From patchwork Tue Jan 24 09:27:33 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marek Szyprowski X-Patchwork-Id: 9534629 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 2121C6046A for ; Tue, 24 Jan 2017 09:28:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 12F0020373 for ; Tue, 24 Jan 2017 09:28:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 07658206E2; Tue, 24 Jan 2017 09:28:09 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8DEF926907 for ; Tue, 24 Jan 2017 09:28:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750786AbdAXJ2F (ORCPT ); Tue, 24 Jan 2017 04:28:05 -0500 Received: from mailout1.w1.samsung.com ([210.118.77.11]:56121 "EHLO mailout1.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750739AbdAXJ14 (ORCPT ); Tue, 24 Jan 2017 04:27:56 -0500 Received: from eucas1p2.samsung.com (unknown [182.198.249.207]) by mailout1.w1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0OKA00BYR2AGM270@mailout1.w1.samsung.com>; Tue, 24 Jan 2017 09:27:53 +0000 (GMT) Received: from eusmges5.samsung.com (unknown [203.254.199.245]) by eucas1p1.samsung.com (KnoxPortal) with ESMTP id 20170124092752eucas1p1fefc1d48074b7fae37e6fe9c94ccefdc~cqxJRW79p1369913699eucas1p1T; Tue, 24 Jan 2017 09:27:52 +0000 (GMT) Received: from eucas1p1.samsung.com ( [182.198.249.206]) by eusmges5.samsung.com (EUCPMTA) with SMTP id D0.A5.17477.71E17885; Tue, 24 Jan 2017 09:27:51 +0000 (GMT) Received: from eusmgms2.samsung.com (unknown [182.198.249.180]) by eucas1p1.samsung.com (KnoxPortal) with ESMTP id 20170124092751eucas1p1411586335ad7083f7fff451212e002a3~cqxIene8Z1384113841eucas1p19; Tue, 24 Jan 2017 09:27:51 +0000 (GMT) X-AuditID: cbfec7f5-f79d06d000004445-9d-58871e1745dd Received: from eusync1.samsung.com ( [203.254.199.211]) by eusmgms2.samsung.com (EUCPMTA) with SMTP id 36.D4.10233.41E17885; Tue, 24 Jan 2017 09:27:48 +0000 (GMT) Received: from AMDC2765.digital.local ([106.116.147.25]) by eusync1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTPA id <0OKA00L222A11G70@eusync1.samsung.com>; Tue, 24 Jan 2017 09:27:51 +0000 (GMT) From: Marek Szyprowski To: linux-samsung-soc@vger.kernel.org, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Cc: Marek Szyprowski , Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz , Vinod Koul , Ulf Hansson , "Rafael J. Wysocki" , Inki Dae Subject: [PATCH v6 2/4] dmaengine: Forward slave device pointer to of_xlate callback Date: Tue, 24 Jan 2017 10:27:33 +0100 Message-id: <1485250055-22137-3-git-send-email-m.szyprowski@samsung.com> X-Mailer: git-send-email 1.9.1 In-reply-to: <1485250055-22137-1-git-send-email-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrGIsWRmVeSWpSXmKPExsWy7djPc7ricu0RBqvmG1lsnLGe1WL11L+s FpPuT2CxOH9+A7vFpsfXWC0+9x5htJhxfh+Txdojd9ktzpy+xGpxfG24xcu+/SwO3B6L97xk 8ti0qpPN4861PWwem5fUe2y52s7i0bdlFaPH501yAexRXDYpqTmZZalF+nYJXBl3d81nLui9 w1hx9NEetgbG7VsYuxg5OSQETCQmX73NDmGLSVy4t54NxBYSWMoosWufYhcjF5D9mVHi4+57 cA1PPrxmh0gsY5TY9nMKlNPAJPHv8jRmkCo2AUOJrrddbCAJEYEmRom385czgjjMAkuZJDa3 vwRbKCwQJrFy6U6wDhYBVYnn86+xgNi8Ah4SM/d/ZIPYJydx8thkVhCbU8BTYuvzJrBBEgKL 2CV+z7gBlOAAcmQlNh1ghjBdJCatlYVoFZZ4dXwL1G8yEpcnd7NA2P2MEk2t2hD2DEaJc295 IWxricPHL4KtYhbgk5i0bTrUSF6JjjYhiBIPiZtnZzFChB0lrh0th/h9DqPEiu5D7BMYZRYw MqxiFEktLc5NTy021StOzC0uzUvXS87P3cQIjP3T/45/3cG49JjVIUYBDkYlHt4TMm0RQqyJ ZcWVuYcYJTiYlUR4v4i3RwjxpiRWVqUW5ccXleakFh9ilOZgURLn3bPgSriQQHpiSWp2ampB ahFMlomDU6qBcVrEq4iNMxbelvbqTs5ImxSsYOm96s6iApHFh51k3vjJ34tznPB0Wt+USb+F mU+sZb3qpMTqOLty2koPBts7vzQfCeosY5Tmrjh1emYI38HWIqnj8ZmyxitX3Jfg+GLE6W/O