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hwmon: Check for ACPI resource conflicts

Browse Source 
Check for ACPI resource conflicts in hwmon drivers. I've included
all Super-I/O and PCI drivers.

I've voluntarily left out:
* Vendor-specific drivers: if they conflicted on any system, this would
  pretty much mean that they conflict on all systems, and we would know
  by now.
* Legacy ISA drivers (lm78 and w83781d): they only support chips found
  on old designs were ACPI either wasn't supported or didn't deal with
  thermal management.
* Drivers accessing the I/O resources indirectly (e.g. through SMBus):
  the checks are already done where they belong, i.e. in the bus drivers.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Acked-by: David Hubbard <david.c.hubbard@gmail.com>
This commit is contained in:
Jean Delvare 2009-01-07 16:37:35 +01:00 committed by Jean Delvare
parent c8ac32e471
commit b9acb64a38
14 changed files with 72 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/hwmon/dme1737.c
View File

@ -34,6 +34,7 @@
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/acpi.h>
#include <asm/io.h>
/* ISA device, if found */
@ -2361,6 +2362,10 @@ static int __init dme1737_isa_device_add(unsigned short addr)
};
int err;
err = acpi_check_resource_conflict(&res);
if (err)
goto exit;
if (!(pdev = platform_device_alloc("dme1737", addr))) {
printk(KERN_ERR "dme1737: Failed to allocate device.\n");
err = -ENOMEM;

5
drivers/hwmon/f71805f.c
View File

@ -39,6 +39,7 @@
#include <linux/mutex.h>
#include <linux/sysfs.h>
#include <linux/ioport.h>
#include <linux/acpi.h>
#include <asm/io.h>
static unsigned short force_id;
@ -1455,6 +1456,10 @@ static int __init f71805f_device_add(unsigned short address,
}
res.name = pdev->name;
err = acpi_check_resource_conflict(&res);
if (err)
goto exit_device_put;
err = platform_device_add_resources(pdev, &res, 1);
if (err) {
printk(KERN_ERR DRVNAME ": Device resource addition failed "

5
drivers/hwmon/f71882fg.c
View File

@ -28,6 +28,7 @@
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/io.h>
#include <linux/acpi.h>
#define DRVNAME "f71882fg"
@ -1929,6 +1930,10 @@ static int __init f71882fg_device_add(unsigned short address,
return -ENOMEM;
res.name = f71882fg_pdev->name;
err = acpi_check_resource_conflict(&res);
if (err)
return err;
err = platform_device_add_resources(f71882fg_pdev, &res, 1);
if (err) {
printk(KERN_ERR DRVNAME ": Device resource addition failed\n");

5
drivers/hwmon/it87.c
View File

@ -49,6 +49,7 @@
#include <linux/sysfs.h>
#include <linux/string.h>
#include <linux/dmi.h>
#include <linux/acpi.h>
#include <asm/io.h>
#define DRVNAME "it87"
@ -1552,6 +1553,10 @@ static int __init it87_device_add(unsigned short address,
};
int err;
err = acpi_check_resource_conflict(&res);
if (err)
goto exit;
pdev = platform_device_alloc(DRVNAME, address);
if (!pdev) {
err = -ENOMEM;

6
drivers/hwmon/pc87360.c
View File

@ -43,6 +43,7 @@
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/acpi.h>
#include <asm/io.h>
static u8 devid;
@ -1627,6 +1628,11 @@ static int __init pc87360_device_add(unsigned short address)
continue;
res.start = extra_isa[i];
res.end = extra_isa[i] + PC87360_EXTENT - 1;
err = acpi_check_resource_conflict(&res);
if (err)
goto exit_device_put;
err = platform_device_add_resources(pdev, &res, 1);
if (err) {
printk(KERN_ERR "pc87360: Device resource[%d] "

5
drivers/hwmon/pc87427.c
View File

@ -32,6 +32,7 @@
#include <linux/mutex.h>
#include <linux/sysfs.h>
#include <linux/ioport.h>
#include <linux/acpi.h>
#include <asm/io.h>
static unsigned short force_id;
@ -524,6 +525,10 @@ static int __init pc87427_device_add(unsigned short address)
};
int err;
err = acpi_check_resource_conflict(&res);
if (err)
goto exit;
pdev = platform_device_alloc(DRVNAME, address);
if (!pdev) {
err = -ENOMEM;

