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Wysocki" , Inki Dae Subject: [PATCH v3 1/4] dmaengine: pl330: remove pdata based initialization Date: Tue, 10 Jan 2017 08:12:36 +0100 Message-id: <1484032359-8311-2-git-send-email-m.szyprowski@samsung.com> X-Mailer: git-send-email 1.9.1 In-reply-to: <1484032359-8311-1-git-send-email-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrEIsWRmVeSWpSXmKPExsWy7djPc7orO0siDN61G1lsnLGe1WL11L+s FpPuT2CxOH9+A7vFpsfXWC0+9x5htJhxfh+Txdojd9ktzpy+xGpxfG24xcu+/SwO3B6L97xk 8ti0qpPN4861PWwem5fUe2y52s7i0bdlFaPH501yAexRXDYpqTmZZalF+nYJXBkfT51mKriu VXHh5lmmBsYFyl2MnBwSAiYSm1sa2SFsMYkL99azdTFycQgJLGOUeHpxMStIQkjgM6PE+T5R mIbmg+1sEHGgoodPJCEaGpgknt6cwgySYBMwlOh62wU2SUSgiVHi7fzljCAOs8BSJonN7S+B 9nFwCAt4S3y9rwPSwCKgKvH70X1WkDCvgLvEw6dqEMvkJE4emwx2BKeAh8S7b0fAZkoIzGOX OPLrOwtIvYSArMSmA8wQ9S4SL6Z8Y4SwhSVeHd8C9ZmMRGfHQSYIu59RoqlVG8KewShx7i0v hG0tcfj4RbBdzAJ8EpO2TWeGGM8r0dEmBFHiIdF2cj4LhO0ocXPrY2j4zGaU+LKQZQKjzAJG hlWMIqmlxbnpqcWGesWJucWleel6yfm5mxiBMX/63/H3OxifNoccYhTgYFTi4d0wqThCiDWx rLgy9xCjBAezkgivQGtJhBBvSmJlVWpRfnxRaU5q8SFGaQ4WJXHevQuuhAsJpCeWpGanphak FsFkmTg4pRoYc9P6Xj0Pu16/tqD+S6NshrQTM+ONkCO/L11Nv1SUfJyz8ZKd5ofyrCtKGXr7 WMuPciwVDRUUur58CkeOJu/yV5eMLfvO7098a820gn8zT6Pt8u+vdjpGVTWYd6cp5U9ON/X1 9H58myG8f65z88+sXeevGS7Zq7b9wbrWh3diZ36NeHcjqPmTEktxRqKhFnNRcSIAd4BXQ/UC AAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmphkeLIzCtJLcpLzFFi42I5/e/4Vd2bnSURBksOmlhsnLGe1WL11L+s FpPuT2CxOH9+A7vFpsfXWC0+9x5htJhxfh+Txdojd9ktzpy+xGpxfG24xcu+/SwO3B6L97xk 8ti0qpPN4861PWwem5fUe2y52s7i0bdlFaPH501yAexRbjYZqYkpqUUKqXnJ+SmZeem2SqEh broWSgp5ibmptkoRur4hQUoKZYk5pUCekQEacHAOcA9W0rdLcMv4eOo0U8F1rYoLN88yNTAu UO5i5OSQEDCRaD7YzgZhi0lcuLceyObiEBJYwiixYPpiRginiUmi81sTI0gVm4ChRNfbLrAO EYEmRomDvzxAipgFljNJbJl+gb2LkYNDWMBb4ut9HZAaFgFVid+P7rOChHkF3CUePlWDWCYn cfLYZFYQm1PAQ+LdtyNgI4WASmb9+s02gZF3ASPDKkaR1NLi3PTcYkO94sTc4tK8dL3k/NxN jMAY2Hbs5+YdjJc2Bh9iFOBgVOLh3TCpOEKINbGsuDL3EKMEB7OSCK9Aa0mEEG9KYmVValF+ fFFpTmrxIUZToJsmMkuJJucD4zOvJN7QxNDc0tDI2MLC3MhISZy35MOVcCGB9MSS1OzU1ILU Ipg+Jg5OqQbG+YlKWgbhDTeehz4/+HLWjhLOg/mL9mlIH+K3EK+rjKhKXPNG6I9i6Wo3h8v7 J6WtP7/sgvwMg8RF18pcrm8UkL41yeqY+Yo37lKcb0N35wj53dZVNUy/ENUYcrVIPeX/m+Ln 77572d/zD/B+/Yq3dkJi3tupC3Yecr6hVjQl22r2cY+PYs2blFiKMxINtZiLihMBWxTfAZcC AAA= X-MTR: 20000000000000000@CPGS X-CMS-MailID: 20170110071342eucas1p1dfe3c4708bf4c1fb193a6f36bfbdc997 X-Msg-Generator: CA X-Sender-IP: 182.198.249.179 X-Local-Sender: =?UTF-8?B?TWFyZWsgU3p5cHJvd3NraRtTUlBPTC1LZXJuZWwgKFRQKRs=?= =?UTF-8?B?7IK87ISx7KCE7J6QG1NlbmlvciBTb2Z0d2FyZSBFbmdpbmVlcg==?= X-Global-Sender: =?UTF-8?B?TWFyZWsgU3p5cHJvd3NraRtTUlBPTC1LZXJuZWwgKFRQKRtT?