i2c: designware: Drop return value from dw_i2c_of_configure()

dw_i2c_of_configure() is called without checking of the returned
value, hence just drop it by converting to void.

Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>

Author: andy-shev

drivers/i2c/busses/i2c-designware-platdrv.c

@@ -110,7 +110,7 @@ static int mscc_twi_set_sda_hold_time(struct dw_i2c_dev *dev)
 	return 0;
 }
 
-static int dw_i2c_of_configure(struct platform_device *pdev)
+static void dw_i2c_of_configure(struct platform_device *pdev)
 {
 	struct dw_i2c_dev *dev = platform_get_drvdata(pdev);
 
@@ -123,18 +123,15 @@ static int dw_i2c_of_configure(struct platform_device *pdev)
 	default:
 		break;
 	}
-
-	return 0;
 }
 #else
 static int bt1_i2c_request_regs(struct dw_i2c_dev *dev)
 {
 	return -ENODEV;
 }
 
-static inline int dw_i2c_of_configure(struct platform_device *pdev)
+static inline void dw_i2c_of_configure(struct platform_device *pdev)
 {
-	return -ENODEV;
 }
 #endif