Hi Andy,
On Thu, 01 Mar 2007 01:07:56 +0000, Andy Wright wrote:
> Jean Delvare wrote:
> > On Sun, 21 Jan 2007 01:00:43 +0000, Andy Wright wrote:
> >
> >> I'm trying to get lm_sensors working on an asus p4r800-vm motherboard.
> >> OS is Centos 4.4 running Kernel 2.6.9-42.0.3.EL and I have installed the
> >> libsysfs library from the lm-sensors.org website.
> >>
> >> sensors-detect gives the following;
> >>
> >> Driver 'w83627hf' (should be inserted):
> >> Detects correctly:
> >> * ISA bus address 0x0228 (Busdriver 'i2c-isa')
> >> Chip 'Winbond W83627THF Super IO Sensors' (confidence: 9)
> >>
> >> modprobe i2c-isa succeeds
> >>
> >> modprobe w83627hf fails with;
> >>
> >> FATAL: Error inserting w83627hf
> >> (/lib/modules/2.6.9-42.0.3.EL/kernel/drivers/i2c/chips/w83627hf.ko): No
> >> such device
> >>
> >> Would anyone have any pointers as to how to get this going ?
> >
> > Was the W83627THF chip found as the "primary" or "secondary" Super-I/O
> > chip? (sensors-detect should tell you)
>
> It was discovered as the secondary.....
Support for the secondary Super-I/O address was added to the w83627hf
driver in kernel 2.6.11. This is the reason why it doesn't work with
your 2.6.9 kernel. You will need to backport the following patch:
--- linux-2.6.10-rc3/drivers/i2c/chips/w83627hf.c.orig 2004-12-19 12:14:44.000000000 +0100
+++ linux-2.6.10-rc3/drivers/i2c/chips/w83627hf.c 2004-12-19 12:55:31.000000000 +0100
@@ -67,9 +67,9 @@
MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
/* modified from kernel/include/traps.c */
-#define REG 0x2e /* The register to read/write */
+static int REG; /* The register to read/write */
#define DEV 0x07 /* Register: Logical device select */
-#define VAL 0x2f /* The value to read/write */
+static int VAL; /* The value to read/write */
/* logical device numbers for superio_select (below) */
#define W83627HF_LD_FDC 0x00
@@ -938,10 +938,13 @@
return i2c_detect(adapter, &addr_data, w83627hf_detect);
}
-static int w83627hf_find(int *address)
+static int w83627hf_find(int sioaddr, int *address)
{
u16 val;
+ REG = sioaddr;
+ VAL = sioaddr + 1;
+
superio_enter();
val= superio_inb(DEVID);
if(val != W627_DEVID &&
@@ -1422,7 +1425,8 @@
{
int addr;
- if (w83627hf_find(&addr)) {
+ if (w83627hf_find(0x2e, &addr)
+ && w83627hf_find(0x4e, &addr)) {
return -ENODEV;
}
normal_isa[0] = addr;
--
Jean Delvare
