linux-kernel - [PATCH 5/5] irqchip/qcom-pdc: Drop open coded version of __assign

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Date:   Thu, 24 Feb 2022 10:12:26 +0000
From:   Marc Zyngier <maz@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-arm-msm@...r.kernel.org
Subject: [PATCH 5/5] irqchip/qcom-pdc: Drop open coded version of __assign_bit()

The driver uses what looks like an open-coded version of __assign_bit().
Replace it with the real thing.

Signed-off-by: Marc Zyngier <maz@...nel.org>
---
 drivers/irqchip/qcom-pdc.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/irqchip/qcom-pdc.c b/drivers/irqchip/qcom-pdc.c
index 0cd20ddfae2a..d96916cf6a41 100644
--- a/drivers/irqchip/qcom-pdc.c
+++ b/drivers/irqchip/qcom-pdc.c
@@ -23,9 +23,6 @@
 
 #define PDC_MAX_GPIO_IRQS	256
 
-#define CLEAR_INTR(reg, intr)	(reg & ~(1 << intr))
-#define ENABLE_INTR(reg, intr)	(reg | (1 << intr))
-
 #define IRQ_ENABLE_BANK		0x10
 #define IRQ_i_CFG		0x110
 
@@ -55,16 +52,16 @@ static u32 pdc_reg_read(int reg, u32 i)
 static void pdc_enable_intr(struct irq_data *d, bool on)
 {
 	int pin_out = d->hwirq;
+	unsigned long enable;
 	unsigned long flags;
 	u32 index, mask;
-	u32 enable;
 
 	index = pin_out / 32;
 	mask = pin_out % 32;
 
 	raw_spin_lock_irqsave(&pdc_lock, flags);
 	enable = pdc_reg_read(IRQ_ENABLE_BANK, index);
-	enable = on ? ENABLE_INTR(enable, mask) : CLEAR_INTR(enable, mask);
+	__assign_bit(mask, &enable, on);
 	pdc_reg_write(IRQ_ENABLE_BANK, index, enable);
 	raw_spin_unlock_irqrestore(&pdc_lock, flags);
 }
-- 
2.30.2