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authorOlof Johansson <olof@lixom.net>2012-09-06 00:35:48 +0200
committerOlof Johansson <olof@lixom.net>2012-09-06 00:35:48 +0200
commit1875962377574b4edb7b164001e3e341c25290d5 (patch)
tree374a5299403ec21e2d9a66a6548ce876a388b589 /drivers/gpio
parentMerge branch 'dt' of git://github.com/hzhuang1/linux into next/dt (diff)
parentARM: mach-shmobile: Add compilation support for dtbs using 'make dtbs' (diff)
downloadlinux-1875962377574b4edb7b164001e3e341c25290d5.tar.xz
linux-1875962377574b4edb7b164001e3e341c25290d5.zip
Merge branch 'soc-core' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt
* 'soc-core' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: ARM: mach-shmobile: Add compilation support for dtbs using 'make dtbs' + sync to 3.6-rc3
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-em.c2
-rw-r--r--drivers/gpio/gpio-langwell.c7
-rw-r--r--drivers/gpio/gpio-msic.c2
-rw-r--r--drivers/gpio/gpio-mxc.c5
-rw-r--r--drivers/gpio/gpio-pxa.c30
-rw-r--r--drivers/gpio/gpio-samsung.c14
-rw-r--r--drivers/gpio/gpio-sch.c3
7 files changed, 46 insertions, 17 deletions
diff --git a/drivers/gpio/gpio-em.c b/drivers/gpio/gpio-em.c
index 150d9768811d..ae37181798b3 100644
--- a/drivers/gpio/gpio-em.c
+++ b/drivers/gpio/gpio-em.c
@@ -266,7 +266,7 @@ static int __devinit em_gio_irq_domain_init(struct em_gio_priv *p)
return 0;
}
-static void __devexit em_gio_irq_domain_cleanup(struct em_gio_priv *p)
+static void em_gio_irq_domain_cleanup(struct em_gio_priv *p)
{
struct gpio_em_config *pdata = p->pdev->dev.platform_data;
diff --git a/drivers/gpio/gpio-langwell.c b/drivers/gpio/gpio-langwell.c
index a1c8754f52cf..202a99207b7d 100644
--- a/drivers/gpio/gpio-langwell.c
+++ b/drivers/gpio/gpio-langwell.c
@@ -339,7 +339,7 @@ static int __devinit lnw_gpio_probe(struct pci_dev *pdev,
resource_size_t start, len;
struct lnw_gpio *lnw;
u32 gpio_base;
- int retval = 0;
+ int retval;
int ngpio = id->driver_data;
retval = pci_enable_device(pdev);
@@ -357,6 +357,7 @@ static int __devinit lnw_gpio_probe(struct pci_dev *pdev,
base = ioremap_nocache(start, len);
if (!base) {
dev_err(&pdev->dev, "error mapping bar1\n");
+ retval = -EFAULT;
goto err3;
}
gpio_base = *((u32 *)base + 1);
@@ -381,8 +382,10 @@ static int __devinit lnw_gpio_probe(struct pci_dev *pdev,
lnw->domain = irq_domain_add_linear(pdev->dev.of_node, ngpio,
&lnw_gpio_irq_ops, lnw);
- if (!lnw->domain)
+ if (!lnw->domain) {
+ retval = -ENOMEM;
goto err3;
+ }
lnw->reg_base = base;
lnw->chip.label = dev_name(&pdev->dev);
diff --git a/drivers/gpio/gpio-msic.c b/drivers/gpio/gpio-msic.c
index 71a838f44501..b38986285868 100644
--- a/drivers/gpio/gpio-msic.c
+++ b/drivers/gpio/gpio-msic.c
@@ -99,7 +99,7 @@ static int msic_gpio_to_oreg(unsigned offset)
if (offset < 20)
return INTEL_MSIC_GPIO0HV0CTLO - offset + 16;
- return INTEL_MSIC_GPIO1HV0CTLO + offset + 20;
+ return INTEL_MSIC_GPIO1HV0CTLO - offset + 20;
}
static int msic_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c
index 4db460b6ecf7..80f44bb64a87 100644
--- a/drivers/gpio/gpio-mxc.c
+++ b/drivers/gpio/gpio-mxc.c
@@ -465,9 +465,8 @@ static int __devinit mxc_gpio_probe(struct platform_device *pdev)
goto out_iounmap;
port->bgc.gc.to_irq = mxc_gpio_to_irq;
- port->bgc.gc.base = pdev->id * 32;
- port->bgc.dir = port->bgc.read_reg(port->bgc.reg_dir);
- port->bgc.data = port->bgc.read_reg(port->bgc.reg_set);
+ port->bgc.gc.base = (pdev->id < 0) ? of_alias_get_id(np, "gpio") * 32 :
+ pdev->id * 32;
err = gpiochip_add(&port->bgc.gc);
if (err)
diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c
