platform.c (e219aafe50fd546b8686582ddbafd24c3c2eda04) platform.c (3214658855c01a0dd62f02feb2ce79846524c6a0)
1/*
2 * Platform driver for the Synopsys DesignWare DMA Controller
3 *
4 * Copyright (C) 2007-2008 Atmel Corporation
5 * Copyright (C) 2010-2011 ST Microelectronics
6 * Copyright (C) 2013 Intel Corporation
7 *
8 * Some parts of this driver are derived from the original dw_dmac.

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234
235 return 0;
236}
237
238static void dw_shutdown(struct platform_device *pdev)
239{
240 struct dw_dma_chip *chip = platform_get_drvdata(pdev);
241
1/*
2 * Platform driver for the Synopsys DesignWare DMA Controller
3 *
4 * Copyright (C) 2007-2008 Atmel Corporation
5 * Copyright (C) 2010-2011 ST Microelectronics
6 * Copyright (C) 2013 Intel Corporation
7 *
8 * Some parts of this driver are derived from the original dw_dmac.

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234
235 return 0;
236}
237
238static void dw_shutdown(struct platform_device *pdev)
239{
240 struct dw_dma_chip *chip = platform_get_drvdata(pdev);
241
242 /*
243 * We have to call dw_dma_disable() to stop any ongoing transfer. On
244 * some platforms we can't do that since DMA device is powered off.
245 * Moreover we have no possibility to check if the platform is affected
246 * or not. That's why we call pm_runtime_get_sync() / pm_runtime_put()
247 * unconditionally. On the other hand we can't use
248 * pm_runtime_suspended() because runtime PM framework is not fully
249 * used by the driver.
250 */
251 pm_runtime_get_sync(chip->dev);
242 dw_dma_disable(chip);
252 dw_dma_disable(chip);
253 pm_runtime_put_sync_suspend(chip->dev);
254
243 clk_disable_unprepare(chip->clk);
244}
245
246#ifdef CONFIG_OF
247static const struct of_device_id dw_dma_of_id_table[] = {
248 { .compatible = "snps,dma-spear1340" },
249 {}
250};

--- 75 unchanged lines hidden --- 		255 clk_disable_unprepare(chip->clk);
256}
257
258#ifdef CONFIG_OF
259static const struct of_device_id dw_dma_of_id_table[] = {
260 { .compatible = "snps,dma-spear1340" },
261 {}
262};

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