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path: root/drivers/pinctrl/bcm/pinctrl-ns2-mux.c
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Diffstat (limited to 'drivers/pinctrl/bcm/pinctrl-ns2-mux.c')
-rw-r--r--drivers/pinctrl/bcm/pinctrl-ns2-mux.c28
1 files changed, 11 insertions, 17 deletions
diff --git a/drivers/pinctrl/bcm/pinctrl-ns2-mux.c b/drivers/pinctrl/bcm/pinctrl-ns2-mux.c
index 57044ab376d3..23ab3ab064b6 100644
--- a/drivers/pinctrl/bcm/pinctrl-ns2-mux.c
+++ b/drivers/pinctrl/bcm/pinctrl-ns2-mux.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (C) 2016 Broadcom Corporation
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation version 2.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether express or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
* This file contains the Northstar2 IOMUX driver that supports group
* based PINMUX configuration. The PWM is functional only when the
* corresponding mfio pin group is selected as gpio.
@@ -17,12 +9,14 @@
#include <linux/err.h>
#include <linux/io.h>
#include <linux/of.h>
-#include <linux/pinctrl/pinconf.h>
+#include <linux/platform_device.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
+
#include <linux/pinctrl/pinconf-generic.h>
+#include <linux/pinctrl/pinconf.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/pinctrl/pinmux.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
#include "../core.h"
#include "../pinctrl-utils.h"
@@ -853,7 +847,7 @@ static int ns2_pin_config_get(struct pinctrl_dev *pctldev, unsigned int pin,
switch (param) {
case PIN_CONFIG_BIAS_DISABLE:
ns2_pin_get_pull(pctldev, pin, &pull_up, &pull_down);
- if ((pull_up == false) && (pull_down == false))
+ if (!pull_up && !pull_down)
return 0;
else
return -EINVAL;
@@ -977,6 +971,7 @@ static struct pinctrl_desc ns2_pinctrl_desc = {
.pctlops = &ns2_pinctrl_ops,
.pmxops = &ns2_pinmux_ops,
.confops = &ns2_pinconf_ops,
+ .npins = ARRAY_SIZE(ns2_pins),
};
static int ns2_mux_log_init(struct ns2_pinctrl *pinctrl)
@@ -1032,7 +1027,6 @@ static int ns2_pinmux_probe(struct platform_device *pdev)
struct resource *res;
int i, ret;
struct pinctrl_pin_desc *pins;
- unsigned int num_pins = ARRAY_SIZE(ns2_pins);
pinctrl = devm_kzalloc(&pdev->dev, sizeof(*pinctrl), GFP_KERNEL);
if (!pinctrl)
@@ -1066,11 +1060,12 @@ static int ns2_pinmux_probe(struct platform_device *pdev)
return ret;
}
- pins = devm_kcalloc(&pdev->dev, num_pins, sizeof(*pins), GFP_KERNEL);
+ pins = devm_kcalloc(&pdev->dev, ARRAY_SIZE(ns2_pins), sizeof(*pins),
+ GFP_KERNEL);
if (!pins)
return -ENOMEM;
- for (i = 0; i < num_pins; i++) {
+ for (i = 0; i < ARRAY_SIZE(ns2_pins); i++) {
pins[i].number = ns2_pins[i].pin;
pins[i].name = ns2_pins[i].name;
pins[i].drv_data = &ns2_pins[i];
@@ -1081,7 +1076,6 @@ static int ns2_pinmux_probe(struct platform_device *pdev)
pinctrl->functions = ns2_pin_functions;
pinctrl->num_functions = ARRAY_SIZE(ns2_pin_functions);
ns2_pinctrl_desc.pins = pins;
- ns2_pinctrl_desc.npins = num_pins;
pinctrl->pctl = pinctrl_register(&ns2_pinctrl_desc, &pdev->dev,
pinctrl);