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| author | Pascal Huerst <pascal.huerst@gmail.com> | 2015-05-06 15:07:04 +0200 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2015-05-12 17:46:26 +0200 |
| commit | 096ea30c91b521c77964ee8c214f7ce3b9d08e7b (patch) | |
| tree | b11971048af504cfbdb22accc9f87a559dfcbd5f /drivers/i2c | |
| parent | 7e5cd69a9152c70985ebf820e357da59dfa8f152 (diff) | |
| download | linux-stable-096ea30c91b521c77964ee8c214f7ce3b9d08e7b.tar.gz linux-stable-096ea30c91b521c77964ee8c214f7ce3b9d08e7b.tar.bz2 linux-stable-096ea30c91b521c77964ee8c214f7ce3b9d08e7b.zip | |
i2c: omap: Add calls for pinctrl state select
This adds calls to pinctrl subsystem in order to switch pin states
on suspend/resume if you provide a "sleep" state in DT.
If no "sleep" state is provided in the DT, these calls turn
to NOPs, so we don't need error checking here.
Signed-off-by: Pascal Huerst <pascal.huerst@gmail.com>
Reviewed-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-omap.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 0e894193accf..826194182118 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -38,6 +38,7 @@ #include <linux/slab.h> #include <linux/i2c-omap.h> #include <linux/pm_runtime.h> +#include <linux/pinctrl/consumer.h> /* I2C controller revisions */ #define OMAP_I2C_OMAP1_REV_2 0x20 @@ -1423,6 +1424,8 @@ static int omap_i2c_runtime_suspend(struct device *dev) omap_i2c_read_reg(_dev, OMAP_I2C_STAT_REG); } + pinctrl_pm_select_sleep_state(dev); + return 0; } @@ -1431,6 +1434,8 @@ static int omap_i2c_runtime_resume(struct device *dev) struct platform_device *pdev = to_platform_device(dev); struct omap_i2c_dev *_dev = platform_get_drvdata(pdev); + pinctrl_pm_select_default_state(dev); + if (!_dev->regs) return 0; |