diff options
Diffstat (limited to 'drivers/dma/txx9dmac.c')
| -rw-r--r-- | drivers/dma/txx9dmac.c | 8 |
1 files changed, 1 insertions, 7 deletions
diff --git a/drivers/dma/txx9dmac.c b/drivers/dma/txx9dmac.c index eb45af71d3a3..628bdf4430c7 100644 --- a/drivers/dma/txx9dmac.c +++ b/drivers/dma/txx9dmac.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Driver for the TXx9 SoC DMA Controller * * Copyright (C) 2009 Atsushi Nemoto - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #include <linux/dma-mapping.h> #include <linux/init.h> @@ -327,7 +324,6 @@ static void txx9dmac_reset_chan(struct txx9dmac_chan *dc) channel_writel(dc, SAIR, 0); channel_writel(dc, DAIR, 0); channel_writel(dc, CCR, 0); - mmiowb(); } /* Called with dc->lock held and bh disabled */ @@ -954,7 +950,6 @@ static void txx9dmac_chain_dynamic(struct txx9dmac_chan *dc, dma_sync_single_for_device(chan2parent(&dc->chan), prev->txd.phys, ddev->descsize, DMA_TO_DEVICE); - mmiowb(); if (!(channel_readl(dc, CSR) & TXX9_DMA_CSR_CHNEN) && channel_read_CHAR(dc) == prev->txd.phys) /* Restart chain DMA */ @@ -1080,7 +1075,6 @@ static void txx9dmac_free_chan_resources(struct dma_chan *chan) static void txx9dmac_off(struct txx9dmac_dev *ddev) { dma_writel(ddev, MCR, 0); - mmiowb(); } static int __init txx9dmac_chan_probe(struct platform_device *pdev) |