From d600f8e5e6f6166e317db4b4b5681a0c8957950d Mon Sep 17 00:00:00 2001 From: Ondrej Jirman Date: Thu, 17 Sep 2020 00:02:52 +0200 Subject: [PATCH 267/478] misc: modem-power: Fall back to usbat for urcport if firmware is too old Signed-off-by: Ondrej Jirman --- drivers/misc/modem-power.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/misc/modem-power.c b/drivers/misc/modem-power.c index 1c758517c04f..1a1ba4bf7841 100644 --- a/drivers/misc/modem-power.c +++ b/drivers/misc/modem-power.c @@ -584,8 +584,13 @@ static int mpwr_eg25_power_up(struct mpwr_dev* mpwr) /* setup URC port */ ret = mpwr_serdev_at_cmd(mpwr, "AT+QURCCFG=\"urcport\",\"all\"", 2000); - if (ret) - dev_err(mpwr->dev, "Modem may not report URCs to the right port!\n"); + if (ret) { + dev_info(mpwr->dev, "Your modem doesn't support AT+QURCCFG=\"urcport\",\"all\", consider upgrading the firmware.\n"); + + ret = mpwr_serdev_at_cmd(mpwr, "AT+QURCCFG=\"urcport\",\"usbat\"", 2000); + if (ret) + dev_err(mpwr->dev, "Modem may not report URCs to the right port!\n"); + } /* enable the modem to go to sleep when DTR is low */ ret = mpwr_serdev_at_cmd(mpwr, "AT+QSCLK=1", 2000); -- 2.35.3