Instead of the home-grown d_fnstart(), d_fnend() and d_printf() macros,
use dev_dbg() or remove the message entirely.
Signed-off-by: NDavid Vrabel <david.vrabel@csr.com>

All callers of whci_wait_for() should get consistant error message if a
timeout occurs.
Signed-off-by: NDavid Vrabel <david.vrabel@csr.com>

Use pre_reset and post_reset methods to avoid unbinding the radio
controller driver after a uwb_rc_reset_all() call.  This avoids a
deadlock in uwb_rc_rm() when waiting for the uwb event thread to stop.
Signed-off-by: NDavid Vrabel <david.vrabel@csr.com>

The file(s) below do not use LINUX_VERSION_CODE nor KERNEL_VERSION.
  drivers/uwb/drp-ie.c
  drivers/uwb/hwa-rc.c
  drivers/uwb/i1480/dfu/usb.c
  drivers/uwb/i1480/i1480u-wlp/lc.c
  drivers/uwb/i1480/i1480u-wlp/sysfs.c
  drivers/uwb/rsv.c
  drivers/uwb/whc-rc.c

This patch removes the said #include <version.h>.
Signed-off-by: NHuang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: NDavid Vrabel <david.vrabel@csr.com>

Avoid using printk_ratelimit() in many places because:
  - many were error messages reporting broken hardware (it's useful to
    get all of these).
  - the message itself wasn't useful so the message has been removed.
Signed-off-by: NDavid Vrabel <david.vrabel@csr.com>

Add the driver for WHCI radio controllers.
Signed-off-by: NDavid Vrabel <david.vrabel@csr.com>