Messages in this thread Patch in this message | | | From | Bartlomiej Zolnierkiewicz <> | Date | Thu, 13 Mar 2008 23:45:00 +0100 | Subject | [PATCH 11/12] cmd640: add "cmd_clock=" parameter |
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Add "cmd_clock=" parameter for specifying VLB or PCI bus clock frequency (in MHz).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> --- drivers/ide/pci/cmd640.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
Index: b/drivers/ide/pci/cmd640.c =================================================================== --- a/drivers/ide/pci/cmd640.c +++ b/drivers/ide/pci/cmd640.c @@ -157,6 +157,8 @@ static int cmd640_vlb; #define DRWTIM23 0x58 #define BRST 0x59 +static int cmd_clock; + /* * Registers and masks for easy access by drive index: */ @@ -552,7 +554,7 @@ static void cmd640_set_mode(ide_drive_t { 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 = cmd_clock ? cmd_clock : system_bus_clock(); if (pio_mode > 5) pio_mode = 5; @@ -904,4 +906,7 @@ static int __init cmd640x_init(void) module_param_named(probe_vlb, cmd640_vlb, bool, 0); MODULE_PARM_DESC(probe_vlb, "probe for VLB version of CMD640 chipset"); +module_param(cmd_clock, int, 0); +MODULE_PARM_DESC(cmd_clock, "VLB or PCI bus clock frequency (in MHz)"); + module_init(cmd640x_init);
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