diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/ramips/patches-3.14/999-gpi_irq.patch | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-3.14/999-gpi_irq.patch b/target/linux/ramips/patches-3.14/999-gpi_irq.patch new file mode 100644 index 0000000000..a421570672 --- /dev/null +++ b/target/linux/ramips/patches-3.14/999-gpi_irq.patch @@ -0,0 +1,42 @@ +--- a/drivers/gpio/gpio-ralink.c ++++ b/drivers/gpio/gpio-ralink.c +@@ -148,14 +148,15 @@ + { + struct ralink_gpio_chip *rg; + unsigned long flags; +- u32 val; ++ u32 rise, fall; + + rg = (struct ralink_gpio_chip *) d->domain->host_data; +- val = rt_gpio_r32(rg, GPIO_REG_RENA); ++ rise = rt_gpio_r32(rg, GPIO_REG_RENA); ++ fall = rt_gpio_r32(rg, GPIO_REG_FENA); + + spin_lock_irqsave(&rg->lock, flags); +- rt_gpio_w32(rg, GPIO_REG_RENA, val | (BIT(d->hwirq) & rg->rising)); +- rt_gpio_w32(rg, GPIO_REG_FENA, val | (BIT(d->hwirq) & rg->falling)); ++ rt_gpio_w32(rg, GPIO_REG_RENA, rise | (BIT(d->hwirq) & rg->rising)); ++ rt_gpio_w32(rg, GPIO_REG_FENA, fall | (BIT(d->hwirq) & rg->falling)); + spin_unlock_irqrestore(&rg->lock, flags); + } + +@@ -163,14 +164,15 @@ + { + struct ralink_gpio_chip *rg; + unsigned long flags; +- u32 val; ++ u32 rise, fall; + + rg = (struct ralink_gpio_chip *) d->domain->host_data; +- val = rt_gpio_r32(rg, GPIO_REG_RENA); ++ rise = rt_gpio_r32(rg, GPIO_REG_RENA); ++ fall = rt_gpio_r32(rg, GPIO_REG_FENA); + + spin_lock_irqsave(&rg->lock, flags); +- rt_gpio_w32(rg, GPIO_REG_FENA, val & ~BIT(d->hwirq)); +- rt_gpio_w32(rg, GPIO_REG_RENA, val & ~BIT(d->hwirq)); ++ rt_gpio_w32(rg, GPIO_REG_FENA, fall & ~BIT(d->hwirq)); ++ rt_gpio_w32(rg, GPIO_REG_RENA, rise & ~BIT(d->hwirq)); + spin_unlock_irqrestore(&rg->lock, flags); + } + |