From: Lukasz Luba <l.luba@partner.samsung.com> To: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org Cc: tjakobi@math.uni-bielefeld.de, myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, rjw@rjwysocki.net, len.brown@intel.com, pavel@ucw.cz, gregkh@linuxfoundation.org, keescook@chromium.org, anton@enomsg.org, ccross@android.com, tony.luck@intel.com, robh+dt@kernel.org, mark.rutland@arm.com, kgene@kernel.org, krzk@kernel.org, m.szyprowski@samsung.com, b.zolnierkie@samsung.com, Lukasz Luba <l.luba@partner.samsung.com> Subject: [PATCH v2 1/5] devfreq: refactor set_target frequency function Date: Mon, 3 Dec 2018 15:31:11 +0100 [thread overview] Message-ID: <1543847475-7600-2-git-send-email-l.luba@partner.samsung.com> (raw) In-Reply-To: <1543847475-7600-1-git-send-email-l.luba@partner.samsung.com> The refactoring is needed for the new client in devfreq: suspend. To avoid code duplication, move it to the new local function devfreq_set_target. The patch is based on earlier work by Tobias Jakobi. Suggested-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de> Suggested-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com> --- drivers/devfreq/devfreq.c | 62 +++++++++++++++++++++++++++-------------------- 1 file changed, 36 insertions(+), 26 deletions(-) diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index 1414130..a9fd61b 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -285,6 +285,40 @@ static int devfreq_notify_transition(struct devfreq *devfreq, return 0; } +static int devfreq_set_target(struct devfreq *devfreq, unsigned long new_freq, + u32 flags) +{ + struct devfreq_freqs freqs; + unsigned long cur_freq; + int err = 0; + + if (devfreq->profile->get_cur_freq) + devfreq->profile->get_cur_freq(devfreq->dev.parent, &cur_freq); + else + cur_freq = devfreq->previous_freq; + + freqs.old = cur_freq; + freqs.new = new_freq; + devfreq_notify_transition(devfreq, &freqs, DEVFREQ_PRECHANGE); + + err = devfreq->profile->target(devfreq->dev.parent, &new_freq, flags); + if (err) { + freqs.new = cur_freq; + devfreq_notify_transition(devfreq, &freqs, DEVFREQ_POSTCHANGE); + return err; + } + + freqs.new = new_freq; + devfreq_notify_transition(devfreq, &freqs, DEVFREQ_POSTCHANGE); + + if (devfreq_update_status(devfreq, new_freq)) + dev_err(&devfreq->dev, + "Couldn't update frequency transition information.\n"); + + devfreq->previous_freq = new_freq; + return err; +} + /* Load monitoring helper functions for governors use */ /** @@ -296,8 +330,7 @@ static int devfreq_notify_transition(struct devfreq *devfreq, */ int update_devfreq(struct devfreq *devfreq) { - struct devfreq_freqs freqs; - unsigned long freq, cur_freq, min_freq, max_freq; + unsigned long freq, min_freq, max_freq; int err = 0; u32 flags = 0; @@ -333,31 +366,8 @@ int update_devfreq(struct devfreq *devfreq) flags |= DEVFREQ_FLAG_LEAST_UPPER_BOUND; /* Use LUB */ } - if (devfreq->profile->get_cur_freq) - devfreq->profile->get_cur_freq(devfreq->dev.parent, &cur_freq); - else - cur_freq = devfreq->previous_freq; - - freqs.old = cur_freq; - freqs.new = freq; - devfreq_notify_transition(devfreq, &freqs, DEVFREQ_PRECHANGE); + return devfreq_set_target(devfreq, freq, flags); - err = devfreq->profile->target(devfreq->dev.parent, &freq, flags); - if (err) { - freqs.new = cur_freq; - devfreq_notify_transition(devfreq, &freqs, DEVFREQ_POSTCHANGE); - return err; - } - - freqs.new = freq; - devfreq_notify_transition(devfreq, &freqs, DEVFREQ_POSTCHANGE); - - if (devfreq_update_status(devfreq, freq)) - dev_err(&devfreq->dev, - "Couldn't update frequency transition information.