irqchip/irq-imx-gpcv2: Make use of BIT() macro

ndreys · Marc Zyngier · commit f2dace5f9725 · 2018-12-13T09:35:55.000Z
Convert all instances of 1 &lt;&lt; x to BIT(x) for consistency with other
kernel code.

Cc: Thomas Gleixner &lt;tglx@linutronix.de&gt;
Cc: Jason Cooper &lt;jason@lakedaemon.net&gt;
Cc: Marc Zyngier &lt;marc.zyngier@arm.com&gt;
Cc: cphealy@gmail.com
Cc: l.stach@pengutronix.de
Cc: Leonard Crestez &lt;leonard.crestez@nxp.com&gt;
Cc: "A.s. Dong" &lt;aisheng.dong@nxp.com&gt;
Cc: Richard Zhu &lt;hongxing.zhu@nxp.com&gt;
Cc: linux-imx@nxp.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Andrey Smirnov &lt;andrew.smirnov@gmail.com&gt;
Signed-off-by: Marc Zyngier &lt;marc.zyngier@arm.com&gt;
diff --git a/drivers/irqchip/irq-imx-gpcv2.c b/drivers/irqchip/irq-imx-gpcv2.c
@@ -78,7 +78,7 @@ static int imx_gpcv2_irq_set_wake(struct irq_data *d, unsigned int on)
 	u32 mask, val;
 
 	raw_spin_lock_irqsave(&cd->rlock, flags);
-	mask = 1 << d->hwirq % 32;
+	mask = BIT(d->hwirq % 32);
 	val = cd->wakeup_sources[idx];
 
 	cd->wakeup_sources[idx] = on ? (val & ~mask) : (val | mask);
@@ -101,7 +101,7 @@ static void imx_gpcv2_irq_unmask(struct irq_data *d)
 	raw_spin_lock(&cd->rlock);
 	reg = gpcv2_idx_to_reg(cd, d->hwirq / 32);
 	val = readl_relaxed(reg);
-	val &= ~(1 << d->hwirq % 32);
+	val &= ~BIT(d->hwirq % 32);
 	writel_relaxed(val, reg);
 	raw_spin_unlock(&cd->rlock);
 
@@ -117,7 +117,7 @@ static void imx_gpcv2_irq_mask(struct irq_data *d)
 	raw_spin_lock(&cd->rlock);
 	reg = gpcv2_idx_to_reg(cd, d->hwirq / 32);
 	val = readl_relaxed(reg);
-	val |= 1 << (d->hwirq % 32);
+	val |= BIT(d->hwirq % 32);
 	writel_relaxed(val, reg);
 	raw_spin_unlock(&cd->rlock);
 
