On Fri, Jan 12, 2018 at 10:19:51AM +0100, Johan Hovold wrote: > On Thu, Nov 16, 2017 at 01:40:24PM +0200, Mikko Perttunen wrote: > > On 15.11.2017 11:44, Johan Hovold wrote: > > > Fix child-node lookup during probe, which ended up searching the whole > > > device tree depth-first starting at the parent rather than just matching > > > on its children. > > > > > > To make things worse, the parent pmc node could end up being prematurely > > > freed as of_find_node_by_name() drops a reference to its first argument. > > > > > > Fixes: 3568df3d31d6 ("soc: tegra: Add thermal reset (thermtrip) support to PMC") > > > Cc: stable <stable@xxxxxxxxxxxxxxx> # 4.0 > > > Cc: Mikko Perttunen <mperttunen@xxxxxxxxxx> > > > Signed-off-by: Johan Hovold <johan@xxxxxxxxxx> > > > --- > > > drivers/soc/tegra/pmc.c | 2 +- > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > > > diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c > > > index 0453ff6839a7..7e9ef3431bea 100644 > > > --- a/drivers/soc/tegra/pmc.c > > > +++ b/drivers/soc/tegra/pmc.c > > > @@ -1321,7 +1321,7 @@ static void tegra_pmc_init_tsense_reset(struct tegra_pmc *pmc) > > > if (!pmc->soc->has_tsense_reset) > > > return; > > > > > > - np = of_find_node_by_name(pmc->dev->of_node, "i2c-thermtrip"); > > > + np = of_get_child_by_name(pmc->dev->of_node, "i2c-thermtrip"); > > > if (!np) { > > > dev_warn(dev, "i2c-thermtrip node not found, %s.\n", disabled); > > > return; > > > > > > > Good find! > > > > Reviewed-by: Mikko Perttunen <mperttunen@xxxxxxxxxx> > > This one still hasn't made it to linux-next so figured I'd send a > reminder. Will you be picking this one up for 4.16, Thierry? Another two months, another reminder; Thierry, can you pick this fix up? It's got Mikko's ack. Mikko, can you please ping Thierry in case I'm getting stuck in his spam filter or something? Thanks, Johan -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html