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Commit 2dbbdb35 authored by Juerg Haefliger's avatar Juerg Haefliger Committed by Mark M. Hoffman
Browse files

hwmon: add SCH5317 to smsc47b397 driver 



This patch adds the SMSC SCH5317 chip (device ID 0x85) as a supported
device to the smsc47b397 driver.

Signed-off-by: Juerg Haefliger <juergh at gmail.com>
Signed-off-by: default avatarMark M. Hoffman <mhoffman@lightlink.com>
parent b74f3fdd

Documentation/hwmon/smsc47b397

+4 −3
Original line number Diff line number Diff line
@@ -4,6 +4,7 @@ Kernel driver smsc47b397 
Supported chips:

  * SMSC LPC47B397-NC

  * SMSC SCH5307-NS

  * SMSC SCH5317

    Prefix: 'smsc47b397'

    Addresses scanned: none, address read from Super I/O config space

    Datasheet: In this file
@@ -18,8 +19,8 @@ The following specification describes the SMSC LPC47B397-NC[1] sensor chip 
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.

[1] And SMSC SCH5307-NS and SCH5317, which have different device IDs but are

otherwise compatible.



* * * * *
@@ -131,7 +132,7 @@ 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 (for SCH5307-NS, 0x81)

The Device ID will read 0x6F (0x81 for SCH5307-NS, and 0x85 for SCH5317)

The Device Rev currently reads 0x01



Obtaining the HWM Base Address.

drivers/hwmon/smsc47b397.c

+3 −2
Original line number Diff line number Diff line
@@ -333,7 +333,7 @@ static int __init smsc47b397_find(unsigned short *addr) 
	superio_enter();

	id = superio_inb(SUPERIO_REG_DEVID);



	if ((id != 0x6f) && (id != 0x81)) {

	if ((id != 0x6f) && (id != 0x81) && (id != 0x85)) {

		superio_exit();

		return -ENODEV;

	}
@@ -346,7 +346,8 @@ static int __init smsc47b397_find(unsigned short *addr) 


	printk(KERN_INFO DRVNAME ": found SMSC %s "

		"(base address 0x%04x, revision %u)\n",

		id == 0x81 ? "SCH5307-NS" : "LPC47B397-NC", *addr, rev);

		id == 0x81 ? "SCH5307-NS" : id == 0x85 ? "SCH5317" :

	       "LPC47B397-NC", *addr, rev);



	superio_exit();

	return 0;