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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 42A28C2D0DB for ; Tue, 28 Jan 2020 14:34:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 17A9220716 for ; Tue, 28 Jan 2020 14:34:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580222090; bh=JlBcrsMyqtkte5MzpILC6IwTloc/Cakizcl6i2FH4jI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=CT52QtmOKIDrxgE/kdXElG3OBzvzKjIenogGmgWxJMZZoP1LSl/a5wgO8p697WbuZ YdMSbRJRA8yLtvn+O9vLIbbKvDmTAHdZttx6zVWcVs24l6Ro4OJRm8FmdNcfPkHtiZ tdXGuLYRGmrAlG5X4rncgHIFQk7QwHctrMfcifDo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733259AbgA1Oet (ORCPT ); Tue, 28 Jan 2020 09:34:49 -0500 Received: from mail.kernel.org ([198.145.29.99]:50142 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726710AbgA1OXs (ORCPT ); Tue, 28 Jan 2020 09:23:48 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8B7A524690; Tue, 28 Jan 2020 14:23:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1580221428; bh=JlBcrsMyqtkte5MzpILC6IwTloc/Cakizcl6i2FH4jI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MH+SsTdzOJ4RfjELI+fgTVDWmYWJHXBW/TYNLQX5kP+vTUzZE9zf8geBfPLjveTcy L1e0SwNxVE+si0LJw8LC72OS2NqD+hX8AKk4al6S0Z3XnOTNDVL9rV8+WpGrJU78NS to0NJ2sqbDx3bbZchaRRxlnTD1lm8oFWzwt57NEM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Stefan Wahren , Stefan Wahren , "David S. Miller" , Sasha Levin Subject: [PATCH 4.9 219/271] net: qca_spi: Move reset_count to struct qcaspi Date: Tue, 28 Jan 2020 15:06:08 +0100 Message-Id: <20200128135908.848301624@linuxfoundation.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200128135852.449088278@linuxfoundation.org> References: <20200128135852.449088278@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Stefan Wahren [ Upstream commit bc19c32904e36548335b35fdce6ce734e20afc0a ] The reset counter is specific for every QCA700x chip. So move this into the private driver struct. Otherwise we get unpredictable reset behavior in setups with multiple QCA700x chips. Fixes: 291ab06ecf67 (net: qualcomm: new Ethernet over SPI driver for QCA7000) Signed-off-by: Stefan Wahren Signed-off-by: Stefan Wahren Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/qualcomm/qca_spi.c | 9 ++++----- drivers/net/ethernet/qualcomm/qca_spi.h | 1 + 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c index 21f546587e3d5..31583d6f044f4 100644 --- a/drivers/net/ethernet/qualcomm/qca_spi.c +++ b/drivers/net/ethernet/qualcomm/qca_spi.c @@ -438,7 +438,6 @@ qcaspi_qca7k_sync(struct qcaspi *qca, int event) u16 signature = 0; u16 spi_config; u16 wrbuf_space = 0; - static u16 reset_count; if (event == QCASPI_EVENT_CPUON) { /* Read signature twice, if not valid @@ -491,13 +490,13 @@ qcaspi_qca7k_sync(struct qcaspi *qca, int event) qca->sync = QCASPI_SYNC_RESET; qca->stats.trig_reset++; - reset_count = 0; + qca->reset_count = 0; break; case QCASPI_SYNC_RESET: - reset_count++; + qca->reset_count++; netdev_dbg(qca->net_dev, "sync: waiting for CPU on, count %u.\n", - reset_count); - if (reset_count >= QCASPI_RESET_TIMEOUT) { + qca->reset_count); + if (qca->reset_count >= QCASPI_RESET_TIMEOUT) { /* reset did not seem to take place, try again */ qca->sync = QCASPI_SYNC_UNKNOWN; qca->stats.reset_timeout++; diff --git a/drivers/net/ethernet/qualcomm/qca_spi.h b/drivers/net/ethernet/qualcomm/qca_spi.h index 6e31a0e744a45..c48c314ca4dfa 100644 --- a/drivers/net/ethernet/qualcomm/qca_spi.h +++ b/drivers/net/ethernet/qualcomm/qca_spi.h @@ -97,6 +97,7 @@ struct qcaspi { unsigned int intr_req; unsigned int intr_svc; + u16 reset_count; #ifdef CONFIG_DEBUG_FS struct dentry *device_root; -- 2.20.1