linux-kernel - [PATCH 1/5] ARM: sa1100: add platform functions to handle PWER settings

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Message-Id: <1421316574-10022-1-git-send-email-dbaryshkov@gmail.com>
Date:	Thu, 15 Jan 2015 13:09:30 +0300
From:	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>
To:	Russell King <linux@....linux.org.uk>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>
Cc:	Linus Walleij <linus.walleij@...aro.org>,
	Andrea Adami <andrea.adami@...il.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/5] ARM: sa1100: add platform functions to handle PWER settings

PWER settings logically belongs neither to GPIO nor to system IRQ code.
Add special functions to handle PWER (for GPIO and for system IRQs)
from platform code.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@...il.com>
---
 arch/arm/mach-sa1100/generic.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm/mach-sa1100/generic.c b/arch/arm/mach-sa1100/generic.c
index 40e0d86..022e451 100644
--- a/arch/arm/mach-sa1100/generic.c
+++ b/arch/arm/mach-sa1100/generic.c
@@ -416,3 +416,24 @@ void sa1110_mb_enable(void)
 	local_irq_restore(flags);
 }
 
+int sa11x0_gpio_set_wake(unsigned int gpio, unsigned int on)
+{
+	if (on)
+		PWER |= BIT(gpio);
+	else
+		PWER &= ~BIT(gpio);
+
+	return 0;
+}
+
+int sa11x0_sc_set_wake(unsigned int irq, unsigned int on)
+{
+	if (BIT(irq) != IC_RTCAlrm)
+		return -EINVAL;
+
+	if (on)
+		PWER |= PWER_RTC;
+	else
+		PWER &= ~PWER_RTC;
+	return 0;
+}
-- 
2.1.4

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