linux-kernel - [PATCH 1/3] gpio: zynq: Mask non-wakeup GPIO interrupts on suspend

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]

Date:	Fri, 29 Aug 2014 10:58:45 -0700
From:	Soren Brinkmann <soren.brinkmann@...inx.com>
To:	Alexandre Courbot <gnurou@...il.com>,
	Linus Walleij <linus.walleij@...aro.org>
Cc:	Sören Brinkmann <soren.brinkmann@...inx.com>,
	Michal Simek <michal.simek@...inx.com>,
	Harini Katakam <harinik@...inx.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-gpio@...r.kernel.org, Lars-Peter Clausen <lars@...afoo.de>,
	Ezra Savard <ezras@...inx.com>,
	Ezra Savard <ezra.savard@...inx.com>
Subject: [PATCH 1/3] gpio: zynq: Mask non-wakeup GPIO interrupts on suspend

From: Ezra Savard <ezra.savard@...inx.com>

Added flag to the GPIO chip so that IRQ from non-wakeup GPIO will
not wake the system.

Signed-off-by: Ezra Savard <ezra.savard@...inx.com>
Reviewed-by: Soren Brinkmann <soren.brinkmann@...inx.com>
---
 drivers/gpio/gpio-zynq.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c
index dccadea9d830..d80d722529ad 100644
--- a/drivers/gpio/gpio-zynq.c
+++ b/drivers/gpio/gpio-zynq.c
@@ -451,7 +451,8 @@ static struct irq_chip zynq_gpio_level_irqchip = {
 	.irq_unmask	= zynq_gpio_irq_unmask,
 	.irq_set_type	= zynq_gpio_set_irq_type,
 	.irq_set_wake	= zynq_gpio_set_wake,
-	.flags		= IRQCHIP_EOI_THREADED | IRQCHIP_EOI_IF_HANDLED,
+	.flags		= IRQCHIP_EOI_THREADED | IRQCHIP_EOI_IF_HANDLED |
+			  IRQCHIP_MASK_ON_SUSPEND,
 };
 
 static struct irq_chip zynq_gpio_edge_irqchip = {
@@ -462,6 +463,7 @@ static struct irq_chip zynq_gpio_edge_irqchip = {
 	.irq_unmask	= zynq_gpio_irq_unmask,
 	.irq_set_type	= zynq_gpio_set_irq_type,
 	.irq_set_wake	= zynq_gpio_set_wake,
+	.flags		= IRQCHIP_MASK_ON_SUSPEND,
 };
 
 static void zynq_gpio_handle_bank_irq(struct zynq_gpio *gpio,
-- 
2.1.0.1.g27b9230

--
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/