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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Nishanth Menon , Vignesh Raghavendra , Tero Kristo Cc: linux-can@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Matthias Schiffer , Vishal Mahaveer , Kevin Hilman , Dhruva Gole , Simon Horman , Vincent MAILHOL , Markus Schneider-Pargmann X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1254; i=msp@baylibre.com; h=from:subject:message-id; bh=aipUUq+7RrB1fQczjwGFQJsXFUnND3UwiWP5TZKO64w=; b=owGbwMvMwCGm0rPl0RXRdfaMp9WSGNL59s/XqnFdKfDRbN+T+WsKHVybDbOyYt1kjex0p2ZPP 8fbcdSko5SFQYyDQVZMkeXuh4Xv6uSuL4hY98gRZg4rE8gQBi5OAZiI3W1GhjWPb03bLCHc+rVj 3ZH/zMcOcPNpBHzacP4tp8yJfSt1F2xnZHj2dff7aQv9JK24TzXfzy/8Wc/B2PdyzTW3nvPTvY3 Cm7gA X-Developer-Key: i=msp@baylibre.com; a=openpgp; fpr=BADD88DB889FDC3E8A3D5FE612FA6A01E0A45B41 X-Patchwork-Delegate: kuba@kernel.org Add support to use a regulator for the core. This is optional and used to register the dependency on the regulator. Reviewed-by: Vincent Mailhol Signed-off-by: Markus Schneider-Pargmann --- drivers/net/can/m_can/m_can.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index c539375005f71c88fd1f7d1a885ce890ce0e9327..274fdcae49c31d4792b81cdc065821206d3cb206 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -23,6 +23,7 @@ #include #include #include +#include #include "m_can.h" @@ -2421,6 +2422,11 @@ struct m_can_classdev *m_can_class_allocate_dev(struct device *dev, if (dev->of_node && of_property_read_bool(dev->of_node, "wakeup-source")) device_set_wakeup_capable(dev, true); + ret = devm_regulator_get_enable_optional(dev, "vio"); + if (ret) + return ERR_PTR( + dev_err_probe(dev, ret, "Failed to get or enable optional regulator\n")); + /* Get TX FIFO size * Defines the total amount of echo buffers for loopback */