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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-07-15 21:21:46 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-07-15 21:21:46 +0200
commit30e5ee4d1a651a0c66e86c6612c003034bd20ba2 (patch)
tree5845b35a16b81f263c18708d45398cc695ac21ed /drivers/ide/ide.c
parent681a561b7ec7fdcd8f35b68e44ac6d6c70aecc04 (diff)
downloadop-kernel-dev-30e5ee4d1a651a0c66e86c6612c003034bd20ba2.zip
op-kernel-dev-30e5ee4d1a651a0c66e86c6612c003034bd20ba2.tar.gz
ide: remove obsoleted "idebus=" kernel parameter
* Remove obsoleted "idebus=" kernel parameter. * Remove no longer needed ide_system_bus_speed() and system_bus_clock() (together with idebus_parameter and system_bus_speed variables). Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide.c')
-rw-r--r--drivers/ide/ide.c71
1 files changed, 1 insertions, 70 deletions
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 8823df1..f65be73 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -86,9 +86,6 @@ static const u8 ide_hwif_to_major[] = { IDE0_MAJOR, IDE1_MAJOR,
IDE6_MAJOR, IDE7_MAJOR,
IDE8_MAJOR, IDE9_MAJOR };
-static int idebus_parameter; /* holds the "idebus=" parameter */
-static int system_bus_speed; /* holds what we think is VESA/PCI bus speed */
-
DEFINE_MUTEX(ide_cfg_mtx);
__cacheline_aligned_in_smp DEFINE_SPINLOCK(ide_lock);
@@ -189,38 +186,6 @@ static void __init init_ide_data (void)
}
}
-/**
- * ide_system_bus_speed - guess bus speed
- *
- * ide_system_bus_speed() returns what we think is the system VESA/PCI
- * bus speed (in MHz). This is used for calculating interface PIO timings.
- * The default is 40 for known PCI systems, 50 otherwise.
- * The "idebus=xx" parameter can be used to override this value.
- * The actual value to be used is computed/displayed the first time
- * through. Drivers should only use this as a last resort.
- *
- * Returns a guessed speed in MHz.
- */
-
-static int ide_system_bus_speed(void)
-{
-#ifdef CONFIG_PCI
- static struct pci_device_id pci_default[] = {
- { PCI_DEVICE(PCI_ANY_ID, PCI_ANY_ID) },
- { }
- };
-#else
-#define pci_default 0
-#endif /* CONFIG_PCI */
-
- /* user supplied value */
- if (idebus_parameter)
- return idebus_parameter;
-
- /* safe default value for PCI or VESA and PCI*/
- return pci_dev_present(pci_default) ? 33 : 50;
-}
-
void ide_remove_port_from_hwgroup(ide_hwif_t *hwif)
{
ide_hwgroup_t *hwgroup = hwif->hwgroup;
@@ -540,20 +505,6 @@ static int set_unmaskirq(ide_drive_t *drive, int arg)
return 0;
}
-/**
- * system_bus_clock - clock guess
- *
- * External version of the bus clock guess used by very old IDE drivers
- * for things like VLB timings. Should not be used.
- */
-
-int system_bus_clock (void)
-{
- return system_bus_speed;
-}
-
-EXPORT_SYMBOL(system_bus_clock);
-
static int generic_ide_suspend(struct device *dev, pm_message_t mesg)
{
ide_drive_t *drive = dev->driver_data;
@@ -851,7 +802,7 @@ static int __init ide_setup(char *s)
if (strncmp(s,"hd",2) == 0 && s[2] == '=') /* hd= is for hd.c */
return 0; /* driver and not us */
- if (strncmp(s,"ide",3) && strncmp(s,"idebus",6) && strncmp(s,"hd",2))
+ if (strncmp(s, "ide", 3) && strncmp(s, "hd", 2))
return 0;
printk(KERN_INFO "ide_setup: %s", s);
@@ -951,21 +902,6 @@ static int __init ide_setup(char *s)
}
}
- if (s[0] != 'i' || s[1] != 'd' || s[2] != 'e')
- goto bad_option;
- /*
- * Look for bus speed option: "idebus="
- */
- if (s[3] == 'b' && s[4] == 'u' && s[5] == 's') {
- if (match_parm(&s[6], NULL, vals, 1) != 1)
- goto bad_option;
- if (vals[0] >= 20 && vals[0] <= 66) {
- idebus_parameter = vals[0];
- } else
- printk(" -- BAD BUS SPEED! Expected value from 20 to 66");
- goto obsolete_option;
- }
-
bad_option:
printk(" -- BAD OPTION\n");
return 1;
@@ -1287,11 +1223,6 @@ static int __init ide_init(void)
int ret;
printk(KERN_INFO "Uniform Multi-Platform E-IDE driver\n");
- system_bus_speed = ide_system_bus_speed();
-
- printk(KERN_INFO "ide: Assuming %dMHz system bus speed "
- "for PIO modes%s\n", system_bus_speed,
- idebus_parameter ? "" : "; override with idebus=xx");
ret = bus_register(&ide_bus_type);
if (ret < 0) {
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