From 5150a8f07f6c2431f12ac5a9ba07ff111d34744d Mon Sep 17 00:00:00 2001 From: Uwe Kleine-König Date: Tue, 26 Jan 2021 17:58:32 +0100 Subject: amba: reorder functions MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Put helpers (here: amba_get_enable_pclk and amba_put_disable_pclk) at the top of the file and then define callbacks directly before the structs they are used in; in the same order. Reviewed-by: Ulf Hansson Reviewed-by: Arnd Bergmann Link: https://lore.kernel.org/r/20210126165835.687514-3-u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König --- drivers/amba/bus.c | 77 +++++++++++++++++++++++++++--------------------------- 1 file changed, 39 insertions(+), 38 deletions(-) (limited to 'drivers/amba') diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c index b5f5ca4e3f34..8c4a42df47c6 100644 --- a/drivers/amba/bus.c +++ b/drivers/amba/bus.c @@ -56,31 +56,28 @@ amba_lookup(const struct amba_id *table, struct amba_device *dev) return NULL; } -static int amba_match(struct device *dev, struct device_driver *drv) +static int amba_get_enable_pclk(struct amba_device *pcdev) { - struct amba_device *pcdev = to_amba_device(dev); - struct amba_driver *pcdrv = to_amba_driver(drv); + int ret; - /* When driver_override is set, only bind to the matching driver */ - if (pcdev->driver_override) - return !strcmp(pcdev->driver_override, drv->name); + pcdev->pclk = clk_get(&pcdev->dev, "apb_pclk"); + if (IS_ERR(pcdev->pclk)) + return PTR_ERR(pcdev->pclk); - return amba_lookup(pcdrv->id_table, pcdev) != NULL; + ret = clk_prepare_enable(pcdev->pclk); + if (ret) + clk_put(pcdev->pclk); + + return ret; } -static int amba_uevent(struct device *dev, struct kobj_uevent_env *env) +static void amba_put_disable_pclk(struct amba_device *pcdev) { - struct amba_device *pcdev = to_amba_device(dev); - int retval = 0; - - retval = add_uevent_var(env, "AMBA_ID=%08x", pcdev->periphid); - if (retval) - return retval; - - retval = add_uevent_var(env, "MODALIAS=amba:d%08X", pcdev->periphid); - return retval; + clk_disable_unprepare(pcdev->pclk); + clk_put(pcdev->pclk); } + static ssize_t driver_override_show(struct device *_dev, struct device_attribute *attr, char *buf) { @@ -152,6 +149,31 @@ static struct attribute *amba_dev_attrs[] = { }; ATTRIBUTE_GROUPS(amba_dev); +static int amba_match(struct device *dev, struct device_driver *drv) +{ + struct amba_device *pcdev = to_amba_device(dev); + struct amba_driver *pcdrv = to_amba_driver(drv); + + /* When driver_override is set, only bind to the matching driver */ + if (pcdev->driver_override) + return !strcmp(pcdev->driver_override, drv->name); + + return amba_lookup(pcdrv->id_table, pcdev) != NULL; +} + +static int amba_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + struct amba_device *pcdev = to_amba_device(dev); + int retval = 0; + + retval = add_uevent_var(env, "AMBA_ID=%08x", pcdev->periphid); + if (retval) + return retval; + + retval = add_uevent_var(env, "MODALIAS=amba:d%08X", pcdev->periphid); + return retval; +} + #ifdef CONFIG_PM /* * Hooks to provide runtime PM of the pclk (bus clock). It is safe to @@ -229,27 +251,6 @@ static int __init amba_init(void) postcore_initcall(amba_init); -static int amba_get_enable_pclk(struct amba_device *pcdev) -{ - int ret; - - pcdev->pclk = clk_get(&pcdev->dev, "apb_pclk"); - if (IS_ERR(pcdev->pclk)) - return PTR_ERR(pcdev->pclk); - - ret = clk_prepare_enable(pcdev->pclk); - if (ret) - clk_put(pcdev->pclk); - - return ret; -} - -static void amba_put_disable_pclk(struct amba_device *pcdev) -{ - clk_disable_unprepare(pcdev->pclk); - clk_put(pcdev->pclk); -} - /* * These are the device model conversion veneers; they convert the * device model structures to our more specific structures. -- cgit v1.2.3