[PATCH v2 04/21] pinctrl: imx: Use temporary variable to hold pins

Andy Shevchenko
2023-11-23T19:34:13Z

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@linux.intel.com>
---
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..9099a7c81d4a 100644
--- a/drivers/pinctrl/freescale/pinctrl-imx.c
+++ b/drivers/pinctrl/freescale/pinctrl-imx.c
@@ -513,6 +513,7 @@ static int imx_pinctrl_parse_groups(struct device_node *np,
struct imx_pin *pin;
int size, pin_size;
const __be32 *list;
+ int *pins;
int i;

dev_dbg(ipctl->dev, "group(%d): %pOFn\n", index, np);
@@ -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