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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 D68CCC282CD for ; Mon, 28 Jan 2019 17:49:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A55A320856 for ; Mon, 28 Jan 2019 17:49:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548697743; bh=Z8TiEyP7Fvh64SgbnroFeoKgPByJoeBc6HLA7pfB/6k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=fYbCDO6GPTarYTLBO3tarYHLOyCXfecNt0m7ZpWdXTwP2UDyVKaI+tQgBpwKFJkLf JfyI196A89Tjg1Zfnhwj30vLGaWmwG/mEvaEISyZkx9RDfFSDi1SzRfvxNt1aHMlzG ZIOKDRKByFeS7B9ES9uTwFRxvpTLe05veIz1c31I= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727918AbfA1RtB (ORCPT ); Mon, 28 Jan 2019 12:49:01 -0500 Received: from mail.kernel.org ([198.145.29.99]:58712 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727719AbfA1PpW (ORCPT ); Mon, 28 Jan 2019 10:45:22 -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 43B1920880; Mon, 28 Jan 2019 15:45:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548690321; bh=Z8TiEyP7Fvh64SgbnroFeoKgPByJoeBc6HLA7pfB/6k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bJuCaA0P9Wu0wk4cscso3LjG0qBpOFAO2sADN+kf/XM6OlBm3O6/tNWAB/IcjCvgG VmvPw+shOqXhl1yQjfgu4LJ8hw4PTIql/MveoMOwCsNdPPE/2cVzIxJGwuScVPUr7V g6vAwj3Wap9xt0IKGyJYtpKMEK8HGyfVmqvkOHFU= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Xiang Chen , John Garry , "Martin K . Petersen" , Sasha Levin , linux-scsi@vger.kernel.org Subject: [PATCH AUTOSEL 4.20 050/304] scsi: hisi_sas: change the time of SAS SSP connection Date: Mon, 28 Jan 2019 10:39:27 -0500 Message-Id: <20190128154341.47195-50-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190128154341.47195-1-sashal@kernel.org> References: <20190128154341.47195-1-sashal@kernel.org> MIME-Version: 1.0 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: Xiang Chen [ Upstream commit 15bc43f31a074076f114e0b87931e3b220b7bff1 ] Currently the time of SAS SSP connection is 1ms, which means the link connection will fail if no IO response after this period. For some disks handling large IO (such as 512k), 1ms is not enough, so change it to 5ms. Signed-off-by: Xiang Chen Signed-off-by: John Garry Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index a369450a1fa7..c3e0be90e19f 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -494,7 +494,7 @@ static void init_reg_v3_hw(struct hisi_hba *hisi_hba) hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_OOB_RESTART_MSK, 0x1); hisi_sas_phy_write32(hisi_hba, i, STP_LINK_TIMER, 0x7f7a120); hisi_sas_phy_write32(hisi_hba, i, CON_CFG_DRIVER, 0x2a0a01); - + hisi_sas_phy_write32(hisi_hba, i, SAS_SSP_CON_TIMER_CFG, 0x32); /* used for 12G negotiate */ hisi_sas_phy_write32(hisi_hba, i, COARSETUNE_TIME, 0x1e); hisi_sas_phy_write32(hisi_hba, i, AIP_LIMIT, 0x2ffff); -- 2.19.1