diff options
Diffstat (limited to 'drivers/dma/fsldma.c')
| -rw-r--r-- | drivers/dma/fsldma.c | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index 286c3ac6bdcc..e3854a8f0de0 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -1,7 +1,7 @@ /* * Freescale MPC85xx, MPC83xx DMA Engine support * - * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved. + * Copyright (C) 2007-2010 Freescale Semiconductor, Inc. All rights reserved. * * Author: * Zhang Wei <wei.zhang@freescale.com>, Jul 2007 @@ -50,9 +50,11 @@ static void dma_init(struct fsldma_chan *chan) * EIE - Error interrupt enable * EOSIE - End of segments interrupt enable (basic mode) * EOLNIE - End of links interrupt enable + * BWC - Bandwidth sharing among channels */ - DMA_OUT(chan, &chan->regs->mr, FSL_DMA_MR_EIE - | FSL_DMA_MR_EOLNIE | FSL_DMA_MR_EOSIE, 32); + DMA_OUT(chan, &chan->regs->mr, FSL_DMA_MR_BWC + | FSL_DMA_MR_EIE | FSL_DMA_MR_EOLNIE + | FSL_DMA_MR_EOSIE, 32); break; case FSL_DMA_IP_83XX: /* Set the channel to below modes: @@ -1279,8 +1281,7 @@ static void fsl_dma_chan_remove(struct fsldma_chan *chan) kfree(chan); } -static int __devinit fsldma_of_probe(struct platform_device *op, - const struct of_device_id *match) +static int __devinit fsldma_of_probe(struct platform_device *op) { struct fsldma_device *fdev; struct device_node *child; @@ -1322,6 +1323,8 @@ static int __devinit fsldma_of_probe(struct platform_device *op, fdev->common.device_control = fsl_dma_device_control; fdev->common.dev = &op->dev; + dma_set_mask(&(op->dev), DMA_BIT_MASK(36)); + dev_set_drvdata(&op->dev, fdev); /* @@ -1410,20 +1413,13 @@ static struct of_platform_driver fsldma_of_driver = { static __init int fsldma_init(void) { - int ret; - pr_info("Freescale Elo / Elo Plus DMA driver\n"); - - ret = of_register_platform_driver(&fsldma_of_driver); - if (ret) - pr_err("fsldma: failed to register platform driver\n"); - - return ret; + return platform_driver_register(&fsldma_of_driver); } static void __exit fsldma_exit(void) { - of_unregister_platform_driver(&fsldma_of_driver); + platform_driver_unregister(&fsldma_of_driver); } subsys_initcall(fsldma_init); |