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spi: fsl-dspi: Use pinctrl PM helpers

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Add support for "sleep" state of pinctrl.

Signed-off-by: Mirza Krak <mirza.krak@hostmobility.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Mirza Krak 2015-06-12 18:55:22 +02:00 committed by Mark Brown
parent c042af95a2
commit 432a17d77a
1 changed files with 5 additions and 0 deletions
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5
drivers/spi/spi-fsl-dspi.c
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@ -24,6 +24,7 @@
#include <linux/module.h> #include <linux/module.h>
#include <linux/of.h> #include <linux/of.h>
#include <linux/of_device.h> #include <linux/of_device.h>
#include <linux/pinctrl/consumer.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/pm_runtime.h> #include <linux/pm_runtime.h>
#include <linux/regmap.h> #include <linux/regmap.h>
@ -613,6 +614,8 @@ static int dspi_suspend(struct device *dev)
spi_master_suspend(master); spi_master_suspend(master);
clk_disable_unprepare(dspi->clk); clk_disable_unprepare(dspi->clk);
pinctrl_pm_select_sleep_state(dev);
return 0; return 0;
} }
@ -621,6 +624,8 @@ static int dspi_resume(struct device *dev)
struct spi_master *master = dev_get_drvdata(dev); struct spi_master *master = dev_get_drvdata(dev);
struct fsl_dspi *dspi = spi_master_get_devdata(master); struct fsl_dspi *dspi = spi_master_get_devdata(master);
pinctrl_pm_select_default_state(dev);
clk_prepare_enable(dspi->clk); clk_prepare_enable(dspi->clk);
spi_master_resume(master); spi_master_resume(master);