* Shubhrajyoti D <a0393217@xxxxxxxxxxxx> [2010-12-15 09:39:58 +0530]: > From: Abraham Arce <x0066660@xxxxxx> > > Enable Runtime PM functionality in OMAP4 driver based on the following assumptions > > A minimal pm runtime get/put approach is implemented in probe/remove calls > respectively. > > - Keyboard controller in wakeup domain so it is always on and > power impact may be minimal > - In OMAP4 the device control is at module/device level and ick/fclk level control is > difficult so cutting of clocks will prevent interrupts. > > Signed-off-by: Abraham Arce <x0066660@xxxxxx> > Cc: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx> This patch is sent thrice (once with a different subject) but the version numbers are the same. It is not clear what is the intention of this patch without hwmod database update. Am I missing any more patch here? > --- > Updating the changelogs as per Kevin's suggestion > drivers/input/keyboard/omap4-keypad.c | 10 +++++++++- > 1 files changed, 9 insertions(+), 1 deletions(-) > > diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c > index 45bd097..3d35774 100644 > --- a/drivers/input/keyboard/omap4-keypad.c > +++ b/drivers/input/keyboard/omap4-keypad.c > @@ -29,6 +29,7 @@ > #include <linux/io.h> > #include <linux/input.h> > #include <linux/slab.h> > +#include <linux/pm_runtime.h> > > #include <plat/omap4-keypad.h> > > @@ -239,8 +240,11 @@ static int __devinit omap4_keypad_probe(struct platform_device *pdev) > matrix_keypad_build_keymap(pdata->keymap_data, row_shift, > input_dev->keycode, input_dev->keybit); > > - omap4_keypad_config(keypad_data); > + pm_runtime_enable(&pdev->dev); > + pm_runtime_get_sync(&pdev->dev); > > + omap4_keypad_config(keypad_data); > + > error = request_irq(keypad_data->irq, omap4_keypad_interrupt, > IRQF_TRIGGER_RISING, > "omap4-keypad", keypad_data); > @@ -278,6 +282,10 @@ static int __devexit omap4_keypad_remove(struct platform_device *pdev) > struct resource *res; > > free_irq(keypad_data->irq, keypad_data); > + > + pm_runtime_put_sync(&pdev->dev); > + pm_runtime_disable(&pdev->dev); > + > input_unregister_device(keypad_data->input); > > iounmap(keypad_data->base); > -- > 1.7.0.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-omap" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
