Re: [PATCH 3/6] serdev: ngsm: Add generic serdev-ngsm driver

From: Pavel Machek
Date: Fri May 01 2020 - 16:44:32 EST


Hi!

> We can have a generic serdev-ngsm driver bring up the TS 27.010 line
> discipline on the selected serial ports based on device tree data.
>
> And we can now do standard Linux device driver for the dedicated
> TS 27.010 channels for devices like GNSS and ALSA found on modems.


> +++ b/drivers/tty/serdev/Kconfig
> @@ -22,4 +22,14 @@ config SERIAL_DEV_CTRL_TTYPORT
> depends on SERIAL_DEV_BUS != m
> default y
>
> +config SERIAL_DEV_N_GSM
> + tristate "Serial device TS 27.010 support"
> + help
> + Select this if you want to use the TS 27.010 with a serial port with
> + devices such as modems and GNSS devices.
> +
> + If unsure, say N.
> + depends on N_GSM
> + depends on SERIAL_DEV_CTRL_TTYPORT

Normally, depends go after "tristate" and before "help" text. I did
not realize this is valid code.

Reviewed-by: Pavel Machek <pavel@xxxxxx>

> +/*
> + * Configure SoC 8250 device for 700 ms autosuspend delay, Values around 600 ms
> + * and shorter cause spurious wake-up events at least on droid 4. Also keep the

droid->Droid?

> +static const struct serdev_ngsm_cfg motmdm_cfg = {
> + .gsm = &adaption1,
> + .init_retry_quirk = true,
> + .needs_usb_phy = true,
> + .aggressive_pm = true,

Umm. These are unsigned int:1, not bools, so = 1 would be expected
here.

Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

Attachment: signature.asc
Description: PGP signature