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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>
This commit is contained in:
Roman Fietze 2010-03-26 22:09:57 -06:00 committed by Grant Likely
parent 95d2c8ef08
commit ed01f64b83
1 changed files with 2 additions and 0 deletions
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2
arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
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@ -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,