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hwmon/f71805f: Fix the device address decoding

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

Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Jean Delvare 2006-12-12 18:18:29 +01:00 committed by Jean Delvare
parent c7176cb515
commit 75c990291d
1 changed files with 4 additions and 3 deletions
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7
drivers/hwmon/f71805f.c
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@ -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",