summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--Documentation/kernel-parameters.txt6
-rw-r--r--drivers/ide/Kconfig2
-rw-r--r--drivers/ide/ide.c11
3 files changed, 13 insertions, 6 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 319785b6dcb1..0ed3234125e3 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -868,8 +868,10 @@ and is between 256 and 4096 characters. It is defined in the file
icn= [HW,ISDN]
Format: <io>[,<membase>[,<icn_id>[,<icn_id2>]]]
- ide= [HW] (E)IDE subsystem
- Format: ide=nodma or ide=doubler
+ ide-core.nodma= [HW] (E)IDE subsystem
+ Format: =0.0 to prevent dma on hda, =0.1 hdb =1.0 hdc
+ .vlb_clock .pci_clock .noflush .noprobe .nowerr .cdrom
+ .chs .ignore_cable are additional options
See Documentation/ide/ide.txt.
idebus= [HW] (E)IDE subsystem - VLB/PCI bus speed
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 3dad2299d9c5..e072903b12f0 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -46,7 +46,7 @@ menuconfig IDE
SMART parameters from disk drives.
To compile this driver as a module, choose M here: the
- module will be called ide.
+ module will be called ide-core.ko.
For further information, please read <file:Documentation/ide/ide.txt>.
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 258805da15c3..0920e3b0c962 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -337,6 +337,7 @@ static int ide_set_dev_param_mask(const char *s, struct kernel_param *kp)
int a, b, i, j = 1;
unsigned int *dev_param_mask = (unsigned int *)kp->arg;
+ /* controller . device (0 or 1) [ : 1 (set) | 0 (clear) ] */
if (sscanf(s, "%d.%d:%d", &a, &b, &j) != 3 &&
sscanf(s, "%d.%d", &a, &b) != 2)
return -EINVAL;
@@ -349,7 +350,7 @@ static int ide_set_dev_param_mask(const char *s, struct kernel_param *kp)
if (j)
*dev_param_mask |= (1 << i);
else
- *dev_param_mask &= (1 << i);
+ *dev_param_mask &= ~(1 << i);
return 0;
}
@@ -392,6 +393,8 @@ static int ide_set_disk_chs(const char *str, struct kernel_param *kp)
{
int a, b, c = 0, h = 0, s = 0, i, j = 1;
+ /* controller . device (0 or 1) : Cylinders , Heads , Sectors */
+ /* controller . device (0 or 1) : 1 (use CHS) | 0 (ignore CHS) */
if (sscanf(str, "%d.%d:%d,%d,%d", &a, &b, &c, &h, &s) != 5 &&
sscanf(str, "%d.%d:%d", &a, &b, &j) != 3)
return -EINVAL;
@@ -407,7 +410,7 @@ static int ide_set_disk_chs(const char *str, struct kernel_param *kp)
if (j)
ide_disks |= (1 << i);
else
- ide_disks &= (1 << i);
+ ide_disks &= ~(1 << i);
ide_disks_chs[i].cyl = c;
ide_disks_chs[i].head = h;
@@ -469,6 +472,8 @@ static int ide_set_ignore_cable(const char *s, struct kernel_param *kp)
{
int i, j = 1;
+ /* controller (ignore) */
+ /* controller : 1 (ignore) | 0 (use) */
if (sscanf(s, "%d:%d", &i, &j) != 2 && sscanf(s, "%d", &i) != 1)
return -EINVAL;
@@ -478,7 +483,7 @@ static int ide_set_ignore_cable(const char *s, struct kernel_param *kp)
if (j)
ide_ignore_cable |= (1 << i);
else
- ide_ignore_cable &= (1 << i);
+ ide_ignore_cable &= ~(1 << i);
return 0;
}