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Display a message if a Force-CPCI735-like config register is

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found. Should help debugging the problem.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@2140 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Jean Delvare committed 2003-12-06 21:48:32 +00:00
1 parent fff68af945
commit 5bdbb3744f
1 file changed
+10 -4
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kernel/busses/i2c-piix4.c
+10 -4
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@@ -187,10 +187,16 @@ static int piix4_setup(struct pci_dev *PIIX4_dev, const struct pci_device_id *id
/* Some BIOS will set up the chipset incorrectly and leave a register
in an undefined state (causing I2C to act very strangely). */
if (fix_hstcfg && (temp & 0x02)) {
printk("Worked around buggy BIOS (I2C)\n");
temp &= 0xfd;
pci_write_config_byte(PIIX4_dev, SMBHSTCFG, temp);
if (temp & 0x02) {
if (fix_hstcfg) {
printk(KERN_INFO "i2c-piix4.o: Working around buggy BIOS (I2C)\n");
temp &= 0xfd;
pci_write_config_byte(PIIX4_dev, SMBHSTCFG, temp);
} else {
printk(KERN_INFO "i2c-piix4.o: Unusual config register value "
"(0x%02x)\n", temp);
printk(KERN_INFO "i2c-piix4.o: Please report!\n");
}
}
/* If force_addr is set, we program the new address here. Just to make