= =?UTF-8?B?YW1zdW5nIEVsZWN0cm9uaWNzG1NlbmlvciBTb2Z0d2FyZSBFbmdpbmVlcg==?= X-Sender-Code: =?UTF-8?B?QzEwG0VIURtDMTBDRDAyQ0QwMjczOTI=?= CMS-TYPE: 201P X-HopCount: 7 X-CMS-RootMailID: 20170110071342eucas1p1dfe3c4708bf4c1fb193a6f36bfbdc997 X-RootMTR: 20170110071342eucas1p1dfe3c4708bf4c1fb193a6f36bfbdc997 References: <1484032359-8311-1-git-send-email-m.szyprowski@samsung.com> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org This driver is now used only on platforms which support device tree, so it is safe to remove legacy platform data based initialization code. Signed-off-by: Marek Szyprowski --- arch/arm/plat-samsung/devs.c | 1 - drivers/dma/pl330.c | 42 ++++++++---------------------------------- include/linux/amba/pl330.h | 35 ----------------------------------- 3 files changed, 8 insertions(+), 70 deletions(-) delete mode 100644 include/linux/amba/pl330.h -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-pm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c index 03fac123676d..dc269d9143bc 100644 --- a/arch/arm/plat-samsung/devs.c +++ b/arch/arm/plat-samsung/devs.c @@ -10,7 +10,6 @@ * published by the Free Software Foundation. */ -#include #include #include #include diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 740bbb942594..ef367cc26361 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -22,7 +22,6 @@ #include #include #include -#include #include #include #include @@ -2084,18 +2083,6 @@ static void pl330_tasklet(unsigned long data) } } -bool pl330_filter(struct dma_chan *chan, void *param) -{ - u8 *peri_id; - - if (chan->device->dev->driver != &pl330_driver.drv) - return false; - - peri_id = chan->private; - return *peri_id == (unsigned long)param; -} -EXPORT_SYMBOL(pl330_filter); - static struct dma_chan *of_dma_pl330_xlate(struct of_phandle_args *dma_spec, struct of_dma *ofdma) { @@ -2839,7 +2826,6 @@ static int __maybe_unused pl330_resume(struct device *dev) static int pl330_probe(struct amba_device *adev, const struct amba_id *id) { - struct dma_pl330_platdata *pdat; struct pl330_config *pcfg; struct pl330_dmac *pl330; struct dma_pl330_chan *pch, *_p; @@ -2849,8 +2835,6 @@ static int __maybe_unused pl330_resume(struct device *dev) int num_chan; struct device_node *np = adev->dev.of_node; - pdat = dev_get_platdata(&adev->dev); - ret = dma_set_mask_and_coherent(&adev->dev, DMA_BIT_MASK(32)); if (ret) return ret; @@ -2863,7 +2847,7 @@ static int __maybe_unused pl330_resume(struct device *dev) pd = &pl330->ddma; pd->dev = &adev->dev; - pl330->mcbufsz = pdat ? pdat->mcbuf_sz : 0; + pl330->mcbufsz = 0; /* get quirk */ for (i = 0; i < ARRAY_SIZE(of_quirks); i++) @@ -2907,10 +2891,7 @@ static int __maybe_unused pl330_resume(struct device *dev) INIT_LIST_HEAD(&pd->channels); /* Initialize channel parameters */ - if (pdat) - num_chan = max_t(int, pdat->nr_valid_peri, pcfg->num_chan); - else - num_chan = max_t(int, pcfg->num_peri, pcfg->num_chan); + num_chan = max_t(int, pcfg->num_peri, pcfg->num_chan); pl330->num_peripherals = num_chan; @@ -2922,11 +2903,8 @@ static int __maybe_unused pl330_resume(struct device *dev) for (i = 0; i < num_chan; i++) { pch = &pl330->peripherals[i]; - if (!adev->dev.of_node) - pch->chan.private = pdat ? &pdat->peri_id[i] : NULL; - else - pch->chan.private = adev->dev.of_node; + pch->chan.private = adev->dev.of_node; INIT_LIST_HEAD(&pch->submitted_list); INIT_LIST_HEAD(&pch->work_list); INIT_LIST_HEAD(&pch->completed_list); @@ -2939,15 +2917,11 @@ static int __maybe_unused pl330_resume(struct device *dev) list_add_tail(&pch->chan.device_node, &pd->channels); } - if (pdat) { - pd->cap_mask = pdat->cap_mask; - } else { - dma_cap_set(DMA_MEMCPY, pd->cap_mask); - if (pcfg->num_peri) { - dma_cap_set(DMA_SLAVE, pd->cap_mask); - dma_cap_set(DMA_CYCLIC, pd->cap_mask); - dma_cap_set(DMA_PRIVATE, pd->cap_mask); - } + dma_cap_set(DMA_MEMCPY, pd->cap_mask); + if (pcfg->num_peri) { + dma_cap_set(DMA_SLAVE, pd->cap_mask); + dma_cap_set(DMA_CYCLIC, pd->cap_mask); + dma_cap_set(DMA_PRIVATE, pd->cap_mask); } pd->device_alloc_chan_resources = pl330_alloc_chan_resources; diff --git a/include/linux/amba/pl330.h b/include/linux/amba/pl330.h deleted file mode 100644 index fe93758e8403..000000000000 --- a/include/linux/amba/pl330.h +++ /dev/null @@ -1,35 +0,0 @@ -/* linux/include/linux/amba/pl330.h - * - * Copyright (C) 2010 Samsung Electronics Co. Ltd. - * Jaswinder Singh - * - * 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. - */ - -#ifndef __AMBA_PL330_H_ -#define __AMBA_PL330_H_ - -#include - -struct dma_pl330_platdata { - /* - * Number of valid peripherals connected to DMAC. - * This may be different from the value read from - * CR0, as the PL330 implementation might have 'holes' - * in the peri list or the peri could also be reached - * from another DMAC which the platform prefers. - */ - u8 nr_valid_peri; - /* Array of valid peripherals */ - u8 *peri_id; - /* Operational capabilities */ - dma_cap_mask_t cap_mask; - /* Bytes to allocate for MC buffer */ - unsigned mcbuf_sz; -}; - -extern bool pl330_filter(struct dma_chan *chan, void *param); -#endif /* __AMBA_PL330_H_ */