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spi/sh-msiof: Remove unneeded empty runtime PM callbacks 

Previously the runtime PM API insisted on having callbacks for everything
but this requirement was removed a while ago so the empty callbacks can
also be removed.

Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Mark Brown 2013-07-28 15:36:38 +01:00
parent 3b2f64d00c
commit 33bf2c0b7d
1 changed files with 0 additions and 18 deletions
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18
drivers/spi/spi-sh-msiof.c
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@ -745,18 +745,6 @@ static int sh_msiof_spi_remove(struct platform_device *pdev)
return ret;
}
static int sh_msiof_spi_runtime_nop(struct device *dev)
{
/* Runtime PM callback shared between ->runtime_suspend()
* and ->runtime_resume(). Simply returns success.
*
* This driver re-initializes all registers after
* pm_runtime_get_sync() anyway so there is no need
* to save and restore registers here.
*/
return 0;
}
#ifdef CONFIG_OF
static const struct of_device_id sh_msiof_match[] = {
{ .compatible = "renesas,sh-msiof", },
@ -766,18 +754,12 @@ static const struct of_device_id sh_msiof_match[] = {
MODULE_DEVICE_TABLE(of, sh_msiof_match);
#endif
static struct dev_pm_ops sh_msiof_spi_dev_pm_ops = {
.runtime_suspend = sh_msiof_spi_runtime_nop,
.runtime_resume = sh_msiof_spi_runtime_nop,
};
static struct platform_driver sh_msiof_spi_drv = {
.probe = sh_msiof_spi_probe,
.remove = sh_msiof_spi_remove,
.driver = {
.name = "spi_sh_msiof",
.owner = THIS_MODULE,
.pm = &sh_msiof_spi_dev_pm_ops,
.of_match_table = of_match_ptr(sh_msiof_match),
},
};