Re: [PATCH v3 1/2] remoteproc: qcom: Add per subsystem SSR notification

[kbuild test robot <lkp@intel.com>]

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Hi Rishabh,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.7-rc3 next-20200428]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Rishabh-Bhatnagar/Extend-SSR-notifications-framework/20200429-071958
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 96c9a7802af7d500a582d89a8b864584fe878c1b
config: arm64-defconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>

All error/warnings (new ones prefixed by >>):

   drivers/soc/qcom/glink_ssr.c: In function 'qcom_glink_ssr_probe':
>> drivers/soc/qcom/glink_ssr.c:128:36: error: passing argument 1 of 'qcom_register_ssr_notifier' from incompatible pointer type [-Werror=incompatible-pointer-types]
     128 |  return qcom_register_ssr_notifier(&ssr->nb);
         |                                    ^~~~~~~~
         |                                    |
         |                                    struct notifier_block *
   In file included from drivers/soc/qcom/glink_ssr.c:11:
   include/linux/remoteproc/qcom_rproc.h:13:7: note: expected 'const char *' but argument is of type 'struct notifier_block *'
      13 | void *qcom_register_ssr_notifier(const char *name, struct notifier_block *nb);
         |       ^~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/soc/qcom/glink_ssr.c:128:9: error: too few arguments to function 'qcom_register_ssr_notifier'
     128 |  return qcom_register_ssr_notifier(&ssr->nb);
         |         ^~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/soc/qcom/glink_ssr.c:11:
   include/linux/remoteproc/qcom_rproc.h:13:7: note: declared here
      13 | void *qcom_register_ssr_notifier(const char *name, struct notifier_block *nb);
         |       ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/soc/qcom/glink_ssr.c: In function 'qcom_glink_ssr_remove':
>> drivers/soc/qcom/glink_ssr.c:135:2: error: too few arguments to function 'qcom_unregister_ssr_notifier'
     135 |  qcom_unregister_ssr_notifier(&ssr->nb);
         |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/soc/qcom/glink_ssr.c:11:
   include/linux/remoteproc/qcom_rproc.h:14:5: note: declared here
      14 | int qcom_unregister_ssr_notifier(void *notify, struct notifier_block *nb);
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/soc/qcom/glink_ssr.c: In function 'qcom_glink_ssr_probe':
>> drivers/soc/qcom/glink_ssr.c:129:1: warning: control reaches end of non-void function [-Wreturn-type]
     129 | }
         | ^
   cc1: some warnings being treated as errors

vim +/qcom_register_ssr_notifier +128 drivers/soc/qcom/glink_ssr.c

c4d77d5fcd8bae Bjorn Andersson 2017-07-24  111  
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  112  static int qcom_glink_ssr_probe(struct rpmsg_device *rpdev)
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  113  {
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  114  	struct glink_ssr *ssr;
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  115  
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  116  	ssr = devm_kzalloc(&rpdev->dev, sizeof(*ssr), GFP_KERNEL);
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  117  	if (!ssr)
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  118  		return -ENOMEM;
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  119  
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  120  	init_completion(&ssr->completion);
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  121  
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  122  	ssr->dev = &rpdev->dev;
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  123  	ssr->ept = rpdev->ept;
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  124  	ssr->nb.notifier_call = qcom_glink_ssr_notify;
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  125  
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  126  	dev_set_drvdata(&rpdev->dev, ssr);
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  127  
c4d77d5fcd8bae Bjorn Andersson 2017-07-24 @128  	return qcom_register_ssr_notifier(&ssr->nb);
c4d77d5fcd8bae Bjorn Andersson 2017-07-24 @129  }
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  130  
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  131  static void qcom_glink_ssr_remove(struct rpmsg_device *rpdev)
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  132  {
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  133  	struct glink_ssr *ssr = dev_get_drvdata(&rpdev->dev);
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  134  
c4d77d5fcd8bae Bjorn Andersson 2017-07-24 @135  	qcom_unregister_ssr_notifier(&ssr->nb);
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  136  }
c4d77d5fcd8bae Bjorn Andersson 2017-07-24  137  

:::::: The code at line 128 was first introduced by commit
:::::: c4d77d5fcd8baefb358ae921b940e9bbd09a751e soc: qcom: GLINK SSR notifier

:::::: TO: Bjorn Andersson <bjorn.andersson@linaro.org>
:::::: CC: Bjorn Andersson <bjorn.andersson@linaro.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
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