From 8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Tue, 15 Dec 2015 14:52:16 -0300 Subject: Linux-libre 4.3.2-gnu --- drivers/pinctrl/samsung/pinctrl-exynos5440.c | 90 ++++++++-------------------- 1 file changed, 25 insertions(+), 65 deletions(-) (limited to 'drivers/pinctrl/samsung/pinctrl-exynos5440.c') diff --git a/drivers/pinctrl/samsung/pinctrl-exynos5440.c b/drivers/pinctrl/samsung/pinctrl-exynos5440.c index f5619fb50..9ce0b8619 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos5440.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos5440.c @@ -44,9 +44,7 @@ #define PIN_NAME_LENGTH 10 #define GROUP_SUFFIX "-grp" -#define GSUFFIX_LEN sizeof(GROUP_SUFFIX) #define FUNCTION_SUFFIX "-mux" -#define FSUFFIX_LEN sizeof(FUNCTION_SUFFIX) /* * pin configuration type and its value are packed together into a 16-bits. @@ -205,22 +203,17 @@ static int exynos5440_dt_node_to_map(struct pinctrl_dev *pctldev, /* Allocate memory for pin-map entries */ map = kzalloc(sizeof(*map) * map_cnt, GFP_KERNEL); - if (!map) { - dev_err(dev, "could not alloc memory for pin-maps\n"); + if (!map) return -ENOMEM; - } *nmaps = 0; /* * Allocate memory for pin group name. The pin group name is derived * from the node name from which these map entries are be created. */ - gname = kzalloc(strlen(np->name) + GSUFFIX_LEN, GFP_KERNEL); - if (!gname) { - dev_err(dev, "failed to alloc memory for group name\n"); + gname = kasprintf(GFP_KERNEL, "%s%s", np->name, GROUP_SUFFIX); + if (!gname) goto free_map; - } - snprintf(gname, strlen(np->name) + 4, "%s%s", np->name, GROUP_SUFFIX); /* * don't have config options? then skip over to creating function @@ -231,10 +224,8 @@ static int exynos5440_dt_node_to_map(struct pinctrl_dev *pctldev, /* Allocate memory for config entries */ cfg = kzalloc(sizeof(*cfg) * cfg_cnt, GFP_KERNEL); - if (!cfg) { - dev_err(dev, "failed to alloc memory for configs\n"); + if (!cfg) goto free_gname; - } /* Prepare a list of config settings */ for (idx = 0, cfg_cnt = 0; idx < ARRAY_SIZE(pcfgs); idx++) { @@ -254,13 +245,10 @@ static int exynos5440_dt_node_to_map(struct pinctrl_dev *pctldev, skip_cfgs: /* create the function map entry */ if (of_find_property(np, "samsung,exynos5440-pin-function", NULL)) { - fname = kzalloc(strlen(np->name) + FSUFFIX_LEN, GFP_KERNEL); - if (!fname) { - dev_err(dev, "failed to alloc memory for func name\n"); + fname = kasprintf(GFP_KERNEL, + "%s%s", np->name, FUNCTION_SUFFIX); + if (!fname) goto free_cfg; - } - snprintf(fname, strlen(np->name) + 4, "%s%s", np->name, - FUNCTION_SUFFIX); map[*nmaps].data.mux.group = gname; map[*nmaps].data.mux.function = fname; @@ -651,10 +639,8 @@ static int exynos5440_pinctrl_parse_dt_pins(struct platform_device *pdev, } *pin_list = devm_kzalloc(dev, *npins * sizeof(**pin_list), GFP_KERNEL); - if (!*pin_list) { - dev_err(dev, "failed to allocate memory for pin list\n"); + if (!*pin_list) return -ENOMEM; - } return of_property_read_u32_array(cfg_np, "samsung,exynos5440-pins", *pin_list, *npins); @@ -682,17 +668,15 @@ static int exynos5440_pinctrl_parse_dt(struct platform_device *pdev, return -EINVAL; groups = devm_kzalloc(dev, grp_cnt * sizeof(*groups), GFP_KERNEL); - if (!groups) { - dev_err(dev, "failed allocate memory for ping group list\n"); + if (!groups) return -EINVAL; - } + grp = groups; functions = devm_kzalloc(dev, grp_cnt * sizeof(*functions), GFP_KERNEL); - if (!functions) { - dev_err(dev, "failed to allocate memory for function list\n"); + if (!functions) return -EINVAL; - } + func = functions; /* @@ -710,14 +694,10 @@ static int exynos5440_pinctrl_parse_dt(struct platform_device *pdev, } /* derive