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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 36DE5C31E40 for ; Fri, 9 Aug 2019 22:50:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 07CE820844 for ; Fri, 9 Aug 2019 22:50:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="s5RRib5q" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729779AbfHIWuc (ORCPT ); Fri, 9 Aug 2019 18:50:32 -0400 Received: from mail-qt1-f196.google.com ([209.85.160.196]:42252 "EHLO mail-qt1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729721AbfHIWua (ORCPT ); Fri, 9 Aug 2019 18:50:30 -0400 Received: by mail-qt1-f196.google.com with SMTP id t12so8813828qtp.9 for ; Fri, 09 Aug 2019 15:50:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=v1sOcuMv/2uHBK2P4/sE7Lsttb6UgjXcKXXXqrXRrS8=; b=s5RRib5qQIwF3vV0Ij5WvebwRR174Rr+uoXOPzXpHVzufihJ8dWKcIugNhnlNEZAql FfQYkA6JYc3eMS/V7281HXLrBGfszwvwCIqQ2MuAEJK5osFhmqQP2m3y3nLs0QclZ3Ta mWPPAHPoWRCBHxUr0hWLEtsU3GMDLxsdOuBjJGqHIJoWxmogOCpebsfIpnZE72UDiooe y99/OGZh/8ald/0/L/Sb/yqngVTmdZVULoFWxxsbKuGS4H8KR0fBnGRdgnfNk2SoA4Ny s3YdQ0CnItPxBp0j9lbzuTPRk4E+LUjmiiE8HEKcIIyxe+zHvUSJDD2czp7g5sVpirP7 gKOQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=v1sOcuMv/2uHBK2P4/sE7Lsttb6UgjXcKXXXqrXRrS8=; b=WDEURrM5RphKMHsgYbopBv3mnMp1V0od8ohV9jrbhxRneskgYF0CzWUDGEEdZfSw39 eHFb0idNYa2in5+OrCZ0W2jdmWW8GZWkLb8Ush6Ozv8Rp5XxU8cHH+qTCuFVHsyVOrnK d4L90FBwGazmEL8Jf+4zNgf3qwzdWv2KNzdR266C322OiwDON0l/wzmzU3+ZMOyF0gju HxVBRxrsWrHvoSWeuZT8Hejk9mMndyLdwxVNDxW38sw7g2hZr09LvYKSt8g046Ir/4G6 kvZD49i/8agTinZSpfAanbbvlyjcTutF36cMOK2IDZWgxuV1yZcZzuoM4fxDwdSSPRBT FD5Q== X-Gm-Message-State: APjAAAUrM+mmWpOmPkFk68Mgoqm4GdYDsGYQDaekYjgz4vX0QbcIlw5g p3B7jpkfnPHkeqAbngRdHYIjZ/x9 X-Google-Smtp-Source: APXvYqyvUnpsCmgG2Ci+Rdr+C6p1ylk3Dlrmvcd3p43SBFyV/8lQW4i/OZBhTZgR3NyC0Cgurrq7sw== X-Received: by 2002:aed:3f57:: with SMTP id q23mr15018847qtf.39.1565391029150; Fri, 09 Aug 2019 15:50:29 -0700 (PDT) Received: from localhost (modemcable249.105-163-184.mc.videotron.ca. [184.163.105.249]) by smtp.gmail.com with ESMTPSA id i5sm39678355qtp.20.2019.08.09.15.50.28 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Fri, 09 Aug 2019 15:50:28 -0700 (PDT) From: Vivien Didelot To: netdev@vger.kernel.org Cc: davem@davemloft.net, f.fainelli@gmail.com, andrew@lunn.ch, Vivien Didelot Subject: [PATCH net-next 7/7] net: dsa: mv88e6xxx: add delay in direct SMI wait Date: Fri, 9 Aug 2019 18:47:59 -0400 Message-Id: <20190809224759.5743-8-vivien.didelot@gmail.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190809224759.5743-1-vivien.didelot@gmail.com> References: <20190809224759.5743-1-vivien.didelot@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The mv88e6xxx_smi_direct_wait routine is used to wait on indirect registers access. It is of no exception and must delay between read attempts, like other wait routines. Signed-off-by: Vivien Didelot --- drivers/net/dsa/mv88e6xxx/smi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/dsa/mv88e6xxx/smi.c b/drivers/net/dsa/mv88e6xxx/smi.c index 18e87a5a20a3..282fe08db050 100644 --- a/drivers/net/dsa/mv88e6xxx/smi.c +++ b/drivers/net/dsa/mv88e6xxx/smi.c @@ -66,6 +66,8 @@ static int mv88e6xxx_smi_direct_wait(struct mv88e6xxx_chip *chip, if (!!(data & BIT(bit)) == !!val) return 0; + + usleep_range(1000, 2000); } return -ETIMEDOUT; -- 2.22.0