[mingo-tip:sched/headers 2193/2356] drivers/crypto/qat/qat_common/adf_gen4_pm.c:99:17: warning: assignment to 'struct adf_gen4_pm_data *' from 'int' makes pointer from integer without a cast

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

tree:   git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers
head:   af93551cf39027d176f30b9beafc60a4c130998a
commit: f2ce8327351a044882fbafa2cad2f9c3688414b4 [2193/2356] headers/deps: pci/x86: Optimize <asm/pci.h> dependencies
config: x86_64-randconfig-a006-20220418 (https://download.01.org/0day-ci/archive/20220419/202204191448.K7JF5bcS-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-19) 11.2.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git/commit/?id=f2ce8327351a044882fbafa2cad2f9c3688414b4
        git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git
        git fetch --no-tags mingo-tip sched/headers
        git checkout f2ce8327351a044882fbafa2cad2f9c3688414b4
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/bus/mhi/host/ drivers/crypto/qat/qat_common/

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

All warnings (new ones prefixed by >>):

   drivers/crypto/qat/qat_common/adf_gen4_pm.c: In function 'pm_bh_handler':
   drivers/crypto/qat/qat_common/adf_gen4_pm.c:72:9: error: implicit declaration of function 'kfree'; did you mean 'vfree'? [-Werror=implicit-function-declaration]
      72 |         kfree(pm_data);
         |         ^~~~~
         |         vfree
   drivers/crypto/qat/qat_common/adf_gen4_pm.c: In function 'adf_gen4_handle_pm_interrupt':
   drivers/crypto/qat/qat_common/adf_gen4_pm.c:99:19: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'? [-Werror=implicit-function-declaration]
      99 |         pm_data = kzalloc(sizeof(*pm_data), GFP_ATOMIC);
         |                   ^~~~~~~
         |                   vzalloc
>> drivers/crypto/qat/qat_common/adf_gen4_pm.c:99:17: warning: assignment to 'struct adf_gen4_pm_data *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
      99 |         pm_data = kzalloc(sizeof(*pm_data), GFP_ATOMIC);
         |                 ^
   cc1: some warnings being treated as errors


vim +99 drivers/crypto/qat/qat_common/adf_gen4_pm.c

e5745f34113b75 Wojciech Ziemba 2022-02-10   74  
e5745f34113b75 Wojciech Ziemba 2022-02-10   75  bool adf_gen4_handle_pm_interrupt(struct adf_accel_dev *accel_dev)
e5745f34113b75 Wojciech Ziemba 2022-02-10   76  {
e5745f34113b75 Wojciech Ziemba 2022-02-10   77  	void __iomem *pmisc = adf_get_pmisc_base(accel_dev);
e5745f34113b75 Wojciech Ziemba 2022-02-10   78  	struct adf_gen4_pm_data *pm_data = NULL;
e5745f34113b75 Wojciech Ziemba 2022-02-10   79  	u32 errsou2;
e5745f34113b75 Wojciech Ziemba 2022-02-10   80  	u32 errmsk2;
e5745f34113b75 Wojciech Ziemba 2022-02-10   81  	u32 val;
e5745f34113b75 Wojciech Ziemba 2022-02-10   82  
e5745f34113b75 Wojciech Ziemba 2022-02-10   83  	/* Only handle the interrupt triggered by PM */
e5745f34113b75 Wojciech Ziemba 2022-02-10   84  	errmsk2 = ADF_CSR_RD(pmisc, ADF_GEN4_ERRMSK2);
e5745f34113b75 Wojciech Ziemba 2022-02-10   85  	if (errmsk2 & ADF_GEN4_PM_SOU)
e5745f34113b75 Wojciech Ziemba 2022-02-10   86  		return false;
e5745f34113b75 Wojciech Ziemba 2022-02-10   87  
e5745f34113b75 Wojciech Ziemba 2022-02-10   88  	errsou2 = ADF_CSR_RD(pmisc, ADF_GEN4_ERRSOU2);
e5745f34113b75 Wojciech Ziemba 2022-02-10   89  	if (!(errsou2 & ADF_GEN4_PM_SOU))
e5745f34113b75 Wojciech Ziemba 2022-02-10   90  		return false;
e5745f34113b75 Wojciech Ziemba 2022-02-10   91  
e5745f34113b75 Wojciech Ziemba 2022-02-10   92  	/* Disable interrupt */
e5745f34113b75 Wojciech Ziemba 2022-02-10   93  	val = ADF_CSR_RD(pmisc, ADF_GEN4_ERRMSK2);
e5745f34113b75 Wojciech Ziemba 2022-02-10   94  	val |= ADF_GEN4_PM_SOU;
e5745f34113b75 Wojciech Ziemba 2022-02-10   95  	ADF_CSR_WR(pmisc, ADF_GEN4_ERRMSK2, val);
e5745f34113b75 Wojciech Ziemba 2022-02-10   96  
e5745f34113b75 Wojciech Ziemba 2022-02-10   97  	val = ADF_CSR_RD(pmisc, ADF_GEN4_PM_INTERRUPT);
e5745f34113b75 Wojciech Ziemba 2022-02-10   98  
e5745f34113b75 Wojciech Ziemba 2022-02-10  @99  	pm_data = kzalloc(sizeof(*pm_data), GFP_ATOMIC);
e5745f34113b75 Wojciech Ziemba 2022-02-10  100  	if (!pm_data)
e5745f34113b75 Wojciech Ziemba 2022-02-10  101  		return false;
e5745f34113b75 Wojciech Ziemba 2022-02-10  102  
e5745f34113b75 Wojciech Ziemba 2022-02-10  103  	pm_data->pm_int_sts = val;
e5745f34113b75 Wojciech Ziemba 2022-02-10  104  	pm_data->accel_dev = accel_dev;
e5745f34113b75 Wojciech Ziemba 2022-02-10  105  
e5745f34113b75 Wojciech Ziemba 2022-02-10  106  	INIT_WORK(&pm_data->pm_irq_work, pm_bh_handler);
e5745f34113b75 Wojciech Ziemba 2022-02-10  107  	adf_misc_wq_queue_work(&pm_data->pm_irq_work);
e5745f34113b75 Wojciech Ziemba 2022-02-10  108  
e5745f34113b75 Wojciech Ziemba 2022-02-10  109  	return true;
e5745f34113b75 Wojciech Ziemba 2022-02-10  110  }
e5745f34113b75 Wojciech Ziemba 2022-02-10  111  EXPORT_SYMBOL_GPL(adf_gen4_handle_pm_interrupt);
e5745f34113b75 Wojciech Ziemba 2022-02-10  112  

:::::: The code at line 99 was first introduced by commit
:::::: e5745f34113b758b45d134dec04a7df94dc67131 crypto: qat - enable power management for QAT GEN4

:::::: TO: Wojciech Ziemba <wojciech.ziemba@intel.com>
:::::: CC: Herbert Xu <herbert@gondor.apana.org.au>

-- 
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