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Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/Kconfig2
-rw-r--r--drivers/gpio/gpio-mvebu.c18
-rw-r--r--drivers/gpio/gpio-mxs.c9
-rw-r--r--drivers/gpio/gpio-spear-spics.c8
-rw-r--r--drivers/gpio/gpio-stp-xway.c9
-rw-r--r--drivers/gpio/gpio-tegra.c9
-rw-r--r--drivers/gpio/gpiolib.c2
7 files changed, 27 insertions, 30 deletions
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index e5116fa85140..1855a6fd2b0a 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -66,7 +66,7 @@ config DEBUG_GPIO
config GPIO_SYSFS
bool "/sys/class/gpio/... (sysfs interface)"
- depends on SYSFS && EXPERIMENTAL
+ depends on SYSFS
help
Say Y here to add a sysfs interface for GPIOs.
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c
index 6819d63cb167..7472182967ce 100644
--- a/drivers/gpio/gpio-mvebu.c
+++ b/drivers/gpio/gpio-mvebu.c
@@ -33,6 +33,7 @@
* interrupts.
*/
+#include <linux/err.h>
#include <linux/module.h>
#include <linux/gpio.h>
#include <linux/irq.h>
@@ -544,11 +545,9 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
mvchip->chip.of_node = np;
spin_lock_init(&mvchip->lock);
- mvchip->membase = devm_request_and_ioremap(&pdev->dev, res);
- if (! mvchip->membase) {
- dev_err(&pdev->dev, "Cannot ioremap\n");
- return -ENOMEM;
- }
+ mvchip->membase = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(mvchip->membase))
+ return PTR_ERR(mvchip->membase);
/* The Armada XP has a second range of registers for the
* per-CPU registers */
@@ -559,11 +558,10 @@ static int mvebu_gpio_probe(struct platform_device *pdev)
return -ENODEV;
}
- mvchip->percpu_membase = devm_request_and_ioremap(&pdev->dev, res);
- if (! mvchip->percpu_membase) {
- dev_err(&pdev->dev, "Cannot ioremap\n");
- return -ENOMEM;
- }
+ mvchip->percpu_membase = devm_ioremap_resource(&pdev->dev,
+ res);
+ if (IS_ERR(mvchip->percpu_membase))
+ return PTR_ERR(mvchip->percpu_membase);
}
/*
diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c
index fa2a63cad32e..45d97c46831a 100644
--- a/drivers/gpio/gpio-mxs.c
+++ b/drivers/gpio/gpio-mxs.c
@@ -20,6 +20,7 @@
* MA 02110-1301, USA.
*/
+#include <linux/err.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/io.h>
@@ -253,12 +254,14 @@ static int mxs_gpio_probe(struct platform_device *pdev)
parent = of_get_parent(np);
base = of_iomap(parent, 0);
of_node_put(parent);
+ if (!base)
+ return -EADDRNOTAVAIL;
} else {
iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- base = devm_request_and_ioremap(&pdev->dev, iores);
+ base = devm_ioremap_resource(&pdev->dev, iores);
+ if (IS_ERR(base))
+ return PTR_ERR(base);
}
- if (!base)
- return -EADDRNOTAVAIL;
}
port->base = base;
diff --git a/drivers/gpio/gpio-spear-spics.c b/drivers/gpio/gpio-spear-spics.c
index 5f45fc4ed5d1..7a4bf7c0d98f 100644
--- a/drivers/gpio/gpio-spear-spics.c
+++ b/drivers/gpio/gpio-spear-spics.c
@@ -140,11 +140,9 @@ static int spics_gpio_probe(struct platform_device *pdev)
return -ENOMEM;
}
- spics->base = devm_request_and_ioremap(&pdev->dev, res);
- if (!spics->base) {
- dev_err(&pdev->dev, "request and ioremap fail\n");
- return -ENOMEM;
- }
+ spics->base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(spics->base))
+ return PTR_ERR(spics->base);
if (of_property_read_u32(np, "st-spics,peripcfg-reg",
&spics->perip_cfg))
diff --git a/drivers/gpio/gpio-stp-xway.c b/drivers/gpio/gpio-stp-xway.c
index 85841ee70b17..c20e05151212 100644
--- a/drivers/gpio/gpio-stp-xway.c
+++ b/drivers/gpio/gpio-stp-xway.c
@@ -214,11 +214,10 @@ static int xway_stp_probe(struct platform_device *pdev)
if (!chip)
return -ENOMEM;
- chip->virt = devm_request_and_ioremap(&pdev->dev, res);
- if (!chip->virt) {
- dev_err(&pdev->dev, "failed to remap STP memory\n");
- return -ENOMEM;
- }
+ chip->virt = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(chip->virt))
+ return PTR_ERR(chip->virt);
+
chip->gc.dev = &pdev->dev;
chip->gc.label = "stp-xway";
chip->gc.direction_output = xway_stp_dir_out;
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index 63cb643d4b5a..414ad912232f 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -17,6 +17,7 @@
*
*/
+#include <linux/err.h>
#include <linux/init.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
@@ -450,11 +451,9 @@ static int tegra_gpio_probe(struct platform_device *pdev)
return -ENODEV;
}
- regs = devm_request_and_ioremap(&pdev->dev, res);
- if (!regs) {
- dev_err(&pdev->dev, "Couldn't ioremap regs\n");
- return -ENODEV;
- }
+ regs = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(regs))
+ return PTR_ERR(regs);
for (i = 0; i < tegra_gpio_bank_count; i++) {
for (j = 0; j < 4; j++) {
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 199fca15f270..5359ca78130f 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -806,7 +806,7 @@ fail_unlock:
}
EXPORT_SYMBOL_GPL(gpio_export);
-static int match_export(struct device *dev, void *data)
+static int match_export(struct device *dev, const void *data)
{
return dev_get_drvdata(dev) == data;
}