From patchwork Wed Feb 5 17:36:53 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: 862390 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 6FBA5204F66; 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=k6Mz2+VGD9ClfnIYYXkWaAA0NuguG/f46gQVt7WRVNuyOURlm2KZ5n3wGqQVOw0YtX6DGEEZrVUZzTFUHJUflXaBlqHYzB2EihYLdMwULy/Fif9hKcpn6CG7Kn7ckG9mnAorzUXsAGUDN/0MndcDJpN9KMEVEJNuLyi2BteucRg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738777024; c=relaxed/simple; bh=aZakQoZXAhFe7CMLavL6gM2yiTLegTEEPy3dWGGQ8j0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=DZfb/Tnn2mQk02E71dQV660wKHw3GtBOM4Kiyx6tqNQo2cvSpKc5PqpXiY7+Gzt2v7eJwDRS7ExRo5g8XAVNnEZBEObURHhU7D1iQsGKBq5oXw+edXI7AjmrpEYK1tAQ3PraZZrL3CU5IicdGqc1sUt4B7n/6K7/ZncDTRWD/D8= 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=E2eZftjh; 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="E2eZftjh" Received: by mail.gandi.net (Postfix) with ESMTPSA id 53C4444434; 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=1738777014; 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=Xa4w4yiK4Wol0r4srxzFKFrOoMuptZYzIGRg6T1LNC0=; b=E2eZftjhfi6MTaDKTJLDX/IatARsOEsl2WSNENAdG+URdYEujK1jYVotTWS/YKHoSaA7Go s8nBVB3ARuf9dKhceFo6juz5r3ATtGkKDQGRaJ/RYYqVQRj/eZa/ZGXHhNSlopGi8VoZHi UEJON2hpCF4ZDjzsXLt2ANlYDP4QDMQiqo0v369GpFmbUNrNhHd+G14N/O8x6xTpyGkVl2 6eFgKf08K8QvmcztvASYVUEuIyuuDpLm0rj8nkM3iEgWn2FOIUKIoJW9g9Es759pkVAiV4 ZDRqfm/mb/IA8vhAYWSN46jQ7wOsa9lhO8svWZ2Mz3eTX/PrYKgtUWVm5iDZBQ== From: =?utf-8?q?Th=C3=A9o_Lebrun?= Date: Wed, 05 Feb 2025 18:36:53 +0100 Subject: [PATCH v7 8/9] usb: host: xhci-plat: allow upper layers to signal power loss 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-v7-8-13658a271c3c@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: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgddvgedtkecutefuodetggdotefrodftvfcurfhrohhfihhlvgemucfitefpfffkpdcuggftfghnshhusghstghrihgsvgenuceurghilhhouhhtmecufedtudenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujfgurhephfffufggtgfgkfhfjgfvvefosehtkeertdertdejnecuhfhrohhmpefvhhorohcunfgvsghruhhnuceothhhvghordhlvggsrhhunhessghoohhtlhhinhdrtghomheqnecuggftrfgrthhtvghrnhepleevhfekueefvdekgfehhffgudekjeelgfdthedtiedvtdetteegvdeileeiuefhnecukfhppedvrgdtudemtggsudegmeehheeimeejrgdttdemieeigegsmehftdhffhemfhgvuddtmeelvghfugenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpedvrgdtudemtggsudegmeehheeimeejrgdttdemieeigegsmehftdhffhemfhgvuddtmeelvghfugdphhgvlhhopegludelvddrudeikedruddtrdelvdgnpdhmrghilhhfrhhomhepthhhvghordhlvggsrhhunhessghoohhtlhhinhdrtghomhdpnhgspghrtghpthhtohepudefpdhrtghpthhtoheplhhinhhugidqkhgvrhhnvghlsehvghgvrhdrkhgvrhhnvghlrdhorhhgpdhrtghpthhtoheplhhinhhugidqthgvghhrrgesvhhgvghrrdhkvghrnhgvlhdrohhrghdprhgtphhtthhopehgrhgvghhkhheslhhinhhugihfohhunhgurghtihhon hdrohhrghdprhgtphhtthhopehprgifvghllhestggruggvnhgtvgdrtghomhdprhgtphhtthhopehthhgvohdrlhgvsghruhhnsegsohhothhlihhnrdgtohhmpdhrtghpthhtoheplhhinhhugidquhhssgesvhhgvghrrdhkvghrnhgvlhdrohhrghdprhgtphhtthhopehpvghtvghrrdgthhgvnheskhgvrhhnvghlrdhorhhgpdhrtghpthhtoheprhhoghgvrhhqsehkvghrnhgvlhdrohhrgh X-GND-Sasl: theo.lebrun@bootlin.com Now that xhci_resume() exposes a power_lost boolean argument, expose that to all xhci-plat implementations. They are free to set it from wherever they want: - Their own resume() callback. - The xhci_plat_priv::resume_quirk() callback. Signed-off-by: Théo Lebrun --- drivers/usb/host/xhci-plat.c | 3 ++- drivers/usb/host/xhci-plat.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 7c2d7c4e601188ab721fd22c338456ca8100240b..3155e3a842da9a979f29e5cad18a3b18d70cfdab 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -482,6 +482,7 @@ static int xhci_plat_suspend(struct device *dev) static int xhci_plat_resume_common(struct device *dev, bool power_lost) { struct usb_hcd *hcd = dev_get_drvdata(dev); + struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd); struct xhci_hcd *xhci = hcd_to_xhci(hcd); int ret; @@ -501,7 +502,7 @@ static int xhci_plat_resume_common(struct device *dev, bool power_lost) if (ret) goto disable_clks; - ret = xhci_resume(xhci, power_lost, false); + ret = xhci_resume(xhci, power_lost || priv->power_lost, false); if (ret) goto disable_clks; diff --git a/drivers/usb/host/xhci-plat.h b/drivers/usb/host/xhci-plat.h index 6475130eac4b38061ea038ad14b00a48f269d4e0..fe4f95e690fa69a60ea8c7671cda41634ab86e80 100644 --- a/drivers/usb/host/xhci-plat.h +++ b/drivers/usb/host/xhci-plat.h @@ -15,6 +15,7 @@ struct usb_hcd; struct xhci_plat_priv { const char *firmware_name; unsigned long long quirks; + bool power_lost; void (*plat_start)(struct usb_hcd *); int (*init_quirk)(struct usb_hcd *); int (*suspend_quirk)(struct usb_hcd *);