e10lIPfwTq/itF377t000D/ccabWUWfT3w3PXrn4LhBd75xhpsRSnJFoqMVcVJwIAG+QyY/5 AgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupgkeLIzCtJLcpLzFFi42I5/e/4ZV0RufYIg//3WCw2zljParF66l9W i0n3J7BYnD+/gd1i0+NrrBafe48wWsw4v4/JYu2Ru+wWZ05fYrU4vjbc4mXffhYHbo/Fe14y eWxa1cnmcefaHjaPzUvqPbZcbWfx6NuyitHj8ya5APYoN5uM1MSU1CKF1Lzk/JTMvHRbpdAQ N10LJYW8xNxUW6UIXd+QICWFssScUiDPyAANODgHuAcr6dsluGXc3TWfuaD3DmPF0Ud72BoY t29h7GLk5JAQMJF48uE1O4QtJnHh3nq2LkYuDiGBJYwSH5oPMEM4TUwS83ob2UCq2AQMJbre doHZIgJNjBIHf3mAFDELLGeS2DL9AtgoYYEwiZVLdzKD2CwCqhLP519jAbF5BTwkZu7/yAax Tk7i5LHJrCA2p4CnxNbnTWAnCQHVrFlykG0CI+8CRoZVjCKppcW56bnFRnrFibnFpXnpesn5 uZsYgbGw7djPLTsYu94FH2IU4GBU4uEtkGqLEGJNLCuuzD3EKMHBrCTC+0W8PUKINyWxsiq1 KD++qDQntfgQoynQUROZpUST84FxmlcSb2hiaG5paGRsYWFuZKQkzjv1w5VwIYH0xJLU7NTU gtQimD4mDk6pBkbxiz7py3acX7v13t1rRw0WLgyWEZFbNzHrzY8jpf9trjffKVnY816/qvWu leqECKErs0IPRc5frzDh2iWbnh/LA3Tijrk82Vm4IjTlT0j4C5Gqgr8q1oeYvp3V3LCwRZ2h +5/F9A9zG0qc9QKrNqb936OqreYX2GG7z2Ch8pYPHw8IH0596R6jxFKckWioxVxUnAgAX7+b IpsCAAA= X-MTR: 20000000000000000@CPGS X-CMS-MailID: 20170124092751eucas1p1411586335ad7083f7fff451212e002a3 X-Msg-Generator: CA X-Sender-IP: 182.198.249.180 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: 20170124092751eucas1p1411586335ad7083f7fff451212e002a3 X-RootMTR: 20170124092751eucas1p1411586335ad7083f7fff451212e002a3 References: <1485250055-22137-1-git-send-email-m.szyprowski@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add pointer to slave device to of_dma_xlate to let DMA engine driver to know which slave device is using given DMA channel. This will be later used to implement non-irq-safe runtime PM for DMA engine driver. Signed-off-by: Marek Szyprowski Acked-by: Arnd Bergmann Reviewed-by: Ulf Hansson --- drivers/dma/amba-pl08x.c | 2 +- drivers/dma/at_hdmac.c | 4 ++-- drivers/dma/at_xdmac.c | 2 +- drivers/dma/bcm2835-dma.c | 2 +- drivers/dma/coh901318.c | 2 +- drivers/dma/cppi41.c | 2 +- drivers/dma/dma-jz4780.c | 2 +- drivers/dma/dmaengine.c | 2 +- drivers/dma/dw/platform.c | 2 +- drivers/dma/edma.c | 4 ++-- drivers/dma/fsl-edma.c | 2 +- drivers/dma/img-mdc-dma.c | 2 +- drivers/dma/imx-dma.c | 2 +- drivers/dma/imx-sdma.c | 2 +- drivers/dma/k3dma.c | 2 +- drivers/dma/lpc18xx-dmamux.c | 2 +- drivers/dma/mmp_pdma.c | 2 +- drivers/dma/mmp_tdma.c | 2 +- drivers/dma/moxart-dma.c | 2 +- drivers/dma/mxs-dma.c | 2 +- drivers/dma/nbpfaxi.c | 2 +- drivers/dma/of-dma.c | 20 ++++++++++++-------- drivers/dma/pl330.c | 3 ++- drivers/dma/pxa_dma.c | 2 +- drivers/dma/qcom/bam_dma.c | 2 +- drivers/dma/sh/rcar-dmac.c | 2 +- drivers/dma/sh/shdma-of.c | 2 +- drivers/dma/sh/usb-dmac.c | 2 +- drivers/dma/sirf-dma.c | 2 +- drivers/dma/st_fdma.c | 2 +- drivers/dma/ste_dma40.c | 2 +- drivers/dma/stm32-dma.c | 2 +- drivers/dma/sun4i-dma.c | 2 +- drivers/dma/sun6i-dma.c | 2 +- drivers/dma/tegra20-apb-dma.c | 2 +- drivers/dma/tegra210-adma.c | 2 +- drivers/dma/xilinx/xilinx_dma.c | 2 +- drivers/dma/xilinx/zynqmp_dma.c | 2 +- drivers/dma/zx_dma.c | 2 +- include/linux/of_dma.h | 17 +++++++++-------- 40 files changed, 62 insertions(+), 56 deletions(-) diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c index 0b7c6ce629a6..194089c98755 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -2059,7 +2059,7 @@ static struct dma_chan *pl08x_find_chan_id(struct pl08x_driver_data *pl08x, } static struct dma_chan *pl08x_of_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct pl08x_driver_data *pl08x = ofdma->of_dma_data; struct dma_chan *dma_chan; diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 