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Fri, 15 Jun 2018 12:26:52 +0000 (GMT) From: Marek Szyprowski To: dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org Cc: Marek Szyprowski , Inki Dae , Seung-Woo Kim , Bartlomiej Zolnierkiewicz , Andrzej Hajda Subject: [PATCH] drm/exynos: gsc: Get device id from OF alias Date: Fri, 15 Jun 2018 14:26:43 +0200 X-Mailer: git-send-email 2.17.1 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrCIsWRmVeSWpSXmKPExsWy7djP87p9G5SjDbY8VbG4te4cq8XGGetZ La58fc9mMen+BBaLGef3MVmsPXKX3WLG5JdsDuwe97uPM3n0bVnF6PF5k1wAcxSXTUpqTmZZ apG+XQJXxr+7NxkL3nNUfDhf1MC4lr2LkYNDQsBE4smPmi5GLg4hgRWMEhv2rGCGcL4wSjTM PcAI4XxmlHh+7DJQBydYR9vh76wQieWMEidez2EDSQgJfGWUWPIkBsRmEzCU6HrbBRYXEXCT aDo8E6yBWeAmo8SfJ+sZQRLCArYSR6bfAytiEVCVWHj2NCPEBnmJ1RsOgN0hIXCETeLNo6dg RbwCZRInN3xggyhykdi+4R8zhC0s8er4FqjzZCROT+5hgWhuZpRonzGLHcLpYZTYOmcHVLe1 xOHjF1lBQcAsoCmxfpc+RNhRYspSkHdAIcMnceOtIEiYGcictG06M0SYV6KjTQiiWk1i1vF1 cGsPXrgEdY6HxPyLt6CBEitx+dUVpgmMcrMQdi1gZFzFKJ5aWpybnlpsnJdarlecmFtcmpeu l5yfu4kRGPen/x3/uoNx35+kQ4wCHIxKPLwC85WihVgTy4orcw8xSnAwK4nw9pYAhXhTEiur Uovy44tKc1KLDzFKc7AoifPGadRFCQmkJ5akZqemFqQWwWSZODilGhjN+V3rfndViWUqFnK7 xGyJefTrfKn6zayYSWZeT6fnv/BwSdRQubVPQk2AhSvBMTf6oZnQxh07TwROmBI7+blU+7X9 u2TuqB4+tFlK/N2VcI+4XyXf57htZ3uhErT89IrnWhOD+uy7/rLry15nqvv41+ljKNcvr3sL q6OL2WqK9A7qzj6zWkaJpTgj0VCLuag4EQBlck1K9wIAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrNLMWRmVeSWpSXmKPExsVy+t/xu7q9G5SjDbrnyFvcWneO1WLjjPWs Fle+vmezmHR/AovFjPP7mCzWHrnLbjFj8ks2B3aP+93HmTz6tqxi9Pi8SS6AOUrPpii/tCRV ISO/uMRWKdrQwkjP0NJCz8jEUs/Q2DzWyshUSd/OJiU1J7MstUjfLkEv49/dm4wF7zkqPpwv amBcy97FyMkhIWAi0Xb4O2sXIxeHkMBSRolNM25BJWQkTk5rYIWwhSX+XOtigyj6zCjx5sV/ ZpAEm4ChRNdbkAQnh4iAh0Tzt+PsIEXMArcZJc5vugHWLSxgK3Fk+j2wIhYBVYmFZ08zgti8 QPETbauZIDbIS6zecIB5AiPPAkaGVYwiqaXFuem5xUZ6xYm5xaV56XrJ+bmbGIEBt+3Yzy07 GLveBR9iFOBgVOLhvcGsHC3EmlhWXJl7iFGCg1lJhLe3RClaiDclsbIqtSg/vqg0J7X4EKMp 0PKJzFKiyfnAaMgriTc0NTS3sDQ0NzY3NrNQEuc9b1AZJSSQnliSmp2aWpBaBNPHxMEp1cB4 1LZA/MotHdP6vtaraas1fohP7tX5OFVjVcy0dpWeVzHLfPxXpUobTHm4T+t5bTZv5ErXc6Wl 25tKngv96L5S/+ir44RLdquzt9mm6vhUzlL857V6RWdHety/1oLDU5pfXghhZj6kcfAaI1/1 x22rZat4n1+y6f2t+tOJV1oso0S1X03taaESS3FGoqEWc1FxIgCG/yFKTgIAAA== Message-Id: <20180615122653eucas1p2254aad8e6497ab1bcf11eb5c7fa6b063~4VRMRscw30433304333eucas1p2B@eucas1p2.samsung.com> X-CMS-MailID: 20180615122653eucas1p2254aad8e6497ab1bcf11eb5c7fa6b063 X-Msg-Generator: CA X-RootMTR: 20180615122653eucas1p2254aad8e6497ab1bcf11eb5c7fa6b063 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20180615122653eucas1p2254aad8e6497ab1bcf11eb5c7fa6b063 References: 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 Platform devices instantiated from device-tree always have pdev->id set to -1, so use of_get_alias_id() helper to retrieve proper device id. Signed-off-by: Marek Szyprowski --- drivers/gpu/drm/exynos/exynos_drm_gsc.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index e99dd1e4ba65..a63287597985 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -1196,7 +1196,12 @@ static int gsc_probe(struct platform_device *pdev) struct exynos_drm_ipp_formats *formats; struct gsc_context *ctx; struct resource *res; - int ret, i; + int ret, i, id; + + ret = of_alias_get_id(pdev->dev.of_node, "gsc"); + if (ret < 0) + return ret; + id = ret; ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) @@ -1254,7 +1259,7 @@ static int gsc_probe(struct platform_device *pdev) } /* context initailization */ - ctx->id = pdev->id; + ctx->id = id; platform_set_drvdata(pdev, ctx);