Message ID | 20240210070934.2549994-9-swboyd@chromium.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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[34.125.199.175]) by smtp.gmail.com with UTF8SMTPSA id bj13-20020a17090b088d00b0029552a03219sm2883297pjb.29.2024.02.09.23.09.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 09 Feb 2024 23:09:53 -0800 (PST) From: Stephen Boyd <swboyd@chromium.org> To: chrome-platform@lists.linux.dev Cc: Prashant Malani <pmalani@chromium.org>, linux-kernel@vger.kernel.org, patches@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, Douglas Anderson <dianders@chromium.org>, Pin-yen Lin <treapking@chromium.org>, Chen-Yu Tsai <wenst@chromium.org>, AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>, Heikki Krogerus <heikki.krogerus@linux.intel.com> Subject: [PATCH 08/22] platform/chrome: cros_ec_typec: Purge blocking switch devlinks Date: Fri, 9 Feb 2024 23:09:19 -0800 Message-ID: <20240210070934.2549994-9-swboyd@chromium.org> X-Mailer: git-send-email 2.43.0.687.g38aa6559b0-goog In-Reply-To: <20240210070934.2549994-1-swboyd@chromium.org> References: <20240210070934.2549994-1-swboyd@chromium.org> Precedence: bulk X-Mailing-List: chrome-platform@lists.linux.dev List-Id: <chrome-platform.lists.linux.dev> List-Subscribe: <mailto:chrome-platform+subscribe@lists.linux.dev> List-Unsubscribe: <mailto:chrome-platform+unsubscribe@lists.linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit |
Series |
platform/chrome: Add DT USB/DP muxing/topology to Trogdor
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expand
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diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c index 2b2f14a1b711..cc5269a4b2f1 100644 --- a/drivers/platform/chrome/cros_ec_typec.c +++ b/drivers/platform/chrome/cros_ec_typec.c @@ -325,6 +325,16 @@ static int cros_typec_init_ports(struct cros_typec_data *typec) return -EINVAL; } + /* + * OF graph may have set up some device links with switches, + * since connectors have their own compatible. Purge these + * to avoid a deadlock in switch probe (the switch mistakenly + * assumes the connector is a supplier). + */ + if (dev_of_node(dev)) + device_for_each_child_node(dev, fwnode) + fw_devlink_purge_absent_suppliers(fwnode); + /* DT uses "reg" to specify port number. */ port_prop = dev->of_node ? "reg" : "port-number"; device_for_each_child_node(dev, fwnode) {