1baf3404a365..b228b263ac0c 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -1788,7 +1788,7 @@ static bool at_dma_filter(struct dma_chan *chan, void *slave) } static struct dma_chan *at_dma_xlate(struct of_phandle_args *dma_spec, - struct of_dma *of_dma) + struct of_dma *of_dma, struct device *slave) { struct dma_chan *chan; struct at_dma_chan *atchan; @@ -1847,7 +1847,7 @@ static struct dma_chan *at_dma_xlate(struct of_phandle_args *dma_spec, } #else static struct dma_chan *at_dma_xlate(struct of_phandle_args *dma_spec, - struct of_dma *of_dma) + struct of_dma *of_dma, struct device *slave) { return NULL; } diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index 7d4e0bcda9af..9ddd868c9b59 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -508,7 +508,7 @@ static inline void at_xdmac_increment_block_count(struct dma_chan *chan, } static struct dma_chan *at_xdmac_xlate(struct of_phandle_args *dma_spec, - struct of_dma *of_dma) + struct of_dma *of_dma, struct device *slave) { struct at_xdmac *atxdmac = of_dma->of_dma_data; struct at_xdmac_chan *atchan; diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c index e18dc596cf24..e9c417ad2141 100644 --- a/drivers/dma/bcm2835-dma.c +++ b/drivers/dma/bcm2835-dma.c @@ -877,7 +877,7 @@ static void bcm2835_dma_free(struct bcm2835_dmadev *od) MODULE_DEVICE_TABLE(of, bcm2835_dma_of_match); static struct dma_chan *bcm2835_dma_xlate(struct of_phandle_args *spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct bcm2835_dmadev *d = ofdma->of_dma_data; struct dma_chan *chan; diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c index 74794c9859f6..dbc4fb44f326 100644 --- a/drivers/dma/coh901318.c +++ b/drivers/dma/coh901318.c @@ -1779,7 +1779,7 @@ static bool coh901318_filter_base_and_id(struct dma_chan *chan, void *data) } static struct dma_chan *coh901318_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct coh901318_filter_args args = { .base = ofdma->of_dma_data, diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c index d5ba43a87a68..389a2278b6a0 100644 --- a/drivers/dma/cppi41.c +++ b/drivers/dma/cppi41.c @@ -932,7 +932,7 @@ static bool cpp41_dma_filter_fn(struct dma_chan *chan, void *param) }; static struct dma_chan *cppi41_dma_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { int count = dma_spec->args_count; struct of_dma_filter_info *info = ofdma->of_dma_data; diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c index 7373b7a555ec..f65f71649898 100644 --- a/drivers/dma/dma-jz4780.c +++ b/drivers/dma/dma-jz4780.c @@ -707,7 +707,7 @@ static bool jz4780_dma_filter_fn(struct dma_chan *chan, void *param) } static struct dma_chan *jz4780_of_dma_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct jz4780_dma_dev *jzdma = ofdma->of_dma_data; dma_cap_mask_t mask = jzdma->dma_device.cap_mask; diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 24e0221fd66d..721fa0bee7f5 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -708,7 +708,7 @@ struct dma_chan *dma_request_chan(struct device *dev, const char *name) /* If device-tree is present get slave info from here */ if (dev->of_node) - chan = of_dma_request_slave_channel(dev->of_node, name); + chan = of_dma_request_slave_channel(dev, name); /* If device was enumerated by ACPI get slave info from here */ if (has_acpi_companion(dev) && !chan) diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c index b1655e40cfa2..1eb8a31b6775 100644 --- a/drivers/dma/dw/platform.c +++ b/drivers/dma/dw/platform.c @@ -29,7 +29,7 @@ #define