From: Huibin Hong <huibin.hong@rock-chips.com>
Date: Wed, 24 Aug 2016 09:10:57 +0000 (+0800)
Subject: spi: rockchip: set pinctrl state when suspend and resume
X-Git-Tag: firefly_0821_release~1663
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3510d70d3e1fcbf00afccf96c4351609bf4075bc;p=firefly-linux-kernel-4.4.55.git

spi: rockchip: set pinctrl state when suspend and resume

Change-Id: I3bfd641513dc8ad0112cb718383eb458c7659a84
Signed-off-by: Huibin Hong <huibin.hong@rock-chips.com>
---

diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c
index 9e86ec35c450..42c8fcd82758 100644
--- a/drivers/spi/spi-rockchip.c
+++ b/drivers/spi/spi-rockchip.c
@@ -813,6 +813,8 @@ static int rockchip_spi_suspend(struct device *dev)
 		clk_disable_unprepare(rs->apb_pclk);
 	}
 
+	pinctrl_pm_select_sleep_state(dev);
+
 	return ret;
 }
 
@@ -822,6 +824,8 @@ static int rockchip_spi_resume(struct device *dev)
 	struct spi_master *master = dev_get_drvdata(dev);
 	struct rockchip_spi *rs = spi_master_get_devdata(master);
 
+	pinctrl_pm_select_default_state(dev);
+
 	if (!pm_runtime_suspended(dev)) {
 		ret = clk_prepare_enable(rs->apb_pclk);
 		if (ret < 0)