From: Zhang Rui <rui.zhang@intel.com> To: Kuninori Morimoto <kuninori.morimoto.gx@gmail.com> Cc: Patrick Titiano <ptitiano@baylibre.com>, magnus.damm@gmail.com, kuninori.morimoto.gx@renesas.com, eduardo.valentin@ti.com, bcousson@baylibre.com, linux-pm@vger.kernel.org, linux-sh@vger.kernel.org Subject: Re: [PATCH 0/2] thermal: rcar-thermal: minor fixes Date: Mon, 03 Mar 2014 14:51:30 +0000 [thread overview] Message-ID: <1393858290.2193.28.camel@rzhang1-mobl4> (raw) In-Reply-To: <87fvn0xioy.wl%kuninori.morimoto.gx@gmail.com> On Sun, 2014-03-02 at 15:52 -0800, Kuninori Morimoto wrote: > Hi > > > Here are 2 minor updates to the rcar-thermal driver. > > > > First patch removes an unecessary mask applied in a if statement. > > Because the same mask was already applied in the preceding statement, > > the second one can be removed. > > > > Second patch avoids updating the thermal zone in case an IRQ was triggered but > > the temperature didn't effectively change. > > Note this is not a driver issue. > > Below is a captured debug trace illustrating the purpose of this patch: > > out of 8 thermal zone updates, only 2 are actually necessary. > > > > [ 41.120000] rcar_thermal_work(): cctemp%000 > > [ 41.120000] rcar_thermal_work(): new_ctemp0000 > > [ 41.120000] rcar_thermal_work(): temp is now 30000C, update thermal zone > > [ 58.990000] rcar_thermal_work(): cctemp0000 > > [ 58.990000] rcar_thermal_work(): nctemp0000 > > [ 58.990000] rcar_thermal_work(): same temp, do not update thermal zone > > [ 59.290000] rcar_thermal_work(): cctemp0000 > > [ 59.290000] rcar_thermal_work(): nctemp0000 > > [ 59.290000] rcar_thermal_work(): same temp, do not update thermal zone > > [ 59.590000] rcar_thermal_work(): cctemp0000 > > [ 59.590000] rcar_thermal_work(): nctemp0000 > > [ 59.590000] rcar_thermal_work(): same temp, do not update thermal zone > > [ 59.890000] rcar_thermal_work(): cctemp0000 > > [ 59.890000] rcar_thermal_work(): nctemp0000 > > [ 59.890000] rcar_thermal_work(): same temp, do not update thermal zone > > [ 60.190000] rcar_thermal_work(): cctemp0000 > > [ 60.190000] rcar_thermal_work(): nctemp0000 > > [ 60.190000] rcar_thermal_work(): same temp, do not update thermal zone > > [ 60.490000] rcar_thermal_work(): cctemp0000 > > [ 60.490000] rcar_thermal_work(): nctemp0000 > > [ 60.490000] rcar_thermal_work(): same temp, do not update thermal zone > > [ 60.790000] rcar_thermal_work(): cctemp0000 > > [ 60.790000] rcar_thermal_work(): nctemp5000 > > [ 60.790000] rcar_thermal_work(): temp is now 35000C, update thermal zone > > > > I suspect this may be due to sensor sampling accuracy / fluctuation, > > but no formal proof. > > > > Patrick Titiano (2): > > thermal: rcar-thermal: fix same mask applied twice > > thermal: rcar-thermal: update thermal zone only when temperature > > changes > > > > drivers/thermal/rcar_thermal.c | 9 +++++++-- > > 1 file changed, 7 insertions(+), 2 deletions(-) > > For all patches > > Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> > applied. thanks, rui > > -- > To unsubscribe from this list: send the line "unsubscribe linux-pm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
WARNING: multiple messages have this Message-ID (diff)
From: Zhang Rui <rui.zhang@intel.com> To: Kuninori Morimoto <kuninori.morimoto.gx@gmail.com> Cc: Patrick Titiano <ptitiano@baylibre.com>, magnus.damm@gmail.com, kuninori.morimoto.gx@renesas.com, eduardo.valentin@ti.com, bcousson@baylibre.com, linux-pm@vger.kernel.org, linux-sh@vger.kernel.org Subject: Re: [PATCH 0/2] thermal: rcar-thermal: minor fixes Date: Mon, 03 Mar 2014 22:51:30 +0800 [thread overview] Message-ID: <1393858290.2193.28.camel@rzhang1-mobl4> (raw) In-Reply-To: <87fvn0xioy.wl%kuninori.morimoto.gx@gmail.com> On Sun, 2014-03-02 at 15:52 -0800, Kuninori