[PATCH v2 1/2] it87: Add param to ignore ACPI resource conflicts

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Add in the parameter to ignore ACPI resource conflicts so that modprobe
can use the force_id parameter when ACPI has the same address mapped.

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..ce579f5aebcf 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, false);
+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




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