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Fri, 15 Apr 2016 15:32:57 +0900 (KST) From: Chanwoo Choi To: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, k.kozlowski@samsung.com, tomasz.figa@gmail.com, s.nawrocki@samsung.com, kgene@kernel.org Subject: [PATCH v2 2/8] PM / devfreq: event: Find the instance of devfreq-event device by using phandle Date: Fri, 15 Apr 2016 15:32:49 +0900 Message-id: <1460701975-24178-3-git-send-email-cw00.choi@samsung.com> X-Mailer: git-send-email 1.8.0 In-reply-to: <1460701975-24178-1-git-send-email-cw00.choi@samsung.com> References: <1460701975-24178-1-git-send-email-cw00.choi@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrPIsWRmVeSWpSXmKPExsWyRsSkUFeqWyDc4Ms8SYvrX56zWsw/co7V ov/NQlaLc69WMlpMuj+BxeL1C0OL/sevmS3ONr1ht9j0+BqrxeVdc9gsPvceYbSYcX4fk8W6 jbfYLW5f5rV4eeQHo8XS6xeZLG43rmCzmDB9LYvFmdOXWC1a9x5ht/i/Zwe7xeE37awWbas/ sFqs2vWH0UHCY828NYweLc09bB6X+3qZPG7dqffYOesuu8fK5V/YPDat6mTz2Lyk3uPfMXaP LVfbWTz6tqxi9Pi8SS6AJ4rLJiU1J7MstUjfLoErY9uvV+wFp7kq9p38xtjA+J2ji5GTQ0LA ROL13nksELaYxIV769m6GLk4hARWMEpMfXODHabo3YGzTBCJWYwSHUdfMIEkhAS+MEp82icI YrMJaEnsf3EDrFtEYCqjxMHuWYwgDrPAVWaJJY1tYKOEBTIl9n74wwpiswioStzf18cGYvMK uErs2neCGWKdnMSHPY/A6jkF3CQWTb7OCLHNVaJl3jw2iJoTHBKf50dAzBGQ+Db5ENAPHEBx WYlNB6DGSEocXHGDZQKj8AJGhlWMoqkFyQXFSelFpnrFibnFpXnpesn5uZsYgfF8+t+ziTsY 7x+wPsQowMGoxMP7IFYgXIg1say4MvcQoynQhonMUqLJ+cCkkVcSb2hsZmRhamJqbGRuaaYk zqsj/TNYSCA9sSQ1OzW1ILUovqg0J7X4ECMTB6dUA6OjVtaD0uqjQY3vxKyFK59mfpjQP1dE +4buQd4HtU35Mc9KQ8++fXRmn1RcntzPRS+fs93OCRa4EruSidtt7VGXhG/BM72qE0RMWws+ 2fi0FfwTflzmVLB5Kefi57OtTk2/z/ez7famnWv/n93dKZVV+DUx00Ff1OV7dId5c63ZyYzP ie59/5RYijMSDbWYi4oTAW0uA6viAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprLKsWRmVeSWpSXmKPExsVy+t9jQV2pboFwg1W3hSyuf3nOajH/yDlW i/43C1ktzr1ayWgx6f4EFovXLwwt+h+/ZrY42/SG3WLT42usFpd3zWGz+Nx7hNFixvl9TBbr Nt5it7h9mdfi5ZEfjBZLr19ksrjduILNYsL0tSwWZ05fYrVo3XuE3eL/nh3sFofftLNatK3+ wGqxatcfRgcJjzXz1jB6tDT3sHlc7utl8rh1p95j56y77B4rl39h89i0qpPNY/OSeo9/x9g9 tlxtZ/Ho27KK0ePzJrkAnqgGRpuM1MSU1CKF1Lzk/JTMvHRbJe/geOd4UzMDQ11DSwtzJYW8 xNxUWyUXnwBdt8wcoNeVFMoSc0qBQgGJxcVK+naYJoSGuOlawDRG6PqGBMH1GBmggYQ1jBnb fr1iLzjNVbHv5DfGBsbvHF2MnBwSAiYS7w6cZYKwxSQu3FvP1sXIxSEkMItRouPoC7CEkMAX RolP+wRBbDYBLYn9L26AFYkITGWUONg9ixHEYRa4yiyxpLGNHaRKWCBTYu+HP6wgNouAqsT9 fX1sIDavgKvErn0nmCHWyUl82PMIrJ5TwE1i0eTrjBDbXCVa5s1jm8DIu4CRYRWjRGpBckFx UnquYV5quV5xYm5xaV66XnJ+7iZGcNJ4JrWD8eAu90OMAhyMSjy8D2IFwoVYE8uKK3MPMUpw MCuJ8E5uBQrxpiRWVqUW5ccXleakFh9iNAU6bCKzlGhyPjCh5ZXEGxqbmBlZGpkbWhgZmyuJ 8z7+vy5MSCA9sSQ1OzW1ILUIpo+Jg1OqgTH/Rq28gU01R4XfNuMt21PNi+/d19y7d1XwpgpO WW7DOTJiErq7Tyv7n1wdXSeV1dT1XjXysEn8zdRHDKG8s4r+djWr///xyIZ9qsMVjmNlK43V 8rpmX9IpvZh9IlesPcBOPl/4E+9sqf9fuKZGCl7bcqEg/yW3g+m5mAze9cxJEl928K5XUmIp zkg01GIuKk4EAN69jf0wAwAA DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160414_233332_916994_BA83A9A7 X-CRM114-Status: GOOD ( 11.24 ) X-Spam-Score: -7.9 (-------) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, linux-samsung-soc@vger.kernel.org, linux@arm.linux.org.uk, cw00.choi@samsung.com, pawel.moll@arm.com, ijc+devicetree@hellion.org.uk, linux.amoon@gmail.com, linux-pm@vger.kernel.org, rjw@rjwysocki.net, linux-kernel@vger.kernel.org, m.reichl@fivetechno.de, tjakobi@math.uni-bielefeld.de, devicetree@vger.kernel.org, robh+dt@kernel.org, galak@codeaurora.org, inki.dae@samsung.com, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch use the phandle to find the instance of devfreq-event device in Device Tree when calling the devfreq_event_get_edev_by_phandle() because there is two type devfreq-event devices as following: First case, exynos-ppmu.c driver provides the maximum four event of each PPMU. So, when getting the instance of devfreq-event device, using the unique name of struct devfreq_event_desc. Second case, exynos-nocp.c driver provide the only one event of each NoC Probe device. So, when getting the instance of devfreq-event device, using the phandle of each NoC probe device. Signed-off-by: Chanwoo Choi --- drivers/devfreq/devfreq-event.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/devfreq/devfreq-event.c b/drivers/devfreq/devfreq-event.c index 38bf144ca147..39b048eda2ce 100644 --- a/drivers/devfreq/devfreq-event.c +++ b/drivers/devfreq/devfreq-event.c @@ -235,6 +235,11 @@ struct devfreq_event_dev *devfreq_event_get_edev_by_phandle(struct device *dev, mutex_lock(&devfreq_event_list_lock); list_for_each_entry(edev, &devfreq_event_list, node) { + if (edev->dev.parent && edev->dev.parent->of_node == node) + goto out; + } + + list_for_each_entry(edev, &devfreq_event_list, node) { if (!strcmp(edev->desc->name, node->name)) goto out; }