summaryrefslogtreecommitdiff
path: root/drivers/mfd/sun4i-gpadc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mfd/sun4i-gpadc.c')
-rw-r--r--drivers/mfd/sun4i-gpadc.c21
1 files changed, 7 insertions, 14 deletions
diff --git a/drivers/mfd/sun4i-gpadc.c b/drivers/mfd/sun4i-gpadc.c
index 9cfc88134d03..bf2f6fdaf8bf 100644
--- a/drivers/mfd/sun4i-gpadc.c
+++ b/drivers/mfd/sun4i-gpadc.c
@@ -1,18 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0-only
/* ADC MFD core driver for sunxi platforms
*
* Copyright (c) 2016 Quentin Schulz <quentin.schulz@free-electrons.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
*/
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/mfd/core.h>
#include <linux/module.h>
-#include <linux/of_device.h>
-#include <linux/of_irq.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/mfd/sun4i-gpadc.h>
@@ -21,7 +18,7 @@
#define ARCH_SUN5I_A13 1
#define ARCH_SUN6I_A31 2
-static struct resource adc_resources[] = {
+static const struct resource adc_resources[] = {
DEFINE_RES_IRQ_NAMED(SUN4I_GPADC_IRQ_FIFO_DATA, "FIFO_DATA_PENDING"),
DEFINE_RES_IRQ_NAMED(SUN4I_GPADC_IRQ_TEMP_DATA, "TEMP_DATA_PENDING"),
};
@@ -37,9 +34,8 @@ static const struct regmap_irq_chip sun4i_gpadc_regmap_irq_chip = {
.name = "sun4i_gpadc_irq_chip",
.status_base = SUN4I_GPADC_INT_FIFOS,
.ack_base = SUN4I_GPADC_INT_FIFOS,
- .mask_base = SUN4I_GPADC_INT_FIFOC,
+ .unmask_base = SUN4I_GPADC_INT_FIFOC,
.init_ack_masked = true,
- .mask_invert = true,
.irqs = sun4i_gpadc_regmap_irq,
.num_irqs = ARRAY_SIZE(sun4i_gpadc_regmap_irq),
.num_regs = 1,
@@ -76,7 +72,6 @@ static const struct regmap_config sun4i_gpadc_regmap_config = {
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
- .fast_io = true,
};
static const struct of_device_id sun4i_gpadc_of_match[] = {
@@ -97,7 +92,6 @@ MODULE_DEVICE_TABLE(of, sun4i_gpadc_of_match);
static int sun4i_gpadc_probe(struct platform_device *pdev)
{
struct sun4i_gpadc_dev *dev;
- struct resource *mem;
const struct of_device_id *of_id;
const struct mfd_cell *cells;
unsigned int irq, size;
@@ -128,8 +122,7 @@ static int sun4i_gpadc_probe(struct platform_device *pdev)
if (!dev)
return -ENOMEM;
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- dev->base = devm_ioremap_resource(&pdev->dev, mem);
+ dev->base = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
if (IS_ERR(dev->base))
return PTR_ERR(dev->base);
@@ -169,7 +162,7 @@ static int sun4i_gpadc_probe(struct platform_device *pdev)
static struct platform_driver sun4i_gpadc_driver = {
.driver = {
.name = "sun4i-gpadc",
- .of_match_table = of_match_ptr(sun4i_gpadc_of_match),
+ .of_match_table = sun4i_gpadc_of_match,
},
.probe = sun4i_gpadc_probe,
};