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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2013-05-23 13:36:21 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2013-05-23 15:40:22 +0200 |
| commit | c5fa2998624312b176af954f956c6219d52061df (patch) | |
| tree | fda38b2ccc2d1450502516ae0e3fd22c5b30b349 | |
| parent | 28278839116d9e29132a61c2c0c612900c244708 (diff) | |
| download | barebox-c5fa2998624312b176af954f956c6219d52061df.tar.gz barebox-c5fa2998624312b176af954f956c6219d52061df.tar.xz | |
param: Add info function
Some parameters may wish to provide some information about their
meaning or possible values. Provide an info callback for parameters.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | drivers/base/driver.c | 8 | ||||
| -rw-r--r-- | include/param.h | 1 |
2 files changed, 7 insertions, 2 deletions
diff --git a/drivers/base/driver.c b/drivers/base/driver.c index edd49b367f..30a4bc5e58 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -495,8 +495,12 @@ static int do_devinfo(int argc, char *argv[]) printf("%s\n", list_empty(&dev->parameters) ? "no parameters available" : "Parameters:"); - list_for_each_entry(param, &dev->parameters, list) - printf("%16s = %s\n", param->name, dev_get_param(dev, param->name)); + list_for_each_entry(param, &dev->parameters, list) { + printf("%16s = %s", param->name, dev_get_param(dev, param->name)); + if (param->info) + param->info(param); + printf("\n"); + } #ifdef CONFIG_OFDEVICE if (dev->device_node) { printf("\ndevice node: %s\n", dev->device_node->full_name); diff --git a/include/param.h b/include/param.h index 4af2d09c4c..54dea568bb 100644 --- a/include/param.h +++ b/include/param.h @@ -12,6 +12,7 @@ typedef unsigned long IPaddr_t; struct param_d { const char* (*get)(struct device_d *, struct param_d *param); int (*set)(struct device_d *, struct param_d *param, const char *val); + void (*info)(struct param_d *param); unsigned int flags; char *name; char *value; |