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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6

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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
  PCI: Documentation: fix minor PCIe HOWTO thinko
  PCI: fix missing kernel-doc and typos
  PCI: fix struct pci_platform_pm_ops kernel-doc
  PCI: fix rom.c kernel-doc warning
  PCI/MSI: fix msi_mask() shift fix
This commit is contained in:
Linus Torvalds 2009-02-17 14:23:35 -08:00
commit c951aa62d5
5 changed files with 25 additions and 21 deletions
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2
Documentation/PCI/PCIEBUS-HOWTO.txt
View File

@ -93,7 +93,7 @@ the PCI Express Port Bus driver from loading a service driver.
int pcie_port_service_register(struct pcie_port_service_driver *new)
This API replaces the Linux Driver Model's pci_module_init API. A
This API replaces the Linux Driver Model's pci_register_driver API. A
service driver should always calls pcie_port_service_register at
module init. Note that after service driver being loaded, calls
such as pci_enable_device(dev) and pci_set_master(dev) are no longer

10
drivers/pci/msi.c
View File

@ -103,14 +103,12 @@ static void msix_set_enable(struct pci_dev *dev, int enable)
}
}
/*
* Essentially, this is ((1 << (1 << x)) - 1), but without the
* undefinedness of a << 32.
*/
static inline __attribute_const__ u32 msi_mask(unsigned x)
{
static const u32 mask[] = { 1, 2, 4, 0xf, 0xff, 0xffff, 0xffffffff };
return mask[x];
/* Don't shift by >= width of type */
if (x >= 5)
return 0xffffffff;
return (1 << (1 << x)) - 1;
}
static void msix_flush_writes(struct irq_desc *desc)

13
drivers/pci/pci.c
View File

@ -1540,16 +1540,21 @@ void pci_release_region(struct pci_dev *pdev, int bar)
}
/**
* pci_request_region - Reserved PCI I/O and memory resource
* __pci_request_region - Reserved PCI I/O and memory resource
* @pdev: PCI device whose resources are to be reserved
* @bar: BAR to be reserved
* @res_name: Name to be associated with resource.
* @exclusive: whether the region access is exclusive or not
*
* Mark the PCI region associated with PCI device @pdev BR @bar as
* being reserved by owner @res_name. Do not access any
* address inside the PCI regions unless this call returns
* successfully.
*
* If @exclusive is set, then the region is marked so that userspace
* is explicitly not allowed to map the resource via /dev/mem or
* sysfs MMIO access.
*
* Returns 0 on success, or %EBUSY on error. A warning
* message is also printed on failure.
*/
@ -1588,12 +1593,12 @@ err_out:
}
/**
* pci_request_region - Reserved PCI I/O and memory resource
* pci_request_region - Reserve PCI I/O and memory resource
* @pdev: PCI device whose resources are to be reserved
* @bar: BAR to be reserved
* @res_name: Name to be associated with resource.
* @res_name: Name to be associated with resource
*
* Mark the PCI region associated with PCI device @pdev BR @bar as
* Mark the PCI region associated with PCI device @pdev BAR @bar as
* being reserved by owner @res_name. Do not access any
* address inside the PCI regions unless this call returns
* successfully.

20
drivers/pci/pci.h
View File

@ -16,21 +16,21 @@ extern int pci_mmap_fits(struct pci_dev *pdev, int resno,
#endif
/**
* Firmware PM callbacks
* struct pci_platform_pm_ops - Firmware PM callbacks
*
* @is_manageable - returns 'true' if given device is power manageable by the
* platform firmware
* @is_manageable: returns 'true' if given device is power manageable by the
* platform firmware
*
* @set_state - invokes the platform firmware to set the device's power state
* @set_state: invokes the platform firmware to set the device's power state
*
* @choose_state - returns PCI power state of given device preferred by the
* platform; to be used during system-wide transitions from a
* sleeping state to the working state and vice versa
* @choose_state: returns PCI power state of given device preferred by the
* platform; to be used during system-wide transitions from a
* sleeping state to the working state and vice versa
*
* @can_wakeup - returns 'true' if given device is capable of waking up the
* system from a sleeping state
* @can_wakeup: returns 'true' if given device is capable of waking up the
* system from a sleeping state
*
* @sleep_wake - enables/disables the system wake up capability of given device
* @sleep_wake: enables/disables the system wake up capability of given device
*
* If given platform is generally capable of power managing PCI devices, all of
* these callbacks are mandatory.

1
drivers/pci/rom.c
View File

@ -55,6 +55,7 @@ void pci_disable_rom(struct pci_dev *pdev)
/**
* pci_get_rom_size - obtain the actual size of the ROM image
* @pdev: target PCI device
* @rom: kernel virtual pointer to image of ROM
* @size: size of PCI window
* return: size of actual ROM image