diff options
author | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
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committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/drivers/regulator/fixed-helper.c | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/drivers/regulator/fixed-helper.c')
-rw-r--r-- | kernel/drivers/regulator/fixed-helper.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/kernel/drivers/regulator/fixed-helper.c b/kernel/drivers/regulator/fixed-helper.c new file mode 100644 index 000000000..f9d027992 --- /dev/null +++ b/kernel/drivers/regulator/fixed-helper.c @@ -0,0 +1,61 @@ +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/platform_device.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> + +struct fixed_regulator_data { + struct fixed_voltage_config cfg; + struct regulator_init_data init_data; + struct platform_device pdev; +}; + +static void regulator_fixed_release(struct device *dev) +{ + struct fixed_regulator_data *data = container_of(dev, + struct fixed_regulator_data, pdev.dev); + kfree(data->cfg.supply_name); + kfree(data); +} + +/** + * regulator_register_fixed_name - register a no-op fixed regulator + * @id: platform device id + * @name: name to be used for the regulator + * @supplies: consumers for this regulator + * @num_supplies: number of consumers + * @uv: voltage in microvolts + */ +struct platform_device *regulator_register_always_on(int id, const char *name, + struct regulator_consumer_supply *supplies, int num_supplies, int uv) +{ + struct fixed_regulator_data *data; + + data = kzalloc(sizeof(*data), GFP_KERNEL); + if (!data) + return NULL; + + data->cfg.supply_name = kstrdup(name, GFP_KERNEL); + if (!data->cfg.supply_name) { + kfree(data); + return NULL; + } + + data->cfg.microvolts = uv; + data->cfg.gpio = -EINVAL; + data->cfg.enabled_at_boot = 1; + data->cfg.init_data = &data->init_data; + + data->init_data.constraints.always_on = 1; + data->init_data.consumer_supplies = supplies; + data->init_data.num_consumer_supplies = num_supplies; + + data->pdev.name = "reg-fixed-voltage"; + data->pdev.id = id; + data->pdev.dev.platform_data = &data->cfg; + data->pdev.dev.release = regulator_fixed_release; + + platform_device_register(&data->pdev); + + return &data->pdev; +} |