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Wysocki" , Inki Dae Subject: [PATCH v5 1/4] dmaengine: pl330: remove pdata based initialization Date: Tue, 17 Jan 2017 13:48:55 +0100 Message-id: <1484657338-26338-2-git-send-email-m.szyprowski@samsung.com> X-Mailer: git-send-email 1.9.1 In-reply-to: <1484657338-26338-1-git-send-email-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrGIsWRmVeSWpSXmKPExsWy7djP87qXhOoiDPZe5bLYOGM9q8XqqX9Z LSbdn8Bicf78BnaLTY+vsVp87j3CaDHj/D4mi7VH7rJbnDl9idXi+Npwi5d9+1kcuD0W73nJ 5LFpVSebx51re9g8Ni+p99hytZ3Fo2/LKkaPz5vkAtijuGxSUnMyy1KL9O0SuDLO3ysrOKJd sXlOD2sDY4NKFyMnh4SAicTDnd3MELaYxIV769m6GLk4hASWMkp0r/0D5XxmlHjYM5UNpuPd lC2sEIlljBLPdjxjgnAamCSWL+1mB6liEzCU6HrbBdYuItDEKPF2/nJGEIdZYCmTxOb2l2BV wgLeEs+ajrKA2CwCqhKHvywBs3kFPCSWt52BukpO4uSxyawgNqeAp0TvzW1ggyQE5rFLPOpf BDSIA8iRldh0AKreReLV0xcsELawxKvjW9ghbBmJy5O7oeL9jBJNrdoQ9gxGiXNveSFsa4nD xy+C7WIW4JOYtG06M8R4XomONiGIEg+J7weeMEHYjhJT565gh/h+DqPE+Z4jjBMYZRYwMqxi FEktLc5NTy020StOzC0uzUvXS87P3cQIjP3T/45/2cG4+JjVIUYBDkYlHt4Zd2sihFgTy4or cw8xSnAwK4nwzhWoixDiTUmsrEotyo8vKs1JLT7EKM3BoiTOu2fBlXAhgfTEktTs1NSC1CKY LBMHp1QDY8jTGT9zau261C8cvHwhvYZb4UnHYu5VJv23rVhs2Ob8/9O1cfuycs0Ju4pCKk/8 3PM0t1r9jOjv/vkf+p+uqDhVzZRf+TqeVWuOaENDbMWBv1JMQeacNpErtX3/LdseZWXdK+N3 SebP14A/T20KS2rrbxe4JzTNK1B5LLWuirVRSct8xZUKJZbijERDLeai4kQAaGBTAfkCAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmplkeLIzCtJLcpLzFFi42I5/e/4Fd0zQnURBo8ncFpsnLGe1WL11L+s FpPuT2CxOH9+A7vFpsfXWC0+9x5htJhxfh+Txdojd9ktzpy+xGpxfG24xcu+/SwO3B6L97xk 8ti0qpPN4861PWwem5fUe2y52s7i0bdlFaPH501yAexRbjYZqYkpqUUKqXnJ+SmZeem2SqEh broWSgp5ibmptkoRur4hQUoKZYk5pUCekQEacHAOcA9W0rdLcMs4f6+s4Ih2xeY5PawNjA0q XYycHBICJhLvpmxhhbDFJC7cW8/WxcjFISSwhFFi4oNmRginiUli7Y3fjCBVbAKGEl1vu9hA bBGBJkaJg788QIqYBZYzSWyZfoEdJCEs4C3xrOkoC4jNIqAqcfjLEjCbV8BDYnnbGWaIdXIS J49NBlvNKeAp0XtzG9gCIaCahRtXs09g5F3AyLCKUSS1tDg3PbfYSK84Mbe4NC9dLzk/dxMj MAq2Hfu5ZQdj17vgQ4wCHIxKPLxOt2sihFgTy4orcw8xSnAwK4nwzhWoixDiTUmsrEotyo8v Ks1JLT7EaAp01ERmKdHkfGCE5pXEG5oYmlsaGhlbWJgbGSmJ8079cCVcSCA9sSQ1OzW1ILUI po+Jg1OqgdH2/LaHdcmvNWvZ3nFUT7hhWJg5bd+pKumkH5FTRdvK5q64UXzTuUjG4sKXPU/1 nt3KzzhldPS0TBXjCrEV9d6vvmuxPmw79Cqk2+n596NHC6tYGje4/pj6dP2WqTXRHKrVm044 is5bYnkvru/u+b/z0speRVztO1dhEytzfXJjwkV29np3q7tKLMUZiYZazEXFiQAvVTtJmAIA AA== X-MTR: 20000000000000000@CPGS X-CMS-MailID: 20170117124921eucas1p2d2f83bf350f9d461d08cf0cb1ad44b88 X-Msg-Generator: CA X-Sender-IP: 182.198.249.180 X-Local-Sender: =?utf-8?q?Marek_Szyprowski=1BSRPOL-Kernel_=28TP=29=1B?= =?utf-8?b?7IK87ISx7KCE7J6QG1NlbmlvciBTb2Z0d2FyZSBFbmdpbmVlcg==?= X-Global-Sender: =?utf-8?q?Marek_Szyprowski=1BSRPOL-Kernel_=28TP=29=1BSam?= =?utf-8?q?sung_Electronics=1BSenior_Software_Engineer?= X-Sender-Code: =?utf-8?q?C10=1BEHQ=1BC10CD02CD027392?= CMS-TYPE: 201P X-HopCount: 7 X-CMS-RootMailID: 20170117124921eucas1p2d2f83bf350f9d461d08cf0cb1ad44b88 X-RootMTR: 20170117124921eucas1p2d2f83bf350f9d461d08cf0cb1ad44b88 References: <1484657338-26338-1-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 Acked-by: Arnd Bergmann For plat-samsung: Acked-by: Krzysztof Kozlowski --- 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 7539f73df9e0..78be12b45a45 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -22,7 +22,6 @@ #include #include #include -#include #include #include #include @@ -2076,18 +2075,6 @@ 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) { @@ -2832,7 +2819,6 @@ 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; @@ -2842,8 +2828,6 @@ 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; @@ -2856,7 +2840,7 @@ 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++) @@ -2900,10 +2884,7 @@ 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; @@ -2915,11 +2896,8 @@ 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); @@ -2932,15 +2910,11 @@ 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_ */