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authorRoman Fietze <roman.fietze@telemotive.de>2010-03-27 05:09:57 +0100
committerGrant Likely <grant.likely@secretlab.ca>2010-03-27 05:09:57 +0100
commited01f64b831481762437c8eedddcca8481dc7f67 (patch)
tree1e73745903ec534174704f518eb604dabe9adaeb
parentpowerpc/fsl: add device tree binding for QE firmware (diff)
downloadlinux-ed01f64b831481762437c8eedddcca8481dc7f67.tar.xz
linux-ed01f64b831481762437c8eedddcca8481dc7f67.zip
powerpc/5200: in lpbfifo, flag DMA irqs as enabled after requesting them
This patch avoids unbalanced enable/disable messages for the DMA interrupts when running the 5200 platform SCLPC/BestComm driver in DMA mode. Signed-off-by: Roman Fietze <roman.fietze@telemotive.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
-rw-r--r--arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
index 929d017535a3..d4f8be307cd5 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
@@ -481,6 +481,8 @@ mpc52xx_lpbfifo_probe(struct of_device *op, const struct of_device_id *match)
if (rc)
goto err_bcom_rx_irq;
+ lpbfifo.dma_irqs_enabled = 1;
+
/* Request the Bestcomm transmit (memory --> fifo) task and IRQ */
lpbfifo.bcom_tx_task =
bcom_gen_bd_tx_init(2, res.start + LPBFIFO_REG_FIFO_DATA,