diff options
| author | Juerg Haefliger <juergh@gmail.com> | 2008-04-03 21:34:19 -0700 |
|---|---|---|
| committer | Mark M. Hoffman <mhoffman@lightlink.com> | 2008-07-31 23:44:02 -0400 |
| commit | 92430b6feb19aba043171ff3094535b598052901 (patch) | |
| tree | bf423e463d09aa4c08bcb529850e1cf8877c2c41 | |
| parent | 9b257714a3f6f5c3ea133c44d3442e2340734b65 (diff) | |
hwmon: (dme1737) probe all addresses
This patch adds a module load parameter to enable probing of
non-standard LPC addresses 0x162e and 0x164e when scanning for supported
ISA chips.
Signed-Off-By: Juerg Haefliger <juergh at gmail.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
| -rw-r--r-- | Documentation/hwmon/dme1737 | 4 | ||||
| -rw-r--r-- | drivers/hwmon/dme1737.c | 10 |
2 files changed, 13 insertions, 1 deletions
diff --git a/Documentation/hwmon/dme1737 b/Documentation/hwmon/dme1737 index 8f446070e64..b1fe0099943 100644 --- a/Documentation/hwmon/dme1737 +++ b/Documentation/hwmon/dme1737 @@ -22,6 +22,10 @@ Module Parameters and PWM output control functions. Using this parameter shouldn't be required since the BIOS usually takes care of this. +* probe_all_addr: bool Include non-standard LPC addresses 0x162e and 0x164e + when probing for ISA devices. This is required for the + following boards: + - VIA EPIA SN18000 Note that there is no need to use this parameter if the driver loads without complaining. The driver will say so if it is necessary. diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c index c24b5b370da..5a3d41fbdb3 100644 --- a/drivers/hwmon/dme1737.c +++ b/drivers/hwmon/dme1737.c @@ -48,6 +48,11 @@ static unsigned short force_id; module_param(force_id, ushort, 0); MODULE_PARM_DESC(force_id, "Override the detected device ID"); +static int probe_all_addr; +module_param(probe_all_addr, bool, 0); +MODULE_PARM_DESC(probe_all_addr, "Include probing of non-standard LPC " + "addresses"); + /* Addresses to scan */ static const unsigned short normal_i2c[] = {0x2c, 0x2d, 0x2e, I2C_CLIENT_END}; @@ -2430,7 +2435,10 @@ static int __init dme1737_init(void) } if (dme1737_isa_detect(0x2e, &addr) && - dme1737_isa_detect(0x4e, &addr)) { + dme1737_isa_detect(0x4e, &addr) && + (!probe_all_addr || + (dme1737_isa_detect(0x162e, &addr) && + dme1737_isa_detect(0x164e, &addr)))) { /* Return 0 if we didn't find an ISA device */ return 0; } |