linux-kernel - [PATCH] pinctrl: baytrail: Clear DIRECT

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Date:	Wed, 17 Sep 2014 14:30:35 +0200
From:	Loic Poulain <loic.poulain@...el.com>
To:	mathias.nyman@...ux.intel.com, heikki.krogerus@...ux.intel.com,
	mika.westerberg@...el.com, samuel.ortiz@...el.com
Cc:	linux-kernel@...r.kernel.org, Loic Poulain <loic.poulain@...el.com>
Subject: [PATCH] pinctrl: baytrail: Clear DIRECT_IRQ bit

Direct Irq En bit can be initialized to a bad value.
This bit has to be cleared for io access mode.

Signed-off-by: Loic Poulain <loic.poulain@...el.com>
---
 drivers/pinctrl/pinctrl-baytrail.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/pinctrl-baytrail.c b/drivers/pinctrl/pinctrl-baytrail.c
index 975572e..94902f7 100644
--- a/drivers/pinctrl/pinctrl-baytrail.c
+++ b/drivers/pinctrl/pinctrl-baytrail.c
@@ -44,6 +44,7 @@
 
 /* BYT_CONF0_REG register bits */
 #define BYT_IODEN		BIT(31)
+#define BYT_DIRECT_IRQ		BIT(27)
 #define BYT_TRIG_NEG		BIT(26)
 #define BYT_TRIG_POS		BIT(25)
 #define BYT_TRIG_LVL		BIT(24)
@@ -232,7 +233,7 @@ static int byt_irq_type(struct irq_data *d, unsigned type)
 	/* For level trigges the BYT_TRIG_POS and BYT_TRIG_NEG bits
 	 * are used to indicate high and low level triggering
 	 */
-	value &= ~(BYT_TRIG_POS | BYT_TRIG_NEG | BYT_TRIG_LVL);
+	value &= ~(BYT_DIRECT_IRQ | BYT_TRIG_POS | BYT_TRIG_NEG | BYT_TRIG_LVL);
 
 	switch (type) {
 	case IRQ_TYPE_LEVEL_HIGH:
-- 
1.8.3.2

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