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=-12.6 required=3.0 tests=BAYES_00,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 9D5D4C43461 for ; Wed, 16 Sep 2020 21:00:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3D6A0206D4 for ; Wed, 16 Sep 2020 21:00:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="rBqjeM5v" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728535AbgIPVAl (ORCPT ); Wed, 16 Sep 2020 17:00:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51406 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726416AbgIPQaY (ORCPT ); Wed, 16 Sep 2020 12:30:24 -0400 Received: from mail-wr1-x443.google.com (mail-wr1-x443.google.com [IPv6:2a00:1450:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D1268C0086D5 for ; Wed, 16 Sep 2020 06:43:38 -0700 (PDT) Received: by mail-wr1-x443.google.com with SMTP id z1so7005055wrt.3 for ; Wed, 16 Sep 2020 06:43:38 -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; bh=XQmdopnzWqOmDvS+g/Rq3jbhOZjrWPWcomCMlsaruYc=; b=rBqjeM5vLBuqFUcAWJFNyLu+JxvrwxrSVutGz4fWN454xdDybsqEEnl0GsdWC125i7 RJuOZv+3/4M5CeZGjT8fND/QY9UzV53RDlBYKfWDI1GVoBVdR4c4IoD5fvjGujo27ScE YfiXrxLUY1v9VREGC1kQYazdyHzpQWsqgXzCHOvsg3PdPYZsh9Jpdcx2D0GubAhfOVRJ Xa1WM90/7w9QqxWhYlt8kgwJJQz7r+X9hE2X+LsJeIIYwjRjO0RPfqrkrRWpxzmvh79E /pJQ8x9ZCqF7tiyu5NQ/f5FXdAFRsMv5TUlGiZdydup7qQTOQx3sor0Ols2smwzuM6WT qFVQ== 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; bh=XQmdopnzWqOmDvS+g/Rq3jbhOZjrWPWcomCMlsaruYc=; b=U/JCShL8gjtBbXnFZjSxlG3tWSQ/1SBdnmmCD8MFuapf5xHAedrmYlBEEeWxnFvAlN Un+PSPNzn8Q5EUma5QEJf1dYqqBUa0m2hnrWIEYKekVANqq6e1H2Jko1A5nsZujExDZs 7bzKu8OXbk8RisEPzdVG0UKDRS29iqkvJcOaRw8qnejAGBPD2U305yjPoEhzFJNUJ6Q2 FOjtVNfnjBRJCzRwZqRjYuX3pheAWulxYJHa/qSH1fNQmDeSk5PgZT6eeFT7u30LYyyC imC465NqLy242PSdRml5P6WO++SRlXDjRe9O9pwJz35dN9BfFa/UePmp9YtPhSZopdEm RDbg== X-Gm-Message-State: AOAM531VDbrzk1/F9mMu8ciNSewJjK9Hkdp2Y/xV/t25nklH3c1CVEqi LV08vYPDaRGNs7dnYxopXii7FJBjPeU= X-Google-Smtp-Source: ABdhPJy2pgDiuyKeQNxUByIwc9IcmutI7Odry9dHKd4Hbc4BeInDhUuG17aQE/Y0GPInY1dbtGtyJw== X-Received: by 2002:a5d:56c1:: with SMTP id m1mr25805287wrw.87.1600263816197; Wed, 16 Sep 2020 06:43:36 -0700 (PDT) Received: from ogabbay-VM.habana-labs.com ([213.57.90.10]) by smtp.gmail.com with ESMTPSA id w81sm5658664wmg.47.2020.09.16.06.43.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Sep 2020 06:43:34 -0700 (PDT) From: Oded Gabbay To: linux-kernel@vger.kernel.org Cc: SW_Drivers@habana.ai Subject: [PATCH 1/3] habanalabs/gaudi: remove axi drain support Date: Wed, 16 Sep 2020 16:43:31 +0300 Message-Id: <20200916134333.4029-1-oded.gabbay@gmail.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org AXI drain is broken in GAUDI so remove support for enabling it. Signed-off-by: Oded Gabbay --- drivers/misc/habanalabs/gaudi/gaudi.c | 16 ---------------- 1 file changed, 16 deletions(-) diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index 6f7f6ad7a358..2c10e3f92c86 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -2885,22 +2885,6 @@ static void gaudi_pre_hw_init(struct hl_device *hdev) */ RREG32(mmPCIE_WRAP_LBW_PROT_OVR); - if (hdev->axi_drain) { - WREG32(mmPCIE_WRAP_LBW_DRAIN_CFG, - 1 << PCIE_WRAP_LBW_DRAIN_CFG_EN_SHIFT); - WREG32(mmPCIE_WRAP_HBW_DRAIN_CFG, - 1 << PCIE_WRAP_HBW_DRAIN_CFG_EN_SHIFT); - - /* Perform read to flush the DRAIN cfg */ - RREG32(mmPCIE_WRAP_HBW_DRAIN_CFG); - } else { - WREG32(mmPCIE_WRAP_LBW_DRAIN_CFG, 0); - WREG32(mmPCIE_WRAP_HBW_DRAIN_CFG, 0); - - /* Perform read to flush the DRAIN cfg */ - RREG32(mmPCIE_WRAP_HBW_DRAIN_CFG); - } - /* Configure the reset registers. Must be done as early as possible * in case we fail during H/W initialization */ -- 2.17.1