From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4448613AA53; Tue, 1 Jul 2025 10:26:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751365569; cv=none; b=XIZlQpjm8yiI3JeXHmpetLbB7eVYUDsyv9EpjE7l+34OLjtzuzK+ACHkfvF2bb/wOAeongC1GoHXkPKQljqNU9mMGTjBSMPkrY9jvIF3wsEs5Xv5+aBDkkzRqy66ReTXf1cjcUpbwYn62ubWE1xIO2G+Oo6YjJKpqP6aB0k0r44= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751365569; c=relaxed/simple; bh=EWqF4PS4ux3AR3WZyTBG58Z+5XJMCAN0LTz5K9oLotk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=L6O4A7Vtz4UyX98iPHjktsSFFGY1T+mn7cXL7mKQnsRy7iXYZNOhOoFBGeA0q9MylbM3u5XKMxxdYcGtSqbLE/aYhNCCrrKLqRSI2NQcgzROsFI/ogkU/3xteWuS6It4teezwBBntC9s1JoBGi4RIbL07Bw8FT5t64A0AFqXUb4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=lvBn6uJh; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="lvBn6uJh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1E625C4CEEB; Tue, 1 Jul 2025 10:26:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1751365568; bh=EWqF4PS4ux3AR3WZyTBG58Z+5XJMCAN0LTz5K9oLotk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=lvBn6uJhNChAJjETNk3DJAnFYB7SCcZquwZZWaRxzGYX9ReESOQ54xSrIhO3TOyDB Xb/H+XjBCzjnbO2RJXvwP4EOY8fm2/iRV3ts1iOim1P4uLZvehOPQaRZ3kFMpiFYZM gQQyhjtmV+uUhZqAlDIwpCK5Eppxnr8Lsm2u7dSs= Date: Tue, 1 Jul 2025 12:26:05 +0200 From: Greg Kroah-Hartman To: Muhammad Usama Anjum Cc: Manivannan Sadhasivam , Jeff Johnson , Jeff Hugo , Youssef Samir , Matthew Leung , Yan Zhen , Alexander Wilhelm , Alex Elder , Kunwu Chan , Siddartha Mohanadoss , Sujeev Dias , Julia Lawall , John Crispin , Muna Sinada , Venkateswara Naralasetty , Maharaja Kennadyrajan , mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, ath11k@lists.infradead.org, kernel@collabora.com Subject: Re: [PATCH 3/3] bus: mhi: keep device context through suspend cycles Message-ID: <2025070144-lent-buzz-28ff@gregkh> References: <20250630074330.253867-1-usama.anjum@collabora.com> <20250630074330.253867-4-usama.anjum@collabora.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250630074330.253867-4-usama.anjum@collabora.com> On Mon, Jun 30, 2025 at 12:43:30PM +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. > > Tested-on: WCN6855 WLAN.HSP.1.1-03926.13-QCAHSPSWPL_V2_SILICONZ_CE-2.52297.6 > > Fixes: 3000f85b8f47 ("bus: mhi: core: Add support for basic PM operations") No cc: stable?