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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-04-27 15:38:29 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-04-27 15:38:29 +0200
commitebae41a5a0583fb732c41445df4ac2c41016df74 (patch)
tree0896acda21576aabf92ff7e7b4b99fac26d9f007 /drivers/ide/pci/cmd640.c
parent10569713c78f3c499745651aebc90b0d1c454c28 (diff)
downloadop-kernel-dev-ebae41a5a0583fb732c41445df4ac2c41016df74.zip
op-kernel-dev-ebae41a5a0583fb732c41445df4ac2c41016df74.tar.gz
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/cmd640.c')
-rw-r--r--drivers/ide/pci/cmd640.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/ide/pci/cmd640.c b/drivers/ide/pci/cmd640.c
index 0f6f11e6..6e7a6faa 100644
--- a/drivers/ide/pci/cmd640.c
+++ b/drivers/ide/pci/cmd640.c
@@ -552,7 +552,14 @@ static void cmd640_set_mode(ide_drive_t *drive, unsigned int index,
{
int setup_time, active_time, recovery_time, clock_time;
u8 setup_count, active_count, recovery_count, recovery_count2, cycle_count;
- int bus_speed = system_bus_clock();
+ int bus_speed;
+
+ if (cmd640_vlb && ide_vlb_clk)
+ bus_speed = ide_vlb_clk;
+ else if (!cmd640_vlb && ide_pci_clk)
+ bus_speed = ide_pci_clk;
+ else
+ bus_speed = system_bus_clock();
if (pio_mode > 5)
pio_mode = 5;
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