diff options
| author | Ahmad Khalifa <ahmad@khalifa.ws> | 2022-10-05 00:01:01 +0300 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2022-12-05 03:45:01 +0300 |
| commit | 12c44ab8b401c29d8d3569aaea34da662b8ece1d (patch) | |
| tree | 23003118c2de90ccbe6b2032aec84995a18d2aea /drivers/hwmon | |
| parent | 415519ad6966ce35f2535fc3ff95549414beb032 (diff) | |
| download | linux-12c44ab8b401c29d8d3569aaea34da662b8ece1d.tar.xz | |
hwmon: (it87) Add param to ignore ACPI resource conflicts
Add parameter to ignore ACPI resource conflicts as an alternate to using
'acpi_enforce_resources=lax'.
Some BIOSes reserve resources and don't use them and the system wide
parameter may result in failures to certain drivers.
Signed-off-by: Ahmad Khalifa <ahmad@khalifa.ws>
Link: https://lore.kernel.org/r/20221004210100.540120-2-ahmad@khalifa.ws
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/it87.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index 7bd154ba351b..e920dd26225f 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -69,6 +69,10 @@ static unsigned short force_id; module_param(force_id, ushort, 0); MODULE_PARM_DESC(force_id, "Override the detected device ID"); +static bool ignore_resource_conflict; +module_param(ignore_resource_conflict, bool, 0); +MODULE_PARM_DESC(ignore_resource_conflict, "Ignore ACPI resource conflict"); + static struct platform_device *it87_pdev[2]; #define REG_2E 0x2e /* The register to read/write */ @@ -3261,8 +3265,10 @@ static int __init it87_device_add(int index, unsigned short address, int err; err = acpi_check_resource_conflict(&res); - if (err) - return err; + if (err) { + if (!ignore_resource_conflict) + return err; + } pdev = platform_device_alloc(DRVNAME, address); if (!pdev) |