Commit 75c99029 authored by Jean Delvare's avatar Jean Delvare Committed by Jean Delvare
Browse files

hwmon/f71805f: Fix the device address decoding 



The lowest 3 bits are ignored, and the chip decodes all 8 addresses,
not only the 2 it needs.

Signed-off-by: default avatarJean Delvare <khali@linux-fr.org>
parent c7176cb5

drivers/hwmon/f71805f.c

+4 −3
Original line number Diff line number Diff line
@@ -102,9 +102,9 @@ superio_exit(int base) 
 * ISA constants

 */



#define REGION_LENGTH		2

#define ADDR_REG_OFFSET		0

#define DATA_REG_OFFSET		1

#define REGION_LENGTH		8

#define ADDR_REG_OFFSET		5

#define DATA_REG_OFFSET		6



/*

 * Registers
@@ -1359,6 +1359,7 @@ static int __init f71805f_find(int sioaddr, unsigned short *address, 
		       "skipping\n");

		goto exit;

	}

	*address &= ~(REGION_LENGTH - 1);	/* Ignore 3 LSB */



	err = 0;

	printk(KERN_INFO DRVNAME ": Found %s chip at %#x, revision %u\n",