DRV_NAME "dw_dmac" static struct dma_chan *dw_dma_of_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave_dev) { struct dw_dma *dw = ofdma->of_dma_data; struct dw_dma_slave slave = { diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index 3879f80a4815..d2e7d893d984 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -2117,7 +2117,7 @@ static struct edma_soc_info *edma_setup_info_from_dt(struct device *dev, } static struct dma_chan *of_edma_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct edma_cc *ecc = ofdma->of_dma_data; struct dma_chan *chan = NULL; @@ -2161,7 +2161,7 @@ static struct edma_soc_info *edma_setup_info_from_dt(struct device *dev, } static struct dma_chan *of_edma_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { return NULL; } diff --git a/drivers/dma/fsl-edma.c b/drivers/dma/fsl-edma.c index 6775f2c74e25..915aa8182204 100644 --- a/drivers/dma/fsl-edma.c +++ b/drivers/dma/fsl-edma.c @@ -750,7 +750,7 @@ static void fsl_edma_issue_pending(struct dma_chan *chan) } static struct dma_chan *fsl_edma_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct fsl_edma_engine *fsl_edma = ofdma->of_dma_data; struct dma_chan *chan, *_chan; diff --git a/drivers/dma/img-mdc-dma.c b/drivers/dma/img-mdc-dma.c index 54db1411ce73..9a969cbdd384 100644 --- a/drivers/dma/img-mdc-dma.c +++ b/drivers/dma/img-mdc-dma.c @@ -793,7 +793,7 @@ static irqreturn_t mdc_chan_irq(int irq, void *dev_id) } static struct dma_chan *mdc_of_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct mdc_dma *mdma = ofdma->of_dma_data; struct dma_chan *chan; diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c index ab0fb804fb1e..b145babe366b 100644 --- a/drivers/dma/imx-dma.c +++ b/drivers/dma/imx-dma.c @@ -1032,7 +1032,7 @@ static bool imxdma_filter_fn(struct dma_chan *chan, void *param) } static struct dma_chan *imxdma_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { int count = dma_spec->args_count; struct imxdma_engine *imxdma = ofdma->of_dma_data; diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index d1651a50c349..7c3cdb378f98 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -1659,7 +1659,7 @@ static bool sdma_filter_fn(struct dma_chan *chan, void *fn_param) } static struct dma_chan *sdma_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct sdma_engine *sdma = ofdma->of_dma_data; dma_cap_mask_t mask = sdma->dma_device.cap_mask; diff --git a/drivers/dma/k3dma.c b/drivers/dma/k3dma.c index 01e25c68dd5a..dd0e7fe9e54a 100644 --- a/drivers/dma/k3dma.c +++ b/drivers/dma/k3dma.c @@ -786,7 +786,7 @@ static int k3_dma_transfer_resume(struct dma_chan *chan) MODULE_DEVICE_TABLE(of, k3_pdma_dt_ids); static struct dma_chan *k3_of_dma_simple_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct k3_dma_dev *d = ofdma->of_dma_data; unsigned int request = dma_spec->args[0]; diff --git a/drivers/dma/lpc18xx-dmamux.c b/drivers/dma/lpc18xx-dmamux.c index 761f32687055..e730bcc8d92e 100644 --- a/drivers/dma/lpc18xx-dmamux.c +++ b/drivers/dma/lpc18xx-dmamux.c @@ -53,7 +53,7 @@ static void lpc18xx_dmamux_free(struct device *dev, void *route_data) } static void *lpc18xx_dmamux_reserve(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct platform_device *pdev = of_find_device_by_node(ofdma->of_node); struct lpc18xx_dmamux_data *dmamux = platform_get_drvdata(pdev); diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c index eb3a1f42ab06..569ec8f1ccee 100644 --- a/drivers/dma/mmp_pdma.c +++ b/drivers/dma/mmp_pdma.c @@ -993,7 +993,7 @@ static int