From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3E1CEC43217 for ; Mon, 25 Oct 2021 19:59:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2C26A60C4B for ; Mon, 25 Oct 2021 19:59:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237184AbhJYUCT (ORCPT ); Mon, 25 Oct 2021 16:02:19 -0400 Received: from mail.kernel.org ([198.145.29.99]:42728 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239599AbhJYT5R (ORCPT ); Mon, 25 Oct 2021 15:57:17 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1FF4D6103C; Mon, 25 Oct 2021 19:47:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1635191235; bh=4yy4YUF+QBR/7sO8gkppvifNcdNdChAN7GttZSCxP/s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vNV6yza2Yppne5hXJeiDsY4v4qbz3zEYiHy6ADcAIm2kHgAHLN4TafRU45YYvCfTY 3MnYJxWDECTURsgL+9gcXJaty0Yhs8RbZ7EUGM2Inyt4FIRuIrWcATG/NwCMMGNWeX forggcQ8AtAnoN0+KhNL3n+KjaqjTyk8JISYgb+8= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Fabien Dessenne , Linus Walleij Subject: [PATCH 5.14 169/169] pinctrl: stm32: use valid pin identifier in stm32_pinctrl_resume() Date: Mon, 25 Oct 2021 21:15:50 +0200 Message-Id: <20211025191038.909543663@linuxfoundation.org> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211025191017.756020307@linuxfoundation.org> References: <20211025191017.756020307@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Fabien Dessenne commit c370bb474016ab9edfdabd7c08a88dd13a71ddbd upstream. When resuming from low power, the driver attempts to restore the configuration of some pins. This is done by a call to: stm32_pinctrl_restore_gpio_regs(struct stm32_pinctrl *pctl, u32 pin) where 'pin' must be a valid pin value (i.e. matching some 'groups->pin'). Fix the current implementation which uses some wrong 'pin' value. Fixes: e2f3cf18c3e2 ("pinctrl: stm32: add suspend/resume management") Signed-off-by: Fabien Dessenne Link: https://lore.kernel.org/r/20211008122517.617633-1-fabien.dessenne@foss.st.com Signed-off-by: Linus Walleij Signed-off-by: Greg Kroah-Hartman --- drivers/pinctrl/stm32/pinctrl-stm32.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/pinctrl/stm32/pinctrl-stm32.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c @@ -1644,8 +1644,8 @@ int __maybe_unused stm32_pinctrl_resume( struct stm32_pinctrl_group *g = pctl->groups; int i; - for (i = g->pin; i < g->pin + pctl->ngroups; i++) - stm32_pinctrl_restore_gpio_regs(pctl, i); + for (i = 0; i < pctl->ngroups; i++, g++) + stm32_pinctrl_restore_gpio_regs(pctl, g->pin); return 0; }