From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [v2,4/5] dmaengine: sprd: Add Spreadtrum DMA configuration From: Vinod Koul Message-Id: <20180427062405.GY6014@localhost> Date: Fri, 27 Apr 2018 11:54:06 +0530 To: Baolin Wang Cc: dan.j.williams@intel.com, eric.long@spreadtrum.com, broonie@kernel.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org List-ID: T24gVGh1LCBBcHIgMTksIDIwMTggYXQgMTA6MDA6NDlBTSArMDgwMCwgQmFvbGluIFdhbmcgd3Jv dGU6Cgo+ICsvKgo+ICsgKiBzdHJ1Y3Qgc3ByZF9kbWFfY29uZmlnIC0gRE1BIGNvbmZpZ3VyYXRp b24gc3RydWN0dXJlCj4gKyAqIEBzcmNfYWRkcjogdGhlIHBoeXNpY2FsIGFkZHJlc3Mgd2hlcmUg RE1BIHNsYXZlIGRhdGEgc2hvdWxkIGJlIHJlYWQKPiArICogQGRzdF9hZGRyOiB0aGUgcGh5c2lj YWwgYWRkcmVzcyB3aGVyZSBETUEgc2xhdmUgZGF0YSBzaG91bGQgYmUgd3JpdHRlbgo+ICsgKiBA ZnJhZ21lbnRfbGVuOiBzcGVjaWZ5IG9uZSBmcmFnbWVudCB0cmFuc2ZlciBsZW5ndGgKPiArICog QGJsb2NrX2xlbjogc3BlY2lmeSBvbmUgYmxvY2sgdHJhbnNmZXIgbGVuZ3RoCj4gKyAqIEB0cmFu c2NhdGlvbl9sZW46IHNwZWNpZnkgb25lIHRyYW5zY2F0aW9uIHRyYW5zZmVyIGxlbmd0aAo+ICsg KiBAc3JjX3N0ZXA6IHNvdXJjZSB0cmFuc2ZlciBzdGVwCj4gKyAqIEBkc3Rfc3RlcDogZGVzdGlu YXRpb24gdHJhbnNmZXIgc3RlcAo+ICsgKiBAc3JjX2RhdGF3aWR0aDogc291cmNlIHRyYW5zZmVy IGRhdGEgd2lkdGgKPiArICogQGRzdF9kYXRhd2lkdGg6IGRlc3RpbmF0aW9uIHRyYW5zZmVyIGRh dGEgd2lkdGgKPiArICogQHdyYXBfcHRyOiB3cmFwIHBvaW50ZXIgYWRkcmVzcywgb25jZSB0aGUg dHJhbnNmZXIgYWRkcmVzcyByZWFjaGVzIHRoZQo+ICsgKiAnd3JhcF9wdHInLCB0aGUgbmV4dCB0 cmFuc2ZlciBhZGRyZXNzIHdpbGwganVtcCB0byB0aGUgJ3dyYXBfdG8nIGFkZHJlc3MuCj4gKyAq IEB3cmFwX3RvOiB3cmFwIGp1bXAgdG8gYWRkcmVzcwo+ICsgKiBAcmVxX21vZGU6IHNwZWNpZnkg dGhlIERNQSByZXF1ZXN0IG1vZGUKPiArICogQGludF9tb2RlOiBzcGVjaWZ5IHRoZSBETUEgaW50 ZXJydXB0IHR5cGUKPiArICogQHNsYXZlX2lkOiBzbGF2ZSBjaGFubmVsIHJlcXVlc3RlciBpZAo+ ICsgKi8KPiArc3RydWN0IHNwcmRfZG1hX2NvbmZpZyB7CgpjYW4geW91IHBsZWFzZSBub3QgZHVw bGljYXRlIHRoZSBkbWFfc2xhdmVfY29uZmlnIGhlcmUuIElmIHlvdSB3YW50IHRvIHNhdmUKeW91 ciBvd24gdmFsdWVzIHRoZW4gcGxlYXNlIGVtYmVkIGRtYV9zbGF2ZV9jb25maWcgaGVyZQo= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757461AbeD0GT1 (ORCPT ); Fri, 27 Apr 2018 02:19:27 -0400 Received: from mga12.intel.com ([192.55.52.136]:49959 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752108AbeD0GT0 (ORCPT ); Fri, 27 Apr 2018 02:19:26 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,334,1520924400"; d="scan'208";a="36561800" Date: Fri, 27 Apr 2018 11:54:06 +0530 From: Vinod Koul To: Baolin Wang Cc: dan.j.williams@intel.com, eric.long@spreadtrum.com, broonie@kernel.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 4/5] dmaengine: sprd: Add Spreadtrum DMA configuration Message-ID: <20180427062405.GY6014@localhost> References: <2ec1e8ddade0be5b4412b031b98d0d69a1af421f.1524054807.git.baolin.wang@linaro.org> <30ff22774f045db654d5e784716c3ee69e00775d.1524054807.git.baolin.wang@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <30ff22774f045db654d5e784716c3ee69e00775d.1524054807.git.baolin.wang@linaro.org> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Apr 19, 2018 at 10:00:49AM +0800, Baolin Wang wrote: > +/* > + * struct sprd_dma_config - DMA configuration structure > + * @src_addr: the physical address where DMA slave data should be read > + * @dst_addr: the physical address where DMA slave data should be written > + * @fragment_len: specify one fragment transfer length > + * @block_len: specify one block transfer length > + * @transcation_len: specify one transcation transfer length > + * @src_step: source transfer step > + * @dst_step: destination transfer step > + * @src_datawidth: source transfer data width > + * @dst_datawidth: destination transfer data width > + * @wrap_ptr: wrap pointer address, once the transfer address reaches the > + * 'wrap_ptr', the next transfer address will jump to the 'wrap_to' address. > + * @wrap_to: wrap jump to address > + * @req_mode: specify the DMA request mode > + * @int_mode: specify the DMA interrupt type > + * @slave_id: slave channel requester id > + */ > +struct sprd_dma_config { can you please not duplicate the dma_slave_config here. If you want to save your own values then please embed dma_slave_config here -- ~Vinod