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authorDavid S. Miller <davem@davemloft.net>2015-03-23 22:22:43 -0400
committerDavid S. Miller <davem@davemloft.net>2015-03-23 22:22:43 -0400
commitd5c1d8c567781932e3ab2c62e8fcfee0283d9580 (patch)
treec04fca1719409426b42af6a7caa75cc26ba940a9 /drivers/dma/imx-sdma.c
parentba7c95ea3870fe7b847466d39a049ab6f156aa2c (diff)
parent90a5a895cc8b284ac522757a01de15e36710c2b9 (diff)
downloadlinux-stable-d5c1d8c567781932e3ab2c62e8fcfee0283d9580.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: net/netfilter/nf_tables_core.c The nf_tables_core.c conflict was resolved using a conflict resolution from Stephen Rothwell as a guide. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/dma/imx-sdma.c')
-rw-r--r--drivers/dma/imx-sdma.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 18c0a131e4e4..66a0efb9651d 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -531,6 +531,10 @@ static int sdma_run_channel0(struct sdma_engine *sdma)
dev_err(sdma->dev, "Timeout waiting for CH0 ready\n");
}
+ /* Set bits of CONFIG register with dynamic context switching */
+ if (readl(sdma->regs + SDMA_H_CONFIG) == 0)
+ writel_relaxed(SDMA_H_CONFIG_CSM, sdma->regs + SDMA_H_CONFIG);
+
return ret ? 0 : -ETIMEDOUT;
}
@@ -1394,9 +1398,6 @@ static int sdma_init(struct sdma_engine *sdma)
writel_relaxed(ccb_phys, sdma->regs + SDMA_H_C0PTR);
- /* Set bits of CONFIG register with given context switching mode */
- writel_relaxed(SDMA_H_CONFIG_CSM, sdma->regs + SDMA_H_CONFIG);
-
/* Initializes channel's priorities */
sdma_set_channel_priority(&sdma->channel[0], 7);