From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ia0-f173.google.com ([209.85.210.173]:34868 "EHLO mail-ia0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753742Ab3DVXLQ (ORCPT ); Mon, 22 Apr 2013 19:11:16 -0400 Received: by mail-ia0-f173.google.com with SMTP id j5so8991iaf.32 for ; Mon, 22 Apr 2013 16:11:15 -0700 (PDT) Subject: [PATCH v4 09/22] PCI: Drop msi_control_reg() macro and use PCI_MSI_FLAGS directly To: linux-pci@vger.kernel.org From: Bjorn Helgaas Cc: Gavin Shan Date: Mon, 22 Apr 2013 17:11:14 -0600 Message-ID: <20130422231113.32621.60385.stgit@bhelgaas-glaptop> In-Reply-To: <20130422230012.32621.15224.stgit@bhelgaas-glaptop> References: <20130422230012.32621.15224.stgit@bhelgaas-glaptop> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Sender: linux-pci-owner@vger.kernel.org List-ID: Note the error in pci_msix_table_size() -- we used PCI_MSI_FLAGS to locate the PCI_MSIX_FLAGS word. No actual breakage because PCI_MSI_FLAGS and PCI_MSIX_FLAGS happen to be the same. Signed-off-by: Bjorn Helgaas --- drivers/pci/msi.c | 8 ++++---- drivers/pci/msi.h | 1 - 2 files changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 631249e..b1a60e0 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -299,10 +299,10 @@ void __write_msi_msg(struct msi_desc *entry, struct msi_msg *msg) int pos = dev->msi_cap; u16 msgctl; - pci_read_config_word(dev, msi_control_reg(pos), &msgctl); + pci_read_config_word(dev, pos + PCI_MSI_FLAGS, &msgctl); msgctl &= ~PCI_MSI_FLAGS_QSIZE; msgctl |= entry->msi_attrib.multiple << 4; - pci_write_config_word(dev, msi_control_reg(pos), msgctl); + pci_write_config_word(dev, pos + PCI_MSI_FLAGS, msgctl); pci_write_config_dword(dev, msi_lower_address_reg(pos), msg->address_lo); @@ -548,7 +548,7 @@ static int msi_capability_init(struct pci_dev *dev, int nvec) msi_set_enable(dev, 0); /* Disable MSI during set up */ - pci_read_config_word(dev, msi_control_reg(dev->msi_cap), &control); + pci_read_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, &control); /* MSI Entry Initialization */ entry = alloc_msi_entry(dev); if (!entry) @@ -903,7 +903,7 @@ int pci_msix_table_size(struct pci_dev *dev) if (!dev->msix_cap) return 0; - pci_read_config_word(dev, msi_control_reg(dev->msix_cap), &control); + pci_read_config_word(dev, dev->msix_cap + PCI_MSIX_FLAGS, &control); return multi_msix_capable(control); } diff --git a/drivers/pci/msi.h b/drivers/pci/msi.h index 65c42f8..6aa7b19 100644 --- a/drivers/pci/msi.h +++ b/drivers/pci/msi.h @@ -6,7 +6,6 @@ #ifndef MSI_H #define MSI_H -#define msi_control_reg(base) (base + PCI_MSI_FLAGS) #define msi_lower_address_reg(base) (base + PCI_MSI_ADDRESS_LO) #define msi_upper_address_reg(base) (base + PCI_MSI_ADDRESS_HI) #define msi_data_reg(base, is64bit) \