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Mon, 15 Jul 2019 12:04:29 +0000 (GMT) From: Kamil Konieczny To: k.konieczny@partner.samsung.com Cc: Bartlomiej Zolnierkiewicz , Marek Szyprowski , Chanwoo Choi , Krzysztof Kozlowski , Kukjin Kim , Kyungmin Park , Mark Rutland , MyungJoo Ham , Nishanth Menon , Rob Herring , Stephen Boyd , Viresh Kumar , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org Subject: [PATCH v2 1/4] opp: core: add regulators enable and disable Date: Mon, 15 Jul 2019 14:04:13 +0200 Message-Id: <20190715120416.3561-2-k.konieczny@partner.samsung.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190715120416.3561-1-k.konieczny@partner.samsung.com> MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA01SWUwTQRh29ugu1epSSBir8agxinJINHESxaASs4+EBzUaLFU2QKBVuxyi D4IH0kYR0CgUPIgXIShQrlKKB1bWxkoDJHgQFAQ1QSDYqmkjiLSLx9s33zH/90+GxuUDpIJO 1WZwOq06XSmREs2dXme4My0sYcOUNxDVl9aS6NW3zyS6YesiUeHDGYAuDn/BkdNZR6GXp8Yo ZBruI1GvpUKC3BdsAJU6H2Lovm2AQndedWOoP69KgsY8LzF0tt1GoV999QRqGOyUxMjZmus1 gDVV6yVsw+2T7JMJK8YWNlYDVnjdgrFu07I4ap90axKXnprF6SK3JUpT+vuLqSNdsmP2x7ty wbX5BkDTkNkE77yJMgApLWeqABwyfgTi4RuAtqk8Ujy4ASxwNeAGEOBP1LeX4qJwD8CiyXzi b0T/c9LvkjCb4YcWB+bDwcwqeOndVX8CZ7wErOutp3xCEBML+ybfUr4iBLMaGupCfbSM2Qnd 0y5MnLYc6s1thA8HzNrN7zsp0RMI7WUjfh6f9ZxuKvffD5lxCrbetZBiOBb2VFolIg6Co0Ij JeKl8MWl84SIs+HHykJKDJ8BcPDc1zlhC3wqdJO+cjgTCmstkSK9HZaU3wXi4y2Er8cDxQ4L YUmzb0cfLYMF+XLRHQ6vzzjm2iyBhpkHc5iFtgkHKAIrjf9tY/xvG+O/uTcBXg1CuExek8zx UVouO4JXa/hMbXLEocMaE5j9dC9+CS4z+N5zsAMwNFAukMUkrU+Qk+osPkfTASCNK4Nl0d9n KVmSOuc4pzus0mWmc3wHWEITyhDZiXmD++VMsjqDS+O4I5zuj4rRAYpcQFc43bc8V6IcsZ6M R+sK9wrLVDGCq9QTTXHePa0w7oDnzEiuUmHcvidHZQ96/ElbbLklzxuKteunLDdUxfOnd/QU CBvXCo9+oH5hw+gYZmyKbxurFMISj/54VrE4oslwuXtNGcUnhnX1hqwIfr57kWtiNNRaedFc obDGKyKVBJ+ijlqH63j1b6jsIkRwAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrDIsWRmVeSWpSXmKPExsVy+t/xu7rnsnViDdZuV7fYOGM9q8X1L89Z LeYfOcdq0bfvP6NF/+PXzBbnz29gtzjb9IbdYtPja6wWl3fNYbP43HuE0WLG+X1MFmuP3GW3 WHr9IpPF7cYVbBZvfpxlsmjde4Td4t+1jSwWmx8cY3MQ8lgzbw2jx6ZVnWwem5fUexx8t4fJ o2/LKkaP4ze2M3l83iQXwB6lZ1OUX1qSqpCRX1xiqxRtaGGkZ2hpoWdkYqlnaGwea2VkqqRv Z5OSmpNZllqkb5egl3H79kT2gnO8FScPuDUwzuXuYuTkkBAwkdi4dwZzFyMXh5DAUkaJpZP+ M0MkpCUaT69mgrCFJf5c62KDKPrEKLHq/BGwBJuAucSj7WfAbBEBZYnJ96aDTWIW6GSVWPHk CBtIQljAReLah1vsXYwcHCwCqhJdGzRBwrwCzhKf/36CWiAv0bljNwuIzQlUvuP+MXYQWwio puVVPwtEvaDEyZlPwGxmoPrmrbOZJzAKzEKSmoUktYCRaRWjSGppcW56brGhXnFibnFpXrpe cn7uJkZgTG479nPzDsZLG4MPMQpwMCrx8DqkaMcKsSaWFVfmHmKU4GBWEuG1/QoU4k1JrKxK LcqPLyrNSS0+xGgK9MNEZinR5HxgusgriTc0NTS3sDQ0NzY3NrNQEuftEDgYIySQnliSmp2a WpBaBNPHxMEp1QB03zLVSWWLLLzuy0zx/N6+5XrU7/iZdwRW737eFsroNkFwa+1lE7b1zW5X TrakzZ67aPr8qq2S516n25sHtuw9G/m3WiNg546AsysPvju9c9aLIMWz1RtlJDqvnVkYedJk nsbj1fPYTC5fjehr2qKW+GH7Eeerp7nOzxMznR6y/eU7/bbcqO8CSizFGYmGWsxFxYkAHY07 CN8CAAA= X-CMS-MailID: 20190715120430eucas1p19dddcc93756e6a110d3476229f9428b3 X-Msg-Generator: CA X-RootMTR: 20190715120430eucas1p19dddcc93756e6a110d3476229f9428b3 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20190715120430eucas1p19dddcc93756e6a110d3476229f9428b3 References: <20190715120416.3561-1-k.konieczny@partner.samsung.com> Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add enable regulators to dev_pm_opp_set_regulators() and disable regulators to dev_pm_opp_put_regulators(). This prepares for converting exynos-bus devfreq driver to use dev_pm_opp_set_rate(). Signed-off-by: Kamil Konieczny Reviewed-by: Chanwoo Choi --- Changes in v2: - move regulator enable and disable into loop --- drivers/opp/core.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 0e7703fe733f..069c5cf8827e 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -1570,6 +1570,10 @@ struct opp_table *dev_pm_opp_set_regulators(struct device *dev, goto free_regulators; } + ret = regulator_enable(reg); + if (ret < 0) + goto disable; + opp_table->regulators[i] = reg; } @@ -1582,9 +1586,15 @@ struct opp_table *dev_pm_opp_set_regulators(struct device *dev, return opp_table; +disable: + regulator_put(reg); + --i; + free_regulators: - while (i != 0) - regulator_put(opp_table->regulators[--i]); + for (; i >= 0; --i) { + regulator_disable(opp_table->regulators[i]); + regulator_put(opp_table->regulators[i]); + } kfree(opp_table->regulators); opp_table->regulators = NULL; @@ -1610,8 +1620,10 @@ void dev_pm_opp_put_regulators(struct opp_table *opp_table) /* Make sure there are no concurrent readers while updating opp_table */ WARN_ON(!list_empty(&opp_table->opp_list)); - for (i = opp_table->regulator_count - 1; i >= 0; i--) + for (i = opp_table->regulator_count - 1; i >= 0; i--) { + regulator_disable(opp_table->regulators[i]); regulator_put(opp_table->regulators[i]); + } _free_set_opp_data(opp_table);