Philip Avinash <avinashphilip@xxxxxx> writes:
> With GPMC converted to platform driver recently, adds low power
> transition support in driver itself.
>
> Signed-off-by: Philip Avinash <avinashphilip@xxxxxx>
> ---
> Changes since v1:
> Module disable & enable added using pm_runtime support.
>
> arch/arm/mach-omap2/gpmc.c | 20 ++++++++++++++++++++
> 1 file changed, 20 insertions(+)
>
> diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
> index b1cd6c1..cc57988 100644
> --- a/arch/arm/mach-omap2/gpmc.c
> +++ b/arch/arm/mach-omap2/gpmc.c
> @@ -1361,9 +1361,29 @@ static __devexit int gpmc_remove(struct platform_device *pdev)
> return 0;
> }
>
> +#ifdef CONFIG_PM
This should be CONFIG_PM_SLEEP for suspend/resume specific stuff.
> +static int gpmc_suspend(struct platform_device *pdev, pm_message_t state)
> +{
> + omap3_gpmc_save_context();
> + pm_runtime_put_sync(&pdev->dev);
> + return 0;
> +}
> +
> +static int gpmc_resume(struct platform_device *pdev)
> +{
> + pm_runtime_get_sync(&pdev->dev);
> + omap3_gpmc_restore_context();
> + return 0;
> +}
> +#endif
> +
> static struct platform_driver gpmc_driver = {
> .probe = gpmc_probe,
> .remove = __devexit_p(gpmc_remove),
> +#ifdef CONFIG_PM
> + .suspend = gpmc_suspend,
> + .resume = gpmc_resume,
> +#endif
These are the legacy PM operations, you need to use the ones in the
drivers struct dev_pm_ops.
> .driver = {
> .name = DEVICE_NAME,
> .owner = THIS_MODULE,
Kevin
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