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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-04-27 15:38:29 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-04-27 15:38:29 +0200 |
| commit | ebae41a5a0583fb732c41445df4ac2c41016df74 (patch) | |
| tree | 0896acda21576aabf92ff7e7b4b99fac26d9f007 /drivers/ide/pci/cmd64x.c | |
| parent | 10569713c78f3c499745651aebc90b0d1c454c28 (diff) | |
| download | lwn-ebae41a5a0583fb732c41445df4ac2c41016df74.tar.gz lwn-ebae41a5a0583fb732c41445df4ac2c41016df74.zip | |
ide: add "vlb|pci_clock=" parameter
* Add "vlb_clock=" parameter for specifying VLB clock frequency (in MHz).
* Add "pci_clock=" parameter for specifying PCI bus clock frequency (in MHz).
While at it:
* qd65xx.c: rename {active,recovery}_cycle variables to {act,rec}_cyc.
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/pci/cmd64x.c')
| -rw-r--r-- | drivers/ide/pci/cmd64x.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c index 006fb62656bc..08674711d089 100644 --- a/drivers/ide/pci/cmd64x.c +++ b/drivers/ide/pci/cmd64x.c @@ -68,8 +68,8 @@ static u8 quantize_timing(int timing, int quant) */ static void program_cycle_times (ide_drive_t *drive, int cycle_time, int active_time) { - struct pci_dev *dev = to_pci_dev(drive->hwif->dev); - int clock_time = 1000 / system_bus_clock(); + struct pci_dev *dev = to_pci_dev(drive->hwif->dev); + int clock_time = 1000 / (ide_pci_clk ? ide_pci_clk : system_bus_clock()); u8 cycle_count, active_count, recovery_count, drwtim; static const u8 recovery_values[] = {15, 15, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 0}; @@ -128,7 +128,7 @@ static void cmd64x_tune_pio(ide_drive_t *drive, const u8 pio) ide_pio_timings[pio].active_time); setup_count = quantize_timing(ide_pio_timings[pio].setup_time, - 1000 / system_bus_clock()); + 1000 / (ide_pci_clk ? ide_pci_clk : system_bus_clock())); /* * The primary channel has individual address setup timing registers |