Commit 
5a686b2c9ed4 ("spi: omap2-mcspi: Idle hardware during suspend
and resume") added calls for pm_runtime_force_suspend() and
pm_runtime_force_resume() to make sure spi is idled between
device_prepare() and device_complete().
But testing Linux next, I now noticed that we will get the following:
spi_master spi0: Failed to power device: -13
Looking at things more turns out we can just remove this non-standard
code. I was probably testing with some extra experimental patches
earlier when I thought we need pm_runtime_force_suspend() and
pm_runtime_force_resume().
Fixes: 5a686b2c9ed4 ("spi: omap2-mcspi: Idle hardware during suspend
and resume")
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
 
 #ifdef CONFIG_SUSPEND
 static int omap2_mcspi_suspend_noirq(struct device *dev)
 {
-       int error;
-
-       /*
-        * Make sure device gets idled if other drivers call SPI
-        * functions between device_prepare() and device_complete()
-        */
-       error = pm_runtime_force_suspend(dev);
-       if (error < 0) {
-               dev_err(dev, "%s: force suspend failed: %i\n",
-                       __func__, error);
-
-               return error;
-       }
-
        return pinctrl_pm_select_sleep_state(dev);
 }
 
                dev_warn(mcspi->dev, "%s: failed to set pins: %i\n",
                         __func__, error);
 
-       error = pm_runtime_force_resume(mcspi->dev);
-       if (error < 0) {
-               dev_warn(mcspi->dev, "%s: force resume failed: %i\n",
-                        __func__, error);
-
-               return error;
-       }
-
        return 0;
 }