mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-28 22:54:05 +08:00
96a3e8af5a
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)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=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
...
91 lines
2.4 KiB
C
91 lines
2.4 KiB
C
/*
|
|
* Minimalist driver for a generic PCI-to-EISA bridge.
|
|
*
|
|
* (C) 2003 Marc Zyngier <maz@wild-wind.fr.eu.org>
|
|
*
|
|
* This code is released under the GPL version 2.
|
|
*
|
|
* Ivan Kokshaysky <ink@jurassic.park.msu.ru> :
|
|
* Generalisation from i82375 to PCI_CLASS_BRIDGE_EISA.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/device.h>
|
|
#include <linux/eisa.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
|
|
/* There is only *one* pci_eisa device per machine, right ? */
|
|
static struct eisa_root_device pci_eisa_root;
|
|
|
|
static int __init pci_eisa_init(struct pci_dev *pdev)
|
|
{
|
|
int rc, i;
|
|
struct resource *res, *bus_res = NULL;
|
|
|
|
if ((rc = pci_enable_device (pdev))) {
|
|
dev_err(&pdev->dev, "Could not enable device\n");
|
|
return rc;
|
|
}
|
|
|
|
/*
|
|
* The Intel 82375 PCI-EISA bridge is a subtractive-decode PCI
|
|
* device, so the resources available on EISA are the same as those
|
|
* available on the 82375 bus. This works the same as a PCI-PCI
|
|
* bridge in subtractive-decode mode (see pci_read_bridge_bases()).
|
|
* We assume other PCI-EISA bridges are similar.
|
|
*
|
|
* eisa_root_register() can only deal with a single io port resource,
|
|
* so we use the first valid io port resource.
|
|
*/
|
|
pci_bus_for_each_resource(pdev->bus, res, i)
|
|
if (res && (res->flags & IORESOURCE_IO)) {
|
|
bus_res = res;
|
|
break;
|
|
}
|
|
|
|
if (!bus_res) {
|
|
dev_err(&pdev->dev, "No resources available\n");
|
|
return -1;
|
|
}
|
|
|
|
pci_eisa_root.dev = &pdev->dev;
|
|
pci_eisa_root.res = bus_res;
|
|
pci_eisa_root.bus_base_addr = bus_res->start;
|
|
pci_eisa_root.slots = EISA_MAX_SLOTS;
|
|
pci_eisa_root.dma_mask = pdev->dma_mask;
|
|
dev_set_drvdata(pci_eisa_root.dev, &pci_eisa_root);
|
|
|
|
if (eisa_root_register (&pci_eisa_root)) {
|
|
dev_err(&pdev->dev, "Could not register EISA root\n");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* We have to call pci_eisa_init_early() before pnpacpi_init()/isapnp_init().
|
|
* Otherwise pnp resource will get enabled early and could prevent eisa
|
|
* to be initialized.
|
|
* Also need to make sure pci_eisa_init_early() is called after
|
|
* x86/pci_subsys_init().
|
|
* So need to use subsys_initcall_sync with it.
|
|
*/
|
|
static int __init pci_eisa_init_early(void)
|
|
{
|
|
struct pci_dev *dev = NULL;
|
|
int ret;
|
|
|
|
for_each_pci_dev(dev)
|
|
if ((dev->class >> 8) == PCI_CLASS_BRIDGE_EISA) {
|
|
ret = pci_eisa_init(dev);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
subsys_initcall_sync(pci_eisa_init_early);
|