Hello. On 22-09-2013 15:57, Daniel Mack wrote:
This patch adds support for suspend/resume functionality to the cppi41 DMA driver. The steps neccessary to make the system resume properly were
Necessary.
figured out by hefty trial-and-error. The code as it stands now is the minimum that has to be done to put the musb host system on an AM33xx system into an operable state after resume.
Signed-off-by: Daniel Mack <zonque@xxxxxxxxx> --- drivers/dma/cppi41.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+)
diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c index 3347321..59dfa8e 100644 --- a/drivers/dma/cppi41.c +++ b/drivers/dma/cppi41.c @@ -1040,12 +1040,45 @@ static int cppi41_dma_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM_SLEEP
[...]
+static SIMPLE_DEV_PM_OPS(cppi41_pm_ops, cppi41_suspend, cppi41_resume); + +#define DEV_PM_OPS (&cppi41_pm_ops) +#else +#define DEV_PM_OPS NULL +#endif
You don't need that with SIMPLE_DEV_PM_OPS(), just get it out of #ifdef. WBR, Sergei -- 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
