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Mon, 16 Dec 2019 10:20:03 +0000 (GMT) From: =?UTF-8?q?Artur=20=C5=9Awigo=C5=84?= To: linux-pm@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: =?UTF-8?q?Artur=20=C5=9Awigo=C5=84?= , cw00.choi@samsung.com, myungjoo.ham@samsung.com, kyungmin.park@samsung.com, kgene@kernel.org, krzk@kernel.org, b.zolnierkie@samsung.com, m.szyprowski@samsung.com, inki.dae@samsung.com, sw0312.kim@samsung.com Subject: [PATCH] devfreq: exynos-bus: Clean up code Date: Mon, 16 Dec 2019 11:19:48 +0100 Message-Id: <20191216101948.526-1-a.swigon@samsung.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA02SfSxVcRjH+91zzr2HdTkum8dL2N2sqeVl2jobNZpx/ZP+aNPYXQ7OsOtt 96D4QyIqI0ZeK2tlsktzXdy4ouZa1sj1HmuGiZvUH15vlpTrUP77/J7n+31+3+e3H4lJOglH MiE5jVUmM4lSoSWufb9jOHctwiT37umzoefq8hHdWt1C0J82jQRdNleK0yWLqxhtMKhF9Mfc 7yJaszhF0OO6J0J6o7gf0dWGXgH9qn9WRH++0yikq8tXhAFWMo3qgVDWVn9b9rBdhWQbGper eISlfyybmJDBKr0uRVnGm0ZFqWvSWxPGeiwHfXMqRBYkUOdBr3+LCpElKaEaETS8bsX4wyaC 7oIRzKySUBsI/tSFHTlmt8cEvOglgpaqOuE/x/iaGplVQioQyirmRWa2o/IR1OSeNjNGVQqg tTvAzLaUL3Qb8vY1JIlT7jCpcjeXxdQFaGpsFPCXuUKT+h3G123gQ80XnB/jCnkdjw+SAqUV Qf1eD8EbgqC4fUjEsy18G2g/ZGcYLC/CeeZgqWuO4M05CDQN/Rjf8AP9wChhDoRRHtCi8+LL gTDzS3uQEygrmP5hw2ewgjJtFcaXxXC/QMKjFHQ1VrwRILdp6nC2DIYfVeL8c8qhbeGeqBS5 1R5brPbYYrX/IzxDmArZs+lcUhzL+SSzNz05JolLT47zjElJ0qD9/zS4N7DeibbGovsQRSLp SXGAYlsuIZgMLjOpDwGJSe3EnW4muUQcy2RmscqUG8r0RJbrQ04kLrUX+z5fkUuoOCaNVbBs Kqs86gpIC8ccFLUcqrJWdsmcqqYvljHWXxeKfup3HYzEVna4TWhwebqw1FSykuHjGZQdkbpX c9kvzCXSOiT0hCO3rOuP+x096S1wHX+qvr4bM3n2yrAif3Urz7iz3D71omp+JJJqDsFsjRUZ Q/Onspil9bsegpk34l7thElh6HD2Z5sdgnXhUpyLZ3zOYEqO+Qu/1w7cSwMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrBIsWRmVeSWpSXmKPExsVy+t/xe7rBUd9jDb4uNbG4P6+V0WLjjPWs Fte/PGe1mHR/AotF/+PXzBbnz29gtzjb9IbdYtPja6wWl3fNYbP43HuE0WLG+X1MFmuP3GW3 uN24gs1ixuSXbA58HptWdbJ5bF5S79G3ZRWjx+dNcgEsUXo2RfmlJakKGfnFJbZK0YYWRnqG lhZ6RiaWeobG5rFWRqZK+nY2Kak5mWWpRfp2CXoZ3y+yF3xUqrjyfAlzA+Mr6S5GTg4JAROJ u98uMXUxcnEICSxllNjf+ZoVIiEh8XH9DShbWOLPtS42iKJPjBJXFm4FS7AJOEpMmvqAHSQh ItDJKNG1+RzYKGaBRUwSDR+fMIFUCQsYS+w+3wxUxcHBIqAqcXWVKkiYV8BcYvWKFUwQG+Ql Vm84wAwRF5Q4OfMJC0g5s4C6xPp5QiBhZqCS5q2zmScw8s9CUjULoWoWkqoFjMyrGEVSS4tz 03OLjfSKE3OLS/PS9ZLzczcxAmNp27GfW3Ywdr0LPsQowMGoxMPrkP0tVog1say4MvcQowQH s5II7w6F77FCvCmJlVWpRfnxRaU5qcWHGE2BPpjILCWanA+M87ySeENTQ3MLS0NzY3NjMwsl cd4OgYMxQgLpiSWp2ampBalFMH1MHJxSDYz75r49H/SsaGvczvwvWgIrLvxQ1/0b0r89IGJ/ SJyfs9ovkTMnrE5Gz/JSvCfySb5NZ7/V7KpdEpm8Z490WcmtTV00c2WAOIcl7y1bM/fnB9Py VokXsL9cI8Rfx9vIwfYjy8Zv2s/v9iVsndtn7bAtcl7aIPio/lUf869H37sK38/b/jPxeo4S S3FGoqEWc1FxIgBq4pRUuwIAAA== X-CMS-MailID: 20191216102003eucas1p280d2bb32bc439a52353536dca87246f0 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20191216102003eucas1p280d2bb32bc439a52353536dca87246f0 X-EPHeader: CA CMS-TYPE: 201P X-CMS-RootMailID: 20191216102003eucas1p280d2bb32bc439a52353536dca87246f0 References: Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org This patch improves code readability by changing the following construct: > if (cond) > goto passive; > foo(); > goto out; > passive: > bar(); > out: into this: > if (cond) > bar(); > else > foo(); as well as eliminating a few more goto statements and fixing header includes. Signed-off-by: Artur Świgoń --- drivers/devfreq/exynos-bus.c | 54 +++++++++++++----------------------- 1 file changed, 19 insertions(+), 35 deletions(-) diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c