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Thu, 17 Jun 2021 14:46:47 +0900 (KST) Received: from localhost.localdomain (unknown [10.113.221.102]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20210617054647epsmtip14f56319522eff509fa05a559eed02f65~JSHTX__5P1533015330epsmtip1W; Thu, 17 Jun 2021 05:46:47 +0000 (GMT) From: Chanwoo Choi To: andrew-sh.cheng@mediatek.com, hsinyi@chromium.org Cc: sibis@codeaurora.org, saravanak@google.com, myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, chanwoo@kernel.org, cwchoi00@gmail.com, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/4] PM / devfreq: Export devfreq_get_freq_ragne symbol within devfreq Date: Thu, 17 Jun 2021 15:05:44 +0900 Message-Id: <20210617060546.26933-3-cw00.choi@samsung.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210617060546.26933-1-cw00.choi@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrPKsWRmVeSWpSXmKPExsWy7bCmru6Jh6cSDJYu5rbYvv4Fq8XEG1dY LK5/ec5q8eyotsWE1u3MFmeb3rBbXN41h83ic+8RRovbjSvYLLoO/WWzuLbwPasDt8fshoss Hpf7epk8ds66y+6xYFOpx6ZVnWweLSf3s3j0bVnF6PF5k1wAR1S2TUZqYkpqkUJqXnJ+SmZe uq2Sd3C8c7ypmYGhrqGlhbmSQl5ibqqtkotPgK5bZg7QnUoKZYk5pUChgMTiYiV9O5ui/NKS VIWM/OISW6XUgpScAssCveLE3OLSvHS95PxcK0MDAyNToMKE7IzWg22sBbOlK97vbGdtYHwu 1sXIySEhYCLRvmMPcxcjF4eQwA5GibafG5ggnE+MEtfWfYZyPjNKfL34nxGmZfHmS4wQiV2M EkfP/IByvjBKrJt7iBWkik1AS2L/ixtsILaIgKnEnsMTWUCKmAXuMUo8Wn4eLCEsECFx6NUy JhCbRUBV4tiu70A2BwevgJXE96MBENvkJVZvOMAMYnMKWEucW3KHHWSOhMBfdom/fy5AneQi 8XPPHjYIW1ji1fEt7BC2lMTL/jYou1pi5ckjbBDNHYwSW/ZfYIVIGEvsXzoZbDGzgKbE+l36 EGFFiZ2/54LNZxbgk3j3tYcVpERCgFeio00IokRZ4vKDu0wQtqTE4vZOqBM8JD6fmgYNlD5G if8r9rFPYJSbhbBhASPjKkax1ILi3PTUYsMCQ+Q428QITolapjsYJ779oHeIkYmD8RCjBAez kgivbvGJBCHelMTKqtSi/Pii0pzU4kOMpsDAm8gsJZqcD0zKeSXxhqZGxsbGFiaGZqaGhkri vDvZDiUICaQnlqRmp6YWpBbB9DFxcEo1MB09x8u65OvkYzYitRuOu3y5LXtONPfR7gdKX8Xu xZ6qN23IZz28NjX/3tQt25+zXl/x5cRD1hMnFj/6fTjm+81esVwOF07b3EAl95e3k0/rKTK/ D/jC8WXR1bT2nx9+L/p67WdjUj6PdUxcq+iMcB79jANre2e2KsuWbQuY/SB2b/bl+eebtBUX xjGd/Se6+8RbL9EkkSUFyw/X56yo51AtuzGhes7dXF9V4/Ki68s2nSudWnfSc7nOhed1f/TS F+kcDTecnzy3USrgy56NwirMmTJxq1a1q1Yk7d556dmvbdM/+/VaqLcc1eqTyJ6RUDp79k7F pVWG3cc4rBhEODyvf37ffu/c+Zc6P2Qttq5VYinOSDTUYi4qTgQAHqeePhIEAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrKLMWRmVeSWpSXmKPExsWy7bCSnO7xh6cSDI4ekbHYvv4Fq8XEG1dY LK5/ec5q8eyotsWE1u3MFmeb3rBbXN41h83ic+8RRovbjSvYLLoO/WWzuLbwPasDt8fshoss Hpf7epk8ds66y+6xYFOpx6ZVnWweLSf3s3j0bVnF6PF5k1wARxSXTUpqTmZZapG+XQJXRuvB NtaC2dIV73e2szYwPhfrYuTkkBAwkVi8+RJjFyMXh5DADkaJpbdaWCESkhLTLh5l7mLkALKF JQ4fLoao+cQosW3hR7AaNgEtif0vbrCB1IgImEscvxINUsMs8IpR4t7Zx2A1wgJhEnMfHmED sVkEVCWO7frOBFLPK2Al8f1oAMQqeYnVGw4wg9icAtYS55bcYQcpEQIqOf8qfQIj3wJGhlWM kqkFxbnpucWGBUZ5qeV6xYm5xaV56XrJ+bmbGMEhq6W1g3HPqg96hxiZOBgPMUpwMCuJ8OoW n0gQ4k1JrKxKLcqPLyrNSS0+xCjNwaIkznuh62S8kEB6YklqdmpqQWoRTJaJg1OqgUk1K89m +na7d2f6C/bn73Bw1pomfaxbt/z42TUHtXn81l+SljSZyXNL4MTsRVbHunMiM58zPvtx8OhP hT3RGp/OZZ5m8d7q+ezLiQnxX6sqvkdol0+ftmzSzFVZDhXal7nE/OW4Vt6+Hn722ZS7goHV vJ6/Ztiotvz6fIrLq6BvfdjeKNeMdO0/wRsezpN7ryQnqXl/i2Uy5/2aTnGv9NNPt+9Jrdu9 b/JN8QMBpX90zusuNFfhPSAx80L+sUnnGN5lM06+EFxjYNa9U7vU2Sch7Gz0rF+d0/fuD7s4 b9P6/z7zufX3hQUeLfCTVc/18992Ofa4eyLvwRmnZ28r9Kv/zbnwwuHwzW/ahWVyn6xWYinO SDTUYi4qTgQA3djmBcgCAAA= X-CMS-MailID: 20210617054647epcas1p265359058d489661e09d8d48d4937ca7b X-Msg-Generator: CA X-Sendblock-Type: SVC_REQ_APPROVE CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20210617054647epcas1p265359058d489661e09d8d48d4937ca7b