i2c: pxa: don't error out if there's no pinctrl

The bus recovery patch regresses on OLPC XO-1.75 that has no pinctrl in
its DT.

Fixes: 7c9ec2c52518 ("i2c: pxa: implement generic i2c bus recovery")'
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index a7885b8..35ca2c0 100644 (file)
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -1348,6 +1348,8 @@ static int i2c_pxa_init_recovery(struct pxa_i2c *i2c)
                return 0;
 
        i2c->pinctrl = devm_pinctrl_get(dev);
+       if (PTR_ERR(i2c->pinctrl) == -ENODEV)
+               i2c->pinctrl = NULL;
        if (IS_ERR(i2c->pinctrl))
                return PTR_ERR(i2c->pinctrl);