\n"); - - devfreq->previous_freq = freq; - return err; } EXPORT_SYMBOL(update_devfreq); -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Lukasz Luba <l.luba@partner.samsung.com> To: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org Cc: mark.rutland@arm.com, len.brown@intel.com, tony.luck@intel.com, keescook@chromium.org, cw00.choi@samsung.com, b.zolnierkie@samsung.com, gregkh@linuxfoundation.org, anton@enomsg.org, rjw@rjwysocki.net, robh+dt@kernel.org, Lukasz Luba <l.luba@partner.samsung.com>, tjakobi@math.uni-bielefeld.de, kyungmin.park@samsung.com, myungjoo.ham@samsung.com, kgene@kernel.org, pavel@ucw.cz, ccross@android.com, krzk@kernel.org, m.szyprowski@samsung.com Subject: [PATCH v2 1/5] devfreq: refactor set_target frequency function Date: Mon, 3 Dec 2018 15:31:11 +0100 [thread overview] Message-ID: <1543847475-7600-2-git-send-email-l.luba@partner.samsung.com> (raw) In-Reply-To: <1543847475-7600-1-git-send-email-l.luba@partner.samsung.com> The refactoring is needed for the new client in devfreq: suspend. To avoid code duplication, move it to the new local function devfreq_set_target. The patch is based on earlier work by Tobias Jakobi. Suggested-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de> Suggested-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com> --- drivers/devfreq/devfreq.c | 62 +++++++++++++++++++++++++++-------------------- 1 file changed, 36 insertions(+), 26 deletions(-) diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index 1414130..a9fd61b 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -285,6 +285,40 @@ static int devfreq_notify_transition(struct devfreq *devfreq, return 0; } +static int devfreq_set_target(struct devfreq *devfreq, unsigned long new_freq, + u32 flags) +{ + struct devfreq_freqs freqs; + unsigned long cur_freq; + int err = 0; + + if (devfreq->profile->get_cur_freq) + devfreq->profile->get_cur_freq(devfreq->dev.parent, &cur_freq); + else + cur_freq = devfreq->previous_freq; + + freqs.old = cur_freq; + freqs.new = new_freq; + devfreq_notify_transition(devfreq, &freqs, DEVFREQ_PRECHANGE); + + err = devfreq->profile->target(devfreq->dev.parent, &new_freq, flags); + if (err) { + freqs.new = cur_freq; + devfreq_notify_transition(devfreq, &freqs, DEVFREQ_POSTCHANGE); + return err; + } + + freqs.new = new_freq; + devfreq_notify_transition(devfreq, &freqs, DEVFREQ_POSTCHANGE); + + if (devfreq_update_status(devfreq, new_freq)) + dev_err(&devfreq->dev, + "Couldn't update frequency transition information.\n"); + + devfreq->previous_freq = new_freq; + return err; +} + /* Load monitoring helper functions for governors use */ /** @@ -296,8 +330,7 @@ static int devfreq_notify_transition(struct devfreq *devfreq, */ int update_devfreq(struct devfreq *devfreq) { - struct devfreq_freqs freqs; - unsigned long freq, cur_freq, min_freq, max_freq; + unsigned long freq, min_freq, max_freq; int err = 0; u32 flags = 0; @@ -333,31 +366,8 @@ int update_devfreq(struct devfreq *devfreq) flags |= DEVFREQ_FLAG_LEAST_UPPER_BOUND; /* Use LUB */ } - if (devfreq->profile->get_cur_freq) - devfreq->profile->get_cur_freq(devfreq->dev.parent, &cur_freq); - else - cur_freq = devfreq->previous_freq; - - freqs.old = cur_freq; - freqs.new = freq; - devfreq_notify_transition(devfreq, &freqs, DEVFREQ_PRECHANGE); + return devfreq_set_target(devfreq, freq, flags); - err = devfreq->profile->target(devfreq->dev.parent, &freq, flags); - if (err) { - freqs.new = cur_freq; - devfreq_notify_transition(devfreq, &freqs, DEVFREQ_POSTCHANGE); - return err; - } - - freqs.new = freq; - devfreq_notify_transition(devfreq, &freqs, DEVFREQ_POSTCHANGE); - - if (devfreq_update_status(devfreq, freq)) - dev_err(&devfreq->dev, - "Couldn't update frequency transition information.