References: <20210617060546.26933-1-cw00.choi@samsung.com> Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org In order to get frequency range within devfreq governors, export devfreq_get_freq_ragne symbol within devfreq. Signed-off-by: Chanwoo Choi Reviewed-by: Matthias Kaehlcke --- drivers/devfreq/devfreq.c | 17 +++++++++-------- drivers/devfreq/governor.h | 2 ++ 2 files changed, 11 insertions(+), 8 deletions(-) diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index 28f3e0ba6cdd..a15545c42fc2 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -112,16 +112,16 @@ static unsigned long find_available_max_freq(struct devfreq *devfreq) } /** - * get_freq_range() - Get the current freq range + * devfreq_get_freq_range() - Get the current freq range * @devfreq: the devfreq instance * @min_freq: the min frequency * @max_freq: the max frequency * * This takes into consideration all constraints. */ -static void get_freq_range(struct devfreq *devfreq, - unsigned long *min_freq, - unsigned long *max_freq) +void devfreq_get_freq_range(struct devfreq *devfreq, + unsigned long *min_freq, + unsigned long *max_freq) { unsigned long *freq_table = devfreq->profile->freq_table; s32 qos_min_freq, qos_max_freq; @@ -158,6 +158,7 @@ static void get_freq_range(struct devfreq *devfreq, if (*min_freq > *max_freq) *min_freq = *max_freq; } +EXPORT_SYMBOL(devfreq_get_freq_range); /** * devfreq_get_freq_level() - Lookup freq_table for the frequency @@ -418,7 +419,7 @@ int devfreq_update_target(struct devfreq *devfreq, unsigned long freq) err = devfreq->governor->get_target_freq(devfreq, &freq); if (err) return err; - get_freq_range(devfreq, &min_freq, &max_freq); + devfreq_get_freq_range(devfreq, &min_freq, &max_freq); if (freq < min_freq) { freq = min_freq; @@ -1561,7 +1562,7 @@ static ssize_t min_freq_show(struct device *dev, struct device_attribute *attr, unsigned long min_freq, max_freq; mutex_lock(&df->lock); - get_freq_range(df, &min_freq, &max_freq); + devfreq_get_freq_range(df, &min_freq, &max_freq); mutex_unlock(&df->lock); return sprintf(buf, "%lu\n", min_freq); @@ -1615,7 +1616,7 @@ static ssize_t max_freq_show(struct device *dev, struct device_attribute *attr, unsigned long min_freq, max_freq; mutex_lock(&df->lock); - get_freq_range(df, &min_freq, &max_freq); + devfreq_get_freq_range(df, &min_freq, &max_freq); mutex_unlock(&df->lock); return sprintf(buf, "%lu\n", max_freq); @@ -1929,7 +1930,7 @@ static int devfreq_summary_show(struct seq_file *s, void *data) mutex_lock(&devfreq->lock); cur_freq = devfreq->previous_freq; - get_freq_range(devfreq, &min_freq, &max_freq); + devfreq_get_freq_range(devfreq, &min_freq, &max_freq); timer = devfreq->profile->timer; if (IS_SUPPORTED_ATTR(devfreq->governor->attrs, POLLING_INTERVAL)) diff --git a/drivers/devfreq/governor.h b/drivers/devfreq/governor.h index 2d69a0ce6291..9a9495f94ac6 100644 --- a/drivers/devfreq/governor.h +++ b/drivers/devfreq/governor.h @@ -86,6 +86,8 @@ int devfreq_remove_governor(struct devfreq_governor *governor); int devfreq_update_status(struct devfreq *devfreq, unsigned long freq); int devfreq_update_target(struct devfreq *devfreq, unsigned long freq); +void devfreq_get_freq_range(struct devfreq *devfreq, unsigned long *min_freq, + unsigned long *max_freq); static inline int devfreq_update_stats(struct devfreq *df) {