From: Jeff Roach <jeff.roach0@gmail.com>
To: Jagadeesh Kona <jagadeesh.kona@oss.qualcomm.com>
Cc: Bjorn Andersson <andersson@kernel.org>,
Abel Vesa <abelvesa@kernel.org>, Stephen Boyd <sboyd@kernel.org>,
Brian Masney <bmasney+clk@redhat.com>,
Jerome Brunet <jbrunet+clk@baylibre.com>,
Ajit Pandey <ajit.pandey@oss.qualcomm.com>,
Imran Shaik <imran.shaik@oss.qualcomm.com>,
Taniya Das <taniya.das@oss.qualcomm.com>,
linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] clk: qcom: gcc-glymur: Use PWRSTS_RET_ON flag for USB GDSCs
Date: Fri, 23 Oct 2026 21:53:47 -0500 [thread overview]
Message-ID: <20261024025526.13339-1-jeff.roach0@gmail.com> (raw)
In-Reply-To: <20261016-glymur-usb-ret-on-v1-1-1790a523fd9c@oss.qualcomm.com>
On Fri, 16 Oct 2026 11:58:44 +0530, Jagadeesh Kona wrote:
> The USB GDSCs on Glymur are currently configured with PWRSTS_OFF_ON,
> which allows the GDSC framework to fully collapse these power domains
> during gdsc_disable(). When these GDSCs collapse, the corresponding USB
> configurations are not retained in USB host mode use-cases and this breaks
> the resume of USB controller from suspend.
> [...]
This fixes the usb_hs controller (webcam) dying with an SMMU context fault
after s2idle resume on the HP OmniBook X 16 (X2 Elite, Mahua).
Tested-by: Jeff Roach <jeff.roach0@gmail.com> # HP OmniBook X 16 (Mahua)
prev parent reply other threads:[~2026-10-24 2:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-16 6:28 Jagadeesh Kona
2026-10-24 2:53 ` Jeff Roach [this message]
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