diff options
Diffstat (limited to 'drivers/dma')
-rw-r--r-- | drivers/dma/at_hdmac.c | 9 | ||||
-rw-r--r-- | drivers/dma/at_xdmac.c | 9 | ||||
-rw-r--r-- | drivers/dma/dma-axi-dmac.c | 2 | ||||
-rw-r--r-- | drivers/dma/dmatest.c | 16 | ||||
-rw-r--r-- | drivers/dma/dw/platform.c | 6 | ||||
-rw-r--r-- | drivers/dma/fsldma.c | 6 | ||||
-rw-r--r-- | drivers/dma/idma64.c | 6 | ||||
-rw-r--r-- | drivers/dma/imx-dma.c | 26 | ||||
-rw-r--r-- | drivers/dma/imx-sdma.c | 29 | ||||
-rw-r--r-- | drivers/dma/mxs-dma.c | 14 | ||||
-rw-r--r-- | drivers/dma/qcom/bam_dma.c | 10 |
11 files changed, 58 insertions, 75 deletions
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index a861b5b4d443..75f38d19fcbe 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -2041,8 +2041,7 @@ static void at_dma_shutdown(struct platform_device *pdev) static int at_dma_prepare(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct at_dma *atdma = platform_get_drvdata(pdev); + struct at_dma *atdma = dev_get_drvdata(dev); struct dma_chan *chan, *_chan; list_for_each_entry_safe(chan, _chan, &atdma->dma_common.channels, @@ -2076,8 +2075,7 @@ static void atc_suspend_cyclic(struct at_dma_chan *atchan) static int at_dma_suspend_noirq(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct at_dma *atdma = platform_get_drvdata(pdev); + struct at_dma *atdma = dev_get_drvdata(dev); struct dma_chan *chan, *_chan; /* preserve data */ @@ -2118,8 +2116,7 @@ static void atc_resume_cyclic(struct at_dma_chan *atchan) static int at_dma_resume_noirq(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct at_dma *atdma = platform_get_drvdata(pdev); + struct at_dma *atdma = dev_get_drvdata(dev); struct dma_chan *chan, *_chan; /* bring back DMA controller */ diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index 94236ec9d410..4bf72561667c 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -1833,8 +1833,7 @@ static void at_xdmac_free_chan_resources(struct dma_chan *chan) #ifdef CONFIG_PM static int atmel_xdmac_prepare(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct at_xdmac *atxdmac = platform_get_drvdata(pdev); + struct at_xdmac *atxdmac = dev_get_drvdata(dev); struct dma_chan *chan, *_chan; list_for_each_entry_safe(chan, _chan, &atxdmac->dma.channels, device_node) { @@ -1853,8 +1852,7 @@ static int atmel_xdmac_prepare(struct device *dev) #ifdef CONFIG_PM_SLEEP static int atmel_xdmac_suspend(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct at_xdmac *atxdmac = platform_get_drvdata(pdev); + struct at_xdmac *atxdmac = dev_get_drvdata(dev); struct dma_chan *chan, *_chan; list_for_each_entry_safe(chan, _chan, &atxdmac->dma.channels, device_node) { @@ -1878,8 +1876,7 @@ static int atmel_xdmac_suspend(struct device *dev) static int atmel_xdmac_resume(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct at_xdmac *atxdmac = platform_get_drvdata(pdev); + struct at_xdmac *atxdmac = dev_get_drvdata(dev); struct at_xdmac_chan *atchan; struct dma_chan *chan, *_chan; int i; diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c index 2419fe524daa..15b2453d2647 100644 --- a/drivers/dma/dma-axi-dmac.c +++ b/drivers/dma/dma-axi-dmac.c @@ -687,7 +687,7 @@ static int axi_dmac_probe(struct platform_device *pdev) if (ret) goto err_unregister_device; - ret = request_irq(dmac->irq, axi_dmac_interrupt_handler, 0, + ret = request_irq(dmac->irq, axi_dmac_interrupt_handler, IRQF_SHARED, dev_name(&pdev->dev), dmac); if (ret) goto err_unregister_of; diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index b9339524d5bd..aa1712beb0cc 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -468,6 +468,8 @@ static int dmatest_func(void *data) unsigned long long total_len = 0; u8 align = 0; bool is_memset = false; + dma_addr_t *srcs; + dma_addr_t *dma_pq; set_freezable(); @@ -551,6 +553,14 @@ static int dmatest_func(void *data) set_user_nice(current, 10); + srcs = kcalloc(src_cnt, sizeof(dma_addr_t), GFP_KERNEL); + if (!srcs) + goto err_dstbuf; + + dma_pq = kcalloc(dst_cnt, sizeof(dma_addr_t), GFP_KERNEL); + if (!dma_pq) + goto err_srcs_array; + /* * src and dst buffers are freed by ourselves below */ @@ -561,7 +571,6 @@ static int dmatest_func(void *data) && !