linux-kernel - [PATCH 5/8] irqchip/ixp4xx: Register the base PA instead of its VA in fwnode

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Message-Id: <20190806145716.125421-6-maz@kernel.org>
Date:   Tue,  6 Aug 2019 15:57:13 +0100
From:   Marc Zyngier <maz@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Linus Walleij <linusw@...nel.org>, Imre Kaloz <kaloz@...nwrt.org>,
        Krzysztof Halasa <khalasa@...p.pl>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Sasha Levin <sashal@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 5/8] irqchip/ixp4xx: Register the base PA instead of its VA in fwnode

Do not expose the base VA (it appears in debugfs). Instead,
record the PA, which at least can be used to precisely identify
the associated irqchip and domain.

Signed-off-by: Marc Zyngier <maz@...nel.org>
---
 drivers/irqchip/irq-ixp4xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-ixp4xx.c b/drivers/irqchip/irq-ixp4xx.c
index 6751c35b7e1d..37e0749215c7 100644
--- a/drivers/irqchip/irq-ixp4xx.c
+++ b/drivers/irqchip/irq-ixp4xx.c
@@ -319,7 +319,7 @@ void __init ixp4xx_irq_init(resource_size_t irqbase,
 		pr_crit("IXP4XX: could not ioremap interrupt controller\n");
 		return;
 	}
-	fwnode = irq_domain_alloc_fwnode(base);
+	fwnode = irq_domain_alloc_fwnode(&irqbase);
 	if (!fwnode) {
 		pr_crit("IXP4XX: no domain handle\n");
 		return;
-- 
2.20.1