diff options
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/imx-sdma.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 263001bf268a..e9af43c2b7c8 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1146,6 +1146,21 @@ static void sdma_issue_pending(struct dma_chan *chan) sdma_enable_channel(sdma, sdmac->channel); } +void sdma_set_event_pending(struct dma_chan *chan) +{ + struct sdma_channel *sdmac = to_sdma_chan(chan); + struct sdma_engine *sdma = sdmac->sdma; + u32 channel = sdmac->channel; + u32 reg; + + reg = readl_relaxed(sdma->regs + SDMA_H_EVTPEND); + reg |= 1 << channel; + writel_relaxed(reg, sdma->regs + SDMA_H_EVTPEND); + + return; +} +EXPORT_SYMBOL(sdma_set_event_pending); + #define SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1 37 static void sdma_add_scripts(struct sdma_engine *sdma, |