linux-kernel - [PATCH 1/4] pinctrl: sunxi: Use common functions to change irq

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1437396074-15791-2-git-send-email-maxime.ripard@free-electrons.com>
Date:	Mon, 20 Jul 2015 14:41:11 +0200
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	Hans de Goede <hdegoede@...hat.com>, Chen-Yu Tsai <wens@...e.org>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-gpio@...r.kernel.org,
	Maxime Ripard <maxime.ripard@...e-electrons.com>
Subject: [PATCH 1/4] pinctrl: sunxi: Use common functions to change irq_chip and handler

The current code uses some custom variable affectations, while we have
common functions to do exactly that. Move to the common functions.

Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
---
 drivers/pinctrl/sunxi/pinctrl-sunxi.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
index f09573e13203..777669d0a955 100644
--- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c
+++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
@@ -588,7 +588,6 @@ static void sunxi_pinctrl_irq_release_resources(struct irq_data *d)
 static int sunxi_pinctrl_irq_set_type(struct irq_data *d, unsigned int type)
 {
 	struct sunxi_pinctrl *pctl = irq_data_get_irq_chip_data(d);
-	struct irq_desc *desc = container_of(d, struct irq_desc, irq_data);
 	u32 reg = sunxi_irq_cfg_reg(d->hwirq);
 	u8 index = sunxi_irq_cfg_offset(d->hwirq);
 	unsigned long flags;
@@ -615,16 +614,17 @@ static int sunxi_pinctrl_irq_set_type(struct irq_data *d, unsigned int type)
 		return -EINVAL;
 	}
 
-	if (type & IRQ_TYPE_LEVEL_MASK) {
-		d->chip = &sunxi_pinctrl_level_irq_chip;
-		desc->handle_irq = handle_fasteoi_irq;
-	} else {
-		d->chip = &sunxi_pinctrl_edge_irq_chip;
-		desc->handle_irq = handle_edge_irq;
-	}
-
 	spin_lock_irqsave(&pctl->lock, flags);
 
+	if (type & IRQ_TYPE_LEVEL_MASK)
+		__irq_set_chip_handler_name_locked(d->irq,
+						   &sunxi_pinctrl_level_irq_chip,
+						   handle_fasteoi_irq, NULL);
+	else
+		__irq_set_chip_handler_name_locked(d->irq,
+						   &sunxi_pinctrl_edge_irq_chip,
+						   handle_edge_irq, NULL);
+
 	regval = readl(pctl->membase + reg);
 	regval &= ~(IRQ_CFG_IRQ_MASK << index);
 	writel(regval | (mode << index), pctl->membase + reg);
-- 
2.4.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/