lkml.org 
[lkml]   [2008]   [Mar]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Date
Subject[PATCH 4/12] aec62xx: add "pci_clock=" parameter
Add "pci_clock=" parameter for specifying PCI bus clock frequency (in MHz).

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
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");

\
 
 \ /
  Last update: 2008-03-13 23:33    [W:0.152 / U:0.060 seconds]
©2003-2014 Jasper Spaans. Advertise on this site