diff options
Diffstat (limited to 'drivers/dma/mpc512x_dma.c')
| -rw-r--r-- | drivers/dma/mpc512x_dma.c | 29 |
1 files changed, 8 insertions, 21 deletions
diff --git a/drivers/dma/mpc512x_dma.c b/drivers/dma/mpc512x_dma.c index dde713461a95..bf131cb5db66 100644 --- a/drivers/dma/mpc512x_dma.c +++ b/drivers/dma/mpc512x_dma.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) Freescale Semicondutor, Inc. 2007, 2008. * Copyright (C) Semihalf 2009 @@ -11,19 +12,6 @@ * * Approved as OSADL project by a majority of OSADL members and funded * by OSADL membership fees in 2009; for details see www.osadl.org. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * The full GNU General Public License is included in this distribution in the - * file called COPYING. */ /* @@ -48,11 +36,11 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/slab.h> +#include <linux/of.h> #include <linux/of_address.h> -#include <linux/of_device.h> #include <linux/of_irq.h> #include <linux/of_dma.h> -#include <linux/of_platform.h> +#include <linux/platform_device.h> #include <linux/random.h> @@ -426,9 +414,9 @@ static void mpc_dma_process_completed(struct mpc_dma *mdma) } /* DMA Tasklet */ -static void mpc_dma_tasklet(unsigned long data) +static void mpc_dma_tasklet(struct tasklet_struct *t) { - struct mpc_dma *mdma = (void *)data; + struct mpc_dma *mdma = from_tasklet(mdma, t, tasklet); unsigned long flags; uint es; @@ -825,6 +813,7 @@ inline bool is_buswidth_valid(u8 buswidth, bool is_mpc8308) case 16: if (is_mpc8308) return false; + break; case 1: case 2: case 4: @@ -1021,7 +1010,7 @@ static int mpc_dma_probe(struct platform_device *op) list_add_tail(&mchan->chan.device_node, &dma->channels); } - tasklet_init(&mdma->tasklet, mpc_dma_tasklet, (unsigned long)mdma); + tasklet_setup(&mdma->tasklet, mpc_dma_tasklet); /* * Configure DMA Engine: @@ -1095,7 +1084,7 @@ err: return retval; } -static int mpc_dma_remove(struct platform_device *op) +static void mpc_dma_remove(struct platform_device *op) { struct device *dev = &op->dev; struct mpc_dma *mdma = dev_get_drvdata(dev); @@ -1110,8 +1099,6 @@ static int mpc_dma_remove(struct platform_device *op) free_irq(mdma->irq, mdma); irq_dispose_mapping(mdma->irq); tasklet_kill(&mdma->tasklet); - - return 0; } static const struct of_device_id mpc_dma_match[] = { |