mmp_pdma_chan_init(struct mmp_pdma_device *pdev, int idx, int irq) MODULE_DEVICE_TABLE(of, mmp_pdma_dt_ids); static struct dma_chan *mmp_pdma_dma_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct mmp_pdma_device *d = ofdma->of_dma_data; struct dma_chan *chan; diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c index 13c68b6434ce..ca56e73797c9 100644 --- a/drivers/dma/mmp_tdma.c +++ b/drivers/dma/mmp_tdma.c @@ -591,7 +591,7 @@ static bool mmp_tdma_filter_fn(struct dma_chan *chan, void *fn_param) } static struct dma_chan *mmp_tdma_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct mmp_tdma_device *tdev = ofdma->of_dma_data; dma_cap_mask_t mask = tdev->device.cap_mask; diff --git a/drivers/dma/moxart-dma.c b/drivers/dma/moxart-dma.c index e1a5c2242f6f..d7c32a3c1bac 100644 --- a/drivers/dma/moxart-dma.c +++ b/drivers/dma/moxart-dma.c @@ -330,7 +330,7 @@ static struct dma_async_tx_descriptor *moxart_prep_slave_sg( } static struct dma_chan *moxart_of_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct moxart_dmadev *mdc = ofdma->of_dma_data; struct dma_chan *chan; diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c index e217268c7098..3cc0e6b99f13 100644 --- a/drivers/dma/mxs-dma.c +++ b/drivers/dma/mxs-dma.c @@ -747,7 +747,7 @@ static bool mxs_dma_filter_fn(struct dma_chan *chan, void *fn_param) } static struct dma_chan *mxs_dma_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct mxs_dma_engine *mxs_dma = ofdma->of_dma_data; dma_cap_mask_t mask = mxs_dma->dma_device.cap_mask; diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c index 3f45b9bdf201..cb6a981beacd 100644 --- a/drivers/dma/nbpfaxi.c +++ b/drivers/dma/nbpfaxi.c @@ -1096,7 +1096,7 @@ static void nbpf_free_chan_resources(struct dma_chan *dchan) } static struct dma_chan *nbpf_of_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct nbpf_device *nbpf = ofdma->of_dma_data; struct dma_chan *dchan; diff --git a/drivers/dma/of-dma.c b/drivers/dma/of-dma.c index faae0bfe1109..b6fd9e10758c 100644 --- a/drivers/dma/of-dma.c +++ b/drivers/dma/of-dma.c @@ -54,7 +54,8 @@ static struct of_dma *of_dma_find_controller(struct of_phandle_args *dma_spec) * to request channel from the real DMA controller. */ static struct dma_chan *of_dma_router_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, + struct device *slave) { struct dma_chan *chan; struct of_dma *ofdma_target; @@ -71,7 +72,8 @@ static struct dma_chan *of_dma_router_xlate(struct of_phandle_args *dma_spec, if (!ofdma_target) return NULL; - chan = ofdma_target->of_dma_xlate(&dma_spec_target, ofdma_target); + chan = ofdma_target->of_dma_xlate(&dma_spec_target, ofdma_target, + slave); if (chan) { chan->router = ofdma->dma_router; chan->route_data = route_data; @@ -103,7 +105,8 @@ static struct dma_chan *of_dma_router_xlate(struct of_phandle_args *dma_spec, */ int of_dma_controller_register(struct device_node *np, struct dma_chan *(*of_dma_xlate) - (struct of_phandle_args *, struct of_dma *), + (struct of_phandle_args *, struct of_dma *, + struct device *), void *data) { struct of_dma *ofdma; @@ -229,14 +232,15 @@ static int of_dma_match_channel(struct device_node *np, const char *name, /** * of_dma_request_slave_channel - Get the DMA slave channel - * @np: device node to get DMA request from + * @slave: device to get DMA request from * @name: name of desired channel * * Returns pointer to appropriate DMA channel on success or an error pointer. */ -struct dma_chan *of_dma_request_slave_channel(struct device_node *np, +struct dma_chan *of_dma_request_slave_channel(struct device *slave, const char *name) { + struct device_node *np = slave->of_node; struct of_phandle_args dma_spec; struct of_dma *ofdma; struct dma_chan *chan; @@ -275,7 +279,7 @@ struct dma_chan *of_dma_request_slave_channel(struct device_node *np, ofdma = of_dma_find_controller(&dma_spec); if (ofdma) { - chan = ofdma->of_dma_xlate(&dma_spec, ofdma); + chan = ofdma->of_dma_xlate(&dma_spec, ofdma, slave); } else { ret_no_channel = -EPROBE_DEFER; chan = NULL; @@ -305,7 +309,7 @@ struct dma_chan *of_dma_request_slave_channel(struct device_node *np, * pointer to appropriate dma channel on success or NULL on error. */ struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { int count = dma_spec->args_count; struct of_dma_filter_info *info = ofdma->of_dma_data; @@ -335,7 +339,7 @@ struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec, * Returns pointer to appropriate dma channel on success or NULL on error. */ struct dma_chan *of_dma_xlate_by_chan_id(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct dma_device *dev = ofdma->of_dma_data; struct dma_chan *chan, *candidate = NULL; diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 78be12b45a45..b6b2cc912380 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -2076,7 +2076,8 @@ static void pl330_tasklet(unsigned long data) } static struct dma_chan *of_dma_pl330_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, + struct device *slave) { int count = dma_spec->args_count; struct pl330_dmac *pl330 = ofdma->of_dma_data; diff --git a/drivers/dma/pxa_dma.c b/drivers/dma/pxa_dma.c index b53fb618bbf6..434764b43d68 100644 --- a/drivers/dma/pxa_dma.c +++ b/drivers/dma/pxa_dma.c @@ -1336,7 +1336,7 @@ static int pxad_init_phys(struct platform_device *op, MODULE_DEVICE_TABLE(of, pxad_dt_ids); static struct dma_chan *pxad_dma_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct pxad_device *d = ofdma->of_dma_data; struct dma_chan *chan; diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c index 03c4eb3fd314..7ff3075c0702 100644 --- a/drivers/dma/qcom/bam_dma.c +++ b/drivers/dma/qcom/bam_dma.c @@ -1049,7 +1049,7 @@ static void bam_dma_free_desc(struct virt_dma_desc *vd) } static struct dma_chan *bam_dma_xlate(struct of_phandle_args *dma_spec, - struct of_dma *of) + struct of_dma *of, struct device *slave) { struct bam_device *bdev = container_of(of->of_dma_data, struct bam_device, common); diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c index 4c357d475465..c450235ff51c 100644 --- a/drivers/dma/sh/rcar-dmac.c +++ b/drivers/dma/sh/rcar-dmac.c @@ -1560,7 +1560,7 @@ static bool rcar_dmac_chan_filter(struct dma_chan *chan, void *arg) } static struct dma_chan *rcar_dmac_of_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct rcar_dmac_chan *rchan; struct dma_chan *chan; diff --git a/drivers/dma/sh/shdma-of.c b/drivers/dma/sh/shdma-of.c index f999f9b0d314..9953be99627b 100644 --- a/drivers/dma/sh/shdma-of.c +++ b/drivers/dma/sh/shdma-of.c @@ -20,7 +20,7 @@ #define to_shdma_chan(c) container_of(c, struct shdma_chan, dma_chan) static struct dma_chan *shdma_of_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { u32 id = dma_spec->args[0]; dma_cap_mask_t mask; diff --git a/drivers/dma/sh/usb-dmac.c b/drivers/dma/sh/usb-dmac.c index 72c649713ace..0f06a9468df9 100644 --- a/drivers/dma/sh/usb-dmac.c +++ b/drivers/dma/sh/usb-dmac.c @@ -650,7 +650,7 @@ static bool usb_dmac_chan_filter(struct dma_chan *chan, void *arg) } static struct dma_chan *usb_dmac_of_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct dma_chan *chan; dma_cap_mask_t mask; diff --git a/drivers/dma/sirf-dma.c b/drivers/dma/sirf-dma.c index a0733ac3edb1..ed6f07b0d758 100644 --- a/drivers/dma/sirf-dma.c +++ b/drivers/dma/sirf-dma.c @@ -826,7 +826,7 @@ bool sirfsoc_dma_filter_id(struct dma_chan *chan, void *chan_id) BIT(DMA_SLAVE_BUSWIDTH_8_BYTES)) static struct dma_chan *of_dma_sirfsoc_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct sirfsoc_dma *sdma = ofdma->of_dma_data; unsigned int request = dma_spec->args[0]; diff --git a/drivers/dma/st_fdma.c b/drivers/dma/st_fdma.c index bfb79bd0c6de..6a92a6505419 100644 --- a/drivers/dma/st_fdma.c +++ b/drivers/dma/st_fdma.c @@ -167,7 +167,7 @@ static irqreturn_t st_fdma_irq_handler(int irq, void *dev_id) } static struct dma_chan *st_fdma_of_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct st_fdma_dev *fdev = ofdma->of_dma_data; struct dma_chan *chan; diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index a6620b671d1d..9fade9209d93 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -2334,7 +2334,7 @@ static void d40_set_prio_realtime(struct d40_chan *d40c) #define D40_DT_FLAGS_HIGH_PRIO(flags) ((flags >> 4) & 0x1) static struct dma_chan *d40_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct stedma40_chan_cfg cfg; dma_cap_mask_t cap; diff --git a/drivers/dma/stm32-dma.c b/drivers/dma/stm32-dma.c index 49f86cabcfec..495a4f5c5c26 100644 --- a/drivers/dma/stm32-dma.c +++ b/drivers/dma/stm32-dma.c @@ -980,7 +980,7 @@ static void stm32_dma_set_config(struct stm32_dma_chan *chan, } static struct dma_chan *stm32_dma_of_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct stm32_dma_device *dmadev = ofdma->of_dma_data; struct device *dev = dmadev->ddev.dev; diff --git a/drivers/dma/sun4i-dma.c b/drivers/dma/sun4i-dma.c index 57aa227bfadb..c1a076334abf 100644 --- a/drivers/dma/sun4i-dma.c +++ b/drivers/dma/sun4i-dma.c @@ -909,7 +909,7 @@ static int sun4i_dma_config(struct dma_chan *chan, } static struct dma_chan *sun4i_dma_of_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct sun4i_dma_dev *priv = ofdma->of_dma_data; struct sun4i_dma_vchan *vchan; diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c index a2358780ab2c..240e4a95913a 100644 --- a/drivers/dma/sun6i-dma.c +++ b/drivers/dma/sun6i-dma.c @@ -930,7 +930,7 @@ static void sun6i_dma_free_chan_resources(struct dma_chan *chan) } static struct dma_chan *sun6i_dma_of_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct sun6i_dma_dev *sdev = ofdma->of_dma_data; struct sun6i_vchan *vchan; diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c index 3722b9d8d9fe..e0eb5813fcf5 100644 --- a/drivers/dma/tegra20-apb-dma.c +++ b/drivers/dma/tegra20-apb-dma.c @@ -1239,7 +1239,7 @@ static void tegra_dma_free_chan_resources(struct dma_chan *dc) } static struct dma_chan *tegra_dma_of_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct tegra_dma *tdma = ofdma->of_dma_data; struct dma_chan *chan; diff --git a/drivers/dma/tegra210-adma.c b/drivers/dma/tegra210-adma.c index b10cbaa82ff5..525af32132ac 100644 --- a/drivers/dma/tegra210-adma.c +++ b/drivers/dma/tegra210-adma.c @@ -605,7 +605,7 @@ static void tegra_adma_free_chan_resources(struct dma_chan *dc) } static struct dma_chan *tegra_dma_of_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct tegra_adma *tdma = ofdma->of_dma_data; struct tegra_adma_chan *tdc; diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c index 8288fe4d17c3..69cdfc39edb2 100644 --- a/drivers/dma/xilinx/xilinx_dma.c +++ b/drivers/dma/xilinx/xilinx_dma.c @@ -2461,7 +2461,7 @@ static int xilinx_dma_child_probe(struct xilinx_dma_device *xdev, * Return: DMA channel pointer on success and NULL on error */ static struct dma_chan *of_dma_xilinx_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct xilinx_dma_device *xdev = ofdma->of_dma_data; int chan_id = dma_spec->args[0]; diff --git a/drivers/dma/xilinx/zynqmp_dma.c b/drivers/dma/xilinx/zynqmp_dma.c index 6d221e5c72ee..6aa133c514f1 100644 --- a/drivers/dma/xilinx/zynqmp_dma.c +++ b/drivers/dma/xilinx/zynqmp_dma.c @@ -1040,7 +1040,7 @@ static int zynqmp_dma_chan_probe(struct zynqmp_dma_device *zdev, * Return: DMA channel pointer on success and NULL on error */ static struct dma_chan *of_zynqmp_dma_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct zynqmp_dma_device *zdev = ofdma->of_dma_data; diff --git a/drivers/dma/zx_dma.c b/drivers/dma/zx_dma.c index 42ff3e66c1e1..6e050dbe5f26 100644 --- a/drivers/dma/zx_dma.c +++ b/drivers/dma/zx_dma.c @@ -732,7 +732,7 @@ static void zx_dma_free_desc(struct virt_dma_desc *vd) MODULE_DEVICE_TABLE(of, zx6702_dma_dt_ids); static struct dma_chan *zx_of_dma_simple_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { struct zx_dma_dev *d = ofdma->of_dma_data; unsigned int request = dma_spec->args[0]; diff --git a/include/linux/of_dma.h b/include/linux/of_dma.h index b90d8ec57c1f..a0a6c8c17669 100644 --- a/include/linux/of_dma.h +++ b/include/linux/of_dma.h @@ -22,7 +22,8 @@ struct of_dma { struct list_head of_dma_controllers; struct device_node *of_node; struct dma_chan *(*of_dma_xlate) - (struct of_phandle_args *, struct of_dma *); + (struct of_phandle_args *, struct of_dma *, + struct device *); void *(*of_dma_route_allocate) (struct of_phandle_args *, struct of_dma *); struct dma_router *dma_router; @@ -37,7 +38,7 @@ struct of_dma_filter_info { #ifdef CONFIG_DMA_OF extern int of_dma_controller_register(struct device_node *np, struct dma_chan *(*of_dma_xlate) - (struct of_phandle_args *, struct of_dma *), + (struct of_phandle_args *, struct of_dma *, struct device *), void *data); extern void of_dma_controller_free(struct device_node *np); @@ -47,17 +48,17 @@ extern int of_dma_router_register(struct device_node *np, struct dma_router *dma_router); #define of_dma_router_free of_dma_controller_free -extern struct dma_chan *of_dma_request_slave_channel(struct device_node *np, +extern struct dma_chan *of_dma_request_slave_channel(struct device *slave, const char *name); extern struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma); + struct of_dma *ofdma, struct device *slave); extern struct dma_chan *of_dma_xlate_by_chan_id(struct of_phandle_args *dma_spec, - struct of_dma *ofdma); + struct of_dma *ofdma, struct device *slave); #else static inline int of_dma_controller_register(struct device_node *np, struct dma_chan *(*of_dma_xlate) - (struct of_phandle_args *, struct of_dma *), + (struct of_phandle_args *, struct of_dma *, struct device *), void *data) { return -ENODEV; @@ -77,14 +78,14 @@ static inline int of_dma_router_register(struct device_node *np, #define of_dma_router_free of_dma_controller_free -static inline struct dma_chan *of_dma_request_slave_channel(struct device_node *np, +static inline struct dma_chan *of_dma_request_slave_channel(struct device *slave, const char *name) { return ERR_PTR(-ENODEV); } static inline struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) + struct of_dma *ofdma, struct device *slave) { return NULL; }