,
        clang-built-linux@googlegroups.com,
        Mathieu Poirier <mathieu.poirier@linaro.org>,
        Suzuki K Poulose <suzuki.poulose@arm.com>,
        Leo Yan <leo.yan@linaro.org>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] coresight: syscfg: fix compiler warnings
Message-ID: <20210826154903.GA4082743@roeck-us.net>
References: <20210825222514.2107728-1-jiancai@google.com>
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On Wed, Aug 25, 2021 at 03:25:14PM -0700, Jian Cai 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                     ^

You might want to split this into multiple lines and remove the ANSI
escape codes. Otherwise

Reviewed-by: Guenter Roeck <linux@roeck-us.net>

Guenter

> 
> Signed-off-by: Jian Cai <jiancai@google.com>
> ---
>  drivers/hwtracing/coresight/coresight-syscfg.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/hwtracing/coresight/coresight-syscfg.c b/drivers/hwtracing/coresight/coresight-syscfg.c
> index fc0760f55c53..43054568430f 100644
> --- a/drivers/hwtracing/coresight/coresight-syscfg.c
> +++ b/drivers/hwtracing/coresight/coresight-syscfg.c
> @@ -5,6 +5,7 @@
>   */
>  
>  #include <linux/platform_device.h>
> +#include <linux/slab.h>
>  
>  #include "coresight-config.h"
>  #include "coresight-etm-perf.h"
> -- 
> 2.33.0.259.gc128427fd7-goog
>