Commit 33332224 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 

Pull slave dmaengine fixes from Vinod Koul:
 "Here are the fixes in dmaengine subsystem for rc2:

   - privatecnt fix for slave dma request API by Christopher

   - warn fix for PM ifdef in usb-dmac by Geert

   - fix hardware dependency for xgene by Jean"

* 'next' of git://git.infradead.org/users/vkoul/slave-dma:
  dmaengine: increment privatecnt when using dma_get_any_slave_channel
  dmaengine: xgene: Set hardware dependency
  dmaengine: usb-dmac: Protect PM-only functions to kill warning
parents 180d89f6 63f89caa

drivers/dma/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -437,6 +437,7 @@ config IMG_MDC_DMA 


config XGENE_DMA

	tristate "APM X-Gene DMA support"

	depends on ARCH_XGENE || COMPILE_TEST

	select DMA_ENGINE

	select DMA_ENGINE_RAID

	select ASYNC_TX_ENABLE_CHANNEL_SWITCH

drivers/dma/dmaengine.c

+4 −0
Original line number Diff line number Diff line
@@ -571,11 +571,15 @@ struct dma_chan *dma_get_any_slave_channel(struct dma_device *device) 


	chan = private_candidate(&mask, device, NULL, NULL);

	if (chan) {

		dma_cap_set(DMA_PRIVATE, device->cap_mask);

		device->privatecnt++;

		err = dma_chan_get(chan);

		if (err) {

			pr_debug("%s: failed to get %s: (%d)\n",

				__func__, dma_chan_name(chan), err);

			chan = NULL;

			if (--device->privatecnt == 0)

				dma_cap_clear(DMA_PRIVATE, device->cap_mask);

		}

	}

drivers/dma/sh/usb-dmac.c

+2 −0
Original line number Diff line number Diff line
@@ -673,6 +673,7 @@ static struct dma_chan *usb_dmac_of_xlate(struct of_phandle_args *dma_spec, 
 * Power management

 */



#ifdef CONFIG_PM

static int usb_dmac_runtime_suspend(struct device *dev)

{

	struct usb_dmac *dmac = dev_get_drvdata(dev);
@@ -690,6 +691,7 @@ static int usb_dmac_runtime_resume(struct device *dev) 


	return usb_dmac_init(dmac);

}

#endif /* CONFIG_PM */



static const struct dev_pm_ops usb_dmac_pm = {

	SET_RUNTIME_PM_OPS(usb_dmac_runtime_suspend, usb_dmac_runtime_resume,

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