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Message-ID: <f5d17990-ec36-e930-be33-e2566b9c0593@quicinc.com>
Date:   Wed, 7 Sep 2022 09:56:16 -0700
From:   Jeff Johnson <quic_jjohnson@...cinc.com>
To:     Manivannan Sadhasivam <mani@...nel.org>,
        kernel test robot <lkp@...el.com>
CC:     <kbuild-all@...ts.01.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [mani-mhi:mhi-next 2/3]
 drivers/bus/mhi/host/pci_generic.c:734:60: error: assignment of member 'irq'
 in read-only object

On 9/7/2022 9:45 AM, Manivannan Sadhasivam wrote:
> On Wed, Sep 07, 2022 at 09:47:42PM +0800, kernel test robot wrote:
>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi.git mhi-next
>> head:   0a3b31f6259f4849e4e93731d4c8d7910be072a7
>> commit: 4a98958ca237a4b7974ea1ec2092b3666bdd26ab [2/3] bus: mhi: host: make mhi_controller_config::event_cfg const
>> config: i386-randconfig-a001 (https://download.01.org/0day-ci/archive/20220907/202209072144.lWoBySRH-lkp@intel.com/config)
>> compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
>> reproduce (this is a W=1 build):
>>          # https://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi.git/commit/?id=4a98958ca237a4b7974ea1ec2092b3666bdd26ab
>>          git remote add mani-mhi https://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi.git
>>          git fetch --no-tags mani-mhi mhi-next
>>          git checkout 4a98958ca237a4b7974ea1ec2092b3666bdd26ab
>>          # save the config file
>>          mkdir build_dir && cp config build_dir/.config
>>          make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
>>
>> If you fix the issue, kindly add following tag where applicable
>> Reported-by: kernel test robot <lkp@...el.com>
>>
>> All errors (new ones prefixed by >>):
>>
>>     drivers/bus/mhi/host/pci_generic.c: In function 'mhi_pci_get_irqs':
>>>> drivers/bus/mhi/host/pci_generic.c:734:60: error: assignment of member 'irq' in read-only object
>>       734 |                         mhi_cntrl_config->event_cfg[i].irq = 0;
> 
> Ah, so this is why I didn't make it constant in the first place...
> Dropped the patch now.
> 
> Thanks,
> Mani

I believe it should be const in the MHI config, but in this case the 
declaration in drivers/bus/mhi/host/pci_generic.c can't be const.

Let me respin the patch with this in mind.

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