From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-713595-1523399732-2-13704663191671972006 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.25, MAILING_LIST_MULTI -1, ME_NOAUTH 0.01, RCVD_IN_DNSWL_HI -5, LANGUAGES enda, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=fm2; t= 1523399731; b=NSZiG16/pZxQy1HiTSMY1Vlb0qOMTw3a6laQQysY9aqdQMQpzU o1Amtr0EEhAsefkRjz3jIqrAkJNN/pFq0d82+oeD8p5ktAROvKdAMn1pEbR/1DFz Mw7MlJKEOUSZ/q0CuQOLr0BkliAvy6LWgTz394FH//xAvYgpguVkoSrSnu4gZjB+ A5W4GVZb5Hm8C7Yu3IKwBazD023QcuU+PtnGO1hAsuDYXEDzmiAcgPFBUdG2K9qv SGG9HDHDkQcT5NmFS1T0ME7PWk6umT3QlxraG+xxXUlDXGou7roHtvMyuGAAEmR8 /wH81XFYAxIR+B/YM6CD+SH9nL5PijZA8RnA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=fm2; t=1523399731; bh=KSmIgeTpkok6D+M3ajgV9WubFemeig m07R+nON2xIzk=; b=Ide3VoD/g83KiLtvZvZeD3cr8nTZjImS72XAwkl2T3yc4C PSs+6HieVuAWvfFGSoxROgzqBKihpaIb3N3GjMScI8lYvHpAKdqzTgtOibvZQUBw YCMKoaKQURJ2TlWNYERv0c8iSxIoR+GbC3VTDDCCw4Kv/e+0LphamK0HnyHxQGsA EGeT+PxcMolgEkAtx0IdeQYikJyEH+d7Sm7t2hY6bYrM6qbzk0S0qTxSgJhAbfnZ rw/b6v07Qc6X5Zr6R/l/7Dyzxts25do6cw9JkXm71kOLeS82uZRMa1wjXsJQcA+q DRTsDhV2HGg/URVBYtFIw2YU4AI7KL9qufQA+Ozw== ARC-Authentication-Results: i=1; mx3.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 Authentication-Results: mx3.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 X-ME-VSCategory: clean X-CM-Envelope: MS4wfFin3YHnphrQdhQT6MtKVjxOSoltyA6SLo4K5FpPe6d25/fjPfkfmUbkJhmNgxIU4b+CDYF5fen5Lp//GR2atnnI+1vhoZIOWonnEeli3kNOV2j19cuY 4mBlZyq4mLwYDcHLpRZdHtU9j+80wp5ccOMks3KQ9mU8ih7eiwBMQF1pSIfcnRxscg13QXELe7MMJz7E9ChD0By7m5lWP/wFapAv7NXxmXjMYGN/Y+GcAaOX X-CM-Analysis: v=2.3 cv=Tq3Iegfh c=1 sm=1 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:117 a=UK1r566ZdBxH71SXbqIOeA==:17 a=IkcTkHD0fZMA:10 a=Kd1tUaAdevIA:10 a=20KFwNOVAAAA:8 a=QyXUC8HyAAAA:8 a=KKAkSRfTAAAA:8 a=yMhMjlubAAAA:8 a=ag1SF4gXAAAA:8 a=aZAfa15Jk5teG4y3V6kA:9 a=QEXdDO2ut3YA:10 a=cvBusfyB2V15izCimMoJ:22 a=Yupwre4RP9_Eg_Bd0iYG:22 X-ME-CMScore: 0 X-ME-CMCategory: none Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755547AbeDJWf1 (ORCPT ); Tue, 10 Apr 2018 18:35:27 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:42124 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755543AbeDJWf0 (ORCPT ); Tue, 10 Apr 2018 18:35:26 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hans de Goede , Mika Westerberg , Linus Walleij , Sasha Levin Subject: [PATCH 4.14 042/138] pinctrl: baytrail: Enable glitch filter for GPIOs used as interrupts Date: Wed, 11 Apr 2018 00:23:52 +0200 Message-Id: <20180410212906.987897709@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180410212902.121524696@linuxfoundation.org> References: <20180410212902.121524696@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hans de Goede [ Upstream commit 9291c65b01d1c67ebd56644cb19317ad665c44b3 ] On some systems, some PCB traces attached to GpioInts are routed in such a way that they pick up enough interference to constantly (many times per second) trigger. Enabling glitch-filtering fixes this. Signed-off-by: Hans de Goede Acked-by: Mika Westerberg Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/pinctrl/intel/pinctrl-baytrail.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/drivers/pinctrl/intel/pinctrl-baytrail.c +++ b/drivers/pinctrl/intel/pinctrl-baytrail.c @@ -46,6 +46,9 @@ #define BYT_TRIG_POS BIT(25) #define BYT_TRIG_LVL BIT(24) #define BYT_DEBOUNCE_EN BIT(20) +#define BYT_GLITCH_FILTER_EN BIT(19) +#define BYT_GLITCH_F_SLOW_CLK BIT(17) +#define BYT_GLITCH_F_FAST_CLK BIT(16) #define BYT_PULL_STR_SHIFT 9 #define BYT_PULL_STR_MASK (3 << BYT_PULL_STR_SHIFT) #define BYT_PULL_STR_2K (0 << BYT_PULL_STR_SHIFT) @@ -1579,6 +1582,9 @@ static int byt_irq_type(struct irq_data */ value &= ~(BYT_DIRECT_IRQ_EN | BYT_TRIG_POS | BYT_TRIG_NEG | BYT_TRIG_LVL); + /* Enable glitch filtering */ + value |= BYT_GLITCH_FILTER_EN | BYT_GLITCH_F_SLOW_CLK | + BYT_GLITCH_F_FAST_CLK; writel(value, reg);