From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Sinan Kaya To: linux-acpi@vger.kernel.org, rjw@rjwysocki.net, bhelgaas@google.com, ravikanth.nalla@hpe.com, linux@rainbow-software.org, timur@codeaurora.org, cov@codeaurora.org, jcm@redhat.com, alex.williamson@redhat.com Cc: linux-pci@vger.kernel.org, agross@codeaurora.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, wim@djo.tudelft.nl, Sinan Kaya , Len Brown , linux-kernel@vger.kernel.org Subject: [PATCH V2 2/3] ACPI, PCI IRQ: add PCI_USING penalty for ISA interrupts Date: Tue, 4 Oct 2016 17:15:18 -0400 Message-Id: <1475615720-31047-3-git-send-email-okaya@codeaurora.org> In-Reply-To: <1475615720-31047-1-git-send-email-okaya@codeaurora.org> References: <1475615720-31047-1-git-send-email-okaya@codeaurora.org> Sender: linux-acpi-owner@vger.kernel.org List-ID: The change introduced in commit 103544d86976 ("ACPI,PCI,IRQ: reduce resource requirements") removed PCI_USING penalty from acpi_pci_link_allocate function as there is no longer a fixed size penalty array for both PCI and IRQ interrupts. We need to add the PCI_USING penalty for ISA interrupts too if the link is in use and matches our ISA IRQ number. Tested-by: Jonathan Liu Tested-by: Ondrej Zary Signed-off-by: Sinan Kaya --- drivers/acpi/pci_link.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index f3792f4..06c2a11 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -620,6 +620,10 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link) acpi_device_bid(link->device)); return -ENODEV; } else { + if (link->irq.active < ACPI_MAX_IRQS) + acpi_irq_penalty[link->irq.active] += + PIRQ_PENALTY_PCI_USING; + printk(KERN_WARNING PREFIX "%s [%s] enabled at IRQ %d\n", acpi_device_name(link->device), acpi_device_bid(link->device), link->irq.active); -- 1.9.1