Merge branch 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvar...

[pandora-kernel.git] / drivers / pinctrl / pinctrl-exynos.c

diff --git a/drivers/pinctrl/pinctrl-exynos.c b/drivers/pinctrl/pinctrl-exynos.c
index 447818d..21362f4 100644 (file)
--- a/drivers/pinctrl/pinctrl-exynos.c
+++ b/drivers/pinctrl/pinctrl-exynos.c
@@ -58,7 +58,7 @@ static void exynos_gpio_irq_mask(struct irq_data *irqd)
        unsigned long mask;
 
        mask = readl(d->virt_base + reg_mask);
-       mask |= ~(1 << edata->pin);
+       mask |= 1 << edata->pin;
        writel(mask, d->virt_base + reg_mask);
 }
 
@@ -76,9 +76,11 @@ static int exynos_gpio_irq_set_type(struct irq_data *irqd, unsigned int type)
        struct samsung_pinctrl_drv_data *d = irqd->domain->host_data;
        struct samsung_pin_ctrl *ctrl = d->ctrl;
        struct exynos_geint_data *edata = irq_data_get_irq_handler_data(irqd);
+       struct samsung_pin_bank *bank = edata->bank;
        unsigned int shift = EXYNOS_EINT_CON_LEN * edata->pin;
        unsigned int con, trig_type;
        unsigned long reg_con = ctrl->geint_con + edata->eint_offset;
+       unsigned int mask;
 
        switch (type) {
        case IRQ_TYPE_EDGE_RISING:
@@ -110,6 +112,16 @@ static int exynos_gpio_irq_set_type(struct irq_data *irqd, unsigned int type)
        con &= ~(EXYNOS_EINT_CON_MASK << shift);
        con |= trig_type << shift;
        writel(con, d->virt_base + reg_con);
+
+       reg_con = bank->pctl_offset;
+       shift = edata->pin * bank->func_width;
+       mask = (1 << bank->func_width) - 1;
+
+       con = readl(d->virt_base + reg_con);
+       con &= ~(mask << shift);
+       con |= EXYNOS_EINT_FUNC << shift;
+       writel(con, d->virt_base + reg_con);
+
        return 0;
 }
 
@@ -278,7 +290,7 @@ static void exynos_wkup_irq_mask(struct irq_data *irqd)
        unsigned long mask;
 
        mask = readl(d->virt_base + reg_mask);
-       mask &= ~(1 << pin);
+       mask |= 1 << pin;
        writel(mask, d->virt_base + reg_mask);
 }
 
@@ -364,7 +376,7 @@ static void exynos_irq_eint0_15(unsigned int irq, struct irq_desc *desc)
        chained_irq_exit(chip, desc);
 }
 
-static void exynos_irq_demux_eint(int irq_base, unsigned long pend,
+static inline void exynos_irq_demux_eint(int irq_base, unsigned long pend,
                                        struct irq_domain *domain)
 {
        unsigned int irq;
@@ -383,12 +395,15 @@ static void exynos_irq_demux_eint16_31(unsigned int irq, struct irq_desc *desc)
        struct exynos_weint_data *eintd = irq_get_handler_data(irq);
        struct samsung_pinctrl_drv_data *d = eintd->domain->host_data;
        unsigned long pend;
+       unsigned long mask;
 
        chained_irq_enter(chip, desc);
        pend = readl(d->virt_base + d->ctrl->weint_pend + 0x8);
-       exynos_irq_demux_eint(16, pend, eintd->domain);
+       mask = readl(d->virt_base + d->ctrl->weint_mask + 0x8);
+       exynos_irq_demux_eint(16, pend & ~mask, eintd->domain);
        pend = readl(d->virt_base + d->ctrl->weint_pend + 0xC);
-       exynos_irq_demux_eint(24, pend, eintd->domain);
+       mask = readl(d->virt_base + d->ctrl->weint_mask + 0xC);
+       exynos_irq_demux_eint(24, pend & ~mask, eintd->domain);
        chained_irq_exit(chip, desc);
 }
 
@@ -416,19 +431,23 @@ static const struct irq_domain_ops exynos_wkup_irqd_ops = {
 static int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d)
 {
        struct device *dev = d->dev;
-       struct device_node *wkup_np;
+       struct device_node *wkup_np = NULL;
+       struct device_node *np;
        struct exynos_weint_data *weint_data;
        int idx, irq;
 
-       wkup_np = of_find_matching_node(dev->of_node, exynos_wkup_irq_ids);
-       if (!wkup_np) {
-               dev_err(dev, "wakeup controller node not found\n");
-               return -ENODEV;
+       for_each_child_of_node(dev->of_node, np) {
+               if (of_match_node(exynos_wkup_irq_ids, np)) {
+                       wkup_np = np;
+                       break;
+               }
        }
+       if (!wkup_np)
+               return -ENODEV;
 
        d->wkup_irqd = irq_domain_add_linear(wkup_np, d->ctrl->nr_wint,
                                &exynos_wkup_irqd_ops, d);
-       if (!d->gpio_irqd) {
+       if (!d->wkup_irqd) {
                dev_err(dev, "wakeup irq domain allocation failed\n");
                return -ENXIO;
        }