Morimoto wrote: > Hi > > > Here are 2 minor updates to the rcar-thermal driver. > > > > First patch removes an unecessary mask applied in a if statement. > > Because the same mask was already applied in the preceding statement, > > the second one can be removed. > > > > Second patch avoids updating the thermal zone in case an IRQ was triggered but > > the temperature didn't effectively change. > > Note this is not a driver issue. > > Below is a captured debug trace illustrating the purpose of this patch: > > out of 8 thermal zone updates, only 2 are actually necessary. > > > > [ 41.120000] rcar_thermal_work(): cctemp=25000 > > [ 41.120000] rcar_thermal_work(): new_ctemp=30000 > > [ 41.120000] rcar_thermal_work(): temp is now 30000C, update thermal zone > > [ 58.990000] rcar_thermal_work(): cctemp=30000 > > [ 58.990000] rcar_thermal_work(): nctemp=30000 > > [ 58.990000] rcar_thermal_work(): same temp, do not update thermal zone > > [ 59.290000] rcar_thermal_work(): cctemp=30000 > > [ 59.290000] rcar_thermal_work(): nctemp=30000 > > [ 59.290000] rcar_thermal_work(): same temp, do not update thermal zone > > [ 59.590000] rcar_thermal_work(): cctemp=30000 > > [ 59.590000] rcar_thermal_work(): nctemp=30000 > > [ 59.590000] rcar_thermal_work(): same temp, do not update thermal zone > > [ 59.890000] rcar_thermal_work(): cctemp=30000 > > [ 59.890000] rcar_thermal_work(): nctemp=30000 > > [ 59.890000] rcar_thermal_work(): same temp, do not update thermal zone > > [ 60.190000] rcar_thermal_work(): cctemp=30000 > > [ 60.190000] rcar_thermal_work(): nctemp=30000 > > [ 60.190000] rcar_thermal_work(): same temp, do not update thermal zone > > [ 60.490000] rcar_thermal_work(): cctemp=30000 > > [ 60.490000] rcar_thermal_work(): nctemp=30000 > > [ 60.490000] rcar_thermal_work(): same temp, do not update thermal zone > > [ 60.790000] rcar_thermal_work(): cctemp=30000 > > [ 60.790000] rcar_thermal_work(): nctemp=35000 > > [ 60.790000] rcar_thermal_work(): temp is now 35000C, update thermal zone > > > > I suspect this may be due to sensor sampling accuracy / fluctuation, > > but no formal proof. > > > > Patrick Titiano (2): > > thermal: rcar-thermal: fix same mask applied twice > > thermal: rcar-thermal: update thermal zone only when temperature > > changes > > > > drivers/thermal/rcar_thermal.c | 9 +++++++-- > > 1 file changed, 7 insertions(+), 2 deletions(-) > > For all patches > > Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> > applied. thanks, rui > > -- > To unsubscribe from this list: send the line "unsubscribe linux-pm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2014-03-03 14:51 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-02-28 13:10 [PATCH 0/2] thermal: rcar-thermal: minor fixes Patrick Titiano 2014-02-28 13:10 ` Patrick Titiano 2014-02-28 13:10 ` [PATCH 1/2] thermal: rcar-thermal: fix same mask applied twice Patrick Titiano 2014-02-28 13:10 ` Patrick Titiano 2014-02-28 13:10 ` [PATCH 2/2] thermal: rcar-thermal: update thermal zone only when temperature changes Patrick Titiano 2014-02-28 13:10 ` Patrick Titiano 2014-03-02 23:52 ` [PATCH 0/2] thermal: rcar-thermal: minor fixes Kuninori Morimoto 2014-03-02 23:52 ` Kuninori Morimoto 2014-03-03 14:51 ` Zhang Rui [this message] 2014-03-03 14:51 ` Zhang Rui 2014-03-05 14:45 ` Patrick Titiano 2014-03-05 14:45 ` Patrick Titiano
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=1393858290.2193.28.camel@rzhang1-mobl4 \ --to=rui.zhang@intel.com \ --cc=bcousson@baylibre.com \ --cc=eduardo.valentin@ti.com \ --cc=kuninori.morimoto.gx@gmail.com \ --cc=kuninori.morimoto.gx@renesas.com \ --cc=linux-pm@vger.kernel.org \ --cc=linux-sh@vger.kernel.org \ --cc=magnus.damm@gmail.com \ --cc=ptitiano@baylibre.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.