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    Subject[PATCH 4/12] aec62xx: add "pci_clock=" parameter
    Add "pci_clock=" parameter for specifying PCI bus clock frequency (in MHz).

    Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
    ---
    drivers/ide/pci/aec62xx.c | 7 ++++++-
    1 file changed, 6 insertions(+), 1 deletion(-)

    Index: b/drivers/ide/pci/aec62xx.c
    ===================================================================
    --- a/drivers/ide/pci/aec62xx.c
    +++ b/drivers/ide/pci/aec62xx.c
    @@ -13,6 +13,8 @@

    #include <asm/io.h>

    +static int pci_clock;
    +
    struct chipset_bus_clock_list_entry {
    u8 xfer_speed;
    u8 chipset_settings;
    @@ -140,7 +142,7 @@ static void aec_set_pio_mode(ide_drive_t

    static unsigned int __devinit init_chipset_aec62xx(struct pci_dev *dev, const char *name)
    {
    - int bus_speed = system_bus_clock();
    + int bus_speed = pci_clock ? pci_clock : system_bus_clock();

    if (bus_speed <= 33)
    pci_set_drvdata(dev, (void *) aec6xxx_33_base);
    @@ -308,6 +310,9 @@ static int __init aec62xx_ide_init(void)

    module_init(aec62xx_ide_init);

    +module_param(pci_clock, int, 0);
    +MODULE_PARM_DESC(pci_clock, "PCI bus clock frequency (in MHz)");
    +
    MODULE_AUTHOR("Andre Hedrick");
    MODULE_DESCRIPTION("PCI driver module for ARTOP AEC62xx IDE");
    MODULE_LICENSE("GPL");

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