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 <mailhol.vincent@xxxxxxxxxx> Signed-off-by: Markus Schneider-Pargmann <msp@xxxxxxxxxxxx> --- 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 8c6452d1490c11d365bab598f2abe047f730d24b..56884c49b6f2a36acbcd7ca04be506154f991621 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -23,6 +23,7 @@ #include <linux/pinctrl/consumer.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> +#include <linux/regulator/consumer.h> #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 */ -- 2.45.2
