All of lore.kernel.org
 help / color / mirror / Atom feed
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Manivannan Sadhasivam <mani@kernel.org>,
	Jeff Hugo <jeff.hugo@oss.qualcomm.com>,
	Youssef Samir <quic_yabdulra@quicinc.com>,
	Matthew Leung <quic_mattleun@quicinc.com>,
	Alexander Wilhelm <alexander.wilhelm@westermo.com>,
	Kunwu Chan <chentao@kylinos.cn>,
	Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>,
	Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>,
	Yan Zhen <yanzhen@vivo.com>, Sujeev Dias <sdias@codeaurora.org>,
	Siddartha Mohanadoss <smohanad@codeaurora.org>,
	mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org,
	linux-kernel@vger.kernel.org, kernel@collabora.com,
	stable@vger.kernel.org
Subject: Re: [PATCH v2 3/3] bus: mhi: keep device context through suspend cycles
Date: Wed, 16 Jul 2025 11:35:25 +0200	[thread overview]
Message-ID: <2025071617-munchkin-staring-70c9@gregkh> (raw)
In-Reply-To: <20250715132509.2643305-4-usama.anjum@collabora.com>

On Tue, Jul 15, 2025 at 06:25:09PM +0500, Muhammad Usama Anjum wrote:
> Don't deinitialize the device context while going into suspend or
> hibernation cycles. Otherwise the resume may fail if at resume time, the
> memory pressure is high and no dma memory is available. At resume, only
> reset the read/write ring pointers as rings may have stale data.


Same here, don't do this.

thanks,

greg k-h

  reply	other threads:[~2025-07-16  9:35 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-15 13:25 [PATCH v2 0/3] bus: mhi: keep dma buffers through suspend/hibernation cycles Muhammad Usama Anjum
2025-07-15 13:25 ` [PATCH v2 1/3] bus: mhi: host: keep bhi buffer through suspend cycle Muhammad Usama Anjum
2025-07-16  3:41   ` Baochen Qiang
2025-07-16  9:34   ` Greg Kroah-Hartman
2025-07-17 10:00     ` Muhammad Usama Anjum
2025-07-17 11:50       ` Greg Kroah-Hartman
2025-07-15 13:25 ` [PATCH v2 2/3] bus: mhi: host: keep bhie " Muhammad Usama Anjum
2025-07-16  9:35   ` Greg Kroah-Hartman
2025-07-15 13:25 ` [PATCH v2 3/3] bus: mhi: keep device context through suspend cycles Muhammad Usama Anjum
2025-07-16  9:35   ` Greg Kroah-Hartman [this message]
2025-07-16  3:36 ` [PATCH v2 0/3] bus: mhi: keep dma buffers through suspend/hibernation cycles Baochen Qiang
2025-07-17 10:01   ` Muhammad Usama Anjum

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=2025071617-munchkin-staring-70c9@gregkh \
    --to=gregkh@linuxfoundation.org \
    --cc=alexander.wilhelm@westermo.com \
    --cc=chentao@kylinos.cn \
    --cc=jacek.lawrynowicz@linux.intel.com \
    --cc=jeff.hugo@oss.qualcomm.com \
    --cc=kernel@collabora.com \
    --cc=krishna.chundru@oss.qualcomm.com \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mani@kernel.org \
    --cc=mhi@lists.linux.dev \
    --cc=quic_mattleun@quicinc.com \
    --cc=quic_yabdulra@quicinc.com \
    --cc=sdias@codeaurora.org \
    --cc=smohanad@codeaurora.org \
    --cc=stable@vger.kernel.org \
    --cc=usama.anjum@collabora.com \
    --cc=yanzhen@vivo.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.