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: [v4,2/2] drivers: remove force dma flag from buses From: Rob Herring Message-Id: <20180501123448.GA23861@rob-hp-laptop> Date: Tue, 1 May 2018 07:34:48 -0500 To: Nipun Gupta Cc: robin.murphy@arm.com, hch@lst.de, linux@armlinux.org.uk, gregkh@linuxfoundation.org, m.szyprowski@samsung.com, bhelgaas@google.com, zajec5@gmail.com, andy.gross@linaro.org, david.brown@linaro.org, dan.j.williams@intel.com, vinod.koul@intel.com, thierry.reding@gmail.com, frowand.list@gmail.com, jarkko.sakkinen@linux.intel.com, rafael.j.wysocki@intel.com, dmitry.torokhov@gmail.com, johan@kernel.org, msuchanek@suse.de, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-wireless@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, dmaengine@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, linux-pci@vger.kernel.org, bharat.bhushan@nxp.com, leoyang.li@nxp.com List-ID: T24gU2F0LCBBcHIgMjgsIDIwMTggYXQgMDg6MjE6NTlBTSArMDUzMCwgTmlwdW4gR3VwdGEgd3Jv dGU6Cj4gV2l0aCBlYWNoIGJ1cyBpbXBsZW1lbnRpbmcgaXRzIG93biBETUEgY29uZmlndXJhdGlv biBjYWxsYmFjaywKPiB0aGVyZSBpcyBubyBuZWVkIGZvciBidXMgdG8gZXhwbGljaXRseSBoYXZl IGZvcmNlX2RtYSBpbiBpdHMKPiBnbG9iYWwgc3RydWN0dXJlLiBUaGlzIHBhdGNoIG1vZGlmaWVz IG9mX2RtYV9jb25maWd1cmUgQVBJIHRvCj4gYWNjZXB0IGFuIGlucHV0IHBhcmFtZXRlciB3aGlj aCBzcGVjaWZpZXMgaWYgaW1wbGljaXQgRE1BCj4gY29uZmlndXJhdGlvbiBpcyByZXF1aXJlZCBl dmVuIHdoZW4gaXQgaXMgbm90IGRlc2NyaWJlZCBieSB0aGUKPiBmaXJtd2FyZS4KPiAKPiBTaWdu ZWQtb2ZmLWJ5OiBOaXB1biBHdXB0YSA8bmlwdW4uZ3VwdGFAbnhwLmNvbT4KPiBBY2tlZC1ieTog Qmpvcm4gSGVsZ2FhcyA8YmhlbGdhYXNAZ29vZ2xlLmNvbT4gICMgUENJIHBhcnRzCj4gLS0tCj4g Q2hhbmdlcyBpbiB2MjoKPiAgIC0gVGhpcyBpcyBhIG5ldyBjaGFuZ2Ugc3VnZ2VzdGVkIGJ5IFJv YmluIGFuZCBDaHJpc3RvcGgKPiAgICAgYW5kIGlzIGFkZGVkIHRvIHRoZSBzZXJpZXMuCj4gCj4g Q2hhbmdlcyBpbiB2MzoKPiAgIC0gUmViYXNlIGFuZCBjaGFuZ2VzIGNvcnJlc3BvbmRpbmcgdG8g dGhlIGNoYW5nZXMgaW4gcGF0Y2ggMS8yCj4gCj4gQ2hhbmdlcyBpbiB2NDoKPiAgIC0gUmViYXNl ZCBvbiB0b3Agb2YgNC4xNy1yYzIKPiAKPiAgZHJpdmVycy9hbWJhL2J1cy5jICAgICAgICAgICAg fCAxIC0KPiAgZHJpdmVycy9iYXNlL3BsYXRmb3JtLmMgICAgICAgfCAzICstLQo+ICBkcml2ZXJz L2JjbWEvbWFpbi5jICAgICAgICAgICB8IDIgKy0KPiAgZHJpdmVycy9kbWEvcWNvbS9oaWRtYV9t Z210LmMgfCAyICstCj4gIGRyaXZlcnMvZ3B1L2hvc3QxeC9idXMuYyAgICAgIHwgNSArKy0tLQo+ ICBkcml2ZXJzL29mL2RldmljZS5jICAgICAgICAgICB8IDYgKysrKy0tCj4gIGRyaXZlcnMvb2Yv b2ZfcmVzZXJ2ZWRfbWVtLmMgIHwgMiArLQo+ICBkcml2ZXJzL3BjaS9wY2ktZHJpdmVyLmMgICAg ICB8IDMgKy0tCj4gIGluY2x1ZGUvbGludXgvZGV2aWNlLmggICAgICAgIHwgNCAtLS0tCj4gIGlu Y2x1ZGUvbGludXgvb2ZfZGV2aWNlLmggICAgIHwgOCArKysrKystLQo+ICAxMCBmaWxlcyBjaGFu Z2VkLCAxNyBpbnNlcnRpb25zKCspLCAxOSBkZWxldGlvbnMoLSkKClJldmlld2VkLWJ5OiBSb2Ig SGVycmluZyA8cm9iaEBrZXJuZWwub3JnPgotLS0KVG8gdW5zdWJzY3JpYmUgZnJvbSB0aGlzIGxp c3Q6IHNlbmQgdGhlIGxpbmUgInVuc3Vic2NyaWJlIGRtYWVuZ2luZSIgaW4KdGhlIGJvZHkgb2Yg YSBtZXNzYWdlIHRvIG1ham9yZG9tb0B2Z2VyLmtlcm5lbC5vcmcKTW9yZSBtYWpvcmRvbW8gaW5m