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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 5EEDFC10F29 for ; Tue, 17 Mar 2020 11:11:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 370FF20658 for ; Tue, 17 Mar 2020 11:11:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1584443477; bh=eFg44DtLtx240mxrbqaeZnXCo/psQRsqmlQBJ5JYo0E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=vmak2yDneh9DMvW2Fc2ZqmLWhoQyG6bhK5/d3J6Dh8VhmlbtdheVRLRS/DqQb98FN s/YOGNAZxpq74VZWnpw3ftGzbzozJmetCcpCeGhLFkozuF8972F3A2tRE8qXPQWOnO 0yHQxd7fFeEJl+ugQr3UkC7bXnXj2hAhJQ98UPQ0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729201AbgCQLLQ (ORCPT ); Tue, 17 Mar 2020 07:11:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:54338 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729178AbgCQLLN (ORCPT ); Tue, 17 Mar 2020 07:11:13 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 10B8A205ED; Tue, 17 Mar 2020 11:11:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1584443471; bh=eFg44DtLtx240mxrbqaeZnXCo/psQRsqmlQBJ5JYo0E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=t78Y+1jxL4DhIEb+ZaNAFi1D+d2szoNFiUC0oTkXz1B6qD3sn+1QHNowmN5ba/tuZ DwLRNSgQDKXoQ/l5z1/yf44O1NCKj2ZOnjTXZgPs9ppu+hgrqi+1ZxrlS9OsPQznMQ ZYY1B2+pH/8NmgvNjBMR+PGblqgqdWvqbzmoyhk0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ben Chuang , Raul E Rangel , Ulf Hansson Subject: [PATCH 5.5 091/151] mmc: sdhci-pci-gli: Enable MSI interrupt for GL975x Date: Tue, 17 Mar 2020 11:55:01 +0100 Message-Id: <20200317103332.914733778@linuxfoundation.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200317103326.593639086@linuxfoundation.org> References: <20200317103326.593639086@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ben Chuang commit 31e43f31890ca6e909b27dcb539252b46aa465da upstream. Enable MSI interrupt for GL9750/GL9755. Some platforms do not support PCI INTx and devices can not work without interrupt. Like messages below: [ 4.487132] sdhci-pci 0000:01:00.0: SDHCI controller found [17a0:9755] (rev 0) [ 4.487198] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.PBR2._PRT.APS2], AE_NOT_FOUND (20190816/psargs-330) [ 4.487397] ACPI Error: Aborting method \_SB.PCI0.PBR2._PRT due to previous error (AE_NOT_FOUND) (20190816/psparse-529) [ 4.487707] pcieport 0000:00:01.3: can't derive routing for PCI INT A [ 4.487709] sdhci-pci 0000:01:00.0: PCI INT A: no GSI Signed-off-by: Ben Chuang Tested-by: Raul E Rangel Fixes: e51df6ce668a ("mmc: host: sdhci-pci: Add Genesys Logic GL975x support") Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20200219092900.9151-1-benchuanggli@gmail.com Signed-off-by: Ulf Hansson Signed-off-by: Greg Kroah-Hartman --- drivers/mmc/host/sdhci-pci-gli.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) --- a/drivers/mmc/host/sdhci-pci-gli.c +++ b/drivers/mmc/host/sdhci-pci-gli.c @@ -262,10 +262,26 @@ static int gl9750_execute_tuning(struct return 0; } +static void gli_pcie_enable_msi(struct sdhci_pci_slot *slot) +{ + int ret; + + ret = pci_alloc_irq_vectors(slot->chip->pdev, 1, 1, + PCI_IRQ_MSI | PCI_IRQ_MSIX); + if (ret < 0) { + pr_warn("%s: enable PCI MSI failed, error=%d\n", + mmc_hostname(slot->host->mmc), ret); + return; + } + + slot->host->irq = pci_irq_vector(slot->chip->pdev, 0); +} + static int gli_probe_slot_gl9750(struct sdhci_pci_slot *slot) { struct sdhci_host *host = slot->host; + gli_pcie_enable_msi(slot); slot->host->mmc->caps2 |= MMC_CAP2_NO_SDIO; sdhci_enable_v4_mode(host); @@ -276,6 +292,7 @@ static int gli_probe_slot_gl9755(struct { struct sdhci_host *host = slot->host; + gli_pcie_enable_msi(slot); slot->host->mmc->caps2 |= MMC_CAP2_NO_SDIO; sdhci_enable_v4_mode(host);