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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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