byBhdCAgaHR0cDovL3ZnZXIua2VybmVsLm9yZy9tYWpvcmRvbW8taW5mby5odG1sCg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-ot0-f196.google.com ([74.125.82.196]:45751 "EHLO mail-ot0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754952AbeEAMev (ORCPT ); Tue, 1 May 2018 08:34:51 -0400 Date: Tue, 1 May 2018 07:34:48 -0500 From: Rob Herring To: Nipun Gupta Cc: robin.murphy@arm.com, hch@lst.de, linux@armlinux.org.uk, gregkh@linuxfoundation.org, m.szyprowski@samsung.com, bhelgaas@google.com, zajec5@gmail.com, andy.gross@linaro.org, david.brown@linaro.org, dan.j.williams@intel.com, vinod.koul@intel.com, thierry.reding@gmail.com, frowand.list@gmail.com, jarkko.sakkinen@linux.intel.com, rafael.j.wysocki@intel.com, dmitry.torokhov@gmail.com, johan@kernel.org, msuchanek@suse.de, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linux-wireless@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, dmaengine@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, linux-pci@vger.kernel.org, bharat.bhushan@nxp.com, leoyang.li@nxp.com Subject: Re: [PATCH v4 2/2] drivers: remove force dma flag from buses Message-ID: <20180501123448.GA23861@rob-hp-laptop> (sfid-20180501_143459_211261_FE0C57FD) References: <1520868292-2479-1-git-send-email-nipun.gupta@nxp.com> <1524883919-29484-1-git-send-email-nipun.gupta@nxp.com> <1524883919-29484-2-git-send-email-nipun.gupta@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1524883919-29484-2-git-send-email-nipun.gupta@nxp.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Sat, Apr 28, 2018 at 08:21:59AM +0530, Nipun Gupta wrote: > With each bus implementing its own DMA configuration callback, > there is no need for bus to explicitly have force_dma in its > global structure. This patch modifies of_dma_configure API to > accept an input parameter which specifies if implicit DMA > configuration is required even when it is not described by the > firmware. > > Signed-off-by: Nipun Gupta > Acked-by: Bjorn Helgaas # PCI parts > --- > Changes in v2: > - This is a new change suggested by Robin and Christoph > and is added to the series. > > Changes in v3: > - Rebase and changes corresponding to the changes in patch 1/2 > > Changes in v4: > - Rebased on top of 4.17-rc2 > > drivers/amba/bus.c | 1 - > drivers/base/platform.c | 3 +-- > drivers/bcma/main.c | 2 +- > drivers/dma/qcom/hidma_mgmt.c | 2 +- > drivers/gpu/host1x/bus.c | 5 ++--- > drivers/of/device.c | 6 ++++-- > drivers/of/of_reserved_mem.c | 2 +- > drivers/pci/pci-driver.c | 3 +-- > include/linux/device.h | 4 ---- > include/linux/of_device.h | 8 ++++++-- > 10 files changed, 17 insertions(+), 19 deletions(-) Reviewed-by: Rob Herring From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH v4 2/2] drivers: remove force dma flag from buses Date: Tue, 1 May 2018 07:34:48 -0500 Message-ID: <20180501123448.GA23861@rob-hp-laptop> References: <1520868292-2479-1-git-send-email-nipun.gupta@nxp.com> <1524883919-29484-1-git-send-email-nipun.gupta@nxp.com> <1524883919-29484-2-git-send-email-nipun.gupta@nxp.