[PATCH v1] i2c: designware: Consider SCL GPIO optional

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GPIO library can return -ENOSYS for the failed request.
Instead of failing ->probe() in this case override error code to 0.

Fixes: ca382f5b38f3 ("i2c: designware: add i2c gpio recovery option")
Reported-by: Dominik Brodowski <linux@xxxxxxxxxxxxxxxxxxxx>
Cc: Tim Sander <tim@xxxxxxxxxxxxxxx>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
 drivers/i2c/busses/i2c-designware-master.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c
index ae691884d071..5778908351a2 100644
--- a/drivers/i2c/busses/i2c-designware-master.c
+++ b/drivers/i2c/busses/i2c-designware-master.c
@@ -644,7 +644,7 @@ static int i2c_dw_init_recovery_info(struct dw_i2c_dev *dev)
 	gpio = devm_gpiod_get(dev->dev, "scl", GPIOD_OUT_HIGH);
 	if (IS_ERR(gpio)) {
 		r = PTR_ERR(gpio);
-		if (r == -ENOENT)
+		if (r == -ENOENT || r == -ENOSYS)
 			return 0;
 		return r;
 	}
-- 
2.15.1




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