From patchwork Sun Jun 30 15:36:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Wahren X-Patchwork-Id: 808990 Received: from mout.gmx.net (mout.gmx.net [212.227.15.19]) (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 E047515383E; Sun, 30 Jun 2024 15:37:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.15.19 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719761874; cv=none; b=g9ch/67kYs3eSB1s3cn7jro1tfrnBScqc8lTDf7gH12s55SRdJxNIjtKce1nI6b89VP2S3bdGfl/i+QfBnt6LM+uNVTrDNTymjyM3tBozNr2XXjff3cV89H27mN6/0cnG2flhcqjWFFplAag4Z9YNnwKv0IRGeAJ77Nkvg+muns= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719761874; c=relaxed/simple; bh=OepjnN1m7XIniciruK8E2vJ6wGJGpCI6r606OxLFd24=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; 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b=o7ZIFkdyeolSFgsqSlg9F/907y+3/o7oltU/Jq7EwFbSxRgN9WmwgYBH7zyUedaA iX5zayU7f5hw1XFRSfb9dJzB2C4L0atfWCnUIEfmZHGbb7YnrQFDYKThhhlyaWmDX Zfe4+6HdzhCMfMgdM6bqCm/DumILbrYhN3daXBiqKp2A2fWg0lNSV/qWv8daZ+Wxf 1XS3snIsP2fA4YDE7wBWZMQfnUC9/vmP3TFSBoZEw2KrK5q2dJasPZNgW1j8gSm8v GEq5qLwVKmGWYqBPnG02Nwc42bd07SX5Zt7eZERafXerVIstRn862hdo4gu4rjLQt 9A/c57oZjPZ1k0BmJg== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from stefanw-SCHENKER ([37.4.248.43]) by mail.gmx.net (mrgmx004 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MdvmO-1rqXH42uNa-00ZIdt; Sun, 30 Jun 2024 17:37:20 +0200 From: Stefan Wahren To: Greg Kroah-Hartman , Florian Fainelli , Ray Jui , Scott Branden , Maxime Ripard , Thomas Gleixner , Jassi Brar , Ulf Hansson , Jiri Slaby , Minas Harutyunyan Cc: Dave Stevenson , Maarten Lankhorst , Thomas Zimmermann , David Airlie , Daniel Vetter , Lukas Wunner , Peter Robinson , dri-devel@lists.freedesktop.org, bcm-kernel-feedback-list@broadcom.com, linux-pm@vger.kernel.org, linux-serial@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel-list@raspberrypi.com, Stefan Wahren Subject: [PATCH 04/11] pmdomain: raspberrypi-power: Avoid powering down USB Date: Sun, 30 Jun 2024 17:36:45 +0200 Message-Id: <20240630153652.318882-5-wahrenst@gmx.net> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240630153652.318882-1-wahrenst@gmx.net> References: <20240630153652.318882-1-wahrenst@gmx.net> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Provags-ID: V03:K1:22tg+yWWqKf6rCi94aIzD/RkT7pXmbRAAhSxwf6W8WcCzyNMjbd j47KQebfJCVLSl1XFpvwPcIB8kmB6vxytQOXHOoKX8vpukqcVyRvtoMxZctNIgUXZrZsbyP M1Ez1s8XIAFhhBqA7HoCa2qTcc9wcGRMyyFUoiMebKnLHrL9JQpT3spS1oOrMAtG46pk3fq T3JonfyI1KZaJXlZvgoog== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:o0N5jBQm4iM=;q+71ifQ2Zv2GDZeVPGzKI9bBQMg ITd5Q5iGfSSBWp1p+vKU/AGRKQRK0/1CRitQt627JVfEC+5K6pRuadGo6eJOMsKAtbFZqNVeQ lhOHahQLH8rAycR2oLJcj0QWrzH5OOQU7p5oHeG7WHkQUjEV7W2HoPpZtw32Wv8AsteukZPvG a6wu0r60xiYh3Lam5CeGSMxW7GhxYmMT2zDlu7YJUDRmUcEHSBDoUgHZ+y7dTSQexufltzMTL emG8cSNkyd+S8kvewoKGpWsxttU/+FVoim/lSrB4Mm/mPkQD8FB8IcE0Ya+AJFZ9WW06WkfY1 9Cm+rrfNlrIs3Q6DR5Q3G91yw2KJBgfJlu6bznnvx/y8FmfMXIN5Ygq4lr6UdN4ikQrc5H1xi PMGylNcIWhchhU0R+n7gFWY0CqlJ4uYg64gukNxTkjQBTj0yCYl3ZKNsFejBbArpGOl80JJh6 5L5kNRFt2yD8M/OTHGO+AuxATLHgDbkr564L9MOXV1jEXJQF9F/mdQnumfsiG1HjsltqT9qDE 4o/QkeaB4AINfhLyW3lHskid4rPKLH+PosKU4BEUgu6XKT2Y9tPCPifMB/EKQ/Rdy+qDeLl+t 9yrd8eQqAUTSCoxynVkqNmNB4+q7CqSg4EFEvJlYPoVy6BSGJREeU0NBCl9HrvMCCwxfV6sgK /m8zFFKSppQdn1yn07r0fSXPNCxYYRMfXHEPNr0WzFarq3I+ceGxHfAn81QWO72P87aBTA314 o0pgOZ6eaWF/eBiPrBqPlKePK0OPlurpagJ9qr/Wbgr6sxEX75mWLGZr2biwlnyHRmz4fUAz5 tV4WK6UkzNRqhEgrwXuILugRk3uih7RHVUhbDt44Wg690= During supend to idle any request to power off the USB domain leads to a timeout. As a temporary workaround don't register the relevant power off handler. Link: https://github.com/raspberrypi/firmware/issues/1894 Signed-off-by: Stefan Wahren --- drivers/pmdomain/bcm/raspberrypi-power.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) -- 2.34.1 diff --git a/drivers/pmdomain/bcm/raspberrypi-power.c b/drivers/pmdomain/bcm/raspberrypi-power.c index 39d9a52200c3..3e7b84006acc 100644 --- a/drivers/pmdomain/bcm/raspberrypi-power.c +++ b/drivers/pmdomain/bcm/raspberrypi-power.c @@ -86,7 +86,14 @@ static void rpi_common_init_power_domain(struct rpi_power_domains *rpi_domains, dom->base.name = name; dom->base.power_on = rpi_domain_on; - dom->base.power_off = rpi_domain_off; + + /* + * During supend to idle any request to power off the USB domain + * leads to a timeout. As a temporary workaround don't register + * the relevant power off handler. + */ + if (strcmp("USB", name)) + dom->base.power_off = rpi_domain_off; /* * Treat all power domains as off at boot.