From patchwork Sun Apr 17 17:36:55 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sinan Kaya X-Patchwork-Id: 611495 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3qnz5G0QXHz9t5t for ; Mon, 18 Apr 2016 03:38:10 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751487AbcDQRhs (ORCPT ); Sun, 17 Apr 2016 13:37:48 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:60725 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751025AbcDQRhV (ORCPT ); Sun, 17 Apr 2016 13:37:21 -0400 Received: from smtp.codeaurora.org (localhost [127.0.0.1]) by smtp.codeaurora.org (Postfix) with ESMTP id E561C615C7; Sun, 17 Apr 2016 17:37:19 +0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1000) id D1DBE61622; Sun, 17 Apr 2016 17:37:19 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=ALL_TRUSTED,BAYES_00 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from drakthul.qualcomm.com (global_nat1_iad_fw.qualcomm.com [129.46.232.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: okaya@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 4084C6075C; Sun, 17 Apr 2016 17:37:17 +0000 (UTC) From: Sinan Kaya To: linux-acpi@vger.kernel.org, timur@codeaurora.org, cov@codeaurora.org Cc: linux-pci@vger.kernel.org, ravikanth.nalla@hpe.com, lenb@kernel.org, harish.k@hpe.com, ashwin.reghunandanan@hpe.com, bhelgaas@google.com, rjw@rjwysocki.net, Sinan Kaya , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , x86@kernel.org, Robert Moore , Lv Zheng , linux-kernel@vger.kernel.org, devel@acpica.org Subject: [PATCH V3 3/4] acpi, pci, irq: remove redundant code in acpi_irq_penalty_init Date: Sun, 17 Apr 2016 13:36:55 -0400 Message-Id: <1460914617-8259-3-git-send-email-okaya@codeaurora.org> X-Mailer: git-send-email 1.8.2.1 In-Reply-To: <1460914617-8259-1-git-send-email-okaya@codeaurora.org> References: <1460914617-8259-1-git-send-email-okaya@codeaurora.org> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org acpi_irq_get_penalty is now calculating the penalty on the fly now. No need to maintain global list of penalties or calculate them at the init time. Removing duplicate code in acpi_irq_penalty_init. Signed-off-by: Sinan Kaya --- arch/x86/pci/acpi.c | 1 - drivers/acpi/pci_link.c | 36 ------------------------------------ include/acpi/acpi_drivers.h | 1 - 3 files changed, 38 deletions(-) diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index 3cd6983..b2a4e2a 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -396,7 +396,6 @@ int __init pci_acpi_init(void) return -ENODEV; printk(KERN_INFO "PCI: Using ACPI for IRQ routing\n"); - acpi_irq_penalty_init(); pcibios_enable_irq = acpi_pci_irq_enable; pcibios_disable_irq = acpi_pci_irq_disable; x86_init.pci.init_irq = x86_init_noop; diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index 12ea784..ab39208 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -520,42 +520,6 @@ static int acpi_irq_get_penalty(int irq) return penalty; } -int __init acpi_irq_penalty_init(void) -{ - struct acpi_pci_link *link; - int i; - - /* - * Update penalties to facilitate IRQ balancing. - */ - list_for_each_entry(link, &acpi_link_list, list) { - - /* - * reflect the possible and active irqs in the penalty table -- - * useful for breaking ties. - */ - if (link->irq.possible_count) { - int penalty = - PIRQ_PENALTY_PCI_POSSIBLE / - link->irq.possible_count; - - for (i = 0; i < link->irq.possible_count; i++) { - if (link->irq.possible[i] < ACPI_MAX_ISA_IRQS) - acpi_isa_irq_penalty[link->irq. - possible[i]] += - penalty; - } - - } else if (link->irq.active && - (link->irq.active < ACPI_MAX_ISA_IRQS)) { - acpi_isa_irq_penalty[link->irq.active] += - PIRQ_PENALTY_PCI_POSSIBLE; - } - } - - return 0; -} - static int acpi_irq_balance = -1; /* 0: static, 1: balance */ static int acpi_pci_link_allocate(struct acpi_pci_link *link) diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h index 29c6912..797ae2e 100644 --- a/include/acpi/acpi_drivers.h +++ b/include/acpi/acpi_drivers.h @@ -78,7 +78,6 @@ /* ACPI PCI Interrupt Link (pci_link.c) */ -int acpi_irq_penalty_init(void); int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering, int *polarity, char **name); int acpi_pci_link_free_irq(acpi_handle handle);