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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 ABFCCC33CAF for ; Thu, 16 Jan 2020 18:00:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 835862464B for ; Thu, 16 Jan 2020 18:00:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579197622; bh=WA3U/r//9cm2sKTS9jnpmWEUYRRJqifW3XA904FrhdE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=1xIFmqlWUl0kMidZuJDGEwIGrtMbJYNn3uql/X9Hh1aPnxz/S/oSpwGJjztoWLlqb gXAgB9xQ24+PYnnt8HhvmRXq+QPvZQJbket+BEHgNGsPfuJWtgtv8BrPSL1r2Fz/y5 yd7R0uVKlO98/+kiWCkEXGZsz8Ry8pv2KtjxXPuM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405803AbgAPRlv (ORCPT ); Thu, 16 Jan 2020 12:41:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:58708 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388445AbgAPRlL (ORCPT ); Thu, 16 Jan 2020 12:41:11 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id F1080246A1; Thu, 16 Jan 2020 17:41:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579196470; bh=WA3U/r//9cm2sKTS9jnpmWEUYRRJqifW3XA904FrhdE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=2aE75OCrjbD57022aqdVTD+EXT9PDIAX/paHSg17Dqun3eNZk7+dK2dHBkgcBs9mh pwoWEaTlznjn5fnlLbD01KHiBLfpMQ0FZFw6ctNbjChGpz/zntEQhSDv1iOpRy/JIg dR5rC0GlyND6S6T5IKkIMOHIOe6WBT0+TASGxciA= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Stefan Wahren , Stefan Wahren , "David S . Miller" , Sasha Levin , netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 221/251] net: qca_spi: Move reset_count to struct qcaspi Date: Thu, 16 Jan 2020 12:36:10 -0500 Message-Id: <20200116173641.22137-181-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200116173641.22137-1-sashal@kernel.org> References: <20200116173641.22137-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore 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 21f546587e3d..31583d6f044f 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 6e31a0e744a4..c48c314ca4df 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