On Fri, Nov 16, 2018 at 05:23:53PM +0100, Lubomir Rintel wrote: > Just return ENODEV, so that whoever attempted to use the EC call can I think you meant EPROBE_DEFER here, but the language in the commit message is a bit ambiguous here... > defer their work. > > Signed-off-by: Lubomir Rintel <lkundrak@xxxxx> > Acked-by: Pavel Machek <pavel@xxxxxx> > > --- > Changes since v1: > - EPROBE_DEFER instead of ENODEV > > drivers/platform/olpc/olpc-ec.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > diff --git a/drivers/platform/olpc/olpc-ec.c b/drivers/platform/olpc/olpc-ec.c > index 35a21c66cd0d..9ee993d5d54b 100644 > --- a/drivers/platform/olpc/olpc-ec.c > +++ b/drivers/platform/olpc/olpc-ec.c > @@ -116,8 +116,11 @@ int olpc_ec_cmd(u8 cmd, u8 *inbuf, size_t inlen, u8 *outbuf, size_t outlen) > struct olpc_ec_priv *ec = ec_priv; > struct ec_cmd_desc desc; > > - /* Ensure a driver and ec hook have been registered */ > - if (WARN_ON(!ec_driver || !ec_driver->ec_cmd)) > + /* Driver not yet registered. */ > + if (!ec_driver) > + return -EPROBE_DEFER; > + > + if (WARN_ON(!ec_driver->ec_cmd)) > return -ENODEV; > > if (!ec) > -- > 2.19.1 > > -- Darren Hart VMware Open Source Technology Center