From patchwork Wed Feb 5 17:36:54 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Th=C3=A9o_Lebrun?= X-Patchwork-Id: 13961633 Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [217.70.183.201]) (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 6FC00204F94; Wed, 5 Feb 2025 17:37:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738777024; cv=none; b=i77IQq2ieURFbGC09B2Mk5YiWM/PS+gJvaSf5ztUTfmkUNOUhdpZ/lr7rtfr3Opbh3+HuDwcrLGPko+xqidkr6USegwb/2mDfqSIQE1OHuXwPmcFnGrxQLE3O6fg0DICw7AGRhVvm8y89fK+75IOnmD/QhARSyJZLvfB5+5f+ec= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738777024; c=relaxed/simple; bh=V8F6TdsgqBtnFKgf5hPwESPymaXywufQvtZc6vNurlw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=YFfZMBtw61yiT2b2+V4afB5z/EBBCZ7sXMgOEbj5Mmsm7dSE/JyDJ8IB8bWoJbMAGyN3/pxa+w/QIsp7vWYWkfib7lnT9sLfzX6H4F7noD0mSktI/PInXNN8A5F6ssTh5539Rt3+qAqTHIUAUrNei4UU9RwonYTehCkJtOr4lFg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=LxLypu03; arc=none smtp.client-ip=217.70.183.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="LxLypu03" Received: by mail.gandi.net (Postfix) with ESMTPSA id CE09444436; Wed, 5 Feb 2025 17:36:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1738777015; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=YbIosQlo9K+96iArYQbe2IRA2NSkxyi0YsELJCoNokI=; b=LxLypu03DOPSdZ+KIRSms2UpjEoX8JGfg/RS33unASIecWSp3X9iAKU4zgifq0MCa4F/9K 7dp7PNoHbLZ5hLV4vkQW9bFrnALOjFM7py2zfi/GtMfA2tXKXaLmNy0GgNmnmeapKSoXBv 8XAP1T2Yx+quF5ZNjK9iuNqaScaCXTMSVpE8UMYh3WMVWCXPt0Q0Mpk8hSL7Oc340wnOuW +8hPGJdLrr/P09tz5VNQImdd/er7U5LO6dIkRVyFgeqGEFuDhAO87PkYEVeA4M0HJngy9M 3VVGcdFne6jPxG+c8oOQhgQRXNTJ7LXBAyRZc1f95i8JX1YifvpXX//wD9nBIQ== From: =?utf-8?q?Th=C3=A9o_Lebrun?= Date: Wed, 05 Feb 2025 18:36:54 +0100 Subject: [PATCH v7 9/9] usb: host: cdns3: forward lost power information to xhci Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250205-s2r-cdns-v7-9-13658a271c3c@bootlin.com> References: <20250205-s2r-cdns-v7-0-13658a271c3c@bootlin.com> In-Reply-To: <20250205-s2r-cdns-v7-0-13658a271c3c@bootlin.com> To: Peter Chen , Pawel Laszczak , Roger Quadros , Greg Kroah-Hartman , Mathias Nyman , Thierry Reding , Jonathan Hunter Cc: =?utf-8?q?Gr=C3=A9gory_Clement?= , Thomas Petazzoni , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, linux-tegra@vger.kernel.org, =?utf-8?q?Th?= =?utf-8?q?=C3=A9o_Lebrun?= X-Mailer: b4 0.14.2 X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgddvgedtkecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfitefpfffkpdcuggftfghnshhusghstghrihgsvgenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhephfffufggtgfgkfhfjgfvvefosehtkeertdertdejnecuhfhrohhmpefvhhorohcunfgvsghruhhnuceothhhvghordhlvggsrhhunhessghoohhtlhhinhdrtghomheqnecuggftrfgrthhtvghrnhepleevhfekueefvdekgfehhffgudekjeelgfdthedtiedvtdetteegvdeileeiuefhnecukfhppedvrgdtudemtggsudegmeehheeimeejrgdttdemieeigegsmehftdhffhemfhgvuddtmeelvghfugenucevlhhushhtvghrufhiiigvpeeknecurfgrrhgrmhepihhnvghtpedvrgdtudemtggsudegmeehheeimeejrgdttdemieeigegsmehftdhffhemfhgvuddtmeelvghfugdphhgvlhhopegludelvddrudeikedruddtrdelvdgnpdhmrghilhhfrhhomhepthhhvghordhlvggsrhhunhessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepudefpdhrtghpthhtoheplhhinhhugidqkhgvrhhnvghlsehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtoheplhhinhhugidqthgvghhrrgesvhhgvghrrdhkvghrnhgvlhdrohhrghdprhgtphhtthhopehgrhgvghhkhheslhhinhhugihfohhunhgurghtihhon hdrohhrghdprhgtphhtthhopehprgifvghllhestggruggvnhgtvgdrtghomhdprhgtphhtthhopehthhgvohdrlhgvsghruhhnsegsohhothhlihhnrdgtohhmpdhrtghpthhtoheplhhinhhugidquhhssgesvhhgvghrrdhkvghrnhgvlhdrohhrghdprhgtphhtthhopehpvghtvghrrdgthhgvnheskhgvrhhnvghlrdhorhhgpdhrtghpthhtoheprhhoghgvrhhqsehkvghrnhgvlhdrohhrgh X-GND-Sasl: theo.lebrun@bootlin.com cdns3-plat can know if power was lost across system-wide suspend. Forward that information: - Grab the lost_power bool from cdns_role_driver::resume(). Store it into the power_lost field in struct xhci_plat_priv. - xhci-plat will call xhci_resume() with that value (ORed to whether we are in a hibernation restore). Signed-off-by: Théo Lebrun --- drivers/usb/cdns3/host.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/usb/cdns3/host.c b/drivers/usb/cdns3/host.c index 7ba760ee62e3310e9c678d269d7675c9cb952ec6..f0df114c2b53bcb2a1fbeb1e582e0cbd69451d97 100644 --- a/drivers/usb/cdns3/host.c +++ b/drivers/usb/cdns3/host.c @@ -138,6 +138,16 @@ static void cdns_host_exit(struct cdns *cdns) cdns_drd_host_off(cdns); } +static int cdns_host_resume(struct cdns *cdns, bool power_lost) +{ + struct usb_hcd *hcd = platform_get_drvdata(cdns->host_dev); + struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd); + + priv->power_lost = power_lost; + + return 0; +} + int cdns_host_init(struct cdns *cdns) { struct cdns_role_driver *rdrv; @@ -148,6 +158,7 @@ int cdns_host_init(struct cdns *cdns) rdrv->start = __cdns_host_init; rdrv->stop = cdns_host_exit; + rdrv->resume = cdns_host_resume; rdrv->state = CDNS_ROLE_STATE_INACTIVE; rdrv->name = "host";