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[PATCH] hwmon: New device ID for the smsc47b397 driver 

This patch adds a new ID to the SMSC LPC47B397-NC hardware
monitoring driver - for a chip that is claimed to be 100%
compatible otherwise.

Signed-off-by: Bryan Young (Utilitek Systems, Inc.)
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
hifive-unleashed-5.1
Mark M. Hoffman 2005-10-17 23:01:45 +02:00 committed by Greg Kroah-Hartman
parent 1747ef1b8c
commit 7ab83a9137
2 changed files with 10 additions and 5 deletions
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8
Documentation/hwmon/smsc47b397
View File

@ -3,6 +3,7 @@ Kernel driver smsc47b397
Supported chips:
* SMSC LPC47B397-NC
* SMSC SCH5307-NS
Prefix: 'smsc47b397'
Addresses scanned: none, address read from Super I/O config space
Datasheet: In this file
@ -12,11 +13,14 @@ Authors: Mark M. Hoffman <mhoffman@lightlink.com>
November 23, 2004
The following specification describes the SMSC LPC47B397-NC sensor chip
The following specification describes the SMSC LPC47B397-NC[1] sensor chip
(for which there is no public datasheet available). This document was
provided by Craig Kelly (In-Store Broadcast Network) and edited/corrected
by Mark M. Hoffman <mhoffman@lightlink.com>.
[1] And SMSC SCH5307-NS, which has a different device ID but is otherwise
compatible.
* * * * *
Methods for detecting the HP SIO and reading the thermal data on a dc7100.
@ -127,7 +131,7 @@ OUT DX,AL
The registers of interest for identifying the SIO on the dc7100 are Device ID
(0x20) and Device Rev (0x21).
The Device ID will read 0X6F
The Device ID will read 0x6F (for SCH5307-NS, 0x81)
The Device Rev currently reads 0x01
Obtaining the HWM Base Address.

7
drivers/hwmon/smsc47b397.c
View File

@ -299,7 +299,7 @@ static int __init smsc47b397_find(unsigned short *addr)
superio_enter();
id = superio_inb(SUPERIO_REG_DEVID);
if (id != 0x6f) {
if ((id != 0x6f) && (id != 0x81)) {
superio_exit();
return -ENODEV;
}
@ -310,8 +310,9 @@ static int __init smsc47b397_find(unsigned short *addr)
*addr = (superio_inb(SUPERIO_REG_BASE_MSB) << 8)
| superio_inb(SUPERIO_REG_BASE_LSB);
printk(KERN_INFO "smsc47b397: found SMSC LPC47B397-NC "
"(base address 0x%04x, revision %u)\n", *addr, rev);
printk(KERN_INFO "smsc47b397: found SMSC %s "
"(base address 0x%04x, revision %u)\n",
id == 0x81 ? "SCH5307-NS" : "LPC47B397-NC", *addr, rev);
superio_exit();
return 0;