Move and rename alloc_next_id and release_id into atutil.c So that they could be shared by atmodem and hfpmodem drivers. --- drivers/atmodem/atutil.c | 20 ++++++++++++++++++++ drivers/atmodem/atutil.h | 2 ++ drivers/atmodem/voicecall.c | 24 ++---------------------- 3 files changed, 24 insertions(+), 22 deletions(-) diff --git a/drivers/atmodem/atutil.c b/drivers/atmodem/atutil.c index 465d258..847a4ee 100644 --- a/drivers/atmodem/atutil.c +++ b/drivers/atmodem/atutil.c @@ -82,3 +82,23 @@ gint at_util_call_compare(gconstpointer a, gconstpointer b) return 0; } +unsigned int at_util_alloc_next_id(unsigned int *id_list) +{ + unsigned int i; + + for (i = 1; i < sizeof(unsigned int) * 8; i++) { + if (*id_list & (0x1 << i)) + continue; + + *id_list |= (0x1 << i); + return i; + } + + return 0; +} + +inline void at_util_release_id(unsigned int *id_list, unsigned int id) +{ + *id_list &= ~(0x1 << id); +}