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 X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EA35AC43462 for ; Mon, 10 May 2021 12:49:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B67116145F for ; Mon, 10 May 2021 12:49:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241383AbhEJMoY (ORCPT ); Mon, 10 May 2021 08:44:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:56146 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238089AbhEJLRB (ORCPT ); Mon, 10 May 2021 07:17:01 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 6EACF61628; Mon, 10 May 2021 11:12:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1620645150; bh=Ga0GcZJ15+mCFyWQygC1n0QxlS2LBSHB5Xti+h6bYng=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=E8MWQ5loY0cr3fVcfFPxgMwbjwtk2NishDWyFIzty1O8VlQVyq1ZTwYzqieSXPQkS G21OHGwfbVnsN9Ip6BuYS0xVjOg090xU9QZ4nBnP9+Bc8n4uDD39ie7RijNujqhnNR 31OC2g7KaicmGEauY8k9Aanuc6gq+P4LyLIrs1w4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Marek Vasut , Amitkumar Karwar , Angus Ainslie , "David S. Miller" , Jakub Kicinski , Kalle Valo , Karun Eagalapati , Martin Kepplinger , Sebastian Krzyszkowiak , Siva Rebbagondla , netdev@vger.kernel.org Subject: [PATCH 5.12 372/384] rsi: Use resume_noirq for SDIO Date: Mon, 10 May 2021 12:22:41 +0200 Message-Id: <20210510102027.031476939@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210510102014.849075526@linuxfoundation.org> References: <20210510102014.849075526@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: Marek Vasut commit c434e5e48dc4e626364491455f97e2db0aa137b1 upstream. The rsi_resume() does access the bus to enable interrupts on the RSI SDIO WiFi card, however when calling sdio_claim_host() in the resume path, it is possible the bus is already claimed and sdio_claim_host() spins indefinitelly. Enable the SDIO card interrupts in resume_noirq instead to prevent anything else from claiming the SDIO bus first. Fixes: 20db07332736 ("rsi: sdio suspend and resume support") Signed-off-by: Marek Vasut Cc: Amitkumar Karwar Cc: Angus Ainslie Cc: David S. Miller Cc: Jakub Kicinski Cc: Kalle Valo Cc: Karun Eagalapati Cc: Martin Kepplinger Cc: Sebastian Krzyszkowiak Cc: Siva Rebbagondla Cc: netdev@vger.kernel.org Cc: stable@vger.kernel.org Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20210327235932.175896-1-marex@denx.de Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/rsi/rsi_91x_sdio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/wireless/rsi/rsi_91x_sdio.c +++ b/drivers/net/wireless/rsi/rsi_91x_sdio.c @@ -1513,7 +1513,7 @@ static int rsi_restore(struct device *de } static const struct dev_pm_ops rsi_pm_ops = { .suspend = rsi_suspend, - .resume = rsi_resume, + .resume_noirq = rsi_resume, .freeze = rsi_freeze, .thaw = rsi_thaw, .restore = rsi_restore,