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    SubjectRe: [Letux-kernel] [PATCH v5 3/5] misc serdev: Add w2sg0004 (gps receiver) power control driver
    Hi!

    > > No, we need some kind of at least rudimentary gps framework even if we
    > > allow for a raw (NMEA) interface for the time being (possibly
    > > indefinitely).
    >
    > Ok, that would be fine if we can get that!
    >
    > For a minimal set of API I think something like this (following hci_dev) would suffice:
    >
    > struct gps_dev {
    > ...
    > int (*open)(struct gps_dev *gdev);
    > int (*close)(struct gps_dev *gdev);
    > int (*send)(struct gps_dev *gdev, char *data, int length);
    > };
    >
    > int gps_register_dev(struct gps_dev *gdev);
    > void gps_unregister_dev(struct gps_dev *gdev);
    > int gps_recv_nmea_chars(struct gps_dev *gdev, char *data, int length);
    >
    > If that would wrap all creation of some /dev/ttyGPS0 (or however it is called),
    > it would fit our needs for a driver and user-space for our system.
    >
    > And I would be happy to get rid of creating and registering a /dev/ttyGPS0
    > in the w2sg0004 driver.

    Sounds like a good start.

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