dmaengine: imx-sdma: fix incorrect conversion to readl_relaxed_poll_timeout_atomic()
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Message ID E1hekLg-0002hJ-Jg@rmk-PC.armlinux.org.uk
State New
Headers show
Series
  • dmaengine: imx-sdma: fix incorrect conversion to readl_relaxed_poll_timeout_atomic()
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Commit Message

Russell King June 22, 2019, 6:02 p.m. UTC
When imx-sdma was converted to use readl_relaxed_poll_timeout_atomic(),
the termination condition was inverted.  Fix this.

Fixes: 1d069bfa3c78 ("dmaengine: imx-sdma: ack channel 0 IRQ in the interrupt handler")
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
---
 drivers/dma/imx-sdma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
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diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 5f3c1378b90e..ba84c0444f35 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -660,7 +660,7 @@  static int sdma_run_channel0(struct sdma_engine *sdma)
 	sdma_enable_channel(sdma, 0);
 
 	ret = readl_relaxed_poll_timeout_atomic(sdma->regs + SDMA_H_STATSTOP,
-						reg, !(reg & 1), 1, 500);
+						reg, reg & 1, 1, 500);
 	if (ret)
 		dev_err(sdma->dev, "Timeout waiting for CH0 ready\n");