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From: Eric Farman <farman@linux.ibm.com>
To: "Philippe Mathieu-Daudé" <philmd@linaro.org>,
	"Eduardo Habkost" <eduardo@habkost.net>,
	qemu-devel@nongnu.org
Cc: Richard Henderson <richard.henderson@linaro.org>,
	qemu-s390x@nongnu.org,
	Alex Williamson <alex.williamson@redhat.com>,
	David Hildenbrand <david@redhat.com>,
	Thomas Huth <thuth@redhat.com>,
	Matthew Rosato <mjrosato@linux.ibm.com>,
	Christian Borntraeger <borntraeger@linux.ibm.com>,
	Halil Pasic <pasic@linux.ibm.com>,
	Ilya Leoshkevich <iii@linux.ibm.com>
Subject: Re: [PATCH v3 2/6] hw/vfio/ccw: Simplify using DEVICE() macro
Date: Mon, 13 Feb 2023 13:38:54 -0500	[thread overview]
Message-ID: <30c2a5088df9b8f27a1bf76d654212964b35b66a.camel@linux.ibm.com> (raw)
In-Reply-To: <20230213170145.45666-3-philmd@linaro.org>

On Mon, 2023-02-13 at 18:01 +0100, Philippe Mathieu-Daudé wrote:
> QOM parenthood relationship is:
> 
>   VFIOCCWDevice -> S390CCWDevice -> CcwDevice -> DeviceState
> 
> We can directly use the QOM DEVICE() macro to get the parent object.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

Reviewed-by: Eric Farman <farman@linux.ibm.com>

> ---
>  hw/vfio/ccw.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/hw/vfio/ccw.c b/hw/vfio/ccw.c
> index 0354737666..503de94ce1 100644
> --- a/hw/vfio/ccw.c
> +++ b/hw/vfio/ccw.c
> @@ -618,7 +618,7 @@ static void vfio_ccw_get_device(VFIOGroup *group,
> VFIOCCWDevice *vcdev,
>      vcdev->vdev.ops = &vfio_ccw_ops;
>      vcdev->vdev.type = VFIO_DEVICE_TYPE_CCW;
>      vcdev->vdev.name = name;
> -    vcdev->vdev.dev = &vcdev->cdev.parent_obj.parent_obj;
> +    vcdev->vdev.dev = DEVICE(vcdev);
>  
>      return;
>  



  reply	other threads:[~2023-02-13 18:39 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-13 17:01 [PATCH v3 0/6] hw/vfio/ccw: hw: Use QOM macros and remove DO_UPCAST() uses Philippe Mathieu-Daudé
2023-02-13 17:01 ` [PATCH v3 1/6] hw/s390x/event-facility: Replace DO_UPCAST(SCLPEvent) by SCLP_EVENT() Philippe Mathieu-Daudé
2023-02-13 17:01 ` [PATCH v3 2/6] hw/vfio/ccw: Simplify using DEVICE() macro Philippe Mathieu-Daudé
2023-02-13 18:38   ` Eric Farman [this message]
2023-02-13 17:01 ` [PATCH v3 3/6] hw/vfio/ccw: Use intermediate S390CCWDevice variable Philippe Mathieu-Daudé
2023-02-13 18:40   ` Eric Farman
2023-02-13 17:01 ` [PATCH v3 4/6] hw/vfio/ccw: Replace DO_UPCAST(S390CCWDevice) by S390_CCW_DEVICE() Philippe Mathieu-Daudé
2023-02-13 17:05   ` Philippe Mathieu-Daudé
2023-02-16 14:18   ` Thomas Huth
2023-02-13 17:01 ` [PATCH v3 5/6] hw/vfio/ccw: Remove pointless S390CCWDevice variable Philippe Mathieu-Daudé
2023-02-13 18:40   ` Eric Farman
2023-02-13 17:01 ` [PATCH v3 6/6] hw/vfio/ccw: Replace DO_UPCAST(VFIOCCWDevice) by VFIO_CCW() Philippe Mathieu-Daudé
2023-02-27 11:15 ` [PATCH v3 0/6] hw/vfio/ccw: hw: Use QOM macros and remove DO_UPCAST() uses Philippe Mathieu-Daudé
2023-02-27 11:46   ` Thomas Huth
2023-02-27 12:30     ` Philippe Mathieu-Daudé

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