index 19d9f9f8ced2..7f5917d59072 100644 --- a/drivers/devfreq/exynos-bus.c +++ b/drivers/devfreq/exynos-bus.c @@ -15,11 +15,10 @@ #include #include #include -#include +#include #include #include #include -#include #define DEFAULT_SATURATION_RATIO 40 @@ -301,10 +300,9 @@ static int exynos_bus_profile_init(struct exynos_bus *bus, profile->exit = exynos_bus_exit; ondemand_data = devm_kzalloc(dev, sizeof(*ondemand_data), GFP_KERNEL); - if (!ondemand_data) { - ret = -ENOMEM; - goto err; - } + if (!ondemand_data) + return -ENOMEM; + ondemand_data->upthreshold = 40; ondemand_data->downdifferential = 5; @@ -314,15 +312,14 @@ static int exynos_bus_profile_init(struct exynos_bus *bus, ondemand_data); if (IS_ERR(bus->devfreq)) { dev_err(dev, "failed to add devfreq device\n"); - ret = PTR_ERR(bus->devfreq); - goto err; + return PTR_ERR(bus->devfreq); } /* Register opp_notifier to catch the change of OPP */ ret = devm_devfreq_register_opp_notifier(dev, bus->devfreq); if (ret < 0) { dev_err(dev, "failed to register opp notifier\n"); - goto err; + return ret; } /* @@ -332,17 +329,16 @@ static int exynos_bus_profile_init(struct exynos_bus *bus, ret = exynos_bus_enable_edev(bus); if (ret < 0) { dev_err(dev, "failed to enable devfreq-event devices\n"); - goto err; + return ret; } ret = exynos_bus_set_event(bus); if (ret < 0) { dev_err(dev, "failed to set event to devfreq-event devices\n"); - goto err; + return ret; } -err: - return ret; + return 0; } static int exynos_bus_profile_init_passive(struct exynos_bus *bus, @@ -351,7 +347,6 @@ static int exynos_bus_profile_init_passive(struct exynos_bus *bus, struct device *dev = bus->dev; struct devfreq_passive_data *passive_data; struct devfreq *parent_devfreq; - int ret = 0; /* Initialize the struct profile and governor data for passive device */ profile->target = exynos_bus_target; @@ -359,16 +354,13 @@ static int exynos_bus_profile_init_passive(struct exynos_bus *bus, /* Get the instance of parent devfreq device */ parent_devfreq = devfreq_get_devfreq_by_phandle(dev, 0); - if (IS_ERR(parent_devfreq)) { - ret = -EPROBE_DEFER; - goto err; - } + if (IS_ERR(parent_devfreq)) + return -EPROBE_DEFER; passive_data = devm_kzalloc(dev, sizeof(*passive_data), GFP_KERNEL); - if (!passive_data) { - ret = -ENOMEM; - goto err; - } + if (!passive_data) + return -ENOMEM; + passive_data->parent = parent_devfreq; /* Add devfreq device for exynos bus with passive governor */ @@ -377,12 +369,10 @@ static int exynos_bus_profile_init_passive(struct exynos_bus *bus, if (IS_ERR(bus->devfreq)) { dev_err(dev, "failed to add devfreq dev with passive governor\n"); - ret = PTR_ERR(bus->devfreq); - goto err; + return PTR_ERR(bus->devfreq); } -err: - return ret; + return 0; } static int exynos_bus_probe(struct platform_device *pdev) @@ -427,19 +417,13 @@ static int exynos_bus_probe(struct platform_device *pdev) goto err_reg; if (passive) - goto passive; - - ret = exynos_bus_profile_init(bus, profile); - if (ret < 0) - goto err; + ret = exynos_bus_profile_init_passive(bus, profile); + else + ret = exynos_bus_profile_init(bus, profile); - goto out; -passive: - ret = exynos_bus_profile_init_passive(bus, profile); if (ret < 0) goto err; -out: max_state = bus->devfreq->profile->max_state; min_freq = (bus->devfreq->profile->freq_table[0] / 1000); max_freq = (bus->devfreq->profile->freq_table[max_state - 1] / 1000); -- 2.17.1