Add "pci_clock=" parameter for specifying PCI bus clock frequency (in MHz).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
---
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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