(params->iterations && total_tests >= params->iterations)) { struct dma_async_tx_descriptor *tx = NULL; struct dmaengine_unmap_data *um; - dma_addr_t srcs[src_cnt]; dma_addr_t *dsts; unsigned int src_off, dst_off, len; @@ -676,8 +685,6 @@ static int dmatest_func(void *data) srcs, src_cnt, len, flags); else if (thread->type == DMA_PQ) { - dma_addr_t dma_pq[dst_cnt]; - for (i = 0; i < dst_cnt; i++) dma_pq[i] = dsts[i] + dst_off; tx = dev->device_prep_dma_pq(chan, dma_pq, srcs, @@ -779,6 +786,9 @@ static int dmatest_func(void *data) runtime = ktime_to_us(ktime); ret = 0; + kfree(dma_pq); +err_srcs_array: + kfree(srcs); err_dstbuf: for (i = 0; thread->udsts[i]; i++) kfree(thread->udsts[i]); diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c index bc31fe802061..f62dd0944908 100644 --- a/drivers/dma/dw/platform.c +++ b/drivers/dma/dw/platform.c @@ -293,8 +293,7 @@ MODULE_DEVICE_TABLE(acpi, dw_dma_acpi_id_table); static int dw_suspend_late(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct dw_dma_chip *chip = platform_get_drvdata(pdev); + struct dw_dma_chip *chip = dev_get_drvdata(dev); dw_dma_disable(chip); clk_disable_unprepare(chip->clk); @@ -304,8 +303,7 @@ static int dw_suspend_late(struct device *dev) static int dw_resume_early(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct dw_dma_chip *chip = platform_get_drvdata(pdev); + struct dw_dma_chip *chip = dev_get_drvdata(dev); int ret; ret = clk_prepare_enable(chip->clk); diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index 3eaece888e75..1117b5123a6f 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -1328,8 +1328,7 @@ static int fsldma_of_remove(struct platform_device *op) #ifdef CONFIG_PM static int fsldma_suspend_late(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct fsldma_device *fdev = platform_get_drvdata(pdev); + struct fsldma_device *fdev = dev_get_drvdata(dev); struct fsldma_chan *chan; int i; @@ -1360,8 +1359,7 @@ out: static int fsldma_resume_early(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct fsldma_device *fdev = platform_get_drvdata(pdev); + struct fsldma_device *fdev = dev_get_drvdata(dev); struct fsldma_chan *chan; u32 mode; int i; diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c index 1953e57505f4..e5c911200bdb 100644 --- a/drivers/dma/idma64.c +++ b/drivers/dma/idma64.c @@ -670,8 +670,7 @@ static int idma64_platform_remove(struct platform_device *pdev) static int idma64_pm_suspend(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct idma64_chip *chip = platform_get_drvdata(pdev); + struct idma64_chip *chip = dev_get_drvdata(dev); idma64_off(chip->idma64); return 0; @@ -679,8 +678,7 @@ static int idma64_pm_suspend(struct device *dev) static int idma64_pm_resume(struct device *dev) { - struct platform_device *pdev = to_platform_device(dev); - struct idma64_chip *chip = platform_get_drvdata(pdev); + struct idma64_chip *chip = dev_get_drvdata(dev); idma64_on(chip->idma64); return 0; diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c index 715b39ae5a46..75b6ff0415ee 100644 --- a/drivers/dma/imx-dma.c +++ b/drivers/dma/imx-dma.c @@ -1,19 +1,13 @@ -/* - * drivers/dma/imx-dma.c - * - * This file contains a driver for the Freescale i.MX DMA engine - * found on i.MX1/21/27 - * - * Copyright 2010 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> - * Copyright 2012 