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Date: Mon, 25 Mar 2024 16:46:52 -0000
From: "tip-bot2 for Biju Das" <tip-bot2@linutronix.de>
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Subject:
 [tip: irq/core] irqchip/renesas-rzg2l: Simplify rzg2l_irqc_irq_{en,dis}able()
Cc: Biju Das <biju.das.jz@bp.renesas.com>,
 Thomas Gleixner <tglx@linutronix.de>, x86@kernel.org,
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The following commit has been merged into the irq/core branch of tip:

Commit-ID:     46efb3053f4f23357e9e29f8abaa6f801d956a0c
Gitweb:        https://git.kernel.org/tip/46efb3053f4f23357e9e29f8abaa6f801d956a0c
Author:        Biju Das <biju.das.jz@bp.renesas.com>
AuthorDate:    Mon, 18 Mar 2024 08:50:41 
Committer:     Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Mon, 25 Mar 2024 17:38:28 +01:00

irqchip/renesas-rzg2l: Simplify rzg2l_irqc_irq_{en,dis}able()

Simplify rzg2l_irqc_irq_{en,dis}able() by moving common code to
rzg2l_tint_irq_endisable().

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

---
 drivers/irqchip/irq-renesas-rzg2l.c | 28 +++++++++++-----------------
 1 file changed, 11 insertions(+), 17 deletions(-)

diff --git a/drivers/irqchip/irq-renesas-rzg2l.c b/drivers/irqchip/irq-renesas-rzg2l.c
index ae67fec..f6484bf 100644
--- a/drivers/irqchip/irq-renesas-rzg2l.c
+++ b/drivers/irqchip/irq-renesas-rzg2l.c
@@ -138,7 +138,7 @@ static void rzg2l_irqc_eoi(struct irq_data *d)
 	irq_chip_eoi_parent(d);
 }
 
-static void rzg2l_irqc_irq_disable(struct irq_data *d)
+static void rzg2l_tint_irq_endisable(struct irq_data *d, bool enable)
 {
 	unsigned int hw_irq = irqd_to_hwirq(d);
 
@@ -151,30 +151,24 @@ static void rzg2l_irqc_irq_disable(struct irq_data *d)
 
 		raw_spin_lock(&priv->lock);
 		reg = readl_relaxed(priv->base + TSSR(tssr_index));
-		reg &= ~(TIEN << TSSEL_SHIFT(tssr_offset));
+		if (enable)
+			reg |= TIEN << TSSEL_SHIFT(tssr_offset);
+		else
+			reg &= ~(TIEN << TSSEL_SHIFT(tssr_offset));
 		writel_relaxed(reg, priv->base + TSSR(tssr_index));
 		raw_spin_unlock(&priv->lock);
 	}
+}
+
+static void rzg2l_irqc_irq_disable(struct irq_data *d)
+{
+	rzg2l_tint_irq_endisable(d, false);
 	irq_chip_disable_parent(d);
 }
 
 static void rzg2l_irqc_irq_enable(struct irq_data *d)
 {
-	unsigned int hw_irq = irqd_to_hwirq(d);
-
-	if (hw_irq >= IRQC_TINT_START && hw_irq < IRQC_NUM_IRQ) {
-		struct rzg2l_irqc_priv *priv = irq_data_to_priv(d);
-		u32 offset = hw_irq - IRQC_TINT_START;
-		u32 tssr_offset = TSSR_OFFSET(offset);
-		u8 tssr_index = TSSR_INDEX(offset);
-		u32 reg;
-
-		raw_spin_lock(&priv->lock);
-		reg = readl_relaxed(priv->base + TSSR(tssr_index));
-		reg |= TIEN << TSSEL_SHIFT(tssr_offset);
-		writel_relaxed(reg, priv->base + TSSR(tssr_index));
-		raw_spin_unlock(&priv->lock);
-	}
+	rzg2l_tint_irq_endisable(d, true);
 	irq_chip_enable_parent(d);
 }