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path: root/drivers/pinctrl/bcm/pinctrl-nsp-mux.c
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Diffstat (limited to 'drivers/pinctrl/bcm/pinctrl-nsp-mux.c')
-rw-r--r--drivers/pinctrl/bcm/pinctrl-nsp-mux.c34
1 files changed, 13 insertions, 21 deletions
diff --git a/drivers/pinctrl/bcm/pinctrl-nsp-mux.c b/drivers/pinctrl/bcm/pinctrl-nsp-mux.c
index 87618a4e90e4..9b716c0d2b94 100644
--- a/drivers/pinctrl/bcm/pinctrl-nsp-mux.c
+++ b/drivers/pinctrl/bcm/pinctrl-nsp-mux.c
@@ -1,14 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* Copyright (C) 2015 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 Northstar plus (NSP) IOMUX driver that supports
* group based PINMUX configuration. The Northstar plus IOMUX controller
* allows pins to be individually muxed to GPIO function. The NAND and MMC is
@@ -28,12 +20,14 @@
#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"
@@ -531,6 +525,7 @@ static struct pinctrl_desc nsp_pinctrl_desc = {
.name = "nsp-pinmux",
.pctlops = &nsp_pinctrl_ops,
.pmxops = &nsp_pinmux_ops,
+ .npins = ARRAY_SIZE(nsp_pins),
};
static int nsp_mux_log_init(struct nsp_pinctrl *pinctrl)
@@ -562,7 +557,6 @@ static int nsp_pinmux_probe(struct platform_device *pdev)
struct resource *res;
int i, ret;
struct pinctrl_pin_desc *pins;
- unsigned int num_pins = ARRAY_SIZE(nsp_pins);
pinctrl = devm_kzalloc(&pdev->dev, sizeof(*pinctrl), GFP_KERNEL);
if (!pinctrl)
@@ -571,23 +565,21 @@ static int nsp_pinmux_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, pinctrl);
spin_lock_init(&pinctrl->lock);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- pinctrl->base0 = devm_ioremap_resource(&pdev->dev, res);
+ pinctrl->base0 = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(pinctrl->base0))
return PTR_ERR(pinctrl->base0);
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
if (!res)
return -EINVAL;
- pinctrl->base1 = devm_ioremap_nocache(&pdev->dev, res->start,
+ pinctrl->base1 = devm_ioremap(&pdev->dev, res->start,
resource_size(res));
if (!pinctrl->base1) {
dev_err(&pdev->dev, "unable to map I/O space\n");
return -ENOMEM;
}
- res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
- pinctrl->base2 = devm_ioremap_resource(&pdev->dev, res);
+ pinctrl->base2 = devm_platform_ioremap_resource(pdev, 2);
if (IS_ERR(pinctrl->base2))
return PTR_ERR(pinctrl->base2);
@@ -597,11 +589,12 @@ static int nsp_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(nsp_pins), sizeof(*pins),
+ GFP_KERNEL);
if (!pins)
return -ENOMEM;
- for (i = 0; i < num_pins; i++) {
+ for (i = 0; i < ARRAY_SIZE(nsp_pins); i++) {
pins[i].number = nsp_pins[i].pin;
pins[i].name = nsp_pins[i].name;
pins[i].drv_data = &nsp_pins[i].gpio_select;
@@ -612,7 +605,6 @@ static int nsp_pinmux_probe(struct platform_device *pdev)
pinctrl->functions = nsp_pin_functions;
pinctrl->num_functions = ARRAY_SIZE(nsp_pin_functions);
nsp_pinctrl_desc.pins = pins;
- nsp_pinctrl_desc.npins = num_pins;
pinctrl->pctl = devm_pinctrl_register(&pdev->dev, &nsp_pinctrl_desc,
pinctrl);