5
drivers/hwmon/sis5595.c
View File

@ -62,6 +62,7 @@
#include <linux/jiffies.h>
#include <linux/mutex.h>
#include <linux/sysfs.h>
#include <linux/acpi.h>
#include <asm/io.h>
@ -727,6 +728,10 @@ static int __devinit sis5595_device_add(unsigned short address)
};
int err;
err = acpi_check_resource_conflict(&res);
if (err)
goto exit;
pdev = platform_device_alloc("sis5595", address);
if (!pdev) {
err = -ENOMEM;

5
drivers/hwmon/smsc47b397.c
View File

@ -36,6 +36,7 @@
#include <linux/err.h>
#include <linux/init.h>
#include <linux/mutex.h>
#include <linux/acpi.h>
#include <asm/io.h>
static unsigned short force_id;
@ -303,6 +304,10 @@ static int __init smsc47b397_device_add(unsigned short address)
};
int err;
err = acpi_check_resource_conflict(&res);
if (err)
goto exit;
pdev = platform_device_alloc(DRVNAME, address);
if (!pdev) {
err = -ENOMEM;

5
drivers/hwmon/smsc47m1.c
View File

@ -37,6 +37,7 @@
#include <linux/init.h>
#include <linux/mutex.h>
#include <linux/sysfs.h>
#include <linux/acpi.h>
#include <asm/io.h>
static unsigned short force_id;
@ -705,6 +706,10 @@ static int __init smsc47m1_device_add(unsigned short address,
};
int err;
err = acpi_check_resource_conflict(&res);
if (err)
goto exit;
pdev = platform_device_alloc(DRVNAME, address);
if (!pdev) {
err = -ENOMEM;

5
drivers/hwmon/via686a.c
View File

@ -41,6 +41,7 @@
#include <linux/init.h>
#include <linux/mutex.h>
#include <linux/sysfs.h>
#include <linux/acpi.h>
#include <asm/io.h>
@ -783,6 +784,10 @@ static int __devinit via686a_device_add(unsigned short address)
};
int err;
err = acpi_check_resource_conflict(&res);
if (err)
goto exit;
pdev = platform_device_alloc("via686a", address);
if (!pdev) {
err = -ENOMEM;

5
drivers/hwmon/vt1211.c
View File

@ -32,6 +32,7 @@
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/ioport.h>
#include <linux/acpi.h>
#include <asm/io.h>
static int uch_config = -1;
@ -1259,6 +1260,10 @@ static int __init vt1211_device_add(unsigned short address)
}
res.name = pdev->name;
err = acpi_check_resource_conflict(&res);
if (err)
goto EXIT;
err = platform_device_add_resources(pdev, &res, 1);
if (err) {
printk(KERN_ERR DRVNAME ": Device resource addition failed "

5
drivers/hwmon/vt8231.c
View File

@ -35,6 +35,7 @@
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/acpi.h>
#include <asm/io.h>
static int force_addr;
@ -894,6 +895,10 @@ static int __devinit vt8231_device_add(unsigned short address)
};
int err;
err = acpi_check_resource_conflict(&res);
if (err)
goto exit;
pdev = platform_device_alloc("vt8231", address);
if (!pdev) {
err = -ENOMEM;

6
drivers/hwmon/w83627ehf.c
View File

@ -48,6 +48,7 @@
#include <linux/hwmon-vid.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/acpi.h>
#include <asm/io.h>
#include "lm75.h"
@ -1544,6 +1545,11 @@ static int __init sensors_w83627ehf_init(void)
res.start = address + IOREGION_OFFSET;
res.end = address + IOREGION_OFFSET + IOREGION_LENGTH - 1;
res.flags = IORESOURCE_IO;
err = acpi_check_resource_conflict(&res);
if (err)
goto exit;
err = platform_device_add_resources(pdev, &res, 1);
if (err) {
printk(KERN_ERR DRVNAME ": Device resource addition failed "

5
drivers/hwmon/w83627hf.c
View File

@ -50,6 +50,7 @@
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/ioport.h>
#include <linux/acpi.h>
#include <asm/io.h>
#include "lm75.h"
@ -1793,6 +1794,10 @@ static int __init w83627hf_device_add(unsigned short address,
};
int err;
err = acpi_check_resource_conflict(&res);
if (err)
goto exit;
pdev = platform_device_alloc(DRVNAME, address);
if (!pdev) {
err = -ENOMEM;