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Commit 92430b6f authored by Juerg Haefliger's avatar Juerg Haefliger Committed by Mark M. Hoffman
Browse files

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: default avatarJean Delvare <khali@linux-fr.org>
Signed-off-by: default avatarMark M. Hoffman <mhoffman@lightlink.com>
parent 9b257714

Documentation/hwmon/dme1737

+4 −0
Original line number Diff line number Diff line
@@ -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.

drivers/hwmon/dme1737.c

+9 −1
Original line number Diff line number Diff line
@@ -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;

	}