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=-19.3 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,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 EEFC6C4332B for ; Tue, 12 Jan 2021 12:57:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A3E612312B for ; Tue, 12 Jan 2021 12:57:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390030AbhALM5W (ORCPT ); Tue, 12 Jan 2021 07:57:22 -0500 Received: from mail.kernel.org ([198.145.29.99]:53820 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389785AbhALM5O (ORCPT ); Tue, 12 Jan 2021 07:57:14 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id A549423131; Tue, 12 Jan 2021 12:56:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1610456162; bh=BLAwquNKZXLn8diNN8LutklPMIW3oudpGbujxE4AkKs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sqfI9v5R7NX03E4V3UyhYgbw+VqK4H4eWE4luU2htmHXZZe8mUynEpS2luU4a4zOq iyQpLf9NxZOGt3/QAGMkKz8LW19xBpiNB2IqyemuI1tlu6DcKwSr2hGuNbN3VJAmEJ lAsOZN4tYCQvimYWBg2M1J85Fs9x4l2i8hQ/ROekrS8EJTLBonCjxf/FxZ43pmtuM/ 7sFNWVXou5Qh1k/rmZC4wo2I/fD74fs48xMCzOYgyxOHi9D4aygo4NXhyYYxx0dkRz QlGY9PQtvQVnP1UdqYUgu1b3EmZzcNkuHjVpNlmOGZGsd5lLprfRIe9ByN7Sf49dRL TquB9s5hBrzFA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Oded Gabbay , Sasha Levin Subject: [PATCH AUTOSEL 5.10 20/51] habanalabs/gaudi: retry loading TPC f/w on -EINTR Date: Tue, 12 Jan 2021 07:55:02 -0500 Message-Id: <20210112125534.70280-20-sashal@kernel.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210112125534.70280-1-sashal@kernel.org> References: <20210112125534.70280-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Oded Gabbay [ Upstream commit 98e8781f008372057bd5cb059ca6b507371e473d ] If loading the firmware file for the TPC f/w was interrupted, try to do it again, up to 5 times. Signed-off-by: Oded Gabbay Signed-off-by: Sasha Levin --- drivers/misc/habanalabs/gaudi/gaudi.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index 36f0bb7154ab9..ed1bd41262ecd 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -754,11 +754,17 @@ static int gaudi_init_tpc_mem(struct hl_device *hdev) size_t fw_size; void *cpu_addr; dma_addr_t dma_handle; - int rc; + int rc, count = 5; +again: rc = request_firmware(&fw, GAUDI_TPC_FW_FILE, hdev->dev); + if (rc == -EINTR && count-- > 0) { + msleep(50); + goto again; + } + if (rc) { - dev_err(hdev->dev, "Firmware file %s is not found!\n", + dev_err(hdev->dev, "Failed to load firmware file %s\n", GAUDI_TPC_FW_FILE); goto out; } -- 2.27.0