diff options
| -rw-r--r-- | drivers/pinctrl/pinctrl-tb10x.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/pinctrl/pinctrl-tb10x.c b/drivers/pinctrl/pinctrl-tb10x.c index 2e90a6d8fb3b..a32badf3f118 100644 --- a/drivers/pinctrl/pinctrl-tb10x.c +++ b/drivers/pinctrl/pinctrl-tb10x.c @@ -483,22 +483,22 @@ struct tb10x_port { * @base: register set base address. * @pingroups: pointer to an array of the pin groups this driver manages. * @pinfuncgrpcnt: number of pingroups in @pingroups. - * @pinfuncs: pointer to an array of pin functions this driver manages. * @pinfuncnt: number of pin functions in @pinfuncs. * @mutex: mutex for exclusive access to a pin controller's state. * @ports: current state of each port. * @gpios: Indicates if a given pin is currently used as GPIO (1) or not (0). + * @pinfuncs: flexible array of pin functions this driver manages. */ struct tb10x_pinctrl { struct pinctrl_dev *pctl; void *base; const struct tb10x_pinfuncgrp *pingroups; unsigned int pinfuncgrpcnt; - struct tb10x_of_pinfunc *pinfuncs; unsigned int pinfuncnt; struct mutex mutex; struct tb10x_port ports[TB10X_PORTS]; DECLARE_BITMAP(gpios, MAX_PIN + 1); + struct tb10x_of_pinfunc pinfuncs[]; }; static inline void tb10x_pinctrl_set_config(struct tb10x_pinctrl *state, @@ -771,15 +771,13 @@ static int tb10x_pinctrl_probe(struct platform_device *pdev) return -EINVAL; } - state = devm_kzalloc(dev, sizeof(struct tb10x_pinctrl) + - of_get_child_count(of_node) - * sizeof(struct tb10x_of_pinfunc), - GFP_KERNEL); + state = devm_kzalloc(dev, struct_size(state, pinfuncs, + of_get_child_count(of_node)), + GFP_KERNEL); if (!state) return -ENOMEM; platform_set_drvdata(pdev, state); - state->pinfuncs = (struct tb10x_of_pinfunc *)(state + 1); mutex_init(&state->mutex); mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); |