From patchwork Thu May 23 07:58:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Schneider-Pargmann X-Patchwork-Id: 798633 Received: from mail-wm1-f41.google.com (mail-wm1-f41.google.com [209.85.128.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DCB1913D2B2 for ; Thu, 23 May 2024 07:58:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.41 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716451118; cv=none; b=Hy8X4ovUYKuJgUOpS5DaAUt6EDgwgPl0qimQMt7GsXUCoYrj9FUA7Sa84xBisdxvlyB3PW+BhGAMK9mPVVpRYs7/6z01POBmiVJMDlHlNqYvj5ZCgGIgCUbfAHk6MFAty2Xg6kc3YJZPqRj2tAIDbWcdM6WGfFcMAv8wteeJZnQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716451118; c=relaxed/simple; bh=oY9pJCCB+gMDQTAUOCI57KbOI5M/HreuFbqNaMW9YWI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kBNPk6EEpQtgAWfQ/cxJPkw7v34gWa9gWjg7HwCilTrGh/gMAhnrjTCfLgNna8Fa3RFcWDCm2lDrQ/wTFtrjq8TC0t6q5+R0f9JHtssuqsanK7dTsZmSM5lP5x7/j/68DgyHeSH470+I+RNt68GcmkVgkvyuetz2Ev3PsQIUPT8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com; spf=pass smtp.mailfrom=baylibre.com; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b=TK/gv9Ba; arc=none smtp.client-ip=209.85.128.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baylibre.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b="TK/gv9Ba" Received: by mail-wm1-f41.google.com with SMTP id 5b1f17b1804b1-4202dd90dcfso16744175e9.0 for ; Thu, 23 May 2024 00:58:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20230601.gappssmtp.com; s=20230601; t=1716451114; x=1717055914; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=D8GG0qSUKW/QwiEfb1pXJnlM6Z5iknMteP/DubTFmCA=; b=TK/gv9Ba/1znMN70+vHAhjN6RiQjNI7tSNplK/LWY6Q8hlaJoVjf2pzbRI8YW9NTgB YbQGTguSFarzIZoVVCiGHAJtm1F4bHxtBqgYK6xjx1THBrMCzLDxhReKLU0uQQJjQoRR urz0zaeqdkhvOLi+w5TZ/P67U+DqEIadDPw2z70YWmAJvHg6s7xQyuuhuxgZv9N1rZoz Ms4C5vjpWQesLQJq8k0TMNU/29ziYuXW/4F5fmkV3fLmY3bekLVb5TYKC3MZoP4eotE6 2wlVkqOxXT+tpsVbd0IHrNflWqbd1t3NXAxnLGrUIuwu6uvn1y9vR29ssYzAGINDcGte +9sg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1716451114; x=1717055914; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=D8GG0qSUKW/QwiEfb1pXJnlM6Z5iknMteP/DubTFmCA=; b=brArdRM27y0kKj2cfoz1vHj42680SIBo3HU1jVc49DsRPnBZo3e5CgHrIRX+vSv8om +j/1u2u6z7XGJ+5ICdCAWtvVL5iMEaDI11u70wC/HKAYAvbvnwHYEsP5s+gK6q1oNK6K 2dxcYS0XnzDVFZ+TrsJnSPiglmuGyVOWPEdFO25SUARRsJVl6JUYDUmPePr8k4Uyth8l piHV/1xIBENEuTawr+qTHLhm0ns60WNdR4+V4SlJ9/tUdjNlr+Xbda2THTSPYuZRN2CN MrhlX9uxBY2wyzv+J53HhyNkkXmTCbhnZ4XugAGY67IdyWTlLJIIkhMM+zUyowyU0NOh +rWw== X-Forwarded-Encrypted: i=1; AJvYcCVv0gKjv/GggsYHNlV13M/sD0uyVn3AO3RI9c8MckIY1JJbU9c5dy5TbvX3XTgJ6ubbi4q9Xsse5uygG1sQtpdIX+QZpHMaQ8DWrxg8 X-Gm-Message-State: AOJu0YzXD4PbMOIQsTaR0sAsImExrH78rjM1bAGJmacLYEvgxWuMsNeC nEZ/Ft0gI6Kw61HSCyUUexiW1BIjal67zFo+Mux2hp7YalYMk7SSXn8y6ngBwWU= X-Google-Smtp-Source: AGHT+IHY1QA7e7M81Uch6zrTpW4SzcO290mENs1Q7433I/NCsVyGWKJ/Rr+g3fYyAhO+lvsDLKDNDA== X-Received: by 2002:a05:600c:56c1:b0:41f:e56c:ef81 with SMTP id 5b1f17b1804b1-420fd2dcc03mr34490425e9.1.1716451113999; Thu, 23 May 2024 00:58:33 -0700 (PDT) Received: from blmsp.fritz.box ([2001:4091:a246:821e:6f3b:6b50:4762:8343]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42100f01d7fsm17359125e9.1.2024.05.23.00.58.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 May 2024 00:58:33 -0700 (PDT) From: Markus Schneider-Pargmann To: Greg Kroah-Hartman , Jiri Slaby , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Tony Lindgren , John Ogness , Markus Schneider-Pargmann , =?utf-8?q?Uwe_Kleine-K=C3=B6n?= =?utf-8?q?ig?= , Ronald Wahl , Thomas Richard , Thomas Gleixner , Andy Shevchenko , Arnd Bergmann , Vignesh Raghavendra Cc: Vibhore Vardhan , Kevin Hilman , Dhruva Gole , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH 5/5] serial: 8250: omap: Set wakeup pinctrl on suspend Date: Thu, 23 May 2024 09:58:19 +0200 Message-ID: <20240523075819.1285554-6-msp@baylibre.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240523075819.1285554-1-msp@baylibre.com> References: <20240523075819.1285554-1-msp@baylibre.com> Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 To enable the serial driver and it's pin to be a wakeup source in suspend to ram states, select the wakeup pinctrl state on suspend and restore the default pinctrl state on resume. Signed-off-by: Markus Schneider-Pargmann --- drivers/tty/serial/8250/8250_omap.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index 617a421a1396..61f056c4e78e 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -1663,6 +1663,13 @@ static int omap8250_suspend(struct device *dev) struct generic_pm_domain *genpd = pd_to_genpd(dev->pm_domain); int err = 0; + err = omap8250_select_wakeup_pinctrl(dev, priv); + if (err) { + dev_err(dev, "Failed to select wakeup pinctrl, aborting suspend %pe\n", + ERR_PTR(err)); + return err; + } + serial8250_suspend_port(priv->line); err = pm_runtime_resume_and_get(dev); @@ -1696,6 +1703,13 @@ static int omap8250_resume(struct device *dev) struct generic_pm_domain *genpd = pd_to_genpd(dev->pm_domain); int err; + err = pinctrl_select_default_state(dev); + if (err) { + dev_err(dev, "Failed to select default pinctrl state on resume: %pe\n", + ERR_PTR(err)); + return err; + } + if (uart_console(&up->port) && console_suspend_enabled) { if (console_suspend_enabled) { err = pm_runtime_force_resume(dev);