On Thu, 2016-07-28 at 11:58 +0200, Benjamin Tissoires wrote: > The use of mixed psmouse_printk() and printk creates 2 lines in the log, > while the use of %*ph solves everything. > > Signed-off-by: Benjamin Tissoires <[email protected]> > --- > drivers/input/mouse/elantech.c | 8 ++------ > 1 file changed, 2 insertions(+), 6 deletions(-) > > diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c > index 615d23e..3461d04 100644 > --- a/drivers/input/mouse/elantech.c > +++ b/drivers/input/mouse/elantech.c > @@ -222,12 +222,8 @@ static int elantech_write_reg(struct psmouse *psmouse, > unsigned char reg, > */ > static void elantech_packet_dump(struct psmouse *psmouse) > { > - int i; > - > - psmouse_printk(KERN_DEBUG, psmouse, "PS/2 packet ["); > - for (i = 0; i < psmouse->pktsize; i++) > - printk("%s0x%02x ", i ? ", " : " ", psmouse->packet[i]); > - printk("]\n"); > + psmouse_printk(KERN_DEBUG, psmouse, "PS/2 packet [%*ph]", > + psmouse->pktsize, psmouse->packet); > } > > /*
This should add a newline "\n" format termination but how does the original produce multiple lines of output? It looks more like psmouse_printk should be removed altogether and dev_debug should be used instead.

