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author | Herve Codina <Herve.CODINA@celad.com> | 2014-06-12 11:37:37 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-06-13 06:27:34 +0200 |
commit | f2e86a2964f5454869a0d49069eb36fa25b09e94 (patch) | |
tree | ea701624672832e76508e17c84a64aded6b8cb8b | |
parent | aca00bb7196355a30b091253ea7ee3ed698ee082 (diff) | |
download | barebox-f2e86a2964f5454869a0d49069eb36fa25b09e94.tar.gz |
param: Add support for long long read only dev param
Signed-off-by: Herve Codina <Herve.CODINA@celad.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
-rw-r--r-- | include/param.h | 9 | ||||
-rw-r--r-- | lib/parameter.c | 26 |
2 files changed, 35 insertions, 0 deletions
diff --git a/include/param.h b/include/param.h index eac3372f34..24827c5e78 100644 --- a/include/param.h +++ b/include/param.h @@ -49,6 +49,9 @@ struct param_d *dev_add_param_enum(struct device_d *dev, const char *name, struct param_d *dev_add_param_int_ro(struct device_d *dev, const char *name, int value, const char *format); +struct param_d *dev_add_param_llint_ro(struct device_d *dev, const char *name, + long long value, const char *format); + struct param_d *dev_add_param_ip(struct device_d *dev, const char *name, int (*set)(struct param_d *p, void *priv), int (*get)(struct param_d *p, void *priv), @@ -123,6 +126,12 @@ static inline struct param_d *dev_add_param_int_ro(struct device_d *dev, const c return NULL; } +static inline struct param_d *dev_add_param_llint_ro(struct device_d *dev, const char *name, + long long value, const char *format) +{ + return NULL; +} + static inline struct param_d *dev_add_param_ip(struct device_d *dev, const char *name, int (*set)(struct param_d *p, void *priv), int (*get)(struct param_d *p, void *priv), diff --git a/lib/parameter.c b/lib/parameter.c index b1f9aa3a49..13062bc667 100644 --- a/lib/parameter.c +++ b/lib/parameter.c @@ -468,6 +468,32 @@ struct param_d *dev_add_param_int_ro(struct device_d *dev, const char *name, return &piro->param; } +/** + * dev_add_param_llint_ro - add a read only long long parameter to a device + * @param dev The device + * @param name The name of the parameter + * @param value The value of the parameter + * @param format the printf format used to print the value + */ +struct param_d *dev_add_param_llint_ro(struct device_d *dev, const char *name, + long long value, const char *format) +{ + struct param_int *piro; + int ret; + + piro = xzalloc(sizeof(*piro)); + + ret = __dev_add_param(&piro->param, dev, name, NULL, NULL, 0); + if (ret) { + free(piro); + return ERR_PTR(ret); + } + + piro->param.value = asprintf(format, value); + + return &piro->param; +} + #ifdef CONFIG_NET struct param_ip { struct param_d param; |