[PATCH] pinctrl: mediatek: Implement pictrl irq wake handler
maoguang.meng at mediatek.com
maoguang.meng at mediatek.com
Wed Jul 29 02:36:40 PDT 2015
From: Maoguang Meng <maoguang.meng at mediatek.com>
This patch implement irq_set_wake for suspend resume.
Signed-off-by: Maoguang Meng <maoguang.meng at mediatek.com>
---
drivers/pinctrl/mediatek/pinctrl-mtk-common.c | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
index ad1ea16..a3d137e 100644
--- a/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
+++ b/drivers/pinctrl/mediatek/pinctrl-mtk-common.c
@@ -1,7 +1,9 @@
/*
* mt65xx pinctrl driver based on Allwinner A1X pinctrl driver.
* Copyright (c) 2014 MediaTek Inc.
- * Author: Hongzhou.Yang <hongzhou.yang at mediatek.com>
+ * Author:
+ * Hongzhou.Yang <hongzhou.yang at mediatek.com>
+ * Maoguang.Meng <maoguang.meng at mediatek.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
@@ -1062,6 +1064,16 @@ static int mtk_eint_set_type(struct irq_data *d,
return 0;
}
+static int mtk_eint_irq_set_wake(struct irq_data *d, unsigned int on)
+{
+ if (on)
+ d->chip->flags |= IRQF_NO_SUSPEND;
+ else
+ d->chip->flags &= ~IRQF_NO_SUSPEND;
+
+ return 0;
+}
+
static void mtk_eint_ack(struct irq_data *d)
{
struct mtk_pinctrl *pctl = irq_data_get_irq_chip_data(d);
@@ -1075,11 +1087,13 @@ static void mtk_eint_ack(struct irq_data *d)
}
static struct irq_chip mtk_pinctrl_irq_chip = {
- .name = "mt-eint",
+ .name = "mtk-eint",
+ .irq_disable = mtk_eint_mask,
.irq_mask = mtk_eint_mask,
.irq_unmask = mtk_eint_unmask,
.irq_ack = mtk_eint_ack,
.irq_set_type = mtk_eint_set_type,
+ .irq_set_wake = mtk_eint_irq_set_wake,
.irq_request_resources = mtk_pinctrl_irq_request_resources,
.irq_release_resources = mtk_pinctrl_irq_release_resources,
};
--
1.8.1.1.dirty
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