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PCI device hotplug - Remove ACPI PCI subdrivers (Jiang Liu, Myron Stowe) - Make acpiphp builtin only, not modular (Jiang Liu) - Add acpiphp mutual exclusion (Jiang Liu) Power management - Skip "PME enabled/disabled" messages when not supported (Rafael Wysocki) - Fix fallback to PCI_D0 (Rafael Wysocki) Miscellaneous - Factor quirk_io_region (Yinghai Lu) - Cache MSI capability offsets & cleanup (Gavin Shan, Bjorn Helgaas) - Clean up EISA resource initialization and logging (Bjorn Helgaas) - Fix prototype warnings (Andy Shevchenko, Bjorn Helgaas) - MIPS: Initialize of_node before scanning bus (Gabor Juhos) - Fix pcibios_get_phb_of_node() declaration "weak" annotation (Gabor Juhos) - Add MSI INTX_DISABLE quirks for AR8161/AR8162/etc (Xiong Huang) - Fix aer_inject return values (Prarit Bhargava) - Remove PME/ACPI dependency (Andrew Murray) - Use shared PCI_BUS_NUM() and PCI_DEVID() (Shuah Khan) -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJRfhSWAAoJEFmIoMA60/r8GrYQAIHDsyZIuJSf6g+8Td1h+PIC YD3wQhbyrDqQDuKU4+9cz+JsbHmnozUGA4UmlwmOGBxEa/Uauspb6yX1P1+x9Ok1 WD7Ar3BlA5OuYI/1L1mgCiA428MTujwoR4fPnC0+KFy8xk1tBpmhzzeOFohbKyFF hMBO/Xt9tCzPATJ1LhjIH4xAykfDkbnPNHNcUKRoAkRo0CO0lS8gcTk0shXXSNng p9kQ6c4cYZvlRIJTwlawWV09nr7mDsBYa3JClqXYZufUWfEwvIuhisJxCJ57sWi9 t+Ev8dm7VM6Cr5dV+ORArlboBFrq4f/W5U9j9GPFrRplwf+WbNT6tNGSpSDq8XhU Q7JjNgPWVdWXe1vIsMwaO49zi45/bNehuCSFLZiyPZwedMk764tys+iYw+tMRtv1 tBR7lwESSXfagmvWyQAuQOTy6Rj26BPd2T8e2lMsvsuQO9mCyTK6Ey3YyKuqKQK/ l5Gns4vv4eaCjGXqqDGiydUjSes+r/v1bu43XiRnwPQJUKb5kr5SjN5/zSMBuUgm TLT/bnv8qvdFxCpVQJFv4k/uzULARMdbvLtTy8osB14vNHX9jPn+xORjLaZNiO6O 7fFispMU8Om56hNkD6C451r3icRjjGlD7OA8KOlbZ8f876sLzGV9i6P9gwCoRdEB wclDPsN7kAzw/V2sEE60 =bj8i -----END PGP SIGNATURE----- Merge tag 'pci-v3.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI updates from Bjorn Helgaas: "PCI changes for the v3.10 merge window: PCI device hotplug - Remove ACPI PCI subdrivers (Jiang Liu, Myron Stowe) - Make acpiphp builtin only, not modular (Jiang Liu) - Add acpiphp mutual exclusion (Jiang Liu) Power management - Skip "PME enabled/disabled" messages when not supported (Rafael Wysocki) - Fix fallback to PCI_D0 (Rafael Wysocki) Miscellaneous - Factor quirk_io_region (Yinghai Lu) - Cache MSI capability offsets & cleanup (Gavin Shan, Bjorn Helgaas) - Clean up EISA resource initialization and logging (Bjorn Helgaas) - Fix prototype warnings (Andy Shevchenko, Bjorn Helgaas) - MIPS: Initialize of_node before scanning bus (Gabor Juhos) - Fix pcibios_get_phb_of_node() declaration "weak" annotation (Gabor Juhos) - Add MSI INTX_DISABLE quirks for AR8161/AR8162/etc (Xiong Huang) - Fix aer_inject return values (Prarit Bhargava) - Remove PME/ACPI dependency (Andrew Murray) - Use shared PCI_BUS_NUM() and PCI_DEVID() (Shuah Khan)" * tag 'pci-v3.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (63 commits) vfio-pci: Use cached MSI/MSI-X capabilities vfio-pci: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK PCI: Remove "extern" from function declarations PCI: Use PCI_MSIX_TABLE_BIR, not PCI_MSIX_FLAGS_BIRMASK PCI: Drop msi_mask_reg() and remove drivers/pci/msi.h PCI: Use msix_table_size() directly, drop multi_msix_capable() PCI: Drop msix_table_offset_reg() and msix_pba_offset_reg() macros PCI: Drop is_64bit_address() and is_mask_bit_support() macros PCI: Drop msi_data_reg() macro PCI: Drop msi_lower_address_reg() and msi_upper_address_reg() macros PCI: Drop msi_control_reg() macro and use PCI_MSI_FLAGS directly PCI: Use cached MSI/MSI-X offsets from dev, not from msi_desc PCI: Clean up MSI/MSI-X capability #defines PCI: Use cached MSI-X cap while enabling MSI-X PCI: Use cached MSI cap while enabling MSI interrupts PCI: Remove MSI/MSI-X cap check in pci_msi_check_device() PCI: Cache MSI/MSI-X capability offsets in struct pci_dev PCI: Use u8, not int, for PM capability offset [SCSI] megaraid_sas: Use correct #define for MSI-X capability PCI: Remove "extern" from function declarations ...
