linux-kernel - Re: [PATCH 3/7] coresight: etm4x: Drop pid argument from etm4

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Message-ID: <f4f20cb2-de05-fbde-172e-03fa3ed7b390@arm.com>
Date:   Mon, 20 Mar 2023 08:24:14 +0530
From:   Anshuman Khandual <anshuman.khandual@....com>
To:     kernel test robot <lkp@...el.com>,
        linux-arm-kernel@...ts.infradead.org, coresight@...ts.linaro.org,
        suzuki.poulose@....com
Cc:     oe-kbuild-all@...ts.linux.dev, scclevenger@...amperecomputing.com,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>,
        Sudeep Holla <sudeep.holla@....com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Mike Leach <mike.leach@...aro.org>,
        Leo Yan <leo.yan@...aro.org>, devicetree@...r.kernel.org,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/7] coresight: etm4x: Drop pid argument from etm4_probe()



On 3/18/23 13:51, kernel test robot wrote:
> Hi Anshuman,
> 
> Thank you for the patch! Perhaps something to improve:
> 
> [auto build test WARNING on robh/for-next]
> [also build test WARNING on soc/for-next rafael-pm/linux-next linus/master v6.3-rc2 next-20230317]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Anshuman-Khandual/coresight-etm4x-Allocate-and-device-assign-struct-etmv4_drvdata-earlier/20230317-110755
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
> patch link:    https://lore.kernel.org/r/20230317030501.1811905-4-anshuman.khandual%40arm.com
> patch subject: [PATCH 3/7] coresight: etm4x: Drop pid argument from etm4_probe()
> config: arm64-randconfig-r021-20230312 (https://download.01.org/0day-ci/archive/20230318/202303181632.wBUDE5wa-lkp@intel.com/config)
> compiler: aarch64-linux-gcc (GCC) 12.1.0
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # https://github.com/intel-lab-lkp/linux/commit/39e224e4248f0f7b2c59b97c12a12f8343ab900e
>         git remote add linux-review https://github.com/intel-lab-lkp/linux
>         git fetch --no-tags linux-review Anshuman-Khandual/coresight-etm4x-Allocate-and-device-assign-struct-etmv4_drvdata-earlier/20230317-110755
>         git checkout 39e224e4248f0f7b2c59b97c12a12f8343ab900e
>         # save the config file
>         mkdir build_dir && cp config build_dir/.config
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 olddefconfig
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/hwtracing/coresight/
> 
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@...el.com>
> | Link: https://lore.kernel.org/oe-kbuild-all/202303181632.wBUDE5wa-lkp@intel.com/
> 
> All warnings (new ones prefixed by >>):
> 
>    drivers/hwtracing/coresight/coresight-etm4x-core.c: In function 'etm4_init_arch_data':
>>> drivers/hwtracing/coresight/coresight-etm4x-core.c:1169:43: warning: passing argument 2 of 'etm4_check_arch_features' makes integer from pointer without a cast [-Wint-conversion]
>     1169 |         etm4_check_arch_features(drvdata, csa);
>          |                                           ^~~
>          |                                           |
>          |                                           struct csdev_access *
>    drivers/hwtracing/coresight/coresight-etm4x-core.c:389:51: note: expected 'unsigned int' but argument is of type 'struct csdev_access *'
>      389 |                                      unsigned int id)
>          |                                      ~~~~~~~~~~~~~^~

Fallback stub's signature also needs an update. I will fold this change in next series.

--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -388,7 +388,7 @@ static void etm4_disable_arch_specific(struct etmv4_drvdata *drvdata)
 }
 
 static void etm4_check_arch_features(struct etmv4_drvdata *drvdata,
-                                    unsigned int id)
+                                    struct csdev_access *csa)
 {
 }
 #endif /* CONFIG_ETM4X_IMPDEF_FEATURE */