Message ID | 20200607185530.18113-28-digetx@gmail.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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[79.139.237.54]) by smtp.gmail.com with ESMTPSA id e21sm3650953ljb.135.2020.06.07.11.57.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 07 Jun 2020 11:57:45 -0700 (PDT) From: Dmitry Osipenko <digetx@gmail.com> To: Thierry Reding <thierry.reding@gmail.com>, Jonathan Hunter <jonathanh@nvidia.com>, Georgi Djakov <georgi.djakov@linaro.org>, Rob Herring <robh+dt@kernel.org>, Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Peter De Schrijver <pdeschrijver@nvidia.com>, MyungJoo Ham <myungjoo.ham@samsung.com>, Kyungmin Park <kyungmin.park@samsung.com>, Chanwoo Choi <cw00.choi@samsung.com>, Mikko Perttunen <cyndis@kapsi.fi> Subject: [PATCH v3 27/39] interconnect: Relax requirement in of_icc_get_from_provider() Date: Sun, 7 Jun 2020 21:55:18 +0300 Message-Id: <20200607185530.18113-28-digetx@gmail.com> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200607185530.18113-1-digetx@gmail.com> References: <20200607185530.18113-1-digetx@gmail.com> MIME-Version: 1.0 X-Mailman-Approved-At: Sun, 07 Jun 2020 19:13:00 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development <dri-devel.lists.freedesktop.org> List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/dri-devel>, <mailto:dri-devel-request@lists.freedesktop.org?subject=unsubscribe> List-Archive: <https://lists.freedesktop.org/archives/dri-devel> List-Post: <mailto:dri-devel@lists.freedesktop.org> List-Help: <mailto:dri-devel-request@lists.freedesktop.org?subject=help> List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/dri-devel>, <mailto:dri-devel-request@lists.freedesktop.org?subject=subscribe> Cc: devicetree@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, =?utf-8?b?QXJ0dXIgxZp3aWdvxYQ=?= <a.swigon@samsung.com>, linux-tegra@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" <dri-devel-bounces@lists.freedesktop.org> |
Series |
Introduce memory interconnect for NVIDIA Tegra SoCs
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expand
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diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c index e5f998744501..cb143421ca67 100644 --- a/drivers/interconnect/core.c +++ b/drivers/interconnect/core.c @@ -339,7 +339,7 @@ static struct icc_node *of_icc_get_from_provider(struct of_phandle_args *spec) struct icc_node *node = ERR_PTR(-EPROBE_DEFER); struct icc_provider *provider; - if (!spec || spec->args_count != 1) + if (!spec) return ERR_PTR(-EINVAL); mutex_lock(&icc_lock); @@ -967,6 +967,15 @@ EXPORT_SYMBOL_GPL(icc_nodes_remove); */ int icc_provider_add(struct icc_provider *provider) { + struct device_node *np = provider->dev->of_node; + u32 cells_num; + int err; + + err = of_property_read_u32(np, "#interconnect-cells", &cells_num); + if (WARN_ON(err)) + return err; + if (WARN_ON(provider->xlate == of_icc_xlate_onecell && cells_num != 1)) + return -EINVAL; if (WARN_ON(!provider->set)) return -EINVAL; if (WARN_ON(!provider->xlate))