diff options
Diffstat (limited to 'drivers/gpio')
-rw-r--r-- | drivers/gpio/langwell_gpio.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/gpio/langwell_gpio.c b/drivers/gpio/langwell_gpio.c index 5711ce5353c6..4baf3d7d0f8e 100644 --- a/drivers/gpio/langwell_gpio.c +++ b/drivers/gpio/langwell_gpio.c | |||
@@ -144,13 +144,6 @@ static int lnw_irq_type(unsigned irq, unsigned type) | |||
144 | 144 | ||
145 | static void lnw_irq_unmask(unsigned irq) | 145 | static void lnw_irq_unmask(unsigned irq) |
146 | { | 146 | { |
147 | struct lnw_gpio *lnw = get_irq_chip_data(irq); | ||
148 | u32 gpio = irq - lnw->irq_base; | ||
149 | u8 reg = gpio / 32; | ||
150 | void __iomem *gedr; | ||
151 | |||
152 | gedr = (void __iomem *)(&lnw->reg_base->GEDR[reg]); | ||
153 | writel(BIT(gpio % 32), gedr); | ||
154 | }; | 147 | }; |
155 | 148 | ||
156 | static void lnw_irq_mask(unsigned irq) | 149 | static void lnw_irq_mask(unsigned irq) |
@@ -183,13 +176,11 @@ static void lnw_irq_handler(unsigned irq, struct irq_desc *desc) | |||
183 | gedr_v = readl(gedr); | 176 | gedr_v = readl(gedr); |
184 | if (!gedr_v) | 177 | if (!gedr_v) |
185 | continue; | 178 | continue; |
186 | for (gpio = reg*32; gpio < reg*32+32; gpio++) { | 179 | for (gpio = reg*32; gpio < reg*32+32; gpio++) |
187 | gedr_v = readl(gedr); | ||
188 | if (gedr_v & BIT(gpio % 32)) { | 180 | if (gedr_v & BIT(gpio % 32)) { |
189 | pr_debug("pin %d triggered\n", gpio); | 181 | pr_debug("pin %d triggered\n", gpio); |
190 | generic_handle_irq(lnw->irq_base + gpio); | 182 | generic_handle_irq(lnw->irq_base + gpio); |
191 | } | 183 | } |
192 | } | ||
193 | /* clear the edge detect status bit */ | 184 | /* clear the edge detect status bit */ |
194 | writel(gedr_v, gedr); | 185 | writel(gedr_v, gedr); |
195 | } | 186 | } |