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PCI chip detection cleanup.

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git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@1011 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Mark D. Studebaker committed 2001-02-03 20:48:43 +00:00
1 parent b4b343d74b
commit 377be956da
2 files changed
+19 -22
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CHANGES
+1
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@@ -21,6 +21,7 @@ ask CVS about it:
File doc/FAQ: Updates
File doc/chips/via686a: Claim support for 686b.
File sensors.conf.eg: Adjust as99127f -12V calculation
Module i2c-i801: Chip detection cleanup
Module lm78: Recognize chipid=0x20
Module lm87: Fix in0, in1 (2.5V and Vccp1) calculations
Module sensors: Add xxx_init() calls for drivers added to mkpatch in 2.5.5.
kernel/busses/i2c-i801.c
+18 -22
View File
@@ -1,7 +1,7 @@
/*
i801.c - Part of lm_sensors, Linux kernel modules for hardware
monitoring
Copyright (c) 1998, 1999 Frodo Looijaard <frodol@dds.nl>,
Copyright (c) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>,
Philip Edelbrock <phil@netroedge.com>, and Mark D. Studebaker
<mdsxyz123@yahoo.com>
@@ -51,6 +51,11 @@
#define PCI_DEVICE_ID_INTEL_82801BA_3 0x2443
#endif
static int supported[] = {PCI_DEVICE_ID_INTEL_82801AA_3,
PCI_DEVICE_ID_INTEL_82801AB_3,
PCI_DEVICE_ID_INTEL_82801BA_3,
0 };
/* I801 SMBus address offsets */
#define SMBHSTSTS (0 + i801_smba)
#define SMBHSTCNT (2 + i801_smba)
@@ -158,6 +163,7 @@ static struct pci_dev *I801_dev = NULL;
int i801_setup(void)
{
int error_return = 0;
int *num = supported;
unsigned char temp;
/* First check whether we can access PCI at all */
@@ -167,29 +173,19 @@ int i801_setup(void)
goto END;
}
/* Look for the I801, function 3 */
/* Have to check for both the 82801AA and 82801AB */
/* Look for each chip */
/* Note: we keep on searching until we have found 'function 3' */
I801_dev = NULL;
do
I801_dev = pci_find_device(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_82801AA_3,
I801_dev);
while (I801_dev && (PCI_FUNC(I801_dev->devfn) != 3));
if (I801_dev == NULL) {
do
I801_dev = pci_find_device(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_82801AB_3,
I801_dev);
while (I801_dev && (PCI_FUNC(I801_dev->devfn) != 3));
}
if (I801_dev == NULL) {
do
I801_dev = pci_find_device(PCI_VENDOR_ID_INTEL,
PCI_DEVICE_ID_INTEL_82801BA_3,
I801_dev);
while (I801_dev && (PCI_FUNC(I801_dev->devfn) != 3));
}
do {
if((I801_dev = pci_find_device(PCI_VENDOR_ID_INTEL,
*num, I801_dev))) {
if(PCI_FUNC(I801_dev->devfn) != 3)
continue;
break;
}
num++;
} while (*num != 0);
if (I801_dev == NULL) {
printk
("i2c-i801.o: Error: Can't detect I801, function 3!\n");