On Thu, 2021-11-04 at 16:00 +0300, Dan Carpenter wrote: > On Mon, Nov 01, 2021 at 02:32:00PM +0000, Karolina Drobnik wrote: > > Increment `idx` in a loop instead of adding the loop counter > > `i` to do so. Thanks to this change, the cast to unsigned short > > can be removed. > > > > Signed-off-by: Karolina Drobnik <karolinadrobnik@xxxxxxxxx> > > --- > > drivers/staging/vt6655/rf.c | 16 ++++++++-------- > > 1 file changed, 8 insertions(+), 8 deletions(-) > > > > diff --git a/drivers/staging/vt6655/rf.c b/drivers/staging/vt6655/rf.c [] > > @@ -700,11 +700,11 @@ bool RFvWriteWakeProgSyn(struct vnt_private *priv, unsigned char rf_type, > > return false; > > > > for (i = 0; i < CB_AL2230_INIT_SEQ; i++) > > - MACvSetMISCFifo(priv, (unsigned short)(idx + i), al2230_init_table[i]); > > + MACvSetMISCFifo(priv, idx++, al2230_init_table[i]); > > Of course, idx is no longer a constant so declaring it as a variable > makes sense here. But maybe just do it in the same patch because the > patch 1/1 doesn't make sense as a stand alone patch. > > Also don't declare idx as an unsigned short. It's better to declare it > as a int so it just works like a normal number and you don't have to > think about signedness bugs and wrapping and edge cases. No, IMO it really should be a u16. Look at the iowrite16() within the call to MACvSetMISCFifo.