From patchwork Tue Jul 20 03:28:15 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Maciej W. Rozycki" X-Patchwork-Id: 481901 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=-15.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=unavailable 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 2C8D4C636C8 for ; Tue, 20 Jul 2021 03:28:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 18D366113B for ; Tue, 20 Jul 2021 03:28:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346555AbhGTCrs (ORCPT ); Mon, 19 Jul 2021 22:47:48 -0400 Received: from angie.orcam.me.uk ([78.133.224.34]:60964 "EHLO angie.orcam.me.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243294AbhGTCri (ORCPT ); Mon, 19 Jul 2021 22:47:38 -0400 Received: by angie.orcam.me.uk (Postfix, from userid 500) id 611F89200C1; Tue, 20 Jul 2021 05:28:15 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by angie.orcam.me.uk (Postfix) with ESMTP id 5AF8A9200C0; Tue, 20 Jul 2021 05:28:15 +0200 (CEST) Date: Tue, 20 Jul 2021 05:28:15 +0200 (CEST) From: "Maciej W. Rozycki" To: Nikolai Zhubr , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Bjorn Helgaas , "Rafael J. Wysocki" , Len Brown , Pavel Machek , Paolo Bonzini , Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel cc: x86@kernel.org, linux-pci@vger.kernel.org, linux-pm@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 6/6] x86: Fix typo s/ECLR/ELCR/ for the PIC register In-Reply-To: Message-ID: References: User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org The proper spelling for the acronym referring to the Edge/Level Control Register is ELCR rather than ECLR. Adjust references accordingly. No functional change. Signed-off-by: Maciej W. Rozycki --- arch/x86/kernel/acpi/boot.c | 6 +++--- arch/x86/kvm/i8259.c | 20 ++++++++++---------- arch/x86/kvm/irq.h | 2 +- 3 files changed, 14 insertions(+), 14 deletions(-) linux-x86-pic-elcr-typo.diff Index: linux-macro-pirq/arch/x86/kernel/acpi/boot.c =================================================================== --- linux-macro-pirq.orig/arch/x86/kernel/acpi/boot.c +++ linux-macro-pirq/arch/x86/kernel/acpi/boot.c @@ -558,10 +558,10 @@ acpi_parse_nmi_src(union acpi_subtable_h * If a PIC-mode SCI is not recognized or gives spurious IRQ7's * it may require Edge Trigger -- use "acpi_sci=edge" * - * Port 0x4d0-4d1 are ECLR1 and ECLR2, the Edge/Level Control Registers + * Port 0x4d0-4d1 are ELCR1 and ELCR2, the Edge/Level Control Registers * for the 8259 PIC. bit[n] = 1 means irq[n] is Level, otherwise Edge. - * ECLR1 is IRQs 0-7 (IRQ 0, 1, 2 must be 0) - * ECLR2 is IRQs 8-15 (IRQ 8, 13 must be 0) + * ELCR1 is IRQs 0-7 (IRQ 0, 1, 2 must be 0) + * ELCR2 is IRQs 8-15 (IRQ 8, 13 must be 0) */ void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger) Index: linux-macro-pirq/arch/x86/kvm/i8259.c =================================================================== --- linux-macro-pirq.orig/arch/x86/kvm/i8259.c +++ linux-macro-pirq/arch/x86/kvm/i8259.c @@ -541,17 +541,17 @@ static int picdev_slave_read(struct kvm_ addr, len, val); } -static int picdev_eclr_write(struct kvm_vcpu *vcpu, struct kvm_io_device *dev, +static int picdev_elcr_write(struct kvm_vcpu *vcpu, struct kvm_io_device *dev, gpa_t addr, int len, const void *val) { - return picdev_write(container_of(dev, struct kvm_pic, dev_eclr), + return picdev_write(container_of(dev, struct kvm_pic, dev_elcr), addr, len, val); } -static int picdev_eclr_read(struct kvm_vcpu *vcpu, struct kvm_io_device *dev, +static int picdev_elcr_read(struct kvm_vcpu *vcpu, struct kvm_io_device *dev, gpa_t addr, int len, void *val) { - return picdev_read(container_of(dev, struct kvm_pic, dev_eclr), + return picdev_read(container_of(dev, struct kvm_pic, dev_elcr), addr, len, val); } @@ -577,9 +577,9 @@ static const struct kvm_io_device_ops pi .write = picdev_slave_write, }; -static const struct kvm_io_device_ops picdev_eclr_ops = { - .read = picdev_eclr_read, - .write = picdev_eclr_write, +static const struct kvm_io_device_ops picdev_elcr_ops = { + .read = picdev_elcr_read, + .write = picdev_elcr_write, }; int kvm_pic_init(struct kvm *kvm) @@ -602,7 +602,7 @@ int kvm_pic_init(struct kvm *kvm) */ kvm_iodevice_init(&s->dev_master, &picdev_master_ops); kvm_iodevice_init(&s->dev_slave, &picdev_slave_ops); - kvm_iodevice_init(&s->dev_eclr, &picdev_eclr_ops); + kvm_iodevice_init(&s->dev_elcr, &picdev_elcr_ops); mutex_lock(&kvm->slots_lock); ret = kvm_io_bus_register_dev(kvm, KVM_PIO_BUS, 0x20, 2, &s->dev_master); @@ -613,7 +613,7 @@ int kvm_pic_init(struct kvm *kvm) if (ret < 0) goto fail_unreg_2; - ret = kvm_io_bus_register_dev(kvm, KVM_PIO_BUS, 0x4d0, 2, &s->dev_eclr); + ret = kvm_io_bus_register_dev(kvm, KVM_PIO_BUS, 0x4d0, 2, &s->dev_elcr); if (ret < 0) goto fail_unreg_1; @@ -647,7 +647,7 @@ void kvm_pic_destroy(struct kvm *kvm) mutex_lock(&kvm->slots_lock); kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_master); kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_slave); - kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_eclr); + kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_elcr); mutex_unlock(&kvm->slots_lock); kvm->arch.vpic = NULL; Index: linux-macro-pirq/arch/x86/kvm/irq.h =================================================================== --- linux-macro-pirq.orig/arch/x86/kvm/irq.h +++ linux-macro-pirq/arch/x86/kvm/irq.h @@ -55,7 +55,7 @@ struct kvm_pic { int output; /* intr from master PIC */ struct kvm_io_device dev_master; struct kvm_io_device dev_slave; - struct kvm_io_device dev_eclr; + struct kvm_io_device dev_elcr; void (*ack_notifier)(void *opaque, int irq); unsigned long irq_states[PIC_NUM_PINS]; };