Re: [PATCH] mmc: tegra: fix SDR50 tuning override

[Greg Kroah-Hartman]

On Mon, Jan 06, 2020 at 01:07:18PM +0100, Thierry Reding wrote:
> On Thu, Jan 02, 2020 at 11:30:50AM +0100, MichaÅ MirosÅaw wrote:
> > Commit 7ad2ed1dfcbe inadvertently mixed up a quirk flag's name and
> > broke SDR50 tuning override. Use correct NVQUIRK_ name.
> > 
> > Fixes: 7ad2ed1dfcbe ("mmc: tegra: enable UHS-I modes")
> > Depends-on: 4f6aa3264af4 ("mmc: tegra: Only advertise UHS modes if IO regulator is present")
> > Signed-off-by: MichaÅ MirosÅaw <mirq-linux@xxxxxxxxxxxx>
> > ---
> >  drivers/mmc/host/sdhci-tegra.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> Oh my... good catch!
> 
> Reviewed-by: Thierry Reding <treding@xxxxxxxxxx>
> 
> I also ran this through our internal test system and all tests pass, so
> also:
> 
> Tested-by: Thierry Reding <treding@xxxxxxxxxx>
> 
> I'm not sure if that "Depends-on:" tag is anything that's recognized
> anywhere. It might be better to turn that into an additional "Fixes:"
> line. Adding Greg to see if he has a standard way of dealing with this
> kind of dependency.
> 
> Greg, what's your preferred way to handle these situations? I think the
> intention here was to describe that the original error was introduced by
> commit 7ad2ed1dfcbe ("mmc: tegra: enable UHS-I modes"), but then commit
> 4f6aa3264af4 ("mmc: tegra: Only advertise UHS modes if IO regulator is
> present") moved that code around, so this patch here will only be back-
> portable until the latter commit, but should be backported until the
> former.

The stable kernel rules document says how to handle this, but the
"depends on" commit id in the comment to the right of the stable@xxx cc:
line in the changelog area.

thanks,

greg k-h