linux-kernel - [PATCH v2] ARM: SAMSUNG: S5P: If detected device tree skip irq init

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-next>] [day] [month] [year] [list]

Date:	Tue, 24 Sep 2013 17:59:23 +0200
From:	Mateusz Krawczuk <m.krawczuk@...tner.samsung.com>
To:	kgene.kim@...sung.com
Cc:	ben-linux@...ff.org, linux@....linux.org.uk,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	t.figa@...sung.com, s.nawrocki@...sung.com,
	m.szyprowski@...sung.com, b.zolnierkie@...sung.com,
	t.stanislaws@...sung.com,
	Mateusz Krawczuk <m.krawczuk@...tner.samsung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>
Subject: [PATCH v2] ARM: SAMSUNG: S5P: If detected device tree skip irq init

It prevents from executing things already handled by pinctrl-exynos driver,
when device tree is available.

Signed-off-by: Mateusz Krawczuk <m.krawczuk@...tner.samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
---
 arch/arm/plat-samsung/s5p-irq-eint.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/plat-samsung/s5p-irq-eint.c b/arch/arm/plat-samsung/s5p-irq-eint.c
index faa6516..ebee4dc 100644
--- a/arch/arm/plat-samsung/s5p-irq-eint.c
+++ b/arch/arm/plat-samsung/s5p-irq-eint.c
@@ -16,6 +16,7 @@
 #include <linux/device.h>
 #include <linux/gpio.h>
 #include <linux/irqchip/arm-vic.h>
+#include <linux/of.h>
 
 #include <plat/regs-irqtype.h>
 
@@ -202,6 +203,9 @@ static int __init s5p_init_irq_eint(void)
 {
 	int irq;
 
+	if (of_have_populated_dt())
+		return -ENODEV;
+
 	for (irq = IRQ_EINT(0); irq <= IRQ_EINT(15); irq++)
 		irq_set_chip(irq, &s5p_irq_vic_eint);
 
-- 
1.8.1.2

--
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/