On Tue, Dec 01, 2015 at 02:18:49PM -0800, Sinclair Yeh wrote: > v2: > Instead of replacing existing VMMOUSE defines, only modify enough > to use the new VMW_PORT define. > > v3: > Use updated VMWARE_PORT() which requires hypervisor magic as an added > parameter > > Signed-off-by: Sinclair Yeh <[email protected]> > Reviewed-by: Thomas Hellstrom <[email protected]> > Reviewed-by: Alok N Kataria <[email protected]> > Cc: [email protected] > Cc: [email protected] > Cc: Dmitry Torokhov <[email protected]> > Cc: Arnd Bergmann <[email protected]> > Cc: Greg Kroah-Hartman <[email protected]> > Cc: [email protected] > Cc: [email protected] > Cc: [email protected] > --- > drivers/input/mouse/vmmouse.c | 22 +++++++--------------- > 1 file changed, 7 insertions(+), 15 deletions(-) > > diff --git a/drivers/input/mouse/vmmouse.c b/drivers/input/mouse/vmmouse.c > index e272f06..d34e3e4 100644 > --- a/drivers/input/mouse/vmmouse.c > +++ b/drivers/input/mouse/vmmouse.c > @@ -19,6 +19,7 @@ > #include <linux/slab.h> > #include <linux/module.h> > #include <asm/hypervisor.h> > +#include <asm/vmware.h> > > #include "psmouse.h" > #include "vmmouse.h" > @@ -84,21 +85,12 @@ struct vmmouse_data { > * implementing the vmmouse protocol. Should never execute on > * bare metal hardware. > */ > -#define VMMOUSE_CMD(cmd, in1, out1, out2, out3, out4) \ > -({ \ > - unsigned long __dummy1, __dummy2; \ > - __asm__ __volatile__ ("inl %%dx" : \ > - "=a"(out1), \ > - "=b"(out2), \ > - "=c"(out3), \ > - "=d"(out4), \ > - "=S"(__dummy1), \ > - "=D"(__dummy2) : \ > - "a"(VMMOUSE_PROTO_MAGIC), \ > - "b"(in1), \ > - "c"(VMMOUSE_PROTO_CMD_##cmd), \ > - "d"(VMMOUSE_PROTO_PORT) : \ > - "memory"); \ > +#define VMMOUSE_CMD(cmd, in1, out1, out2, out3, out4) \ > +({ \ > + unsigned long __dummy1 = 0, __dummy2 = 0; \
Why do we need to initialize dummies? > + VMW_PORT(in1, VMMOUSE_PROTO_CMD_##cmd, VMMOUSE_PROTO_PORT, \ > + VMMOUSE_PROTO_MAGIC, \ > + out1, out2, out3, out4, __dummy1, __dummy2); \ > }) > Thanks. -- Dmitry -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
