Add "vlb_clock=" parameter for specifying VLB clock frequency (in MHz).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
---
drivers/ide/legacy/ali14xx.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
Index: b/drivers/ide/legacy/ali14xx.c
===================================================================
--- a/drivers/ide/legacy/ali14xx.c
+++ b/drivers/ide/legacy/ali14xx.c
@@ -51,6 +51,8 @@
#define DRV_NAME "ali14xx"
+static int vlb_clock;
+
/* port addresses for auto-detection */
#define ALI_NUM_PORTS 4
static const int ports[ALI_NUM_PORTS] __initdata =
@@ -116,7 +118,7 @@ static void ali14xx_set_pio_mode(ide_dri
int time1, time2;
u8 param1, param2, param3, param4;
unsigned long flags;
- int bus_speed = system_bus_clock();
+ int bus_speed = vlb_clock ? vlb_clock : system_bus_clock();
/* calculate timing, according to PIO mode */
time1 = ide_pio_cycle_time(drive, pio);
@@ -225,6 +227,9 @@ static int probe_ali14xx;
module_param_named(probe, probe_ali14xx, bool, 0);
MODULE_PARM_DESC(probe, "probe for ALI M14xx chipsets");
+module_param(vlb_clock, int, 0);
+MODULE_PARM_DESC(vlb_clock, "VLB clock frequency (in MHz)");
+
static int __init ali14xx_init(void)
{
if (probe_ali14xx == 0)
--
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