diff options
| author |   Pascal Huerst <pascal.huerst@gmail.com> | 2015-11-19 16:18:28 +0100 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2015-11-19 17:48:52 +0000 |
| commit | beca365565d8f8912dce67567f54ad4c71734843 (patch) | |
| tree | 35c602172af9af5ae80cbef37d6e6f9a347b7efb /drivers/spi/spi-omap2-mcspi.c | |
| parent | Linux 4.4-rc1 (diff) | |
| download | linux-dev-beca365565d8f8912dce67567f54ad4c71734843.tar.xz linux-dev-beca365565d8f8912dce67567f54ad4c71734843.zip | |
spi: omap2-mcspi: 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 DT, these calls turn
to NOPs.
Signed-off-by: Pascal Huerst <pascal.huerst@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-omap2-mcspi.c')
| -rw-r--r-- | drivers/spi/spi-omap2-mcspi.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c index 1f8903d356e5..02aa1d0607b3 100644 --- a/drivers/spi/spi-omap2-mcspi.c +++ b/drivers/spi/spi-omap2-mcspi.c @@ -24,6 +24,7 @@ #include <linux/dma-mapping.h> #include <linux/dmaengine.h> #include <linux/omap-dma.h> +#include <linux/pinctrl/consumer.h> #include <linux/platform_device.h> #include <linux/err.h> #include <linux/clk.h> @@ -1536,14 +1537,23 @@ static int omap2_mcspi_resume(struct device *dev) } pm_runtime_mark_last_busy(mcspi->dev); pm_runtime_put_autosuspend(mcspi->dev); - return 0; + + return pinctrl_pm_select_default_state(dev); +} + +static int omap2_mcspi_suspend(struct device *dev) +{ + return pinctrl_pm_select_sleep_state(dev); } + #else +#define omap2_mcspi_suspend NULL #define omap2_mcspi_resume NULL #endif static const struct dev_pm_ops omap2_mcspi_pm_ops = { .resume = omap2_mcspi_resume, + .suspend = omap2_mcspi_suspend, .runtime_resume = omap_mcspi_runtime_resume, }; |