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Date:   Sun, 01 Nov 2020 17:00:08 -0000
From:   "tip-bot2 for Geert Uytterhoeven" <tip-bot2@linutronix.de>
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Subject: [tip: irq/urgent] irqchip/renesas-intc-irqpin: Merge irlm_bit and needs_irlm
Cc:     Geert Uytterhoeven <geert+renesas@glider.be>,
        Marc Zyngier <maz@kernel.org>, x86 <x86@kernel.org>,
        LKML <linux-kernel@vger.kernel.org>
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The following commit has been merged into the irq/urgent branch of tip:

Commit-ID:     b388bdf2bac7aedac9bde5ab63eaf7646f29fc00
Gitweb:        https://git.kernel.org/tip/b388bdf2bac7aedac9bde5ab63eaf7646f29fc00
Author:        Geert Uytterhoeven <geert+renesas@glider.be>
AuthorDate:    Wed, 28 Oct 2020 16:39:55 +01:00
Committer:     Marc Zyngier <maz@kernel.org>
CommitterDate: Sun, 01 Nov 2020 11:59:22 

irqchip/renesas-intc-irqpin: Merge irlm_bit and needs_irlm

Get rid of the separate flag to indicate if the IRLM bit is present in
the INTC/Interrupt Control Register 0, by considering -1 an invalid
irlm_bit value.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20201028153955.1736767-1-geert+renesas@glider.be
---
 drivers/irqchip/irq-renesas-intc-irqpin.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c
index 3819185..cb7f60b 100644
--- a/drivers/irqchip/irq-renesas-intc-irqpin.c
+++ b/drivers/irqchip/irq-renesas-intc-irqpin.c
@@ -71,8 +71,7 @@ struct intc_irqpin_priv {
 };
 
 struct intc_irqpin_config {
-	unsigned int irlm_bit;
-	unsigned needs_irlm:1;
+	int irlm_bit;		/* -1 if non-existent */
 };
 
 static unsigned long intc_irqpin_read32(void __iomem *iomem)
@@ -349,11 +348,10 @@ static const struct irq_domain_ops intc_irqpin_irq_domain_ops = {
 
 static const struct intc_irqpin_config intc_irqpin_irlm_r8a777x = {
 	.irlm_bit = 23, /* ICR0.IRLM0 */
-	.needs_irlm = 1,
 };
 
 static const struct intc_irqpin_config intc_irqpin_rmobile = {
-	.needs_irlm = 0,
+	.irlm_bit = -1,
 };
 
 static const struct of_device_id intc_irqpin_dt_ids[] = {
@@ -470,7 +468,7 @@ static int intc_irqpin_probe(struct platform_device *pdev)
 	}
 
 	/* configure "individual IRQ mode" where needed */
-	if (config && config->needs_irlm) {
+	if (config && config->irlm_bit >= 0) {
 		if (io[INTC_IRQPIN_REG_IRLM])
 			intc_irqpin_read_modify_write(p, INTC_IRQPIN_REG_IRLM,
 						      config->irlm_bit, 1, 1);