index db5c2958f973..9528779ca463 100644
--- a/drivers/gpio/gpio-pxa.c
+++ b/drivers/gpio/gpio-pxa.c
@@ -65,6 +65,7 @@ static int irq_base;
#ifdef CONFIG_OF
static struct irq_domain *domain;
+static struct device_node *pxa_gpio_of_node;
#endif
struct pxa_gpio_chip {
@@ -231,6 +232,24 @@ static void pxa_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
(value ? GPSR_OFFSET : GPCR_OFFSET));
}
+#ifdef CONFIG_OF_GPIO
+static int pxa_gpio_of_xlate(struct gpio_chip *gc,
+ const struct of_phandle_args *gpiospec,
+ u32 *flags)
+{
+ if (gpiospec->args[0] > pxa_last_gpio)
+ return -EINVAL;
+
+ if (gc != &pxa_gpio_chips[gpiospec->args[0] / 32].chip)
+ return -EINVAL;
+
+ if (flags)
+ *flags = gpiospec->args[1];
+
+ return gpiospec->args[0] % 32;
+}
+#endif
+
static int __devinit pxa_init_gpio_chip(int gpio_end,
int (*set_wake)(unsigned int, unsigned int))
{
@@ -258,6 +277,11 @@ static int __devinit pxa_init_gpio_chip(int gpio_end,
c->get = pxa_gpio_get;
c->set = pxa_gpio_set;
c->to_irq = pxa_gpio_to_irq;
+#ifdef CONFIG_OF_GPIO
+ c->of_node = pxa_gpio_of_node;
+ c->of_xlate = pxa_gpio_of_xlate;
+ c->of_gpio_n_cells = 2;
+#endif
/* number of GPIOs on last bank may be less than 32 */
c->ngpio = (gpio + 31 > gpio_end) ? (gpio_end - gpio + 1) : 32;
@@ -447,6 +471,7 @@ static int pxa_gpio_nums(void)
return count;
}
+#ifdef CONFIG_OF
static struct of_device_id pxa_gpio_dt_ids[] = {
{ .compatible = "mrvl,pxa-gpio" },
{ .compatible = "mrvl,mmp-gpio", .data = (void *)MMP_GPIO },
@@ -464,9 +489,9 @@ static int pxa_irq_domain_map(struct irq_domain *d, unsigned int irq,
const struct irq_domain_ops pxa_irq_domain_ops = {
.map = pxa_irq_domain_map,
+ .xlate = irq_domain_xlate_twocell,
};
-#ifdef CONFIG_OF
static int __devinit pxa_gpio_probe_dt(struct platform_device *pdev)
{
int ret, nr_banks, nr_gpios;
@@ -504,6 +529,7 @@ static int __devinit pxa_gpio_probe_dt(struct platform_device *pdev)
}
domain = irq_domain_add_legacy(np, nr_gpios, irq_base, 0,
&pxa_irq_domain_ops, NULL);
+ pxa_gpio_of_node = np;
return 0;
err:
iounmap(gpio_reg_base);
@@ -622,7 +648,7 @@ static struct platform_driver pxa_gpio_driver = {
.probe = pxa_gpio_probe,
.driver = {
.name = "pxa-gpio",
- .of_match_table = pxa_gpio_dt_ids,
+ .of_match_table = of_match_ptr(pxa_gpio_dt_ids),
},
};
diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c
index 92f7b2bb79d4..ba126cc04073 100644
--- a/drivers/gpio/gpio-samsung.c
+++ b/drivers/gpio/gpio-samsung.c
@@ -2454,12 +2454,6 @@ static struct samsung_gpio_chip exynos5_gpios_1[] = {
},
}, {
.chip = {
- .base = EXYNOS5_GPC4(0),
- .ngpio = EXYNOS5_GPIO_C4_NR,
- .label = "GPC4",
- },
- }, {
- .chip = {
.base = EXYNOS5_GPD0(0),
.ngpio = EXYNOS5_GPIO_D0_NR,
.label = "GPD0",
@@ -2513,6 +2507,12 @@ static struct samsung_gpio_chip exynos5_gpios_1[] = {
.label = "GPY6",
},
}, {
+ .chip = {
+ .base = EXYNOS5_GPC4(0),
+ .ngpio = EXYNOS5_GPIO_C4_NR,
+ .label = "GPC4",
+ },
+ }, {
.config = &samsung_gpio_cfgs[9],
.irq_base = IRQ_EINT(0),
.chip = {
@@ -2836,7 +2836,7 @@ static __init void exynos5_gpiolib_init(void)
}
/* need to set base address for gpc4 */
- exynos5_gpios_1[11].base = gpio_base1 + 0x2E0;
+ exynos5_gpios_1[20].base = gpio_base1 + 0x2E0;
/* need to set base address for gpx */
chip = &exynos5_gpios_1[21];
diff --git a/drivers/gpio/gpio-sch.c b/drivers/gpio/gpio-sch.c
index 424dce8e3f30..8707d4572a06 100644
--- a/drivers/gpio/gpio-sch.c
+++ b/drivers/gpio/gpio-sch.c
@@ -241,7 +241,8 @@ static int __devinit sch_gpio_probe(struct platform_device *pdev)
break;
default:
- return -ENODEV;
+ err = -ENODEV;
+ goto err_sch_gpio_core;
}
sch_gpio_core.dev = &pdev->dev;