From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx4+KIYi8I9eH1s7HeXEEHMqN0WEVWy7di6jEAekpCrnU5HA+GAabgoQWtH4disOk/1a50+qd ARC-Seal: i=1; a=rsa-sha256; t=1523473362; cv=none; d=google.com; s=arc-20160816; b=HmRm3dRW6gs81BweEiiWuwyo1uEncKfD3e6RFFBfBbWjlQS5gvZGcmbMaGU9uRvBd+ yJ0RXLU2ZvKrrtivtvGPVnoYgS+q2xIGwsvrDWfSOFB9sodkf1fizR/P30mGvvNXFPJY 9mvMd/ojppcSbjHBHt9eP6FeCeQ3X0ZWm/P5SGy99Cuyn7LsqgsDYJOoVW4TnOBSvIPO djXmkeWoYkJ6mEWONJ/nJfrmG2IGH+C6HewYPi08sNaVkgjEIwM8CTizr7K9nYk4Jury fpmNH2gSZFWmMBy0qvT4eZLjFNP8cUAvDPxpqGtdAJmI9ePDrw3YuKLwHino+21Mqzf0 iFcQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:user-agent:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=xsWGK35B3Z7+AMYkm+Z1CG/+jzNd+5J+RcdHWHwfMbg=; b=tD/3v+Y35xR2bu21wa13JBuVmCvraqpd2/UrgTocAiS9PprhWxFbkRGsttgrt+fqsV 8XRi9q0r4htfJHCD5IQ/nrf4eJV185cTHh/BUQ53mdQWbr36m4ftgPGeX0+TEth0rIWT g3PA8tJaLmnAbGUjy6LwjZk3gbM0ByhSTtodshFcvR2QG1lGIWZ6rAnoCgO+K1O+OROp XftObIOTktNOsWZbJhqKzR6clP7zjwIgxV1MxSFJoeIDzbnqL9lkzUQEzAhi8xoMg5nf 2aaqk4Uyandok9Si1oXZgyCK5ThfejhcsO2/04oBpiN9iCEKgyO9BqUSC2g5Xp5T22PP rHpA== ARC-Authentication-Results: i=1; mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org Authentication-Results: mx.google.com; spf=softfail (google.com: domain of transitioning gregkh@linuxfoundation.org does not designate 90.92.61.202 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Geert Uytterhoeven , Laurent Pinchart , Simon Horman , Sasha Levin Subject: [PATCH 4.9 221/310] ARM: dts: armadillo800eva: Split LCD mux and gpio Date: Wed, 11 Apr 2018 20:36:00 +0200 Message-Id: <20180411183632.047615699@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180411183622.305902791@linuxfoundation.org> References: <20180411183622.305902791@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-LABELS: =?utf-8?b?IlxcU2VudCI=?= X-GMAIL-THRID: =?utf-8?q?1597477604898223974?= X-GMAIL-MSGID: =?utf-8?q?1597477604898223974?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Geert Uytterhoeven [ Upstream commit 13132b3f44d3600983aceb7e9920b8ebb55a7cf8 ] Configuration of the lcd0 pinmux group and GPIO hog for the external GPIO mux are done using a single device node, causing the "output-high" property to be applied to both. This will fail for the pinmux group, but doesn't cause any harm, as the failure is ignored silently. However, after "pinctrl: sh-pfc: propagate errors on group config", the failure will become fatal, leading to a broken display: sh-pfc e6050000.pin-controller: pin_config_group_set op failed for group 102 sh-pfc e6050000.pin-controller: Error applying setting, reverse things back sh-pfc e6050000.pin-controller: failed to select default state Move the GPIO hog to its own node to fix this. Fixes: ffd2f9a5afb730b9 ("ARM: shmobile: armadillo800eva dts: Add pinctrl and gpio-hog for lcdc0") Signed-off-by: Geert Uytterhoeven Acked-by: Laurent Pinchart Signed-off-by: Simon Horman Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- arch/arm/boot/dts/r8a7740-armadillo800eva.dts | 2 ++ 1 file changed, 2 insertions(+) --- a/arch/arm/boot/dts/r8a7740-armadillo800eva.dts +++ b/arch/arm/boot/dts/r8a7740-armadillo800eva.dts @@ -266,7 +266,9 @@ lcd0_pins: lcd0 { groups = "lcd0_data24_0", "lcd0_lclk_1", "lcd0_sync"; function = "lcd0"; + }; + lcd0_mux { /* DBGMD/LCDC0/FSIA MUX */ gpio-hog; gpios = <176 0>;