linux-kernel - Re: drivers/soundwire/bus_type.c:126:30: error: implicit declaration of function 'irq_create_mapping'; did you mean 'irq_dispose

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Message-ID: <20230918120103.GZ103419@ediswmail.ad.cirrus.com>
Date:   Mon, 18 Sep 2023 12:01:03 +0000
From:   Charles Keepax <ckeepax@...nsource.cirrus.com>
To:     Randy Dunlap <rdunlap@...radead.org>
CC:     kernel test robot <lkp@...el.com>,
        Lucas Tanure <tanureal@...nsource.cirrus.com>,
        <oe-kbuild-all@...ts.linux.dev>, <linux-kernel@...r.kernel.org>,
        Lee Jones <lee@...nel.org>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Subject: Re: drivers/soundwire/bus_type.c:126:30: error: implicit declaration
 of function 'irq_create_mapping'; did you mean 'irq_dispose_mapping'?

On Fri, Sep 15, 2023 at 10:14:52PM -0700, Randy Dunlap wrote:
> 
> 
> On 9/14/23 17:26, kernel test robot wrote:
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> > head:   9fdfb15a3dbf818e06be514f4abbfc071004cbe7
> > commit: 12a95123bfe1dd1a6020a35f5e67a560591bb02a soundwire: bus: Allow SoundWire peripherals to register IRQ handlers
> > date:   4 weeks ago
> > config: s390-randconfig-r031-20220110 (https://download.01.org/0day-ci/archive/20230915/202309150820.6zuErL12-lkp@intel.com/config)
> > compiler: s390-linux-gcc (GCC) 11.3.0
> > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230915/202309150820.6zuErL12-lkp@intel.com/reproduce)
> > 
> > If you fix the issue in a separate patch/commit (i.e. not just a new version of
> > the same patch/commit), kindly add following tags
> > | Reported-by: kernel test robot <lkp@...el.com>
> > | Closes: https://lore.kernel.org/oe-kbuild-all/202309150820.6zuErL12-lkp@intel.com/
> > 
> > All errors (new ones prefixed by >>):
> > 
> >    drivers/soundwire/bus_type.c: In function 'sdw_drv_probe':
> >>> drivers/soundwire/bus_type.c:126:30: error: implicit declaration of function 'irq_create_mapping'; did you mean 'irq_dispose_mapping'? [-Werror=implicit-function-declaration]
> >      126 |                 slave->irq = irq_create_mapping(slave->bus->domain, slave->dev_num);
> >          |                              ^~~~~~~~~~~~~~~~~~
> >          |                              irq_dispose_mapping
> >    drivers/soundwire/bus_type.c: In function 'sdw_drv_remove':
> >>> drivers/soundwire/bus_type.c:179:37: error: implicit declaration of function 'irq_find_mapping'; did you mean 'irq_dispose_mapping'? [-Werror=implicit-function-declaration]
> >      179 |                 irq_dispose_mapping(irq_find_mapping(slave->bus->domain,
> >          |                                     ^~~~~~~~~~~~~~~~
> >          |                                     irq_dispose_mapping
> >    cc1: some warnings being treated as errors
> > --
> >    drivers/soundwire/bus.c: In function 'sdw_bus_master_add':
> >>> drivers/soundwire/bus.c:173:23: error: implicit declaration of function 'irq_domain_create_linear' [-Werror=implicit-function-declaration]
> >      173 |         bus->domain = irq_domain_create_linear(fwnode, SDW_MAX_DEVICES,
> >          |                       ^~~~~~~~~~~~~~~~~~~~~~~~
> >    drivers/soundwire/bus.c:173:21: warning: assignment to 'struct irq_domain *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
> >      173 |         bus->domain = irq_domain_create_linear(fwnode, SDW_MAX_DEVICES,
> >          |                     ^
> >    drivers/soundwire/bus.c: In function 'sdw_bus_master_delete':
> >>> drivers/soundwire/bus.c:217:9: error: implicit declaration of function 'irq_domain_remove' [-Werror=implicit-function-declaration]
> >      217 |         irq_domain_remove(bus->domain);
> >          |         ^~~~~~~~~~~~~~~~~
> >    cc1: some warnings being treated as errors
> > 
> 
> CONFIG_IRQ_DOMAIN is not set in the .config file.
> Should SOUNDWIRE select IRQ_DOMAIN?
> 

Probably a reasonable fix, but I wonder if it might be better to
make my new additions optional. Since SoundWire isn't strictly
dependent on my IRQ additions.

I will have a look this afternoon at what I can get working.

Thanks,
Charles