\n"); - - devfreq->previous_freq = freq; - return err; } EXPORT_SYMBOL(update_devfreq); -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2018-12-03 14:31 UTC|newest] Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <CGME20181203143127eucas1p2604fc066139a32fdffe996212b42b40e@eucas1p2.samsung.com> 2018-12-03 14:31 ` [PATCH v2 0/5] devfreq: handle suspend/resume Lukasz Luba 2018-12-03 14:31 ` Lukasz Luba [not found] ` <CGME20181203143129eucas1p2955b6becc60ee57110cbc52f6e4f60c5@eucas1p2.samsung.com> 2018-12-03 14:31 ` Lukasz Luba [this message] 2018-12-03 14:31 ` [PATCH v2 1/5] devfreq: refactor set_target frequency function Lukasz Luba 2018-12-04 4:39 ` Chanwoo Choi 2018-12-04 4:39 ` Chanwoo Choi 2018-12-04 5:43 ` Chanwoo Choi 2018-12-04 5:43 ` Chanwoo Choi 2018-12-04 9:36 ` Lukasz Luba 2018-12-04 9:36 ` Lukasz Luba [not found] ` <CGME20181203143131eucas1p217f22ac6d19682a54a57658a06980914@eucas1p2.samsung.com> 2018-12-03 14:31 ` [PATCH v2 2/5] devfreq: add support for suspend/resume of a devfreq device Lukasz Luba 2018-12-03 14:31 ` Lukasz Luba 2018-12-04 5:36 ` Chanwoo Choi 2018-12-04 5:36 ` Chanwoo Choi 2018-12-04 5:43 ` Chanwoo Choi 2018-12-04 5:43 ` Chanwoo Choi 2018-12-04 6:10 ` Chanwoo Choi 2018-12-04 6:10 ` Chanwoo Choi 2018-12-04 9:53 ` Lukasz Luba 2018-12-04 9:53 ` Lukasz Luba 2018-12-05 0:09 ` Chanwoo Choi 2018-12-05 0:09 ` Chanwoo Choi 2018-12-05 11:07 ` Lukasz Luba 2018-12-05 11:07 ` Lukasz Luba 2018-12-04 9:39 ` Lukasz Luba 2018-12-04 9:39 ` Lukasz Luba 2018-12-09 9:00 ` Pavel Machek 2018-12-09 9:00 ` Pavel Machek [not found] ` <CGME20181203143132eucas1p128c029a7c7461e1127924a08e4a71811@eucas1p1.samsung.com> 2018-12-03 14:31 ` [PATCH v2 3/5] devfreq: add devfreq_suspend/resume() functions Lukasz Luba 2018-12-03 14:31 ` Lukasz Luba 2018-12-04 6:19 ` Chanwoo Choi 2018-12-04 6:19 ` Chanwoo Choi 2018-12-04 9:44 ` Lukasz Luba 2018-12-04 9:44 ` Lukasz Luba [not found] ` <CGME20181203143134eucas1p1edd70b0f4dca115f6f154555d8829427@eucas1p1.samsung.com> 2018-12-03 14:31 ` [PATCH v2 4/5] drivers: power: suspend: call devfreq suspend/resume Lukasz Luba 2018-12-03 14:31 ` Lukasz Luba [not found] ` <CGME20181203143135eucas1p165fe6183ae90de7906f9683cb41ff4c1@eucas1p1.samsung.com> 2018-12-03 14:31 ` [PATCH v2 5/5] arm: dts: exynos4: opp-suspend in DMC and leftbus Lukasz Luba 2018-12-03 14:31 ` Lukasz Luba 2018-12-03 17:22 ` Krzysztof Kozlowski 2018-12-03 17:22 ` Krzysztof Kozlowski 2018-12-03 17:48 ` Lukasz Luba 2018-12-03 17:48 ` Lukasz Luba
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=1543847475-7600-2-git-send-email-l.luba@partner.samsung.com \ --to=l.luba@partner.samsung.com \ --cc=anton@enomsg.org \ --cc=b.zolnierkie@samsung.com \ --cc=ccross@android.com \ --cc=cw00.choi@samsung.com \ --cc=devicetree@vger.kernel.org \ --cc=gregkh@linuxfoundation.org \ --cc=keescook@chromium.org \ --cc=kgene@kernel.org \ --cc=krzk@kernel.org \ --cc=kyungmin.park@samsung.com \ --cc=len.brown@intel.com \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-pm@vger.kernel.org \ --cc=linux-samsung-soc@vger.kernel.org \ --cc=m.szyprowski@samsung.com \ --cc=mark.rutland@arm.com \ --cc=myungjoo.ham@samsung.com \ --cc=pavel@ucw.cz \ --cc=rjw@rjwysocki.net \ --cc=robh+dt@kernel.org \ --cc=tjakobi@math.uni-bielefeld.de \ --cc=tony.luck@intel.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.