On Thu, Dec 27, 2012 at 11:31 PM, Lin Feng <linfeng@xxxxxxxxxxxxxx> wrote:
> pci_reassigndev_resource_alignment() potentially calls
> pci_specified_resource_alignment() twice, which is redundant.
>
> pci_is_reassigndev() is only called in pci_reassigndev_resource_alignment(),
> and from sematic/functionality aspects pci_specified_resource_alignment() is
> sufficient to substitute, so also make some cleanup.
>
> Signed-off-by: Lin Feng <linfeng@xxxxxxxxxxxxxx>
> Cc: Yinghai Lu <yinghai@xxxxxxxxxx>
> ---
> drivers/pci/pci.c | 16 ++--------------
> 1 files changed, 2 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
> index 5cb5820..789f401 100644
> --- a/drivers/pci/pci.c
> +++ b/drivers/pci/pci.c
> @@ -3766,18 +3766,6 @@ resource_size_t pci_specified_resource_alignment(struct pci_dev *dev)
> return align;
> }
>
> -/**
> - * pci_is_reassigndev - check if specified PCI is target device to reassign
> - * @dev: the PCI device to check
> - *
> - * RETURNS: non-zero for PCI device is a target device to reassign,
> - * or zero is not.
> - */
> -int pci_is_reassigndev(struct pci_dev *dev)
> -{
> - return (pci_specified_resource_alignment(dev) != 0);
> -}
> -
> /*
> * This function disables memory decoding and releases memory resources
> * of the device specified by kernel's boot parameter 'pci=resource_alignment='.
> @@ -3792,7 +3780,8 @@ void pci_reassigndev_resource_alignment(struct pci_dev *dev)
> resource_size_t align, size;
> u16 command;
>
> - if (!pci_is_reassigndev(dev))
> + align = pci_specified_resource_alignment(dev);
> + if (!align)
> return;
>
> if (dev->hdr_type == PCI_HEADER_TYPE_NORMAL &&
> @@ -3808,7 +3797,6 @@ void pci_reassigndev_resource_alignment(struct pci_dev *dev)
> command &= ~PCI_COMMAND_MEMORY;
> pci_write_config_word(dev, PCI_COMMAND, command);
>
> - align = pci_specified_resource_alignment(dev);
> for (i = 0; i < PCI_BRIDGE_RESOURCES; i++) {
> r = &dev->resource[i];
> if (!(r->flags & IORESOURCE_MEM))
> --
> 1.7.1
>
looks the same as the one that i posted 6 months ago.
http://copilotco.com/mail-archives/linux-kernel.2012/msg18498.html
Yinghai
--
To unsubscribe from this list: send the line "unsubscribe linux-pci" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
