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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,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 2E91CC47097 for ; Mon, 31 May 2021 16:59:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0548561042 for ; Mon, 31 May 2021 16:59:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234782AbhEaQ7p (ORCPT ); Mon, 31 May 2021 12:59:45 -0400 Received: from mail.kernel.org ([198.145.29.99]:57256 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233964AbhEaPPw (ORCPT ); Mon, 31 May 2021 11:15:52 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id EADE0611CA for ; Mon, 31 May 2021 15:14:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1622474052; bh=APqh+mpty7VmfQtfJkHwTGmT6zlLWbDer8Q0cDH9f90=; h=From:To:Subject:Date:In-Reply-To:References:From; b=JSKmX4KWkAP+VdafmMnZ0YHJ8aKY6nqjciDRP5G3FX7fwXgDUzpIIWEM6TysMHBEz stBqIzoQAsrCtCgtyjWeCNxOXkDbF+AE+c7kWDcM47kXtvmbQj7F7YrDIhBt6Ltk20 gM8pN44BlN2xRzSolGWbhHycAyPKpx36caes/Imhx3gegYl5L/GUu6Aoc9DAzq/a5H cBJtww7qBsr9CwmkPtp9o10tFw28tTPLHy/jLDZBrh33sURIJRrn0J2iWEVFz7RG28 YWFJH0JCd1z1Iwe4hFQp7W9eMEj7SLbPgunjWZQjr9dmySWsp7csCf0Wazm6goaSgN pp3lEeaTeglwg== From: Oded Gabbay To: linux-kernel@vger.kernel.org Subject: [PATCH 4/6] habanalabs: prefer ASYNC device probing Date: Mon, 31 May 2021 18:14:01 +0300 Message-Id: <20210531151403.12494-4-ogabbay@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210531151403.12494-1-ogabbay@kernel.org> References: <20210531151403.12494-1-ogabbay@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There is no dependency when probing multiple devices so indicate to the kernel that it can probe our devices in ASYNC fashion. This shortens insmod of the driver from ~2 minutes to 20 seconds on a system with 8 devices. Signed-off-by: Oded Gabbay --- drivers/misc/habanalabs/common/habanalabs_drv.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/misc/habanalabs/common/habanalabs_drv.c b/drivers/misc/habanalabs/common/habanalabs_drv.c index bd67d4ceab56..137e7dc63d3b 100644 --- a/drivers/misc/habanalabs/common/habanalabs_drv.c +++ b/drivers/misc/habanalabs/common/habanalabs_drv.c @@ -574,7 +574,11 @@ static struct pci_driver hl_pci_driver = { .probe = hl_pci_probe, .remove = hl_pci_remove, .shutdown = hl_pci_remove, - .driver.pm = &hl_pm_ops, + .driver = { + .name = HL_NAME, + .pm = &hl_pm_ops, + .probe_type = PROBE_PREFER_ASYNCHRONOUS, + }, .err_handler = &hl_pci_err_handler, }; -- 2.25.1