On Tue, Apr 03, 2018 at 12:49:16PM +0200, Thierry Reding wrote:
> On Sun, Apr 01, 2018 at 04:04:10AM -0700, Nathan Chancellor wrote:
> > Clang warns about casting variables to themselves because it is rarely
> > necessary. Removing the cast should not change anything regarding the
> > code and silences the warning.
> >
> > ../drivers/phy/tegra/xusb.c:421:11: warning: explicitly assigning value
> > of variable of type 'const struct tegra_xusb_lane_map *' to itself
> > [-Wself-assign]
> > for (map = map; map->type; map++) {
> > ~~~ ^ ~~~
> >
> > Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
> > ---
> > I am not entirely sure if this is the correct solution, especially since
> > I don't have the hardware and I am not too familiar with this code. If
> > there is a better solution, please let me know.
> >
> > Changes from v1 -> v2: Fix spelling error in commit title
> >
> > drivers/phy/tegra/xusb.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c
> > index 63e916d4d069..11aa5902a9ac 100644
> > --- a/drivers/phy/tegra/xusb.c
> > +++ b/drivers/phy/tegra/xusb.c
> > @@ -418,7 +418,7 @@ tegra_xusb_port_find_lane(struct tegra_xusb_port *port,
> > {
> > struct tegra_xusb_lane *lane, *match = ERR_PTR(-ENODEV);
> >
> > - for (map = map; map->type; map++) {
> > + for (; map->type; map++) {
> > if (port->index != map->port)
> > continue;
> >
>
> An equivalent patch seems to already have been merged. See:
>
> https://patchwork.kernel.org/patch/10072641/
>
> You can avoid duplication of effort such as this by basing any patches
> you send on top of a recent linux-next. The above patch, for example,
> was added in next-20180223.
>
> Thanks,
> Thierry
Hi Thierry,
Thanks for the response. My apologies for not basing on linux-next; I
thought I did a cursory glance at both the phy and tegra trees but
apparently I didn't do it close enough. Definitely won't make the same
mistake again.
Cheers!
Nathan
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