Hi, This is second request for comments for adding runtime PM to the pl330 driver. The runtime PM of pl330 driver requires interrupt safe suspend/resume callbacks which is in conflict with amba bus driver. The latter also unprepares and prepares the AMBA bus clock which is not safe for atomic context. The patchset solves this in patch 1/2. Any comments are welcome. TODO: ===== - Document somewhere the suspend/resume callbacks behavior between amba bus driver and device driver. Changes since v1: ================= 1. Add patch 1 (amba: Allow AMBA drivers to use their own runtime PM). 2. Patch 2/2: Apply Michal Simek's suggestions. 3. Patch 2/2: Fix atomic context safeness in pl330_issue_pending(). Best regards, Krzysztof Kozlowski Krzysztof Kozlowski (2): amba: Allow AMBA drivers to use their own runtime PM dma: pl330: add Power Management support drivers/amba/bus.c | 15 +++++++++++- drivers/dma/pl330.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++++---- 2 files changed, 79 insertions(+), 5 deletions(-) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
