From: Srivatsa Vaddagiri <quic_svaddagi@quicinc.com>
To: Jason Wang <jasowang@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
Cornelia Huck <cohuck@redhat.com>,
Virtio-Dev <virtio-dev@lists.oasis-open.org>,
Trilok Soni <tsoni@quicinc.com>,
Pratik Patel <pratikp@quicinc.com>
Subject: Re: [PATCH v2] virtio-mmio: Specify wait needed in driver during reset
Date: Mon, 16 Aug 2021 10:27:18 +0530 [thread overview]
Message-ID: <20210816045718.GB5604@quicinc.com> (raw)
In-Reply-To: <CACGkMEuuS+u8M9ufN1g87ng1U5CT3gWEW899=o0NF0jWOA5aUg@mail.gmail.com>
* Jason Wang <jasowang@redhat.com> [2021-08-16 10:10:56]:
> > +After writing 0 to \field{Status}, which triggers a reset of device, the driver MUST wait for a read of
> > +\field{Status} to return 0 before proceeding with the remaining steps of initializing the device.
> > +
>
> Do we need to limit this behaviour to 0x3 only?
I felt it will be simple for drivers to unconditionally poll for reset
completion (which is the right thing to do IMO), but can make it conditional to
version 3 only if you say so.
- vatsa
---
Qualcomm Innovation Center, Inc. is submitting the attached "feedback" as a
non-member to the virtio-dev mailing list for consideration and inclusion.
next prev parent reply other threads:[~2021-08-16 4:57 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-13 14:53 [PATCH v2] virtio-mmio: Specify wait needed in driver during reset Srivatsa Vaddagiri
2021-08-16 2:10 ` Jason Wang
2021-08-16 4:57 ` Srivatsa Vaddagiri [this message]
2021-08-16 5:07 ` Michael S. Tsirkin
2021-08-16 5:30 ` Michael S. Tsirkin
2021-08-16 6:22 ` Srivatsa Vaddagiri
2021-08-20 4:01 ` Jason Wang
2021-08-17 15:26 ` [virtio-dev] " Cornelia Huck
2021-08-18 2:39 ` Jason Wang
2021-08-18 6:34 ` [virtio-dev] " Cornelia Huck
2021-08-20 3:48 ` Jason Wang
2021-08-20 11:18 ` Michael S. Tsirkin
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