Javier Martin, Vista Silicon <javier.martin@vista-silicon.com> - * - * The code contained herein is licensed under the GNU General Public - * License. You may obtain a copy of the GNU General Public License - * Version 2 or later at the following locations: - * - * http://www.opensource.org/licenses/gpl-license.html - * http://www.gnu.org/copyleft/gpl.html - */ +// SPDX-License-Identifier: GPL-2.0+ +// +// drivers/dma/imx-dma.c +// +// This file contains a driver for the Freescale i.MX DMA engine +// found on i.MX1/21/27 +// +// Copyright 2010 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> +// Copyright 2012 Javier Martin, Vista Silicon <javier.martin@vista-silicon.com> + #include <linux/err.h> #include <linux/init.h> #include <linux/types.h> diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index ccd03c3cedfe..f077992635c2 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1,21 +1,14 @@ -/* - * drivers/dma/imx-sdma.c - * - * This file contains a driver for the Freescale Smart DMA engine - * - * Copyright 2010 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> - * - * Based on code from Freescale: - * - * Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved. - * - * The code contained herein is licensed under the GNU General Public - * License. You may obtain a copy of the GNU General Public License - * Version 2 or later at the following locations: - * - * http://www.opensource.org/licenses/gpl-license.html - * http://www.gnu.org/copyleft/gpl.html - */ +// SPDX-License-Identifier: GPL-2.0+ +// +// drivers/dma/imx-sdma.c +// +// This file contains a driver for the Freescale Smart DMA engine +// +// Copyright 2010 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> +// +// Based on code from Freescale: +// +// Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved. #include <linux/init.h> #include <linux/iopoll.h> diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c index 41d167921fab..ae5182ff0128 100644 --- a/drivers/dma/mxs-dma.c +++ b/drivers/dma/mxs-dma.c @@ -1,12 +1,8 @@ -/* - * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved. - * - * Refer to drivers/dma/imx-sdma.c - * - * 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. - */ +// SPDX-License-Identifier: GPL-2.0 +// +// Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved. +// +// Refer to drivers/dma/imx-sdma.c #include <linux/init.h> #include <linux/types.h> diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c index d29275b97e84..b1628d5db6d7 100644 --- a/drivers/dma/qcom/bam_dma.c +++ b/drivers/dma/qcom/bam_dma.c @@ -451,6 +451,7 @@ static void bam_reset_channel(struct bam_chan *bchan) /** * bam_chan_init_hw - Initialize channel hardware * @bchan: bam channel + * @dir: DMA transfer direction * * This function resets and initializes the BAM channel */ @@ -665,7 +666,7 @@ static struct dma_async_tx_descriptor *bam_prep_slave_sg(struct dma_chan *chan, remainder = 0; } - async_desc->length += desc->size; + async_desc->length += le16_to_cpu(desc->size); desc++; } while (remainder > 0); } @@ -679,7 +680,7 @@ err_out: /** * bam_dma_terminate_all - terminate all transactions on a channel - * @bchan: bam dma channel + * @chan: bam dma channel * * Dequeues and frees all transactions * No callbacks are done @@ -910,7 +911,8 @@ static enum dma_status bam_tx_status(struct dma_chan *chan, dma_cookie_t cookie, continue; for (i = 0; i < async_desc->num_desc; i++) - residue += async_desc->curr_desc[i].size; + residue += le16_to_cpu( + async_desc->curr_desc[i].size); } } @@ -950,7 +952,7 @@ static void bam_apply_new_config(struct bam_chan *bchan, /** * bam_start_dma - start next transaction - * @bchan - bam dma channel + * @bchan: bam dma channel */ static void bam_start_dma(struct bam_chan *bchan) { |