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <1524883919-29484-2-git-send-email-nipun.gupta@nxp.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Nipun Gupta Cc: zajec5@gmail.com, linux-pci@vger.kernel.org, jarkko.sakkinen@linux.intel.com, david.brown@linaro.org, thierry.reding@gmail.com, frowand.list@gmail.com, hch@lst.de, m.szyprowski@samsung.com, vinod.koul@intel.com, bharat.bhushan@nxp.com, rafael.j.wysocki@intel.com, linux@armlinux.org.uk, andy.gross@linaro.org, msuchanek@suse.de, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arm-msm@vger.kernel.org, johan@kernel.org, dri-devel@lists.freedesktop.org, bhelgaas@google.com, dan.j.williams@intel.com, linux-soc@vger.kernel.org, gregkh@linuxfoundation.org, dmitry.torokhov@gmail.com, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, leoyang.li@nxp.com, iommu@lists.linux-foundation.org, dmaengine@vger.kernel.org, robin.murphy@arm.com List-Id: linux-tegra@vger.kernel.org T24gU2F0LCBBcHIgMjgsIDIwMTggYXQgMDg6MjE6NTlBTSArMDUzMCwgTmlwdW4gR3VwdGEgd3Jv dGU6Cj4gV2l0aCBlYWNoIGJ1cyBpbXBsZW1lbnRpbmcgaXRzIG93biBETUEgY29uZmlndXJhdGlv biBjYWxsYmFjaywKPiB0aGVyZSBpcyBubyBuZWVkIGZvciBidXMgdG8gZXhwbGljaXRseSBoYXZl IGZvcmNlX2RtYSBpbiBpdHMKPiBnbG9iYWwgc3RydWN0dXJlLiBUaGlzIHBhdGNoIG1vZGlmaWVz IG9mX2RtYV9jb25maWd1cmUgQVBJIHRvCj4gYWNjZXB0IGFuIGlucHV0IHBhcmFtZXRlciB3aGlj aCBzcGVjaWZpZXMgaWYgaW1wbGljaXQgRE1BCj4gY29uZmlndXJhdGlvbiBpcyByZXF1aXJlZCBl dmVuIHdoZW4gaXQgaXMgbm90IGRlc2NyaWJlZCBieSB0aGUKPiBmaXJtd2FyZS4KPiAKPiBTaWdu ZWQtb2ZmLWJ5OiBOaXB1biBHdXB0YSA8bmlwdW4uZ3VwdGFAbnhwLmNvbT4KPiBBY2tlZC1ieTog Qmpvcm4gSGVsZ2FhcyA8YmhlbGdhYXNAZ29vZ2xlLmNvbT4gICMgUENJIHBhcnRzCj4gLS0tCj4g Q2hhbmdlcyBpbiB2MjoKPiAgIC0gVGhpcyBpcyBhIG5ldyBjaGFuZ2Ugc3VnZ2VzdGVkIGJ5IFJv YmluIGFuZCBDaHJpc3RvcGgKPiAgICAgYW5kIGlzIGFkZGVkIHRvIHRoZSBzZXJpZXMuCj4gCj4g Q2hhbmdlcyBpbiB2MzoKPiAgIC0gUmViYXNlIGFuZCBjaGFuZ2VzIGNvcnJlc3BvbmRpbmcgdG8g dGhlIGNoYW5nZXMgaW4gcGF0Y2ggMS8yCj4gCj4gQ2hhbmdlcyBpbiB2NDoKPiAgIC0gUmViYXNl ZCBvbiB0b3Agb2YgNC4xNy1yYzIKPiAKPiAgZHJpdmVycy9hbWJhL2J1cy5jICAgICAgICAgICAg fCAxIC0KPiAgZHJpdmVycy9iYXNlL3BsYXRmb3JtLmMgICAgICAgfCAzICstLQo+ICBkcml2ZXJz L2JjbWEvbWFpbi5jICAgICAgICAgICB8IDIgKy0KPiAgZHJpdmVycy9kbWEvcWNvbS9oaWRtYV9t Z210LmMgfCAyICstCj4gIGRyaXZlcnMvZ3B1L2hvc3QxeC9idXMuYyAgICAgIHwgNSArKy0tLQo+ ICBkcml2ZXJzL29mL2RldmljZS5jICAgICAgICAgICB8IDYgKysrKy0tCj4gIGRyaXZlcnMvb2Yv b2ZfcmVzZXJ2ZWRfbWVtLmMgIHwgMiArLQo+ICBkcml2ZXJzL3BjaS9wY2ktZHJpdmVyLmMgICAg ICB8IDMgKy0tCj4gIGluY2x1ZGUvbGludXgvZGV2aWNlLmggICAgICAgIHwgNCAtLS0tCj4gIGlu Y2x1ZGUvbGludXgvb2ZfZGV2aWNlLmggICAgIHwgOCArKysrKystLQo+ICAxMCBmaWxlcyBjaGFu Z2VkLCAxNyBpbnNlcnRpb25zKCspLCAxOSBkZWxldGlvbnMoLSkKClJldmlld2VkLWJ5OiBSb2Ig SGVycmluZyA8cm9iaEBrZXJuZWwub3JnPgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5m cmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0 aW5mby9kcmktZGV2ZWwK