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[PATCH] I2C: i2c-piix4: Document the IBM problem more clearly

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Properly document on which systems the i2c-piix4 SMBus driver will
refuse to load. Hopefully this will make it clearer for users, which
were often wondering why their destop or server systems were detected
as laptops.

Closes bug #6429.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jean Delvare
2006-04-25 13:37:25 +02:00
committed by Greg Kroah-Hartman
parent 7aadb8f943
commit f9ba6c04ef
2 changed files with 15 additions and 1 deletions
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2
drivers/i2c/busses/i2c-piix4.c
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@@ -130,7 +130,7 @@ static int __devinit piix4_setup(struct pci_dev *PIIX4_dev,
/* Don't access SMBus on IBM systems which get corrupted eeproms */
if (dmi_check_system(piix4_dmi_table) &&
PIIX4_dev->vendor == PCI_VENDOR_ID_INTEL) {
dev_err(&PIIX4_dev->dev, "IBM Laptop detected; this module "
dev_err(&PIIX4_dev->dev, "IBM system detected; this module "
"may corrupt your serial eeprom! Refusing to load "
"module!\n");
return -EPERM;