Function 'to_mediatek_gpio' cannot return NULL, so this NULL
checkings are pointless.
Signed-off-by: Sergio Paracuellos <sergio.paracuellos@xxxxxxxxx>
---
drivers/staging/mt7621-gpio/gpio-mt7621.c | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/drivers/staging/mt7621-gpio/gpio-mt7621.c b/drivers/staging/mt7621-gpio/gpio-mt7621.c
index 853817a..1318003 100644
--- a/drivers/staging/mt7621-gpio/gpio-mt7621.c
+++ b/drivers/staging/mt7621-gpio/gpio-mt7621.c
@@ -115,9 +115,6 @@ mediatek_gpio_irq_unmask(struct irq_data *d)
unsigned long flags;
u32 rise, fall, high, low;
- if (!rg)
- return;
-
spin_lock_irqsave(&rg->lock, flags);
rise = mtk_gpio_r32(rg, GPIO_REG_REDGE);
fall = mtk_gpio_r32(rg, GPIO_REG_FEDGE);
@@ -139,9 +136,6 @@ mediatek_gpio_irq_mask(struct irq_data *d)
unsigned long flags;
u32 rise, fall, high, low;
- if (!rg)
- return;
-
spin_lock_irqsave(&rg->lock, flags);
rise = mtk_gpio_r32(rg, GPIO_REG_REDGE);
fall = mtk_gpio_r32(rg, GPIO_REG_FEDGE);
@@ -162,9 +156,6 @@ mediatek_gpio_irq_type(struct irq_data *d, unsigned int type)
int pin = d->hwirq;
u32 mask = BIT(pin);
- if (!rg)
- return -1;
-
if (type == IRQ_TYPE_PROBE) {
if ((rg->rising | rg->falling |
rg->hlevel | rg->llevel) & mask)
--
2.7.4
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