[PATCH] mpc52xx_lpbfifo: flag DMA irqs as enabled after requesting them

[Roman Fietze]

Hello,

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 at telemotive.de>
---
 arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c |    2 ++
 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 929d017..d4f8be3 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,
-- 
1.7.0.1


Roman

-- 
Roman Fietze                Telemotive AG Büro Mühlhausen
Breitwiesen                              73347 Mühlhausen
Tel.: +49(0)7335/18493-45        http://www.telemotive.de