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https://github.com/lm-sensors/lm-sensors.git
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Philip Edelbrock
279eb7c5c0
- The schedule() and timeout issue (since 2.1.127 I think) - A syntax error in piix4 (pci func 3 sensing code Frodo wrote) git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@37 7894878c-1315-0410-8ee3-d5d059ff63e0
85 lines
3.3 KiB
C
85 lines
3.3 KiB
C
/*
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compar.h - A Linux module for reading sensor data.
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Copyright (c) 1998 Frodo Looijaard <frodol@dds.nl>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef SENSORS_COMPAT_H
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#define SENSORS_COMPAT_H
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/* This useful macro is not defined in the 2.0 kernels */
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#include <linux/version.h>
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#ifndef KERNEL_VERSION
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#define KERNEL_VERSION(a,b,c) (((a) << 16) | ((b) << 8) | (c))
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#endif
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#ifdef MODULE
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#include <linux/module.h>
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#ifndef MODULE_AUTHOR
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#define MODULE_AUTHOR(whatever)
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#endif
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#ifndef MODULE_DESCRIPTION
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#define MODULE_DESCRIPTION(whatever)
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#endif
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#endif /* def MODULE */
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/* copy_from/to_usr is called memcpy_from/to_fs in 2.0 kernels
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get_user was redefined in 2.1 kernels to use two arguments, and returns
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an error code */
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,1,4))
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#define copy_from_user memcpy_fromfs
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#define copy_to_user memcpy_tofs
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#define get_user_data(to,from) ((to) = get_user(from),0)
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#else
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#include <asm/uaccess.h>
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#define get_user_data(to,from) get_user(to,from)
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#endif
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/* Add a scheduling fix for the new code in kernel 2.1.127 */
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,1,127))
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#define schedule_timeout(x) ( current->timeout = jiffies + (x), schedule() )
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#endif
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/* If the new PCI interface is not present, fall back on the old PCI BIOS
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interface. We also define some things to unite both interfaces. Not
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very nice, but it works like a charm.
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device is the 2.1 struct pci_dev, bus is the 2.0 bus number, dev is the
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2.0 device/function code, com is the PCI command, and res is the result. */
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#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,1,54))
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#define pci_present pcibios_present
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#define pci_read_config_byte_united(device,bus,dev,com,res) \
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pcibios_read_config_byte(bus,dev,com,res);
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#define pci_read_config_word_united(device,bus,dev,com,res) \
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pcibios_read_config_word(bus,dev,com,res);
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#define pci_write_config_byte_united(device,bus,dev,com,res) \
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pcibios_write_config_byte(bus,dev,com,res);
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#define pci_write_config_word_united(device,bus,dev,com,res) \
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pcibios_write_config_word(bus,dev,com,res);
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#else
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#define pci_read_config_byte_united(device,bus,dev,com,res) \
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pci_read_config_byte(device,com,res);
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#define pci_read_config_word_united(device,bus,dev,com,res) \
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pci_read_config_word(device,com,res);
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#define pci_write_config_byte_united(device,bus,dev,com,res) \
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pci_write_config_byte(device,com,res);
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#define pci_write_config_word_united(device,bus,dev,com,res) \
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pci_write_config_byte(device,com,res);
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#endif
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#endif /* SENSORS_COMPAT_H */
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