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altera_tse: Clear SGDMA's RUN bit in async transfer, like in sync case

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Signed-off-by: Joachim Foerster <joachim.foerster@missinglinkelectronics.com>
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Joachim Foerster 2011-10-25 22:39:54 +00:00 committed by Wolfgang Denk
parent f75dd584cd
commit 337aff53f6
1 changed files with 6 additions and 0 deletions
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6
drivers/net/altera_tse.c
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@ -198,6 +198,12 @@ static int alt_sgdma_do_async_transfer(volatile struct alt_sgdma_registers *dev,
if (counter >= ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR) if (counter >= ALT_TSE_SGDMA_BUSY_WATCHDOG_CNTR)
debug("Timeout waiting sgdma in do async!\n"); debug("Timeout waiting sgdma in do async!\n");
/*
* Clear the RUN bit in the control register. This is needed
* to restart the SGDMA engine later on.
*/
dev->control = 0;
/* /*
* Clear any (previous) status register information * Clear any (previous) status register information
* that might occlude our error checking later. * that might occlude our error checking later.