pin group name from the node name */ - gname = devm_kzalloc(dev, strlen(cfg_np->name) + GSUFFIX_LEN, - GFP_KERNEL); - if (!gname) { - dev_err(dev, "failed to alloc memory for group name\n"); + gname = devm_kasprintf(dev, GFP_KERNEL, + "%s%s", cfg_np->name, GROUP_SUFFIX); + if (!gname) return -ENOMEM; - } - snprintf(gname, strlen(cfg_np->name) + 4, "%s%s", cfg_np->name, - GROUP_SUFFIX); grp->name = gname; grp->pins = pin_list; @@ -731,22 +711,15 @@ skip_to_pin_function: continue; /* derive function name from the node name */ - fname = devm_kzalloc(dev, strlen(cfg_np->name) + FSUFFIX_LEN, - GFP_KERNEL); - if (!fname) { - dev_err(dev, "failed to alloc memory for func name\n"); + fname = devm_kasprintf(dev, GFP_KERNEL, + "%s%s", cfg_np->name, FUNCTION_SUFFIX); + if (!fname) return -ENOMEM; - } - snprintf(fname, strlen(cfg_np->name) + 4, "%s%s", cfg_np->name, - FUNCTION_SUFFIX); func->name = fname; func->groups = devm_kzalloc(dev, sizeof(char *), GFP_KERNEL); - if (!func->groups) { - dev_err(dev, "failed to alloc memory for group list " - "in pin function"); + if (!func->groups) return -ENOMEM; - } func->groups[0] = gname; func->num_groups = gname ? 1 : 0; func->function = function; @@ -774,10 +747,8 @@ static int exynos5440_pinctrl_register(struct platform_device *pdev, int pin, ret; ctrldesc = devm_kzalloc(dev, sizeof(*ctrldesc), GFP_KERNEL); - if (!ctrldesc) { - dev_err(dev, "could not allocate memory for pinctrl desc\n"); + if (!ctrldesc) return -ENOMEM; - } ctrldesc->name = "exynos5440-pinctrl"; ctrldesc->owner = THIS_MODULE; @@ -787,10 +758,8 @@ static int exynos5440_pinctrl_register(struct platform_device *pdev, pindesc = devm_kzalloc(&pdev->dev, sizeof(*pindesc) * EXYNOS5440_MAX_PINS, GFP_KERNEL); - if (!pindesc) { - dev_err(&pdev->dev, "mem alloc for pin descriptors failed\n"); + if (!pindesc) return -ENOMEM; - } ctrldesc->pins = pindesc; ctrldesc->npins = EXYNOS5440_MAX_PINS; @@ -804,10 +773,8 @@ static int exynos5440_pinctrl_register(struct platform_device *pdev, */ pin_names = devm_kzalloc(&pdev->dev, sizeof(char) * PIN_NAME_LENGTH * ctrldesc->npins, GFP_KERNEL); - if (!pin_names) { - dev_err(&pdev->dev, "mem alloc for pin names failed\n"); + if (!pin_names) return -ENOMEM; - } /* for each pin, set the name of the pin */ for (pin = 0; pin < ctrldesc->npins; pin++) { @@ -844,10 +811,8 @@ static int exynos5440_gpiolib_register(struct platform_device *pdev, int ret; gc = devm_kzalloc(&pdev->dev, sizeof(*gc), GFP_KERNEL); - if (!gc) { - dev_err(&pdev->dev, "mem alloc for gpio_chip failed\n"); + if (!gc) return -ENOMEM; - } priv->gc = gc; gc->base = 0; @@ -929,7 +894,6 @@ static int exynos5440_gpio_irq_map(struct irq_domain *h, unsigned int virq, irq_set_chip_data(virq, d); irq_set_chip_and_handler(virq, &exynos5440_gpio_irq_chip, handle_level_irq); - set_irq_flags(virq, IRQF_VALID); return 0; } @@ -949,10 +913,8 @@ static int exynos5440_gpio_irq_init(struct platform_device *pdev, intd = devm_kzalloc(dev, sizeof(*intd) * EXYNOS5440_MAX_GPIO_INT, GFP_KERNEL); - if (!intd) { - dev_err(dev, "failed to allocate memory for gpio intr data\n"); + if (!intd) return -ENOMEM; - } for (i = 0; i < EXYNOS5440_MAX_GPIO_INT; i++) { irq = irq_of_parse_and_map(dev->of_node, i); @@ -995,10 +957,8 @@ static int exynos5440_pinctrl_probe(struct platform_device *pdev) } priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); - if (!priv) { - dev_err(dev, "could not allocate memory for private data\n"); + if (!priv) return -ENOMEM; - } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); priv->reg_base = devm_ioremap_resource(&pdev->dev, res); -- cgit v1.2.3-54-g00ecf