| Message ID | 1416395748-10731-3-git-send-email-m.szyprowski@samsung.com |
|---|---|
| State | Accepted |
| Commit | 461bfb3fe7d0cf64d9ee2190ad8507e460fab198 |
| Headers | show
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[209.132.180.67]) by mx.google.com with ESMTP id xo9si2087857pbc.210.2014.11.19.03.16.26 for <multiple recipients>; Wed, 19 Nov 2014 03:16:27 -0800 (PST) Received-SPF: none (google.com: linux-samsung-soc-owner@vger.kernel.org does not designate permitted sender hosts) client-ip=209.132.180.67; Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754080AbaKSLQ0 (ORCPT <rfc822;riku.voipio@linaro.org> + 4 others); Wed, 19 Nov 2014 06:16:26 -0500 Received: from mailout1.w1.samsung.com ([210.118.77.11]:24992 "EHLO mailout1.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754004AbaKSLQZ (ORCPT <rfc822;linux-samsung-soc@vger.kernel.org>); Wed, 19 Nov 2014 06:16:25 -0500 Received: from eucpsbgm1.samsung.com (unknown [203.254.199.244]) by mailout1.w1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NFA00LO6A44IR40@mailout1.w1.samsung.com> for linux-samsung-soc@vger.kernel.org; Wed, 19 Nov 2014 11:19:16 +0000 (GMT) X-AuditID: cbfec7f4-b7f6c6d00000120b-81-546c7c060cb9 Received: from eusync1.samsung.com ( [203.254.199.211]) by eucpsbgm1.samsung.com (EUCPMTA) with SMTP id 3A.E6.04619.60C7C645; Wed, 19 Nov 2014 11:16:22 +0000 (GMT) Received: from amdc1339.digital.local ([106.116.147.30]) by eusync1.samsung.com (Oracle Communications Messaging Server 7u4-23.01 (7.0.4.23.0) 64bit (built Aug 10 2011)) with ESMTPA id <0NFA00GC59YMTL30@eusync1.samsung.com>; Wed, 19 Nov 2014 11:16:22 +0000 (GMT) From: Marek Szyprowski <m.szyprowski@samsung.com> To: iommu@lists.linux-foundation.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Marek Szyprowski <m.szyprowski@samsung.com>, linaro-mm-sig@lists.linaro.org, Arnd Bergmann <arnd@arndb.de>, Shaik Ameer Basha <shaik.ameer@samsung.com>, Cho KyongHo <pullip.cho@samsung.com>, Joerg Roedel <joro@8bytes.org>, Thierry Reding <treding@nvidia.com>, Olof Johansson <olof@lixom.net>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Rob Herring <robh@kernel.org>, Will Deacon <will.deacon@arm.com>, David Wodhouse <dwmw2@infradead.org>, Inki Dae <inki.dae@samsung.com>, Kukjin Kim <kgene.kim@samsung.com>, Tomasz Figa <tomasz.figa@gmail.com>, Kyungmin Park <kyungmin.park@samsung.com> Subject: [PATCH v3 02/19] iommu: fix initialization without 'add_device' callback Date: Wed, 19 Nov 2014 12:15:31 +0100 Message-id: <1416395748-10731-3-git-send-email-m.szyprowski@samsung.com> X-Mailer: git-send-email 1.9.2 In-reply-to: <1416395748-10731-1-git-send-email-m.szyprowski@samsung.com> References: <1416395748-10731-1-git-send-email-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrJLMWRmVeSWpSXmKPExsVy+t/xy7psNTkhBuu3W1j8nXSM3WLiysnM FpPuT2CxWLDf2qJz9gZ2i94FV9kszja9YbfonLiE3eLLlYdMFpseX2O1mHF+H5PF2iN32S1O Xf/MZvGv9yCjxf89O9gtjjzczW6xatcfRovbv/ksXn48weIg7PHk4DwmjzXz1jB6/P41idFj 56y77B6zO2ayemxeoeWxaVUnm8fmJfUet/89ZvaYfGM5o8eVE02sHr3N79g8+rasYvT4vEku gC+KyyYlNSezLLVI3y6BK2NCy0nGgjesFbO29rI1ML5g6WLk5JAQMJE4efoZO4QtJnHh3nq2 LkYuDiGBpYwSy4/8Z4Rw+pgkpnSdYQWpYhMwlOh628UGYosI5Eu82PsXbBKzwBsWiXubDEFs YYFgif/TlgM1c3CwCKhKXFmqAxLmFfCQmNewBGqZnMT/lyuYQEo4BTwlrkPcIwRU0jR9HesE Rt4FjAyrGEVTS5MLipPScw31ihNzi0vz0vWS83M3MUKi48sOxsXHrA4xCnAwKvHwNhTnhAix JpYVV+YeYpTgYFYS4S0uBArxpiRWVqUW5ccXleakFh9iZOLglGpgLG63tBBe0PHm7LftBRUJ mXW5Ujs882eULvBLKy1p2Gs9gWvCseUfeyTOSaa8T1IP6DY4/KfwGpdi9BPr5mV2u3YqMFba bPY29XApCyt+8FIu7Pk38TWnJ7RmX6hc4DXh4beCBpvIubUX0k8u2nM96H5lr0Wy3Go2ZZfW kvPqEute3t3yU3mGEktxRqKhFnNRcSIAp8ft6GwCAAA= Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: list List-ID: <patchwork-forward.linaro.org> X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Removed-Original-Auth: Dkim didn't pass. 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diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index ed8b04867b1f..02f798b7e295 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -737,7 +737,7 @@ static int add_iommu_group(struct device *dev, void *data) const struct iommu_ops *ops = cb->ops; if (!ops->add_device) - return -ENODEV; + return 0; WARN_ON(dev->iommu_group);
IOMMU drivers can be initialized from of_iommu helpers. Such drivers don't need to provide device_add callbacks to operate properly, so there is no need to fail initialization if the callback is missing. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> --- drivers/iommu/iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)