[PATCH v4 05/23] pinctrl: imx: Use temporary variable to hold pins

[Andy Shevchenko]

The pins are allocated from the heap, but in order to pass
them as constant object, we need to use non-constant pointer.
Achieve this by using a temporary variable.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
 drivers/pinctrl/freescale/pinctrl-imx.c | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c b/drivers/pinctrl/freescale/pinctrl-imx.c
index 9bc16943014f..28164b04b1be 100644
--- a/drivers/pinctrl/freescale/pinctrl-imx.c
+++ b/drivers/pinctrl/freescale/pinctrl-imx.c
@@ -511,6 +511,7 @@ static int imx_pinctrl_parse_groups(struct device_node *np,
 {
 	const struct imx_pinctrl_soc_info *info = ipctl->info;
 	struct imx_pin *pin;
+	unsigned int *pins;
 	int size, pin_size;
 	const __be32 *list;
 	int i;
@@ -557,20 +558,20 @@ static int imx_pinctrl_parse_groups(struct device_node *np,
 	grp->data = devm_kcalloc(ipctl->dev,
 				 grp->num_pins, sizeof(struct imx_pin),
 				 GFP_KERNEL);
-	grp->pins = devm_kcalloc(ipctl->dev,
-				 grp->num_pins, sizeof(unsigned int),
-				 GFP_KERNEL);
-	if (!grp->pins || !grp->data)
+	if (!grp->data)
 		return -ENOMEM;
 
+	pins = devm_kcalloc(ipctl->dev, grp->num_pins, sizeof(*pins), GFP_KERNEL);
+	if (!pins)
+		return -ENOMEM;
+	grp->pins = pins;
+
 	for (i = 0; i < grp->num_pins; i++) {
 		pin = &((struct imx_pin *)(grp->data))[i];
 		if (info->flags & IMX_USE_SCU)
-			info->imx_pinctrl_parse_pin(ipctl, &grp->pins[i],
-						  pin, &list);
+			info->imx_pinctrl_parse_pin(ipctl, &pins[i], pin, &list);
 		else
-			imx_pinctrl_parse_pin_mmio(ipctl, &grp->pins[i],
-						   pin, &list, np);
+			imx_pinctrl_parse_pin_mmio(ipctl, &pins[i], pin, &list, np);
 	}
 
 	return 0;
-- 
2.43.0.rc1.1.gbec44491f096