Re: arm qemu test failures due to 'driver-core: platform: probe of-devices only using list of compatibles'

From	Sudeep Holla <sudeep.holla@arm.com>
Newsgroups	linux.kernel
Subject	Re: arm qemu test failures due to 'driver-core: platform: probe of-devices only using list of compatibles'
Date	2016-02-15 19:50 +0100
Message-ID	<r2wnD-4Wo-11@gated-at.bofh.it> (permalink)
References	<r28bF-5jV-17@gated-at.bofh.it> <r2p2O-8en-7@gated-at.bofh.it> <r2tzr-2WJ-15@gated-at.bofh.it> <r2uOT-3Y1-35@gated-at.bofh.it> <r2vUC-4Jg-33@gated-at.bofh.it>
Organization	ARM

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On 15/02/16 18:12, Guenter Roeck wrote:

[...]

>
> I added some debugging on top of your patch, and get:
>
> platform basic-mmio-gpio.1.auto: Device node exists
> [/smb/motherboard/iofpga@7,00000000/sysreg@00000/sys_led@08],
> of_driver_match_device() failed
> platform basic-mmio-gpio.1.auto: platform_match_id() succeeded
> platform basic-mmio-gpio.2.auto: Device node exists
> [/smb/motherboard/iofpga@7,00000000/sysreg@00000/sys_mci@48],
> of_driver_match_device() failed
> platform basic-mmio-gpio.2.auto: platform_match_id() succeeded
> platform basic-mmio-gpio.3.auto: Device node exists
> [/smb/motherboard/iofpga@7,00000000/sysreg@00000/sys_flash@4c],
> of_driver_match_device() failed
> platform basic-mmio-gpio.3.auto: platform_match_id() succeeded
>
> So it isn't the mmc driver failing to instantiate directly,
> but (I think) vexpress-sysreg.
>

That's correct, I could reproduce this issue and reported with similar
analysis earlier [1]

--
Regards,
Sudeep

[1] http://www.spinics.net/lists/arm-kernel/msg483107.html

Thread

arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Guenter Roeck <linux@roeck-us.net> - 2016-02-14 18:00 +0100
  Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2016-02-14 21:00 +0100
    Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-02-14 21:10 +0100
      Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2016-02-15 09:20 +0100
        Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-02-15 10:00 +0100
          Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2016-02-15 10:20 +0100
            Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-02-15 11:10 +0100
              Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2016-02-15 11:20 +0100
                Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-02-15 11:20 +0100
    Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Guenter Roeck <linux@roeck-us.net> - 2016-02-14 22:10 +0100
      Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2016-02-15 08:50 +0100
  Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2016-02-15 12:00 +0100
    Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Robin Murphy <robin.murphy@arm.com> - 2016-02-15 14:20 +0100
      Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-02-15 15:50 +0100
        Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2016-02-15 17:30 +0100
          Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-02-15 17:50 +0100
            Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2016-02-15 18:20 +0100
              Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2016-02-15 22:10 +0100
    Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Guenter Roeck <linux@roeck-us.net> - 2016-02-15 16:50 +0100
      Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-02-15 17:20 +0100
      Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Uwe Kleine-König   <u.kleine-koenig@pengutronix.de> - 2016-02-15 18:10 +0100
        Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Guenter Roeck <linux@roeck-us.net> - 2016-02-15 19:20 +0100
          Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Sudeep Holla <sudeep.holla@arm.com> - 2016-02-15 19:50 +0100
      Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Sudeep Holla <sudeep.holla@arm.com> - 2016-02-15 18:50 +0100
        Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-02-15 19:10 +0100
          Re: arm qemu test failures due to 'driver-core: platform: probe  of-devices only using list of compatibles' Sudeep Holla <sudeep.holla@arm.com> - 2016-02-15 19:20 +0100

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