From patchwork Mon Jul 12 06:11:11 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 475652 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, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 2D139C07E9E for ; Mon, 12 Jul 2021 07:23:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1E70261879 for ; Mon, 12 Jul 2021 07:23:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243702AbhGLH0S (ORCPT ); Mon, 12 Jul 2021 03:26:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:32870 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245302AbhGLHYF (ORCPT ); Mon, 12 Jul 2021 03:24:05 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0D83C613EC; Mon, 12 Jul 2021 07:20:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626074459; bh=jsTkd2JjJ9CYwmy06dpRp8yB6q7ul0/a4TE2LckToqM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=2YmB0G/pPQlgd+fYmFjzV+96ZmqbeSfH8HKmtupXN0bHWNZhJJc/VwLZp6FUisvog oLJRLCojQTdEiPOstIXneeJRuF584VQ7E8JE1QopgnwnLI3LizM/kL2YMbQFAUMkxt W3u2KGT/GruFGoqwFQ6YmfGfrm47TxJFJlMJcX7k= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Joachim Fenkes , Joel Stanley , Sasha Levin Subject: [PATCH 5.12 588/700] fsi/sbefifo: Clean up correct FIFO when receiving reset request from SBE Date: Mon, 12 Jul 2021 08:11:11 +0200 Message-Id: <20210712061038.564051558@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210712060924.797321836@linuxfoundation.org> References: <20210712060924.797321836@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Joachim Fenkes [ Upstream commit 95152433e46fdb36652ebdbea442356a16ae1fa6 ] When the SBE requests a reset via the down FIFO, that is also the FIFO we should go and reset ;) Fixes: 9f4a8a2d7f9d ("fsi/sbefifo: Add driver for the SBE FIFO") Signed-off-by: Joachim Fenkes Signed-off-by: Joel Stanley Link: https://lore.kernel.org/r/20200724071518.430515-2-joel@jms.id.au Signed-off-by: Joel Stanley Signed-off-by: Sasha Levin --- drivers/fsi/fsi-sbefifo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/fsi/fsi-sbefifo.c b/drivers/fsi/fsi-sbefifo.c index bfd5e5da8020..de27c435d706 100644 --- a/drivers/fsi/fsi-sbefifo.c +++ b/drivers/fsi/fsi-sbefifo.c @@ -400,7 +400,7 @@ static int sbefifo_cleanup_hw(struct sbefifo *sbefifo) /* The FIFO already contains a reset request from the SBE ? */ if (down_status & SBEFIFO_STS_RESET_REQ) { dev_info(dev, "Cleanup: FIFO reset request set, resetting\n"); - rc = sbefifo_regw(sbefifo, SBEFIFO_UP, SBEFIFO_PERFORM_RESET); + rc = sbefifo_regw(sbefifo, SBEFIFO_DOWN, SBEFIFO_PERFORM_RESET); if (rc) { sbefifo->broken = true; dev_err(dev, "Cleanup: Reset reg write failed, rc=%d\n", rc);