linux-kernel - [tip: irq/core] gpio/ixp4xx: Register the base PA instead of its VA in fwnode

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Message-ID: <156776809772.24167.8650737097914479700.tip-bot2@tip-bot2>
Date:   Fri, 06 Sep 2019 11:08:17 -0000
From:   "tip-bot2 for Marc Zyngier" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>, Ingo Molnar <mingo@...nel.org>,
        Borislav Petkov <bp@...en8.de>, linux-kernel@...r.kernel.org
Subject: [tip: irq/core] gpio/ixp4xx: Register the base PA instead of its VA in fwnode

The following commit has been merged into the irq/core branch of tip:

Commit-ID:     daa19fe5b082779962988a5ba9e38509004db3de
Gitweb:        https://git.kernel.org/tip/daa19fe5b082779962988a5ba9e38509004db3de
Author:        Marc Zyngier <maz@...nel.org>
AuthorDate:    Wed, 31 Jul 2019 16:13:42 +01:00
Committer:     Marc Zyngier <maz@...nel.org>
CommitterDate: Wed, 07 Aug 2019 14:24:45 +01:00

gpio/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.

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
Acked-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Marc Zyngier <maz@...nel.org>
---
 drivers/gpio/gpio-ixp4xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-ixp4xx.c b/drivers/gpio/gpio-ixp4xx.c
index 670c2a8..cc72c9a 100644
--- a/drivers/gpio/gpio-ixp4xx.c
+++ b/drivers/gpio/gpio-ixp4xx.c
@@ -400,7 +400,7 @@ static int ixp4xx_gpio_probe(struct platform_device *pdev)
 		g->fwnode = of_node_to_fwnode(np);
 	} else {
 		parent = ixp4xx_get_irq_domain();
-		g->fwnode = irq_domain_alloc_fwnode(g->base);
+		g->fwnode = irq_domain_alloc_fwnode(&res->start);
 		if (!g->fwnode) {
 			dev_err(dev, "no domain base\n");
 			return -ENODEV;