90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/*
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* Minimalist driver for a generic PCI-to-EISA bridge.
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*
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* (C) 2003 Marc Zyngier <maz@wild-wind.fr.eu.org>
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*
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* This code is released under the GPL version 2.
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*
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* Ivan Kokshaysky <ink@jurassic.park.msu.ru> :
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* Generalisation from i82375 to PCI_CLASS_BRIDGE_EISA.
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*/
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#include <linux/kernel.h>
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#include <linux/device.h>
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#include <linux/eisa.h>
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#include <linux/pci.h>
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#include <linux/module.h>
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#include <linux/init.h>
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/* There is only *one* pci_eisa device per machine, right ? */
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static struct eisa_root_device pci_eisa_root;
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static int __init pci_eisa_init(struct pci_dev *pdev)
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{
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int rc, i;
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struct resource *res, *bus_res = NULL;
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if ((rc = pci_enable_device (pdev))) {
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dev_err(&pdev->dev, "Could not enable device\n");
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return rc;
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}
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/*
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* The Intel 82375 PCI-EISA bridge is a subtractive-decode PCI
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* device, so the resources available on EISA are the same as those
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* available on the 82375 bus. This works the same as a PCI-PCI
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* bridge in subtractive-decode mode (see pci_read_bridge_bases()).
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* We assume other PCI-EISA bridges are similar.
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*
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* eisa_root_register() can only deal with a single io port resource,
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* so we use the first valid io port resource.
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*/
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pci_bus_for_each_resource(pdev->bus, res, i)
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if (res && (res->flags & IORESOURCE_IO)) {
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bus_res = res;
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break;
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}
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if (!bus_res) {
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dev_err(&pdev->dev, "No resources available\n");
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return -1;
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}
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pci_eisa_root.dev = &pdev->dev;
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pci_eisa_root.res = bus_res;
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pci_eisa_root.bus_base_addr = bus_res->start;
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pci_eisa_root.slots = EISA_MAX_SLOTS;
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pci_eisa_root.dma_mask = pdev->dma_mask;
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dev_set_drvdata(pci_eisa_root.dev, &pci_eisa_root);
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if (eisa_root_register (&pci_eisa_root)) {
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dev_err(&pdev->dev, "Could not register EISA root\n");
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return -1;
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}
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return 0;
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}
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/*
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* We have to call pci_eisa_init_early() before pnpacpi_init()/isapnp_init().
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* Otherwise pnp resource will get enabled early and could prevent eisa
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* to be initialized.
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* Also need to make sure pci_eisa_init_early() is called after
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* x86/pci_subsys_init().
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* So need to use subsys_initcall_sync with it.
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*/
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static int __init pci_eisa_init_early(void)
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{
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struct pci_dev *dev = NULL;
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int ret;
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for_each_pci_dev(dev)
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if ((dev->class >> 8) == PCI_CLASS_BRIDGE_EISA) {
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ret = pci_eisa_init(dev);
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if (ret)
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return ret;
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}
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return 0;
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}
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subsys_initcall_sync(pci_eisa_init_early);
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