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@xxxxxxxxxx>
---
drivers/hwmon/it87.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 0e543dbe0a6b..c4f5500dcf3c 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)
--
2.30.2
