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=-19.0 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 1CB2AC433DB for ; Tue, 29 Dec 2020 21:04:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C87BF21D1B for ; Tue, 29 Dec 2020 21:04:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726277AbgL2VEW (ORCPT ); Tue, 29 Dec 2020 16:04:22 -0500 Received: from mail.kernel.org ([198.145.29.99]:42968 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726111AbgL2VEW (ORCPT ); Tue, 29 Dec 2020 16:04:22 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4DA0C221F8 for ; Tue, 29 Dec 2020 21:03:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1609275821; bh=vOzMFJuWXgEfksjooO73m6TtYPkiviCsgpFWxG5I1IE=; h=From:To:Subject:Date:In-Reply-To:References:From; b=afrYDgWiZD5RsP4y24Gf4xBP8IQNuuR2h0hvJ2ZlpH03FNvkb5NDuiqPgkfGTqeVR zVnu4ObpKf7EfSPpvwmZpPo/VqJ+FnEyjEKz//KdmqUFFvAytfbIgnrsPDUEwKj0XM FNERRGB3eR5GJGSXZ22vcg7xHin2BClqfPtZZof6WIqh9VokUFch4SH/KHEzg9/glJ XmejDHiobov6RBtXzF8difw8eDzrxDK53e8EEtGdxhElRPPaeGt/hItsddZm/AsACN HKNpHSguY5E15RFT9lX9GvJZ21csQpB8QsWLY0blJyhiF1vR0q5brbL1dZY5m2BIGJ q84DtdP059zCA== From: Oded Gabbay To: linux-kernel@vger.kernel.org Subject: [PATCH] habanalabs/gaudi: retry loading TPC f/w on -EINTR Date: Tue, 29 Dec 2020 23:03:36 +0200 Message-Id: <20201229210337.2082-2-ogabbay@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201229210337.2082-1-ogabbay@kernel.org> References: <20201229210337.2082-1-ogabbay@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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 88d0e4356d59..8c09e4466af8 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -838,11 +838,17 @@ 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; } -- 2.25.1